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authormoneromooo-monero <moneromooo-monero@users.noreply.github.com>2016-12-27 10:37:46 +0000
committermoneromooo-monero <moneromooo-monero@users.noreply.github.com>2017-01-16 00:17:40 +0000
commitc50bbbfedd86e32161db7c2a41e9e38b9015ba51 (patch)
tree4f5528c75709a98eba16e859df6b16779577361a /external
parentMerge pull request #1578 (diff)
downloadmonero-c50bbbfedd86e32161db7c2a41e9e38b9015ba51.tar.xz
easylogging++: import upstream
Diffstat (limited to 'external')
-rw-r--r--external/easylogging++/easylogging++.h6695
1 files changed, 6695 insertions, 0 deletions
diff --git a/external/easylogging++/easylogging++.h b/external/easylogging++/easylogging++.h
new file mode 100644
index 000000000..33f26cebb
--- /dev/null
+++ b/external/easylogging++/easylogging++.h
@@ -0,0 +1,6695 @@
+//
+// Bismillah ar-Rahmaan ar-Raheem
+//
+// Easylogging++ v9.84
+// Single-header only, cross-platform logging library for C++ applications
+//
+// Copyright (c) 2016 muflihun.com
+//
+// This library is released under the MIT Licence.
+// http://easylogging.muflihun.com/licence.php
+//
+// easylogging@muflihun.com
+//
+// https://github.com/easylogging/easyloggingpp
+// http://easylogging.muflihun.com
+// http://muflihun.com
+//
+#ifndef EASYLOGGINGPP_H
+#define EASYLOGGINGPP_H
+// Compilers and C++0x/C++11 Evaluation
+#if (defined(__GNUC__))
+# define ELPP_COMPILER_GCC 1
+#else
+# define ELPP_COMPILER_GCC 0
+#endif
+#if ELPP_COMPILER_GCC
+# define ELPP_GCC_VERSION (__GNUC__ * 10000 \
++ __GNUC_MINOR__ * 100 \
++ __GNUC_PATCHLEVEL__)
+# if defined(__GXX_EXPERIMENTAL_CXX0X__)
+# define ELPP_CXX0X 1
+# elif(ELPP_GCC_VERSION >= 40801)
+# define ELPP_CXX11 1
+# endif
+#endif
+// Visual C++
+#if defined(_MSC_VER)
+# define ELPP_COMPILER_MSVC 1
+#else
+# define ELPP_COMPILER_MSVC 0
+#endif
+#define ELPP_CRT_DBG_WARNINGS ELPP_COMPILER_MSVC
+#if ELPP_COMPILER_MSVC
+# if (_MSC_VER == 1600)
+# define ELPP_CXX0X 1
+# elif(_MSC_VER >= 1700)
+# define ELPP_CXX11 1
+# endif
+#endif
+// Clang++
+#if (defined(__clang__) && (__clang__ == 1))
+# define ELPP_COMPILER_CLANG 1
+#else
+# define ELPP_COMPILER_CLANG 0
+#endif
+#if ELPP_COMPILER_CLANG
+# define ELPP_CLANG_VERSION (__clang_major__ * 10000 \
++ __clang_minor__ * 100 \
++ __clang_patchlevel__)
+# if (ELPP_CLANG_VERSION >= 30300)
+# define ELPP_CXX11 1
+# endif // (ELPP_CLANG_VERSION >= 30300)
+#endif
+#if (defined(__MINGW32__) || defined(__MINGW64__))
+# define ELPP_MINGW 1
+#else
+# define ELPP_MINGW 0
+#endif
+#if (defined(__CYGWIN__) && (__CYGWIN__ == 1))
+# define ELPP_CYGWIN 1
+#else
+# define ELPP_CYGWIN 0
+#endif
+#if (defined(__INTEL_COMPILER))
+# define ELPP_COMPILER_INTEL 1
+#else
+# define ELPP_COMPILER_INTEL 0
+#endif
+// Operating System Evaluation
+// Windows
+#if (defined(_WIN32) || defined(_WIN64))
+# define ELPP_OS_WINDOWS 1
+#else
+# define ELPP_OS_WINDOWS 0
+#endif
+// Linux
+#if (defined(__linux) || defined(__linux__))
+# define ELPP_OS_LINUX 1
+#else
+# define ELPP_OS_LINUX 0
+#endif
+#if (defined(__APPLE__))
+# define ELPP_OS_MAC 1
+#else
+# define ELPP_OS_MAC 0
+#endif
+#if (defined(__FreeBSD__))
+# define ELPP_OS_FREEBSD 1
+#else
+# define ELPP_OS_FREEBSD 0
+#endif
+#if (defined(__sun))
+# define ELPP_OS_SOLARIS 1
+#else
+# define ELPP_OS_SOLARIS 0
+#endif
+// Unix
+#if ((ELPP_OS_LINUX || ELPP_OS_MAC || ELPP_OS_FREEBSD || ELPP_OS_SOLARIS) && (!ELPP_OS_WINDOWS))
+# define ELPP_OS_UNIX 1
+#else
+# define ELPP_OS_UNIX 0
+#endif
+#if (defined(__ANDROID__))
+# define ELPP_OS_ANDROID 1
+#else
+# define ELPP_OS_ANDROID 0
+#endif
+// Evaluating Cygwin as *nix OS
+#if !ELPP_OS_UNIX && !ELPP_OS_WINDOWS && ELPP_CYGWIN
+# undef ELPP_OS_UNIX
+# undef ELPP_OS_LINUX
+# define ELPP_OS_UNIX 1
+# define ELPP_OS_LINUX 1
+#endif // !ELPP_OS_UNIX && !ELPP_OS_WINDOWS && ELPP_CYGWIN
+#if !defined(ELPP_INTERNAL_DEBUGGING_OUT_INFO)
+# define ELPP_INTERNAL_DEBUGGING_OUT_INFO std::cout
+#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT)
+#if !defined(ELPP_INTERNAL_DEBUGGING_OUT_ERROR)
+# define ELPP_INTERNAL_DEBUGGING_OUT_ERROR std::cerr
+#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT)
+#if !defined(ELPP_INTERNAL_DEBUGGING_ENDL)
+# define ELPP_INTERNAL_DEBUGGING_ENDL std::endl
+#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT)
+#if !defined(ELPP_INTERNAL_DEBUGGING_MSG)
+# define ELPP_INTERNAL_DEBUGGING_MSG(msg) msg
+#endif // !defined(ELPP_INTERNAL_DEBUGGING_OUT)
+// Internal Assertions and errors
+#if !defined(ELPP_DISABLE_ASSERT)
+# if (defined(ELPP_DEBUG_ASSERT_FAILURE))
+# define ELPP_ASSERT(expr, msg) if (!(expr)) { \
+std::stringstream internalInfoStream; internalInfoStream << msg; \
+ELPP_INTERNAL_DEBUGGING_OUT_ERROR \
+<< "EASYLOGGING++ ASSERTION FAILED (LINE: " << __LINE__ << ") [" #expr << "] WITH MESSAGE \"" \
+<< ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << "\"" << ELPP_INTERNAL_DEBUGGING_ENDL; base::utils::abort(1, \
+"ELPP Assertion failure, please define ELPP_DEBUG_ASSERT_FAILURE"); }
+# else
+# define ELPP_ASSERT(expr, msg) if (!(expr)) { \
+std::stringstream internalInfoStream; internalInfoStream << msg; \
+ELPP_INTERNAL_DEBUGGING_OUT_ERROR\
+<< "ASSERTION FAILURE FROM EASYLOGGING++ (LINE: " \
+<< __LINE__ << ") [" #expr << "] WITH MESSAGE \"" << ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << "\"" \
+<< ELPP_INTERNAL_DEBUGGING_ENDL; }
+# endif // (defined(ELPP_DEBUG_ASSERT_FAILURE))
+#else
+# define ELPP_ASSERT(x, y)
+#endif //(!defined(ELPP_DISABLE_ASSERT)
+#if ELPP_COMPILER_MSVC
+# define ELPP_INTERNAL_DEBUGGING_WRITE_PERROR \
+{ char buff[256]; strerror_s(buff, 256, errno); \
+ELPP_INTERNAL_DEBUGGING_OUT_ERROR << ": " << buff << " [" << errno << "]";} (void)0
+#else
+# define ELPP_INTERNAL_DEBUGGING_WRITE_PERROR \
+ELPP_INTERNAL_DEBUGGING_OUT_ERROR << ": " << strerror(errno) << " [" << errno << "]"; (void)0
+#endif // ELPP_COMPILER_MSVC
+#if defined(ELPP_DEBUG_ERRORS)
+# if !defined(ELPP_INTERNAL_ERROR)
+# define ELPP_INTERNAL_ERROR(msg, pe) { \
+std::stringstream internalInfoStream; internalInfoStream << "<ERROR> " << msg; \
+ELPP_INTERNAL_DEBUGGING_OUT_ERROR \
+<< "ERROR FROM EASYLOGGING++ (LINE: " << __LINE__ << ") " \
+<< ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) << ELPP_INTERNAL_DEBUGGING_ENDL; \
+if (pe) { ELPP_INTERNAL_DEBUGGING_OUT_ERROR << " "; ELPP_INTERNAL_DEBUGGING_WRITE_PERROR; }} (void)0
+# endif
+#else
+# undef ELPP_INTERNAL_INFO
+# define ELPP_INTERNAL_ERROR(msg, pe)
+#endif // defined(ELPP_DEBUG_ERRORS)
+#if (defined(ELPP_DEBUG_INFO))
+# if !(defined(ELPP_INTERNAL_INFO_LEVEL))
+# define ELPP_INTERNAL_INFO_LEVEL 9
+# endif // !(defined(ELPP_INTERNAL_INFO_LEVEL))
+# if !defined(ELPP_INTERNAL_INFO)
+# define ELPP_INTERNAL_INFO(lvl, msg) { if (lvl <= ELPP_INTERNAL_INFO_LEVEL) { \
+std::stringstream internalInfoStream; internalInfoStream << "<INFO> " << msg; \
+ELPP_INTERNAL_DEBUGGING_OUT_INFO << ELPP_INTERNAL_DEBUGGING_MSG(internalInfoStream.str()) \
+<< ELPP_INTERNAL_DEBUGGING_ENDL; }}
+# endif
+#else
+# undef ELPP_INTERNAL_INFO
+# define ELPP_INTERNAL_INFO(lvl, msg)
+#endif // (defined(ELPP_DEBUG_INFO))
+#if defined(ELPP_STACKTRACE_ON_CRASH)
+# if (ELPP_COMPILER_GCC && !ELPP_MINGW)
+# define ELPP_STACKTRACE 1
+# else
+# if ELPP_COMPILER_MSVC
+# pragma message("Stack trace not available for this compiler")
+# else
+# warning "Stack trace not available for this compiler";
+# endif // ELPP_COMPILER_MSVC
+# endif // ELPP_COMPILER_GCC
+#endif // (defined(ELPP_STACKTRACE_ON_CRASH))
+// Miscellaneous macros
+#define ELPP_UNUSED(x) (void)x
+#if ELPP_OS_UNIX
+// Log file permissions for unix-based systems
+# define ELPP_LOG_PERMS S_IRUSR | S_IWUSR | S_IXUSR | S_IWGRP | S_IRGRP | S_IXGRP | S_IWOTH | S_IXOTH
+#endif // ELPP_OS_UNIX
+#if defined(ELPP_AS_DLL) && ELPP_COMPILER_MSVC
+# if defined(ELPP_EXPORT_SYMBOLS)
+# define ELPP_EXPORT __declspec(dllexport)
+# else
+# define ELPP_EXPORT __declspec(dllimport)
+# endif // defined(ELPP_EXPORT_SYMBOLS)
+#else
+# define ELPP_EXPORT
+#endif // defined(ELPP_AS_DLL) && ELPP_COMPILER_MSVC
+// Some special functions that are VC++ specific
+#undef STRTOK
+#undef STRERROR
+#undef STRCAT
+#undef STRCPY
+#if ELPP_CRT_DBG_WARNINGS
+# define STRTOK(a, b, c) strtok_s(a, b, c)
+# define STRERROR(a, b, c) strerror_s(a, b, c)
+# define STRCAT(a, b, len) strcat_s(a, len, b)
+# define STRCPY(a, b, len) strcpy_s(a, len, b)
+#else
+# define STRTOK(a, b, c) strtok(a, b)
+# define STRERROR(a, b, c) strerror(c)
+# define STRCAT(a, b, len) strcat(a, b)
+# define STRCPY(a, b, len) strcpy(a, b)
+#endif
+// Compiler specific support evaluations
+#if ((!ELPP_MINGW && !ELPP_COMPILER_CLANG) || defined(ELPP_FORCE_USE_STD_THREAD))
+# define ELPP_USE_STD_THREADING 1
+#else
+# define ELPP_USE_STD_THREADING 0
+#endif
+#undef ELPP_FINAL
+#if ELPP_COMPILER_INTEL || (ELPP_GCC_VERSION < 40702)
+# define ELPP_FINAL
+#else
+# define ELPP_FINAL final
+#endif // ELPP_COMPILER_INTEL || (ELPP_GCC_VERSION < 40702)
+#if defined(ELPP_EXPERIMENTAL_ASYNC)
+# define ELPP_ASYNC_LOGGING 1
+#else
+# define ELPP_ASYNC_LOGGING 0
+#endif // defined(ELPP_EXPERIMENTAL_ASYNC)
+#if defined(ELPP_THREAD_SAFE) || ELPP_ASYNC_LOGGING
+# define ELPP_THREADING_ENABLED 1
+#else
+# define ELPP_THREADING_ENABLED 0
+#endif // defined(ELPP_THREAD_SAFE) || ELPP_ASYNC_LOGGING
+// Function macro ELPP_FUNC
+#undef ELPP_FUNC
+#if ELPP_COMPILER_MSVC // Visual C++
+# define ELPP_FUNC __FUNCSIG__
+#elif ELPP_COMPILER_GCC // GCC
+# define ELPP_FUNC __PRETTY_FUNCTION__
+#elif ELPP_COMPILER_INTEL // Intel C++
+# define ELPP_FUNC __PRETTY_FUNCTION__
+#elif ELPP_COMPILER_CLANG // Clang++
+# define ELPP_FUNC __PRETTY_FUNCTION__
+#else
+# if defined(__func__)
+# define ELPP_FUNC __func__
+# else
+# define ELPP_FUNC ""
+# endif // defined(__func__)
+#endif // defined(_MSC_VER)
+#undef ELPP_VARIADIC_TEMPLATES_SUPPORTED
+// Keep following line commented until features are fixed
+#define ELPP_VARIADIC_TEMPLATES_SUPPORTED \
+(ELPP_COMPILER_GCC || ELPP_COMPILER_CLANG || ELPP_COMPILER_INTEL || (ELPP_COMPILER_MSVC && _MSC_VER >= 1800))
+// Logging Enable/Disable macros
+#define ELPP_LOGGING_ENABLED (!defined(ELPP_DISABLE_LOGS))
+#if (!defined(ELPP_DISABLE_DEBUG_LOGS) && (ELPP_LOGGING_ENABLED) && ((defined(_DEBUG)) || (!defined(NDEBUG))))
+# define ELPP_DEBUG_LOG 1
+#else
+# define ELPP_DEBUG_LOG 0
+#endif // (!defined(ELPP_DISABLE_DEBUG_LOGS) && (ELPP_LOGGING_ENABLED) && ((defined(_DEBUG)) || (!defined(NDEBUG))))
+#if (!defined(ELPP_DISABLE_INFO_LOGS) && (ELPP_LOGGING_ENABLED))
+# define ELPP_INFO_LOG 1
+#else
+# define ELPP_INFO_LOG 0
+#endif // (!defined(ELPP_DISABLE_INFO_LOGS) && (ELPP_LOGGING_ENABLED))
+#if (!defined(ELPP_DISABLE_WARNING_LOGS) && (ELPP_LOGGING_ENABLED))
+# define ELPP_WARNING_LOG 1
+#else
+# define ELPP_WARNING_LOG 0
+#endif // (!defined(ELPP_DISABLE_WARNING_LOGS) && (ELPP_LOGGING_ENABLED))
+#if (!defined(ELPP_DISABLE_ERROR_LOGS) && (ELPP_LOGGING_ENABLED))
+# define ELPP_ERROR_LOG 1
+#else
+# define ELPP_ERROR_LOG 0
+#endif // (!defined(ELPP_DISABLE_ERROR_LOGS) && (ELPP_LOGGING_ENABLED))
+#if (!defined(ELPP_DISABLE_FATAL_LOGS) && (ELPP_LOGGING_ENABLED))
+# define ELPP_FATAL_LOG 1
+#else
+# define ELPP_FATAL_LOG 0
+#endif // (!defined(ELPP_DISABLE_FATAL_LOGS) && (ELPP_LOGGING_ENABLED))
+#if (!defined(ELPP_DISABLE_TRACE_LOGS) && (ELPP_LOGGING_ENABLED))
+# define ELPP_TRACE_LOG 1
+#else
+# define ELPP_TRACE_LOG 0
+#endif // (!defined(ELPP_DISABLE_TRACE_LOGS) && (ELPP_LOGGING_ENABLED))
+#if (!defined(ELPP_DISABLE_VERBOSE_LOGS) && (ELPP_LOGGING_ENABLED))
+# define ELPP_VERBOSE_LOG 1
+#else
+# define ELPP_VERBOSE_LOG 0
+#endif // (!defined(ELPP_DISABLE_VERBOSE_LOGS) && (ELPP_LOGGING_ENABLED))
+#if (!(ELPP_CXX0X || ELPP_CXX11))
+# error "Easylogging++ 9.0+ is only compatible with C++0x (or higher) compliant compiler"
+#endif // (!(ELPP_CXX0X || ELPP_CXX11))
+// Headers
+#if defined(ELPP_SYSLOG)
+# include <syslog.h>
+#endif // defined(ELPP_SYSLOG)
+#include <ctime>
+#include <cstring>
+#include <cstdlib>
+#include <cctype>
+#include <cwchar>
+#include <csignal>
+#include <cerrno>
+#include <cstdarg>
+#if defined(ELPP_UNICODE)
+# include <locale>
+# if ELPP_OS_WINDOWS
+# include <codecvt>
+# endif // ELPP_OS_WINDOWS
+#endif // defined(ELPP_UNICODE)
+#if ELPP_STACKTRACE
+# include <cxxabi.h>
+# include <execinfo.h>
+#endif // ELPP_STACKTRACE
+#if ELPP_OS_ANDROID
+# include <sys/system_properties.h>
+#endif // ELPP_OS_ANDROID
+#if ELPP_OS_UNIX
+# include <sys/stat.h>
+# include <sys/time.h>
+#elif ELPP_OS_WINDOWS
+# include <direct.h>
+# include <windows.h>
+# if defined(WIN32_LEAN_AND_MEAN)
+# if defined(ELPP_WINSOCK2)
+# include <winsock2.h>
+# else
+# include <winsock.h>
+# endif // defined(ELPP_WINSOCK2)
+# endif // defined(WIN32_LEAN_AND_MEAN)
+#endif // ELPP_OS_UNIX
+#include <string>
+#include <vector>
+#include <map>
+#include <utility>
+#include <functional>
+#include <algorithm>
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include <memory>
+#include <type_traits>
+#if ELPP_THREADING_ENABLED
+# if ELPP_USE_STD_THREADING
+# include <mutex>
+# include <thread>
+# else
+# if ELPP_OS_UNIX
+# include <pthread.h>
+# endif // ELPP_OS_UNIX
+# endif // ELPP_USE_STD_THREADING
+#endif // ELPP_THREADING_ENABLED
+#if ELPP_ASYNC_LOGGING
+# if defined(ELPP_NO_SLEEP_FOR)
+# include <unistd.h>
+# endif // defined(ELPP_NO_SLEEP_FOR)
+# include <thread>
+# include <queue>
+# include <condition_variable>
+#endif // ELPP_ASYNC_LOGGING
+#if defined(ELPP_STL_LOGGING)
+// For logging STL based templates
+# include <list>
+# include <queue>
+# include <deque>
+# include <set>
+# include <bitset>
+# include <stack>
+# if defined(ELPP_LOG_STD_ARRAY)
+# include <array>
+# endif // defined(ELPP_LOG_STD_ARRAY)
+# if defined(ELPP_LOG_UNORDERED_MAP)
+# include <unordered_map>
+# endif // defined(ELPP_LOG_UNORDERED_MAP)
+# if defined(ELPP_LOG_UNORDERED_SET)
+# include <unordered_set>
+# endif // defined(ELPP_UNORDERED_SET)
+#endif // defined(ELPP_STL_LOGGING)
+#if defined(ELPP_QT_LOGGING)
+// For logging Qt based classes & templates
+# include <QString>
+# include <QByteArray>
+# include <QVector>
+# include <QList>
+# include <QPair>
+# include <QMap>
+# include <QQueue>
+# include <QSet>
+# include <QLinkedList>
+# include <QHash>
+# include <QMultiHash>
+# include <QStack>
+#endif // defined(ELPP_QT_LOGGING)
+#if defined(ELPP_BOOST_LOGGING)
+// For logging boost based classes & templates
+# include <boost/container/vector.hpp>
+# include <boost/container/stable_vector.hpp>
+# include <boost/container/list.hpp>
+# include <boost/container/deque.hpp>
+# include <boost/container/map.hpp>
+# include <boost/container/flat_map.hpp>
+# include <boost/container/set.hpp>
+# include <boost/container/flat_set.hpp>
+#endif // defined(ELPP_BOOST_LOGGING)
+#if defined(ELPP_WXWIDGETS_LOGGING)
+// For logging wxWidgets based classes & templates
+# include <wx/vector.h>
+#endif // defined(ELPP_WXWIDGETS_LOGGING)
+// Forward declarations
+namespace el {
+ class Logger;
+ class LogMessage;
+ class PerformanceTrackingData;
+ class Loggers;
+ class Helpers;
+ template <typename T> class Callback;
+ class LogDispatchCallback;
+ class PerformanceTrackingCallback;
+ class LogDispatchData;
+ namespace base {
+ class Storage;
+ class RegisteredLoggers;
+ class PerformanceTracker;
+ class MessageBuilder;
+ class Writer;
+ class PErrorWriter;
+ class LogDispatcher;
+ class DefaultLogBuilder;
+ class DefaultLogDispatchCallback;
+#if ELPP_ASYNC_LOGGING
+ class AsyncLogDispatchCallback;
+ class AsyncDispatchWorker;
+#endif // ELPP_ASYNC_LOGGING
+ class DefaultPerformanceTrackingCallback;
+ } // namespace base
+} // namespace el
+/// @brief Easylogging++ entry namespace
+namespace el {
+ /// @brief Namespace containing base/internal functionality used by Easylogging++
+ namespace base {
+ /// @brief Data types used by Easylogging++
+ namespace type {
+#undef ELPP_LITERAL
+#undef ELPP_STRLEN
+#undef ELPP_COUT
+#if defined(ELPP_UNICODE)
+# define ELPP_LITERAL(txt) L##txt
+# define ELPP_STRLEN wcslen
+# if defined ELPP_CUSTOM_COUT
+# define ELPP_COUT ELPP_CUSTOM_COUT
+# else
+# define ELPP_COUT std::wcout
+# endif // defined ELPP_CUSTOM_COUT
+ typedef wchar_t char_t;
+ typedef std::wstring string_t;
+ typedef std::wstringstream stringstream_t;
+ typedef std::wfstream fstream_t;
+ typedef std::wostream ostream_t;
+#else
+# define ELPP_LITERAL(txt) txt
+# define ELPP_STRLEN strlen
+# if defined ELPP_CUSTOM_COUT
+# define ELPP_COUT ELPP_CUSTOM_COUT
+# else
+# define ELPP_COUT std::cout
+# endif // defined ELPP_CUSTOM_COUT
+ typedef char char_t;
+ typedef std::string string_t;
+ typedef std::stringstream stringstream_t;
+ typedef std::fstream fstream_t;
+ typedef std::ostream ostream_t;
+#endif // defined(ELPP_UNICODE)
+#if defined(ELPP_CUSTOM_COUT_LINE)
+# define ELPP_COUT_LINE(logLine) ELPP_CUSTOM_COUT_LINE(logLine)
+#else
+# define ELPP_COUT_LINE(logLine) logLine << std::flush
+#endif // defined(ELPP_CUSTOM_COUT_LINE)
+ typedef unsigned short EnumType;
+ typedef std::shared_ptr<base::Storage> StoragePointer;
+ typedef int VerboseLevel;
+ typedef std::shared_ptr<LogDispatchCallback> LogDispatchCallbackPtr;
+ typedef std::shared_ptr<PerformanceTrackingCallback> PerformanceTrackingCallbackPtr;
+ } // namespace type
+ /// @brief Internal helper class that prevent copy constructor for class
+ ///
+ /// @detail When using this class simply inherit it privately
+ class NoCopy {
+ protected:
+ NoCopy(void) {}
+ private:
+ NoCopy(const NoCopy&);
+ NoCopy& operator=(const NoCopy&);
+ };
+ /// @brief Internal helper class that makes all default constructors private.
+ ///
+ /// @detail This prevents initializing class making it static unless an explicit constructor is declared.
+ /// When using this class simply inherit it privately
+ class StaticClass {
+ private:
+ StaticClass(void);
+ StaticClass(const StaticClass&);
+ StaticClass& operator=(const StaticClass&);
+ };
+ } // namespace base
+ /// @brief Represents enumeration for severity level used to determine level of logging
+ ///
+ /// @detail With Easylogging++, developers may disable or enable any level regardless of
+ /// what the severity is. Or they can choose to log using hierarchical logging flag
+ enum class Level : base::type::EnumType {
+ /// @brief Generic level that represents all the levels. Useful when setting global configuration for all levels
+ Global = 1,
+ /// @brief Information that can be useful to back-trace certain events - mostly useful than debug logs.
+ Trace = 2,
+ /// @brief Informational events most useful for developers to debug application
+ Debug = 4,
+ /// @brief Severe error information that will presumably abort application
+ Fatal = 8,
+ /// @brief Information representing errors in application but application will keep running
+ Error = 16,
+ /// @brief Useful when application has potentially harmful situtaions
+ Warning = 32,
+ /// @brief Information that can be highly useful and vary with verbose logging level.
+ Verbose = 64,
+ /// @brief Mainly useful to represent current progress of application
+ Info = 128,
+ /// @brief Represents unknown level
+ Unknown = 1010
+ };
+ /// @brief Static class that contains helper functions for el::Level
+ class LevelHelper : base::StaticClass {
+ public:
+ /// @brief Represents minimum valid level. Useful when iterating through enum.
+ static const base::type::EnumType kMinValid = static_cast<base::type::EnumType>(Level::Trace);
+ /// @brief Represents maximum valid level. This is used internally and you should not need it.
+ static const base::type::EnumType kMaxValid = static_cast<base::type::EnumType>(Level::Info);
+ /// @brief Casts level to int, useful for iterating through enum.
+ static base::type::EnumType castToInt(Level level) {
+ return static_cast<base::type::EnumType>(level);
+ }
+ /// @brief Casts int(ushort) to level, useful for iterating through enum.
+ static Level castFromInt(base::type::EnumType l) {
+ return static_cast<Level>(l);
+ }
+ /// @brief Converts level to associated const char*
+ /// @return Upper case string based level.
+ static const char* convertToString(Level level) {
+ // Do not use switch over strongly typed enums because Intel C++ compilers dont support them yet.
+ if (level == Level::Global) return "GLOBAL";
+ if (level == Level::Debug) return "DEBUG";
+ if (level == Level::Info) return "INFO";
+ if (level == Level::Warning) return "WARNING";
+ if (level == Level::Error) return "ERROR";
+ if (level == Level::Fatal) return "FATAL";
+ if (level == Level::Verbose) return "VERBOSE";
+ if (level == Level::Trace) return "TRACE";
+ return "UNKNOWN";
+ }
+ /// @brief Converts from levelStr to Level
+ /// @param levelStr Upper case string based level.
+ /// Lower case is also valid but providing upper case is recommended.
+ static Level convertFromString(const char* levelStr) {
+ if ((strcmp(levelStr, "GLOBAL") == 0) || (strcmp(levelStr, "global") == 0))
+ return Level::Global;
+ if ((strcmp(levelStr, "DEBUG") == 0) || (strcmp(levelStr, "debug") == 0))
+ return Level::Debug;
+ if ((strcmp(levelStr, "INFO") == 0) || (strcmp(levelStr, "info") == 0))
+ return Level::Info;
+ if ((strcmp(levelStr, "WARNING") == 0) || (strcmp(levelStr, "warning") == 0))
+ return Level::Warning;
+ if ((strcmp(levelStr, "ERROR") == 0) || (strcmp(levelStr, "error") == 0))
+ return Level::Error;
+ if ((strcmp(levelStr, "FATAL") == 0) || (strcmp(levelStr, "fatal") == 0))
+ return Level::Fatal;
+ if ((strcmp(levelStr, "VERBOSE") == 0) || (strcmp(levelStr, "verbose") == 0))
+ return Level::Verbose;
+ if ((strcmp(levelStr, "TRACE") == 0) || (strcmp(levelStr, "trace") == 0))
+ return Level::Trace;
+ return Level::Unknown;
+ }
+ /// @brief Applies specified function to each level starting from startIndex
+ /// @param startIndex initial value to start the iteration from. This is passed as pointer and
+ /// is left-shifted so this can be used inside function (fn) to represent current level.
+ /// @param fn function to apply with each level. This bool represent whether or not to stop iterating through levels.
+ static inline void forEachLevel(base::type::EnumType* startIndex, const std::function<bool(void)>& fn) {
+ base::type::EnumType lIndexMax = LevelHelper::kMaxValid;
+ do {
+ if (fn()) {
+ break;
+ }
+ *startIndex = static_cast<base::type::EnumType>(*startIndex << 1);
+ } while (*startIndex <= lIndexMax);
+ }
+ };
+ /// @brief Represents enumeration of ConfigurationType used to configure or access certain aspect
+ /// of logging
+ enum class ConfigurationType : base::type::EnumType {
+ /// @brief Determines whether or not corresponding level and logger of logging is enabled
+ /// You may disable all logs by using el::Level::Global
+ Enabled = 1,
+ /// @brief Whether or not to write corresponding log to log file
+ ToFile = 2,
+ /// @brief Whether or not to write corresponding level and logger log to standard output.
+ /// By standard output meaning termnal, command prompt etc
+ ToStandardOutput = 4,
+ /// @brief Determines format of logging corresponding level and logger.
+ Format = 8,
+ /// @brief Determines log file (full path) to write logs to for correponding level and logger
+ Filename = 16,
+ /// @brief Specifies milliseconds width. Width can be within range (1-6)
+ MillisecondsWidth = 32,
+ /// @brief Determines whether or not performance tracking is enabled.
+ ///
+ /// @detail This does not depend on logger or level. Performance tracking always uses 'performance' logger
+ PerformanceTracking = 64,
+ /// @brief Specifies log file max size.
+ ///
+ /// @detail If file size of corresponding log file (for corresponding level) is >= specified size, log file will
+ /// be truncated and re-initiated.
+ MaxLogFileSize = 128,
+ /// @brief Specifies number of log entries to hold until we flush pending log data
+ LogFlushThreshold = 256,
+ /// @brief Represents unknown configuration
+ Unknown = 1010
+ };
+ /// @brief Static class that contains helper functions for el::ConfigurationType
+ class ConfigurationTypeHelper : base::StaticClass {
+ public:
+ /// @brief Represents minimum valid configuration type. Useful when iterating through enum.
+ static const base::type::EnumType kMinValid = static_cast<base::type::EnumType>(ConfigurationType::Enabled);
+ /// @brief Represents maximum valid configuration type. This is used internally and you should not need it.
+ static const base::type::EnumType kMaxValid = static_cast<base::type::EnumType>(ConfigurationType::MaxLogFileSize);
+ /// @brief Casts configuration type to int, useful for iterating through enum.
+ static base::type::EnumType castToInt(ConfigurationType configurationType) {
+ return static_cast<base::type::EnumType>(configurationType);
+ }
+ /// @brief Casts int(ushort) to configurationt type, useful for iterating through enum.
+ static ConfigurationType castFromInt(base::type::EnumType c) {
+ return static_cast<ConfigurationType>(c);
+ }
+ /// @brief Converts configuration type to associated const char*
+ /// @returns Upper case string based configuration type.
+ static const char* convertToString(ConfigurationType configurationType) {
+ // Do not use switch over strongly typed enums because Intel C++ compilers dont support them yet.
+ if (configurationType == ConfigurationType::Enabled) return "ENABLED";
+ if (configurationType == ConfigurationType::Filename) return "FILENAME";
+ if (configurationType == ConfigurationType::Format) return "FORMAT";
+ if (configurationType == ConfigurationType::ToFile) return "TO_FILE";
+ if (configurationType == ConfigurationType::ToStandardOutput) return "TO_STANDARD_OUTPUT";
+ if (configurationType == ConfigurationType::MillisecondsWidth) return "MILLISECONDS_WIDTH";
+ if (configurationType == ConfigurationType::PerformanceTracking) return "PERFORMANCE_TRACKING";
+ if (configurationType == ConfigurationType::MaxLogFileSize) return "MAX_LOG_FILE_SIZE";
+ if (configurationType == ConfigurationType::LogFlushThreshold) return "LOG_FLUSH_THRESHOLD";
+ return "UNKNOWN";
+ }
+ /// @brief Converts from configStr to ConfigurationType
+ /// @param configStr Upper case string based configuration type.
+ /// Lower case is also valid but providing upper case is recommended.
+ static ConfigurationType convertFromString(const char* configStr) {
+ if ((strcmp(configStr, "ENABLED") == 0) || (strcmp(configStr, "enabled") == 0))
+ return ConfigurationType::Enabled;
+ if ((strcmp(configStr, "TO_FILE") == 0) || (strcmp(configStr, "to_file") == 0))
+ return ConfigurationType::ToFile;
+ if ((strcmp(configStr, "TO_STANDARD_OUTPUT") == 0) || (strcmp(configStr, "to_standard_output") == 0))
+ return ConfigurationType::ToStandardOutput;
+ if ((strcmp(configStr, "FORMAT") == 0) || (strcmp(configStr, "format") == 0))
+ return ConfigurationType::Format;
+ if ((strcmp(configStr, "FILENAME") == 0) || (strcmp(configStr, "filename") == 0))
+ return ConfigurationType::Filename;
+ if ((strcmp(configStr, "MILLISECONDS_WIDTH") == 0) || (strcmp(configStr, "milliseconds_width") == 0))
+ return ConfigurationType::MillisecondsWidth;
+ if ((strcmp(configStr, "PERFORMANCE_TRACKING") == 0) || (strcmp(configStr, "performance_tracking") == 0))
+ return ConfigurationType::PerformanceTracking;
+ if ((strcmp(configStr, "MAX_LOG_FILE_SIZE") == 0) || (strcmp(configStr, "max_log_file_size") == 0))
+ return ConfigurationType::MaxLogFileSize;
+ if ((strcmp(configStr, "LOG_FLUSH_THRESHOLD") == 0) || (strcmp(configStr, "log_flush_threshold") == 0))
+ return ConfigurationType::LogFlushThreshold;
+ return ConfigurationType::Unknown;
+ }
+ /// @brief Applies specified function to each configuration type starting from startIndex
+ /// @param startIndex initial value to start the iteration from. This is passed by pointer and is left-shifted
+ /// so this can be used inside function (fn) to represent current configuration type.
+ /// @param fn function to apply with each configuration type.
+ /// This bool represent whether or not to stop iterating through configurations.
+ static inline void forEachConfigType(base::type::EnumType* startIndex, const std::function<bool(void)>& fn) {
+ base::type::EnumType cIndexMax = ConfigurationTypeHelper::kMaxValid;
+ do {
+ if (fn()) {
+ break;
+ }
+ *startIndex = static_cast<base::type::EnumType>(*startIndex << 1);
+ } while (*startIndex <= cIndexMax);
+ }
+ };
+ /// @brief Flags used while writing logs. This flags are set by user
+ enum class LoggingFlag : base::type::EnumType {
+ /// @brief Makes sure we have new line for each container log entry
+ NewLineForContainer = 1,
+ /// @brief Makes sure if -vmodule is used and does not specifies a module, then verbose
+ /// logging is allowed via that module.
+ AllowVerboseIfModuleNotSpecified = 2,
+ /// @brief When handling crashes by default, detailed crash reason will be logged as well
+ LogDetailedCrashReason = 4,
+ /// @brief Allows to disable application abortion when logged using FATAL level
+ DisableApplicationAbortOnFatalLog = 8,
+ /// @brief Flushes log with every log-entry (performance sensative) - Disabled by default
+ ImmediateFlush = 16,
+ /// @brief Enables strict file rolling
+ StrictLogFileSizeCheck = 32,
+ /// @brief Make terminal output colorful for supported terminals
+ ColoredTerminalOutput = 64,
+ /// @brief Supports use of multiple logging in same macro, e.g, CLOG(INFO, "default", "network")
+ MultiLoggerSupport = 128,
+ /// @brief Disables comparing performance tracker's checkpoints
+ DisablePerformanceTrackingCheckpointComparison = 256,
+ /// @brief Disable VModules
+ DisableVModules = 512,
+ /// @brief Disable VModules extensions
+ DisableVModulesExtensions = 1024,
+ /// @brief Enables hierarchical logging
+ HierarchicalLogging = 2048,
+ /// @brief Creates logger automatically when not available
+ CreateLoggerAutomatically = 4096,
+ /// @brief Adds spaces b/w logs that separated by left-shift operator
+ AutoSpacing = 8192,
+ /// @brief Preserves time format and does not convert it to sec, hour etc (performance tracking only)
+ FixedTimeFormat = 16384
+ };
+ namespace base {
+ /// @brief Namespace containing constants used internally.
+ namespace consts {
+ // Level log values - These are values that are replaced in place of %level format specifier
+ static const base::type::char_t* kInfoLevelLogValue = ELPP_LITERAL("INFO ");
+ static const base::type::char_t* kDebugLevelLogValue = ELPP_LITERAL("DEBUG");
+ static const base::type::char_t* kWarningLevelLogValue = ELPP_LITERAL("WARN ");
+ static const base::type::char_t* kErrorLevelLogValue = ELPP_LITERAL("ERROR");
+ static const base::type::char_t* kFatalLevelLogValue = ELPP_LITERAL("FATAL");
+ static const base::type::char_t* kVerboseLevelLogValue = ELPP_LITERAL("VER");
+ static const base::type::char_t* kTraceLevelLogValue = ELPP_LITERAL("TRACE");
+ static const base::type::char_t* kInfoLevelShortLogValue = ELPP_LITERAL("I");
+ static const base::type::char_t* kDebugLevelShortLogValue = ELPP_LITERAL("D");
+ static const base::type::char_t* kWarningLevelShortLogValue = ELPP_LITERAL("W");
+ static const base::type::char_t* kErrorLevelShortLogValue = ELPP_LITERAL("E");
+ static const base::type::char_t* kFatalLevelShortLogValue = ELPP_LITERAL("F");
+ static const base::type::char_t* kVerboseLevelShortLogValue = ELPP_LITERAL("V");
+ static const base::type::char_t* kTraceLevelShortLogValue = ELPP_LITERAL("T");
+ // Format specifiers - These are used to define log format
+ static const base::type::char_t* kAppNameFormatSpecifier = ELPP_LITERAL("%app");
+ static const base::type::char_t* kLoggerIdFormatSpecifier = ELPP_LITERAL("%logger");
+ static const base::type::char_t* kThreadIdFormatSpecifier = ELPP_LITERAL("%thread");
+ static const base::type::char_t* kSeverityLevelFormatSpecifier = ELPP_LITERAL("%level");
+ static const base::type::char_t* kSeverityLevelShortFormatSpecifier = ELPP_LITERAL("%levshort");
+ static const base::type::char_t* kDateTimeFormatSpecifier = ELPP_LITERAL("%datetime");
+ static const base::type::char_t* kLogFileFormatSpecifier = ELPP_LITERAL("%file");
+ static const base::type::char_t* kLogFileBaseFormatSpecifier = ELPP_LITERAL("%fbase");
+ static const base::type::char_t* kLogLineFormatSpecifier = ELPP_LITERAL("%line");
+ static const base::type::char_t* kLogLocationFormatSpecifier = ELPP_LITERAL("%loc");
+ static const base::type::char_t* kLogFunctionFormatSpecifier = ELPP_LITERAL("%func");
+ static const base::type::char_t* kCurrentUserFormatSpecifier = ELPP_LITERAL("%user");
+ static const base::type::char_t* kCurrentHostFormatSpecifier = ELPP_LITERAL("%host");
+ static const base::type::char_t* kMessageFormatSpecifier = ELPP_LITERAL("%msg");
+ static const base::type::char_t* kVerboseLevelFormatSpecifier = ELPP_LITERAL("%vlevel");
+ static const char* kDateTimeFormatSpecifierForFilename = "%datetime";
+ // Date/time
+ static const char* kDays[7] = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };
+ static const char* kDaysAbbrev[7] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
+ static const char* kMonths[12] = { "January", "February", "March", "Apri", "May", "June", "July", "August",
+ "September", "October", "November", "December" };
+ static const char* kMonthsAbbrev[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+ static const char* kDefaultDateTimeFormat = "%Y-%M-%d %H:%m:%s,%g";
+ static const char* kDefaultDateTimeFormatInFilename = "%Y-%M-%d_%H-%m";
+ static const int kYearBase = 1900;
+ static const char* kAm = "AM";
+ static const char* kPm = "PM";
+ // Miscellaneous constants
+ static const char* kDefaultLoggerId = "default";
+ static const char* kPerformanceLoggerId = "performance";
+#if defined(ELPP_SYSLOG)
+ static const char* kSysLogLoggerId = "syslog";
+#endif // defined(ELPP_SYSLOG)
+ static const char* kNullPointer = "nullptr";
+ static const char kFormatSpecifierChar = '%';
+#if ELPP_VARIADIC_TEMPLATES_SUPPORTED
+ static const char kFormatSpecifierCharValue = 'v';
+#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED
+ static const unsigned int kMaxLogPerContainer = 100;
+ static const unsigned int kMaxLogPerCounter = 100000;
+ static const unsigned int kDefaultMillisecondsWidth = 3;
+ static const base::type::VerboseLevel kMaxVerboseLevel = 9;
+ static const char* kUnknownUser = "user";
+ static const char* kUnknownHost = "unknown-host";
+#if defined(ELPP_DEFAULT_LOG_FILE)
+ static const char* kDefaultLogFile = ELPP_DEFAULT_LOG_FILE;
+#else
+# if ELPP_OS_UNIX
+# if ELPP_OS_ANDROID
+ static const char* kDefaultLogFile = "logs/myeasylog.log";
+# else
+ static const char* kDefaultLogFile = "logs/myeasylog.log";
+# endif // ELPP_OS_ANDROID
+# elif ELPP_OS_WINDOWS
+ static const char* kDefaultLogFile = "logs\\myeasylog.log";
+# endif // ELPP_OS_UNIX
+#endif // defined(ELPP_DEFAULT_LOG_FILE)
+#if !defined(ELPP_DISABLE_LOG_FILE_FROM_ARG)
+ static const char* kDefaultLogFileParam = "--default-log-file";
+#endif // !defined(ELPP_DISABLE_LOG_FILE_FROM_ARG)
+#if defined(ELPP_LOGGING_FLAGS_FROM_ARG)
+ static const char* kLoggingFlagsParam = "--logging-flags";
+#endif // defined(ELPP_LOGGING_FLAGS_FROM_ARG)
+#if ELPP_OS_WINDOWS
+ static const char* kFilePathSeperator = "\\";
+#else
+ static const char* kFilePathSeperator = "/";
+#endif // ELPP_OS_WINDOWS
+ static const char* kValidLoggerIdSymbols = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._";
+ static const char* kConfigurationComment = "##";
+ static const char* kConfigurationLevel = "*";
+ static const char* kConfigurationLoggerId = "--";
+ static const std::size_t kSourceFilenameMaxLength = 100;
+ static const std::size_t kSourceLineMaxLength = 10;
+ static const Level kPerformanceTrackerDefaultLevel = Level::Info;
+ const struct {
+ double value;
+ const base::type::char_t* unit;
+ } kTimeFormats[] = {
+ { 1000.0f, ELPP_LITERAL("mis") },
+ { 1000.0f, ELPP_LITERAL("ms") },
+ { 60.0f, ELPP_LITERAL("seconds") },
+ { 60.0f, ELPP_LITERAL("minutes") },
+ { 24.0f, ELPP_LITERAL("hours") },
+ { 7.0f, ELPP_LITERAL("days") }
+ };
+ static const int kTimeFormatsCount = sizeof(kTimeFormats) / sizeof(kTimeFormats[0]);
+ const struct {
+ int numb;
+ const char* name;
+ const char* brief;
+ const char* detail;
+ } kCrashSignals[] = {
+ // NOTE: Do not re-order, if you do please check CrashHandler(bool) constructor and CrashHandler::setHandler(..)
+ { SIGABRT, "SIGABRT", "Abnormal termination",
+ "Program was abnormally terminated." },
+ { SIGFPE, "SIGFPE", "Erroneous arithmetic operation",
+ "Arithemetic operation issue such as division by zero or operation resulting in overflow." },
+ { SIGILL, "SIGILL", "Illegal instruction",
+ "Generally due to a corruption in the code or to an attempt to execute data."},
+ { SIGSEGV, "SIGSEGV", "Invalid access to memory",
+ "Program is trying to read an invalid (unallocated, deleted or corrupted) or inaccessible memory." },
+ { SIGINT, "SIGINT", "Interactive attention signal",
+ "Interruption generated (generally) by user or operating system." },
+ };
+ static const int kCrashSignalsCount = sizeof(kCrashSignals) / sizeof(kCrashSignals[0]);
+ } // namespace consts
+ } // namespace base
+ typedef std::function<void(const char*, std::size_t)> PreRollOutCallback;
+ namespace base {
+ static inline void defaultPreRollOutCallback(const char*, std::size_t) {}
+ /// @brief Enum to represent timestamp unit
+ enum class TimestampUnit : base::type::EnumType {
+ Microsecond = 0, Millisecond = 1, Second = 2, Minute = 3, Hour = 4, Day = 5
+ };
+ /// @brief Format flags used to determine specifiers that are active for performance improvements.
+ enum class FormatFlags : base::type::EnumType {
+ DateTime = 1<<1, LoggerId = 1<<2, File = 1<<3, Line = 1<<4, Location = 1<<5, Function = 1<<6,
+ User = 1<<7, Host = 1<<8, LogMessage = 1<<9, VerboseLevel = 1<<10, AppName = 1<<11, ThreadId = 1<<12,
+ Level = 1<<13, FileBase = 1<<14, LevelShort = 1<<15
+ };
+ /// @brief A milliseconds width class containing actual width and offset for date/time
+ class MillisecondsWidth {
+ public:
+ MillisecondsWidth(void) { init(base::consts::kDefaultMillisecondsWidth); }
+ explicit MillisecondsWidth(int width) { init(width); }
+ bool operator==(const MillisecondsWidth& msWidth) { return m_width == msWidth.m_width && m_offset == msWidth.m_offset; }
+ int m_width; unsigned int m_offset;
+ private:
+ void init(int width) {
+ if (width < 1 || width > 6) {
+ width = base::consts::kDefaultMillisecondsWidth;
+ }
+ m_width = width;
+ switch (m_width) {
+ case 3: m_offset = 1000; break;
+ case 4: m_offset = 100; break;
+ case 5: m_offset = 10; break;
+ case 6: m_offset = 1; break;
+ default: m_offset = 1000; break;
+ }
+ }
+ };
+ /// @brief Namespace containing utility functions/static classes used internally
+ namespace utils {
+ /// @brief Deletes memory safely and points to null
+ template <typename T>
+ static inline
+ typename std::enable_if<std::is_pointer<T*>::value, void>::type
+ safeDelete(T*& pointer) {
+ if (pointer == nullptr)
+ return;
+ delete pointer;
+ pointer = nullptr;
+ }
+ /// @brief Gets value of const char* but if it is nullptr, a string nullptr is returned
+ static inline const char* charPtrVal(const char* pointer) {
+ return pointer == nullptr ? base::consts::kNullPointer : pointer;
+ }
+ /// @brief Aborts application due with user-defined status
+ static inline void abort(int status, const std::string& reason = std::string()) {
+ // Both status and reason params are there for debugging with tools like gdb etc
+ ELPP_UNUSED(status);
+ ELPP_UNUSED(reason);
+#if defined(ELPP_COMPILER_MSVC) && defined(_M_IX86) && defined(_DEBUG)
+ // Ignore msvc critical error dialog - break instead (on debug mode)
+ _asm int 3
+#else
+ ::abort();
+#endif // defined(ELPP_COMPILER_MSVC) && defined(_M_IX86) && defined(_DEBUG)
+ }
+ /// @brief Bitwise operations for C++11 strong enum class. This casts e into Flag_T and returns value after bitwise operation
+ /// Use these function as <pre>flag = bitwise::Or<MyEnum>(MyEnum::val1, flag);</pre>
+ namespace bitwise {
+ template <typename Enum>
+ static inline base::type::EnumType And(Enum e, base::type::EnumType flag) {
+ return static_cast<base::type::EnumType>(flag) & static_cast<base::type::EnumType>(e);
+ }
+ template <typename Enum>
+ static inline base::type::EnumType Not(Enum e, base::type::EnumType flag) {
+ return static_cast<base::type::EnumType>(flag) & ~(static_cast<base::type::EnumType>(e));
+ }
+ template <typename Enum>
+ static inline base::type::EnumType Or(Enum e, base::type::EnumType flag) {
+ return static_cast<base::type::EnumType>(flag) | static_cast<base::type::EnumType>(e);
+ }
+ } // namespace bitwise
+ template <typename Enum>
+ static inline void addFlag(Enum e, base::type::EnumType* flag) {
+ *flag = base::utils::bitwise::Or<Enum>(e, *flag);
+ }
+ template <typename Enum>
+ static inline void removeFlag(Enum e, base::type::EnumType* flag) {
+ *flag = base::utils::bitwise::Not<Enum>(e, *flag);
+ }
+ template <typename Enum>
+ static inline bool hasFlag(Enum e, base::type::EnumType flag) {
+ return base::utils::bitwise::And<Enum>(e, flag) > 0x0;
+ }
+ } // namespace utils
+ namespace threading {
+#if ELPP_THREADING_ENABLED
+# if !ELPP_USE_STD_THREADING
+ namespace internal {
+ /// @brief A mutex wrapper for compiler that dont yet support std::mutex
+ class Mutex : base::NoCopy {
+ public:
+ Mutex(void) {
+# if ELPP_OS_UNIX
+ pthread_mutex_init(&m_underlyingMutex, nullptr);
+# elif ELPP_OS_WINDOWS
+ InitializeCriticalSection(&m_underlyingMutex);
+# endif // ELPP_OS_UNIX
+ }
+
+ virtual ~Mutex(void) {
+# if ELPP_OS_UNIX
+ pthread_mutex_destroy(&m_underlyingMutex);
+# elif ELPP_OS_WINDOWS
+ DeleteCriticalSection(&m_underlyingMutex);
+# endif // ELPP_OS_UNIX
+ }
+
+ inline void lock(void) {
+# if ELPP_OS_UNIX
+ pthread_mutex_lock(&m_underlyingMutex);
+# elif ELPP_OS_WINDOWS
+ EnterCriticalSection(&m_underlyingMutex);
+# endif // ELPP_OS_UNIX
+ }
+
+ inline bool try_lock(void) {
+# if ELPP_OS_UNIX
+ return (pthread_mutex_trylock(&m_underlyingMutex) == 0);
+# elif ELPP_OS_WINDOWS
+ return TryEnterCriticalSection(&m_underlyingMutex);
+# endif // ELPP_OS_UNIX
+ }
+
+ inline void unlock(void) {
+# if ELPP_OS_UNIX
+ pthread_mutex_unlock(&m_underlyingMutex);
+# elif ELPP_OS_WINDOWS
+ LeaveCriticalSection(&m_underlyingMutex);
+# endif // ELPP_OS_UNIX
+ }
+
+ private:
+# if ELPP_OS_UNIX
+ pthread_mutex_t m_underlyingMutex;
+# elif ELPP_OS_WINDOWS
+ CRITICAL_SECTION m_underlyingMutex;
+# endif // ELPP_OS_UNIX
+ };
+ /// @brief Scoped lock for compiler that dont yet support std::lock_guard
+ template <typename M>
+ class ScopedLock : base::NoCopy {
+ public:
+ explicit ScopedLock(M& mutex) {
+ m_mutex = &mutex;
+ m_mutex->lock();
+ }
+
+ virtual ~ScopedLock(void) {
+ m_mutex->unlock();
+ }
+ private:
+ M* m_mutex;
+ ScopedLock(void);
+ };
+ } // namespace internal
+ /// @brief Gets ID of currently running threading in windows systems. On unix, nothing is returned.
+ static inline std::string getCurrentThreadId(void) {
+ std::stringstream ss;
+# if (ELPP_OS_WINDOWS)
+ ss << GetCurrentThreadId();
+# endif // (ELPP_OS_WINDOWS)
+ return ss.str();
+ }
+ static inline void msleep(int) {
+ // No implementation for non std::thread version
+ }
+ typedef base::threading::internal::Mutex Mutex;
+ typedef base::threading::internal::ScopedLock<base::threading::Mutex> ScopedLock;
+# else
+ /// @brief Gets ID of currently running threading using std::this_thread::get_id()
+ static inline std::string getCurrentThreadId(void) {
+ std::stringstream ss;
+ ss << std::this_thread::get_id();
+ return ss.str();
+ }
+ static inline void msleep(int ms) {
+ // Only when async logging enabled - this is because async is strict on compiler
+# if ELPP_ASYNC_LOGGING
+# if defined(ELPP_NO_SLEEP_FOR)
+ usleep(ms * 1000);
+# else
+ std::this_thread::sleep_for(std::chrono::milliseconds(ms));
+# endif // defined(ELPP_NO_SLEEP_FOR)
+# else
+ ELPP_UNUSED(ms);
+# endif // ELPP_ASYNC_LOGGING
+ }
+ typedef std::mutex Mutex;
+ typedef std::lock_guard<std::mutex> ScopedLock;
+# endif // !ELPP_USE_STD_THREADING
+#else
+ namespace internal {
+ /// @brief Mutex wrapper used when multi-threading is disabled.
+ class NoMutex : base::NoCopy {
+ public:
+ NoMutex(void) {}
+ inline void lock(void) {}
+ inline bool try_lock(void) { return true; }
+ inline void unlock(void) {}
+ };
+ /// @brief Lock guard wrapper used when multi-threading is disabled.
+ template <typename Mutex>
+ class NoScopedLock : base::NoCopy {
+ public:
+ explicit NoScopedLock(Mutex&) {
+ }
+ virtual ~NoScopedLock(void) {
+ }
+ private:
+ NoScopedLock(void);
+ };
+ } // namespace internal
+ static inline std::string getCurrentThreadId(void) {
+ return std::string();
+ }
+ static inline void msleep(int) {
+ // No custom implementation
+ }
+ typedef base::threading::internal::NoMutex Mutex;
+ typedef base::threading::internal::NoScopedLock<base::threading::Mutex> ScopedLock;
+#endif // ELPP_THREADING_ENABLED
+ /// @brief Base of thread safe class, this class is inheritable-only
+ class ThreadSafe {
+ public:
+ virtual inline void acquireLock(void) ELPP_FINAL { m_mutex.lock(); }
+ virtual inline void releaseLock(void) ELPP_FINAL { m_mutex.unlock(); }
+ virtual inline base::threading::Mutex& lock(void) ELPP_FINAL { return m_mutex; }
+ protected:
+ ThreadSafe(void) {}
+ virtual ~ThreadSafe(void) {}
+ private:
+ base::threading::Mutex m_mutex;
+ };
+ } // namespace threading
+ namespace utils {
+ class File : base::StaticClass {
+ public:
+ /// @brief Creates new out file stream for specified filename.
+ /// @return Pointer to newly created fstream or nullptr
+ static base::type::fstream_t* newFileStream(const std::string& filename) {
+ base::type::fstream_t *fs = new base::type::fstream_t(filename.c_str(),
+ base::type::fstream_t::out
+#if !defined(ELPP_FRESH_LOG_FILE)
+ | base::type::fstream_t::app
+#endif
+ );
+#if defined(ELPP_UNICODE)
+ std::locale elppUnicodeLocale("");
+# if ELPP_OS_WINDOWS
+ std::locale elppUnicodeLocaleWindows(elppUnicodeLocale, new std::codecvt_utf8_utf16<wchar_t>);
+ elppUnicodeLocale = elppUnicodeLocaleWindows;
+# endif // ELPP_OS_WINDOWS
+ fs->imbue(elppUnicodeLocale);
+#endif // defined(ELPP_UNICODE)
+ if (fs->is_open()) {
+ fs->flush();
+ } else {
+ base::utils::safeDelete(fs);
+ ELPP_INTERNAL_ERROR("Bad file [" << filename << "]", true);
+ }
+ return fs;
+ }
+
+ /// @brief Gets size of file provided in stream
+ static std::size_t getSizeOfFile(base::type::fstream_t* fs) {
+ if (fs == nullptr) {
+ return 0;
+ }
+ std::streampos currPos = fs->tellg();
+ fs->seekg(0, fs->end);
+ std::size_t size = static_cast<std::size_t>(fs->tellg());
+ fs->seekg(currPos);
+ return size;
+ }
+
+ /// @brief Determines whether or not provided path exist in current file system
+ static inline bool pathExists(const char* path, bool considerFile = false) {
+ if (path == nullptr) {
+ return false;
+ }
+#if ELPP_OS_UNIX
+ ELPP_UNUSED(considerFile);
+ struct stat st;
+ return (stat(path, &st) == 0);
+#elif ELPP_OS_WINDOWS
+ DWORD fileType = GetFileAttributesA(path);
+ if (fileType == INVALID_FILE_ATTRIBUTES) {
+ return false;
+ }
+ return considerFile ? true : ((fileType & FILE_ATTRIBUTE_DIRECTORY) == 0 ? false : true);
+#endif // ELPP_OS_UNIX
+ }
+
+ /// @brief Creates specified path on file system
+ /// @param path Path to create.
+ static bool createPath(const std::string& path) {
+ if (path.empty()) {
+ return false;
+ }
+ if (base::utils::File::pathExists(path.c_str())) {
+ return true;
+ }
+ int status = -1;
+
+ char* currPath = const_cast<char*>(path.c_str());
+ std::string builtPath = std::string();
+#if ELPP_OS_UNIX
+ if (path[0] == '/') {
+ builtPath = "/";
+ }
+ currPath = STRTOK(currPath, base::consts::kFilePathSeperator, 0);
+#elif ELPP_OS_WINDOWS
+ // Use secure functions API
+ char* nextTok_ = nullptr;
+ currPath = STRTOK(currPath, base::consts::kFilePathSeperator, &nextTok_);
+ ELPP_UNUSED(nextTok_);
+#endif // ELPP_OS_UNIX
+ while (currPath != nullptr) {
+ builtPath.append(currPath);
+ builtPath.append(base::consts::kFilePathSeperator);
+#if ELPP_OS_UNIX
+ status = mkdir(builtPath.c_str(), ELPP_LOG_PERMS);
+ currPath = STRTOK(nullptr, base::consts::kFilePathSeperator, 0);
+#elif ELPP_OS_WINDOWS
+ status = _mkdir(builtPath.c_str());
+ currPath = STRTOK(nullptr, base::consts::kFilePathSeperator, &nextTok_);
+#endif // ELPP_OS_UNIX
+ }
+ if (status == -1) {
+ ELPP_INTERNAL_ERROR("Error while creating path [" << path << "]", true);
+ return false;
+ }
+ return true;
+ }
+ /// @brief Extracts path of filename with leading slash
+ static std::string extractPathFromFilename(const std::string& fullPath,
+ const char* seperator = base::consts::kFilePathSeperator) {
+ if ((fullPath == "") || (fullPath.find(seperator) == std::string::npos)) {
+ return fullPath;
+ }
+ std::size_t lastSlashAt = fullPath.find_last_of(seperator);
+ if (lastSlashAt == 0) {
+ return std::string(seperator);
+ }
+ return fullPath.substr(0, lastSlashAt + 1);
+ }
+ /// @brief builds stripped filename and puts it in buff
+ static void buildStrippedFilename(const char* filename, char buff[],
+ std::size_t limit = base::consts::kSourceFilenameMaxLength) {
+ std::size_t sizeOfFilename = strlen(filename);
+ if (sizeOfFilename >= limit) {
+ filename += (sizeOfFilename - limit);
+ if (filename[0] != '.' && filename[1] != '.') { // prepend if not already
+ filename += 3; // 3 = '..'
+ STRCAT(buff, "..", limit);
+ }
+ }
+ STRCAT(buff, filename, limit);
+ }
+ /// @brief builds base filename and puts it in buff
+ static void buildBaseFilename(const std::string& fullPath, char buff[],
+ std::size_t limit = base::consts::kSourceFilenameMaxLength,
+ const char* seperator = base::consts::kFilePathSeperator) {
+ const char *filename = fullPath.c_str();
+ std::size_t lastSlashAt = fullPath.find_last_of(seperator);
+ filename += lastSlashAt ? lastSlashAt+1 : 0;
+ std::size_t sizeOfFilename = strlen(filename);
+ if (sizeOfFilename >= limit) {
+ filename += (sizeOfFilename - limit);
+ if (filename[0] != '.' && filename[1] != '.') { // prepend if not already
+ filename += 3; // 3 = '..'
+ STRCAT(buff, "..", limit);
+ }
+ }
+ STRCAT(buff, filename, limit);
+ }
+ };
+ /// @brief String utilities helper class used internally. You should not use it.
+ class Str : base::StaticClass {
+ public:
+ /// @brief Checks if character is digit. Dont use libc implementation of it to prevent locale issues.
+ static inline bool isDigit(char c) {
+ return c >= '0' && c <= '9';
+ }
+
+ /// @brief Matches wildcards, '*' and '?' only supported.
+ static bool wildCardMatch(const char* str, const char* pattern) {
+ while (*pattern) {
+ switch (*pattern) {
+ case '?':
+ if (!*str)
+ return false;
+ ++str;
+ ++pattern;
+ break;
+ case '*':
+ if (wildCardMatch(str, pattern + 1))
+ return true;
+ if (*str && wildCardMatch(str + 1, pattern))
+ return true;
+ return false;
+ default:
+ if (*str++ != *pattern++)
+ return false;
+ break;
+ }
+ }
+ return !*str && !*pattern;
+ }
+
+ /// @brief Trims string from start
+ /// @param [in,out] str String to trim
+ static inline std::string& ltrim(std::string& str) {
+ str.erase(str.begin(), std::find_if(str.begin(), str.end(), std::not1(std::ptr_fun<int, int>(&std::isspace))));
+ return str;
+ }
+
+ /// @brief Trim string from end
+ /// @param [in,out] str String to trim
+ static inline std::string& rtrim(std::string& str) {
+ str.erase(std::find_if(str.rbegin(), str.rend(), std::not1(std::ptr_fun<int, int>(&std::isspace))).base(), str.end());
+ return str;
+ }
+
+ /// @brief Trims string from left and right
+ /// @param [in,out] str String to trim
+ static inline std::string& trim(std::string& str) {
+ return ltrim(rtrim(str));
+ }
+
+ /// @brief Determines whether or not str starts with specified string
+ /// @param str String to check
+ /// @param start String to check against
+ /// @return Returns true if starts with specified string, false otherwise
+ static inline bool startsWith(const std::string& str, const std::string& start) {
+ return (str.length() >= start.length()) && (str.compare(0, start.length(), start) == 0);
+ }
+
+ /// @brief Determines whether or not str ends with specified string
+ /// @param str String to check
+ /// @param end String to check against
+ /// @return Returns true if ends with specified string, false otherwise
+ static inline bool endsWith(const std::string& str, const std::string& end) {
+ return (str.length() >= end.length()) && (str.compare(str.length() - end.length(), end.length(), end) == 0);
+ }
+
+ /// @brief Replaces all instances of replaceWhat with 'replaceWith'. Original variable is changed for performance.
+ /// @param [in,out] str String to replace from
+ /// @param replaceWhat Character to replace
+ /// @param replaceWith Character to replace with
+ /// @return Modified version of str
+ static inline std::string& replaceAll(std::string& str, char replaceWhat, char replaceWith) {
+ std::replace(str.begin(), str.end(), replaceWhat, replaceWith);
+ return str;
+ }
+
+ /// @brief Replaces all instances of 'replaceWhat' with 'replaceWith'. (String version) Replaces in place
+ /// @param str String to replace from
+ /// @param replaceWhat Character to replace
+ /// @param replaceWith Character to replace with
+ /// @return Modified (original) str
+ static inline std::string& replaceAll(std::string& str, const std::string& replaceWhat, // NOLINT
+ const std::string& replaceWith) {
+ if (replaceWhat == replaceWith)
+ return str;
+ std::size_t foundAt = std::string::npos;
+ while ((foundAt = str.find(replaceWhat, foundAt + 1)) != std::string::npos) {
+ str.replace(foundAt, replaceWhat.length(), replaceWith);
+ }
+ return str;
+ }
+
+ static void replaceFirstWithEscape(base::type::string_t& str, const base::type::string_t& replaceWhat, // NOLINT
+ const base::type::string_t& replaceWith) {
+ std::size_t foundAt = base::type::string_t::npos;
+ while ((foundAt = str.find(replaceWhat, foundAt + 1)) != base::type::string_t::npos) {
+ if (foundAt > 0 && str[foundAt - 1] == base::consts::kFormatSpecifierChar) {
+ str.erase(foundAt > 0 ? foundAt - 1 : 0, 1);
+ ++foundAt;
+ } else {
+ str.replace(foundAt, replaceWhat.length(), replaceWith);
+ return;
+ }
+ }
+ }
+#if defined(ELPP_UNICODE)
+ static void replaceFirstWithEscape(base::type::string_t& str, const base::type::string_t& replaceWhat, // NOLINT
+ const std::string& replaceWith) {
+ replaceFirstWithEscape(str, replaceWhat, base::type::string_t(replaceWith.begin(), replaceWith.end()));
+ }
+#endif // defined(ELPP_UNICODE)
+ /// @brief Converts string to uppercase
+ /// @param str String to convert
+ /// @return Uppercase string
+ static inline std::string& toUpper(std::string& str) {
+ std::transform(str.begin(), str.end(), str.begin(), ::toupper);
+ return str;
+ }
+
+ /// @brief Compares cstring equality - uses strcmp
+ static inline bool cStringEq(const char* s1, const char* s2) {
+ if (s1 == nullptr && s2 == nullptr) return true;
+ if (s1 == nullptr || s2 == nullptr) return false;
+ return strcmp(s1, s2) == 0;
+ }
+
+ /// @brief Compares cstring equality (case-insensitive) - uses toupper(char)
+ /// Dont use strcasecmp because of CRT (VC++)
+ static bool cStringCaseEq(const char* s1, const char* s2) {
+ if (s1 == nullptr && s2 == nullptr) return true;
+ if (s1 == nullptr || s2 == nullptr) return false;
+ if (strlen(s1) != strlen(s2)) return false;
+ while (*s1 != '\0' && *s2 != '\0') {
+ if (::toupper(*s1) != ::toupper(*s2)) return false;
+ ++s1;
+ ++s2;
+ }
+ return true;
+ }
+
+ /// @brief Returns true if c exist in str
+ static inline bool contains(const char* str, char c) {
+ for (; *str; ++str) {
+ if (*str == c)
+ return true;
+ }
+ return false;
+ }
+
+ static inline char* convertAndAddToBuff(std::size_t n, int len, char* buf, const char* bufLim, bool zeroPadded = true) {
+ char localBuff[10] = "";
+ char* p = localBuff + sizeof(localBuff) - 2;
+ if (n > 0) {
+ for (; n > 0 && p > localBuff && len > 0; n /= 10, --len)
+ *--p = static_cast<char>(n % 10 + '0');
+ } else {
+ *--p = '0';
+ --len;
+ }
+ if (zeroPadded)
+ while (p > localBuff && len-- > 0) *--p = static_cast<char>('0');
+ return addToBuff(p, buf, bufLim);
+ }
+
+ static inline char* addToBuff(const char* str, char* buf, const char* bufLim) {
+ while ((buf < bufLim) && ((*buf = *str++) != '\0'))
+ ++buf;
+ return buf;
+ }
+
+ static inline char* clearBuff(char buff[], std::size_t lim) {
+ STRCPY(buff, "", lim);
+ ELPP_UNUSED(lim); // For *nix we dont have anything using lim in above STRCPY macro
+ return buff;
+ }
+
+ /// @brief Converst wchar* to char*
+ /// NOTE: Need to free return value after use!
+ static char* wcharPtrToCharPtr(const wchar_t* line) {
+ std::size_t len_ = wcslen(line) + 1;
+ char* buff_ = static_cast<char*>(malloc(len_ + 1));
+# if ELPP_OS_UNIX || (ELPP_OS_WINDOWS && !ELPP_CRT_DBG_WARNINGS)
+ std::wcstombs(buff_, line, len_);
+# elif ELPP_OS_WINDOWS
+ std::size_t convCount_ = 0;
+ mbstate_t mbState_;
+ ::memset(static_cast<void*>(&mbState_), 0, sizeof(mbState_));
+ wcsrtombs_s(&convCount_, buff_, len_, &line, len_, &mbState_);
+# endif // ELPP_OS_UNIX || (ELPP_OS_WINDOWS && !ELPP_CRT_DBG_WARNINGS)
+ return buff_;
+ }
+ };
+ /// @brief Operating System helper static class used internally. You should not use it.
+ class OS : base::StaticClass {
+ public:
+#if ELPP_OS_WINDOWS
+ /// @brief Gets environment variables for Windows based OS.
+ /// We are not using <code>getenv(const char*)</code> because of CRT deprecation
+ /// @param varname Variable name to get environment variable value for
+ /// @return If variable exist the value of it otherwise nullptr
+ static const char* getWindowsEnvironmentVariable(const char* varname) {
+ const DWORD bufferLen = 50;
+ static char buffer[bufferLen];
+ if (GetEnvironmentVariableA(varname, buffer, bufferLen)) {
+ return buffer;
+ }
+ return nullptr;
+ }
+#endif // ELPP_OS_WINDOWS
+#if ELPP_OS_ANDROID
+ /// @brief Reads android property value
+ static inline std::string getProperty(const char* prop) {
+ char propVal[PROP_VALUE_MAX + 1];
+ int ret = __system_property_get(prop, propVal);
+ return ret == 0 ? std::string() : std::string(propVal);
+ }
+
+ /// @brief Reads android device name
+ static std::string getDeviceName(void) {
+ std::stringstream ss;
+ std::string manufacturer = getProperty("ro.product.manufacturer");
+ std::string model = getProperty("ro.product.model");
+ if (manufacturer.empty() || model.empty()) {
+ return std::string();
+ }
+ ss << manufacturer << "-" << model;
+ return ss.str();
+ }
+#endif // ELPP_OS_ANDROID
+
+ /// @brief Runs command on terminal and returns the output.
+ ///
+ /// @detail This is applicable only on unix based systems, for all other OS, an empty string is returned.
+ /// @param command Bash command
+ /// @return Result of bash output or empty string if no result found.
+ static const std::string getBashOutput(const char* command) {
+#if (ELPP_OS_UNIX && !ELPP_OS_ANDROID && !ELPP_CYGWIN)
+ if (command == nullptr) {
+ return std::string();
+ }
+ FILE* proc = nullptr;
+ if ((proc = popen(command, "r")) == nullptr) {
+ ELPP_INTERNAL_ERROR("\nUnable to run command [" << command << "]", true);
+ return std::string();
+ }
+ char hBuff[4096];
+ if (fgets(hBuff, sizeof(hBuff), proc) != nullptr) {
+ pclose(proc);
+ if (hBuff[strlen(hBuff) - 1] == '\n') {
+ hBuff[strlen(hBuff) - 1] = '\0';
+ }
+ return std::string(hBuff);
+ }
+ return std::string();
+#else
+ ELPP_UNUSED(command);
+ return std::string();
+#endif // (ELPP_OS_UNIX && !ELPP_OS_ANDROID && !ELPP_CYGWIN)
+ }
+
+ /// @brief Gets environment variable. This is cross-platform and CRT safe (for VC++)
+ /// @param variableName Environment variable name
+ /// @param defaultVal If no environment variable or value found the value to return by default
+ /// @param alternativeBashCommand If environment variable not found what would be alternative bash command
+ /// in order to look for value user is looking for. E.g, for 'user' alternative command will 'whoami'
+ static std::string getEnvironmentVariable(const char* variableName, const char* defaultVal, const char* alternativeBashCommand = nullptr) {
+#if ELPP_OS_UNIX
+ const char* val = getenv(variableName);
+#elif ELPP_OS_WINDOWS
+ const char* val = getWindowsEnvironmentVariable(variableName);
+#endif // ELPP_OS_UNIX
+ if ((val == nullptr) || ((strcmp(val, "") == 0))) {
+#if ELPP_OS_UNIX && defined(ELPP_FORCE_ENV_VAR_FROM_BASH)
+ // Try harder on unix-based systems
+ std::string valBash = base::utils::OS::getBashOutput(alternativeBashCommand);
+ if (valBash.empty()) {
+ return std::string(defaultVal);
+ } else {
+ return valBash;
+ }
+#elif ELPP_OS_WINDOWS || ELPP_OS_UNIX
+ ELPP_UNUSED(alternativeBashCommand);
+ return std::string(defaultVal);
+#endif // ELPP_OS_UNIX && defined(ELPP_FORCE_ENV_VAR_FROM_BASH)
+ }
+ return std::string(val);
+ }
+ /// @brief Gets current username.
+ static inline std::string currentUser(void) {
+#if ELPP_OS_UNIX && !ELPP_OS_ANDROID
+ return getEnvironmentVariable("USER", base::consts::kUnknownUser, "whoami");
+#elif ELPP_OS_WINDOWS
+ return getEnvironmentVariable("USERNAME", base::consts::kUnknownUser);
+#elif ELPP_OS_ANDROID
+ ELPP_UNUSED(base::consts::kUnknownUser);
+ return std::string("android");
+#else
+ return std::string();
+#endif // ELPP_OS_UNIX && !ELPP_OS_ANDROID
+ }
+
+ /// @brief Gets current host name or computer name.
+ ///
+ /// @detail For android systems this is device name with its manufacturer and model seperated by hyphen
+ static inline std::string currentHost(void) {
+#if ELPP_OS_UNIX && !ELPP_OS_ANDROID
+ return getEnvironmentVariable("HOSTNAME", base::consts::kUnknownHost, "hostname");
+#elif ELPP_OS_WINDOWS
+ return getEnvironmentVariable("COMPUTERNAME", base::consts::kUnknownHost);
+#elif ELPP_OS_ANDROID
+ ELPP_UNUSED(base::consts::kUnknownHost);
+ return getDeviceName();
+#else
+ return std::string();
+#endif // ELPP_OS_UNIX && !ELPP_OS_ANDROID
+ }
+ /// @brief Whether or not terminal supports colors
+ static inline bool termSupportsColor(void) {
+ std::string term = getEnvironmentVariable("TERM", "");
+ return term == "xterm" || term == "xterm-color" || term == "xterm-256color"
+ || term == "screen" || term == "linux" || term == "cygwin"
+ || term == "screen-256color";
+ }
+ };
+ extern std::string s_currentUser;
+ extern std::string s_currentHost;
+ extern bool s_termSupportsColor;
+#define ELPP_INITI_BASIC_DECLR \
+namespace el {\
+namespace base {\
+namespace utils {\
+std::string s_currentUser = el::base::utils::OS::currentUser(); \
+std::string s_currentHost = el::base::utils::OS::currentHost(); \
+bool s_termSupportsColor = el::base::utils::OS::termSupportsColor(); \
+}\
+}\
+}
+ /// @brief Contains utilities for cross-platform date/time. This class make use of el::base::utils::Str
+ class DateTime : base::StaticClass {
+ public:
+ /// @brief Cross platform gettimeofday for Windows and unix platform. This can be used to determine current millisecond.
+ ///
+ /// @detail For unix system it uses gettimeofday(timeval*, timezone*) and for Windows, a seperate implementation is provided
+ /// @param [in,out] tv Pointer that gets updated
+ static void gettimeofday(struct timeval* tv) {
+#if ELPP_OS_WINDOWS
+ if (tv != nullptr) {
+# if ELPP_COMPILER_MSVC || defined(_MSC_EXTENSIONS)
+ const unsigned __int64 delta_ = 11644473600000000Ui64;
+# else
+ const unsigned __int64 delta_ = 11644473600000000ULL;
+# endif // ELPP_COMPILER_MSVC || defined(_MSC_EXTENSIONS)
+ const double secOffSet = 0.000001;
+ const unsigned long usecOffSet = 1000000;
+ FILETIME fileTime;
+ GetSystemTimeAsFileTime(&fileTime);
+ unsigned __int64 present = 0;
+ present |= fileTime.dwHighDateTime;
+ present = present << 32;
+ present |= fileTime.dwLowDateTime;
+ present /= 10; // mic-sec
+ // Subtract the difference
+ present -= delta_;
+ tv->tv_sec = static_cast<long>(present * secOffSet);
+ tv->tv_usec = static_cast<long>(present % usecOffSet);
+ }
+#else
+ ::gettimeofday(tv, nullptr);
+#endif // ELPP_OS_WINDOWS
+ }
+
+ /// @brief Gets current date and time with milliseconds.
+ /// @param format User provided date/time format
+ /// @param msWidth A pointer to base::MillisecondsWidth from configuration (non-null)
+ /// @returns string based date time in specified format.
+ static inline std::string getDateTime(const char* format, const base::MillisecondsWidth* msWidth) {
+ struct timeval currTime;
+ gettimeofday(&currTime);
+ struct ::tm timeInfo;
+ buildTimeInfo(&currTime, &timeInfo);
+ const int kBuffSize = 30;
+ char buff_[kBuffSize] = "";
+ parseFormat(buff_, kBuffSize, format, &timeInfo, static_cast<std::size_t>(currTime.tv_usec / msWidth->m_offset), msWidth);
+ return std::string(buff_);
+ }
+
+ /// @brief Formats time to get unit accordingly, units like second if > 1000 or minutes if > 60000 etc
+ static base::type::string_t formatTime(unsigned long long time, base::TimestampUnit timestampUnit) {
+ double result = static_cast<double>(time);
+ base::type::EnumType start = static_cast<base::type::EnumType>(timestampUnit);
+ const base::type::char_t* unit = base::consts::kTimeFormats[start].unit;
+ for (base::type::EnumType i = start; i < base::consts::kTimeFormatsCount - 1; ++i) {
+ if (result <= base::consts::kTimeFormats[i].value) {
+ break;
+ }
+ result /= base::consts::kTimeFormats[i].value;
+ unit = base::consts::kTimeFormats[i + 1].unit;
+ }
+ base::type::stringstream_t ss;
+ ss << result << " " << unit;
+ return ss.str();
+ }
+
+ /// @brief Gets time difference in milli/micro second depending on timestampUnit
+ static inline unsigned long long getTimeDifference(const struct timeval& endTime, const struct timeval& startTime, base::TimestampUnit timestampUnit) {
+ if (timestampUnit == base::TimestampUnit::Microsecond) {
+ return static_cast<unsigned long long>(static_cast<unsigned long long>(1000000 * endTime.tv_sec + endTime.tv_usec) -
+ static_cast<unsigned long long>(1000000 * startTime.tv_sec + startTime.tv_usec));
+ } else {
+ return static_cast<unsigned long long>((((endTime.tv_sec - startTime.tv_sec) * 1000000) + (endTime.tv_usec - startTime.tv_usec)) / 1000);
+ }
+ }
+
+ private:
+ static inline struct ::tm* buildTimeInfo(struct timeval* currTime, struct ::tm* timeInfo) {
+#if ELPP_OS_UNIX
+ time_t rawTime = currTime->tv_sec;
+ ::localtime_r(&rawTime, timeInfo);
+ return timeInfo;
+#else
+# if ELPP_COMPILER_MSVC
+ ELPP_UNUSED(currTime);
+ time_t t;
+ _time64(&t);
+ localtime_s(timeInfo, &t);
+ return timeInfo;
+# else
+ // For any other compilers that don't have CRT warnings issue e.g, MinGW or TDM GCC- we use different method
+ time_t rawTime = currTime->tv_sec;
+ struct tm* tmInf = localtime(&rawTime);
+ *timeInfo = *tmInf;
+ return timeInfo;
+# endif // ELPP_COMPILER_MSVC
+#endif // ELPP_OS_UNIX
+ }
+ static char* parseFormat(char* buf, std::size_t bufSz, const char* format, const struct tm* tInfo,
+ std::size_t msec, const base::MillisecondsWidth* msWidth) {
+ const char* bufLim = buf + bufSz;
+ for (; *format; ++format) {
+ if (*format == base::consts::kFormatSpecifierChar) {
+ switch (*++format) {
+ case base::consts::kFormatSpecifierChar: // Escape
+ break;
+ case '\0': // End
+ --format;
+ break;
+ case 'd': // Day
+ buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_mday, 2, buf, bufLim);
+ continue;
+ case 'a': // Day of week (short)
+ buf = base::utils::Str::addToBuff(base::consts::kDaysAbbrev[tInfo->tm_wday], buf, bufLim);
+ continue;
+ case 'A': // Day of week (long)
+ buf = base::utils::Str::addToBuff(base::consts::kDays[tInfo->tm_wday], buf, bufLim);
+ continue;
+ case 'M': // month
+ buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_mon + 1, 2, buf, bufLim);
+ continue;
+ case 'b': // month (short)
+ buf = base::utils::Str::addToBuff(base::consts::kMonthsAbbrev[tInfo->tm_mon], buf, bufLim);
+ continue;
+ case 'B': // month (long)
+ buf = base::utils::Str::addToBuff(base::consts::kMonths[tInfo->tm_mon], buf, bufLim);
+ continue;
+ case 'y': // year (two digits)
+ buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_year + base::consts::kYearBase, 2, buf, bufLim);
+ continue;
+ case 'Y': // year (four digits)
+ buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_year + base::consts::kYearBase, 4, buf, bufLim);
+ continue;
+ case 'h': // hour (12-hour)
+ buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_hour % 12, 2, buf, bufLim);
+ continue;
+ case 'H': // hour (24-hour)
+ buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_hour, 2, buf, bufLim);
+ continue;
+ case 'm': // minute
+ buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_min, 2, buf, bufLim);
+ continue;
+ case 's': // second
+ buf = base::utils::Str::convertAndAddToBuff(tInfo->tm_sec, 2, buf, bufLim);
+ continue;
+ case 'z': // milliseconds
+ case 'g':
+ buf = base::utils::Str::convertAndAddToBuff(msec, msWidth->m_width, buf, bufLim);
+ continue;
+ case 'F': // AM/PM
+ buf = base::utils::Str::addToBuff((tInfo->tm_hour >= 12) ? base::consts::kPm : base::consts::kAm, buf, bufLim);
+ continue;
+ default:
+ continue;
+ }
+ }
+ if (buf == bufLim) break;
+ *buf++ = *format;
+ }
+ return buf;
+ }
+ };
+ /// @brief Command line arguments for application if specified using el::Helpers::setArgs(..) or START_EASYLOGGINGPP(..)
+ class CommandLineArgs {
+ public:
+ CommandLineArgs(void) {
+ setArgs(0, static_cast<char**>(nullptr));
+ }
+ CommandLineArgs(int argc, const char** argv) {
+ setArgs(argc, argv);
+ }
+ CommandLineArgs(int argc, char** argv) {
+ setArgs(argc, argv);
+ }
+ virtual ~CommandLineArgs(void) {}
+ /// @brief Sets arguments and parses them
+ inline void setArgs(int argc, const char** argv) {
+ setArgs(argc, const_cast<char**>(argv));
+ }
+ /// @brief Sets arguments and parses them
+ inline void setArgs(int argc, char** argv) {
+ m_params.clear();
+ m_paramsWithValue.clear();
+ if (argc == 0 || argv == nullptr) {
+ return;
+ }
+ m_argc = argc;
+ m_argv = argv;
+ for (int i = 1; i < m_argc; ++i) {
+ const char* v = (strstr(m_argv[i], "="));
+ if (v != nullptr && strlen(v) > 0) {
+ std::string key = std::string(m_argv[i]);
+ key = key.substr(0, key.find_first_of('='));
+ if (hasParamWithValue(key.c_str())) {
+ ELPP_INTERNAL_INFO(1, "Skipping [" << key << "] arg since it already has value ["
+ << getParamValue(key.c_str()) << "]");
+ } else {
+ m_paramsWithValue.insert(std::make_pair(key, std::string(v + 1)));
+ }
+ }
+ if (v == nullptr) {
+ if (hasParam(m_argv[i])) {
+ ELPP_INTERNAL_INFO(1, "Skipping [" << m_argv[i] << "] arg since it already exists");
+ } else {
+ m_params.push_back(std::string(m_argv[i]));
+ }
+ }
+ }
+ }
+ /// @brief Returns true if arguments contain paramKey with a value (seperated by '=')
+ inline bool hasParamWithValue(const char* paramKey) const {
+ return m_paramsWithValue.find(std::string(paramKey)) != m_paramsWithValue.end();
+ }
+ /// @brief Returns value of arguments
+ /// @see hasParamWithValue(const char*)
+ inline const char* getParamValue(const char* paramKey) const {
+ return m_paramsWithValue.find(std::string(paramKey))->second.c_str();
+ }
+ /// @brief Return true if arguments has a param (not having a value) i,e without '='
+ inline bool hasParam(const char* paramKey) const {
+ return std::find(m_params.begin(), m_params.end(), std::string(paramKey)) != m_params.end();
+ }
+ /// @brief Returns true if no params available. This exclude argv[0]
+ inline bool empty(void) const {
+ return m_params.empty() && m_paramsWithValue.empty();
+ }
+ /// @brief Returns total number of arguments. This exclude argv[0]
+ inline std::size_t size(void) const {
+ return m_params.size() + m_paramsWithValue.size();
+ }
+ inline friend base::type::ostream_t& operator<<(base::type::ostream_t& os, const CommandLineArgs& c) {
+ for (int i = 1; i < c.m_argc; ++i) {
+ os << ELPP_LITERAL("[") << c.m_argv[i] << ELPP_LITERAL("]");
+ if (i < c.m_argc - 1) {
+ os << ELPP_LITERAL(" ");
+ }
+ }
+ return os;
+ }
+
+ private:
+ int m_argc;
+ char** m_argv;
+ std::map<std::string, std::string> m_paramsWithValue;
+ std::vector<std::string> m_params;
+ };
+ /// @brief Abstract registry (aka repository) that provides basic interface for pointer repository specified by T_Ptr type.
+ ///
+ /// @detail Most of the functions are virtual final methods but anything implementing this abstract class should implement
+ /// unregisterAll() and deepCopy(const AbstractRegistry<T_Ptr, Container>&) and write registerNew() method according to container
+ /// and few more methods; get() to find element, unregister() to unregister single entry.
+ /// Please note that this is thread-unsafe and should also implement thread-safety mechanisms in implementation.
+ template <typename T_Ptr, typename Container>
+ class AbstractRegistry : public base::threading::ThreadSafe {
+ public:
+ typedef typename Container::iterator iterator;
+ typedef typename Container::const_iterator const_iterator;
+
+ /// @brief Default constructor
+ AbstractRegistry(void) {}
+
+ /// @brief Move constructor that is useful for base classes
+ AbstractRegistry(AbstractRegistry&& sr) {
+ if (this == &sr) {
+ return;
+ }
+ unregisterAll();
+ m_list = std::move(sr.m_list);
+ }
+
+ bool operator==(const AbstractRegistry<T_Ptr, Container>& other) {
+ if (size() != other.size()) {
+ return false;
+ }
+ for (std::size_t i = 0; i < m_list.size(); ++i) {
+ if (m_list.at(i) != other.m_list.at(i)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ bool operator!=(const AbstractRegistry<T_Ptr, Container>& other) {
+ if (size() != other.size()) {
+ return true;
+ }
+ for (std::size_t i = 0; i < m_list.size(); ++i) {
+ if (m_list.at(i) != other.m_list.at(i)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /// @brief Assignment move operator
+ AbstractRegistry& operator=(AbstractRegistry&& sr) {
+ if (this == &sr) {
+ return *this;
+ }
+ unregisterAll();
+ m_list = std::move(sr.m_list);
+ return *this;
+ }
+
+ virtual ~AbstractRegistry(void) {
+ }
+
+ /// @return Iterator pointer from start of repository
+ virtual inline iterator begin(void) ELPP_FINAL {
+ return m_list.begin();
+ }
+
+ /// @return Iterator pointer from end of repository
+ virtual inline iterator end(void) ELPP_FINAL {
+ return m_list.end();
+ }
+
+
+ /// @return Constant iterator pointer from start of repository
+ virtual inline const_iterator cbegin(void) const ELPP_FINAL {
+ return m_list.cbegin();
+ }
+
+ /// @return End of repository
+ virtual inline const_iterator cend(void) const ELPP_FINAL {
+ return m_list.cend();
+ }
+
+ /// @return Whether or not repository is empty
+ virtual inline bool empty(void) const ELPP_FINAL {
+ return m_list.empty();
+ }
+
+ /// @return Size of repository
+ virtual inline std::size_t size(void) const ELPP_FINAL {
+ return m_list.size();
+ }
+
+ /// @brief Returns underlying container by reference
+ virtual inline Container& list(void) ELPP_FINAL {
+ return m_list;
+ }
+
+ /// @brief Returns underlying container by constant reference.
+ virtual inline const Container& list(void) const ELPP_FINAL {
+ return m_list;
+ }
+
+ /// @brief Unregisters all the pointers from current repository.
+ virtual void unregisterAll(void) = 0;
+
+protected:
+ virtual void deepCopy(const AbstractRegistry<T_Ptr, Container>&) = 0;
+ void reinitDeepCopy(const AbstractRegistry<T_Ptr, Container>& sr) {
+ unregisterAll();
+ deepCopy(sr);
+ }
+
+private:
+ Container m_list;
+};
+
+/// @brief A pointer registry mechanism to manage memory and provide search functionalities. (non-predicate version)
+///
+/// @detail NOTE: This is thread-unsafe implementation (although it contains lock function, it does not use these functions)
+/// of AbstractRegistry<T_Ptr, Container>. Any implementation of this class should be
+/// explicitly (by using lock functions)
+template <typename T_Ptr, typename T_Key = const char*>
+class Registry : public AbstractRegistry<T_Ptr, std::map<T_Key, T_Ptr*>> {
+public:
+ typedef typename Registry<T_Ptr, T_Key>::iterator iterator;
+ typedef typename Registry<T_Ptr, T_Key>::const_iterator const_iterator;
+
+ Registry(void) {}
+
+ /// @brief Copy constructor that is useful for base classes. Try to avoid this constructor, use move constructor.
+ Registry(const Registry& sr) : AbstractRegistry<T_Ptr, std::vector<T_Ptr*>>() {
+ if (this == &sr) {
+ return;
+ }
+ this->reinitDeepCopy(sr);
+ }
+
+ /// @brief Assignment operator that unregisters all the existing registeries and deeply copies each of repo element
+ /// @see unregisterAll()
+ /// @see deepCopy(const AbstractRegistry&)
+ Registry& operator=(const Registry& sr) {
+ if (this == &sr) {
+ return *this;
+ }
+ this->reinitDeepCopy(sr);
+ return *this;
+ }
+
+ virtual ~Registry(void) {
+ unregisterAll();
+ }
+
+protected:
+ virtual inline void unregisterAll(void) ELPP_FINAL {
+ if (!this->empty()) {
+ for (auto&& curr : this->list()) {
+ base::utils::safeDelete(curr.second);
+ }
+ this->list().clear();
+ }
+}
+
+/// @brief Registers new registry to repository.
+virtual inline void registerNew(const T_Key& uniqKey, T_Ptr* ptr) ELPP_FINAL {
+unregister(uniqKey);
+this->list().insert(std::make_pair(uniqKey, ptr));
+}
+
+/// @brief Unregisters single entry mapped to specified unique key
+inline void unregister(const T_Key& uniqKey) {
+ T_Ptr* existing = get(uniqKey);
+ if (existing != nullptr) {
+ base::utils::safeDelete(existing);
+ this->list().erase(uniqKey);
+ }
+}
+
+/// @brief Gets pointer from repository. If none found, nullptr is returned.
+inline T_Ptr* get(const T_Key& uniqKey) {
+ iterator it = this->list().find(uniqKey);
+ return it == this->list().end()
+ ? nullptr
+ : it->second;
+}
+
+private:
+virtual inline void deepCopy(const AbstractRegistry<T_Ptr, std::map<T_Key, T_Ptr*>>& sr) ELPP_FINAL {
+for (const_iterator it = sr.cbegin(); it != sr.cend(); ++it) {
+ registerNew(it->first, new T_Ptr(*it->second));
+}
+}
+};
+
+/// @brief A pointer registry mechanism to manage memory and provide search functionalities. (predicate version)
+///
+/// @detail NOTE: This is thread-unsafe implementation of AbstractRegistry<T_Ptr, Container>. Any implementation of this class
+/// should be made thread-safe explicitly
+template <typename T_Ptr, typename Pred>
+class RegistryWithPred : public AbstractRegistry<T_Ptr, std::vector<T_Ptr*>> {
+public:
+ typedef typename RegistryWithPred<T_Ptr, Pred>::iterator iterator;
+ typedef typename RegistryWithPred<T_Ptr, Pred>::const_iterator const_iterator;
+
+ RegistryWithPred(void) {
+ }
+
+ virtual ~RegistryWithPred(void) {
+ unregisterAll();
+ }
+
+ /// @brief Copy constructor that is useful for base classes. Try to avoid this constructor, use move constructor.
+ RegistryWithPred(const RegistryWithPred& sr) : AbstractRegistry<T_Ptr, std::vector<T_Ptr*>>() {
+ if (this == &sr) {
+ return;
+ }
+ this->reinitDeepCopy(sr);
+ }
+
+ /// @brief Assignment operator that unregisters all the existing registeries and deeply copies each of repo element
+ /// @see unregisterAll()
+ /// @see deepCopy(const AbstractRegistry&)
+ RegistryWithPred& operator=(const RegistryWithPred& sr) {
+ if (this == &sr) {
+ return *this;
+ }
+ this->reinitDeepCopy(sr);
+ return *this;
+ }
+
+ friend inline base::type::ostream_t& operator<<(base::type::ostream_t& os, const RegistryWithPred& sr) {
+ for (const_iterator it = sr.list().begin(); it != sr.list().end(); ++it) {
+ os << ELPP_LITERAL(" ") << **it << ELPP_LITERAL("\n");
+ }
+ return os;
+ }
+
+protected:
+ virtual inline void unregisterAll(void) ELPP_FINAL {
+ if (!this->empty()) {
+ for (auto&& curr : this->list()) {
+ base::utils::safeDelete(curr);
+ }
+ this->list().clear();
+ }
+}
+
+virtual void unregister(T_Ptr*& ptr) ELPP_FINAL {
+if (ptr) {
+ iterator iter = this->begin();
+ for (; iter != this->end(); ++iter) {
+ if (ptr == *iter) {
+ break;
+ }
+ }
+ if (iter != this->end() && *iter != nullptr) {
+ this->list().erase(iter);
+ base::utils::safeDelete(*iter);
+ }
+}
+}
+
+virtual inline void registerNew(T_Ptr* ptr) ELPP_FINAL {
+this->list().push_back(ptr);
+}
+
+/// @brief Gets pointer from repository with speicifed arguments. Arguments are passed to predicate
+/// in order to validate pointer.
+template <typename T, typename T2>
+inline T_Ptr* get(const T& arg1, const T2 arg2) {
+ iterator iter = std::find_if(this->list().begin(), this->list().end(), Pred(arg1, arg2));
+ if (iter != this->list().end() && *iter != nullptr) {
+ return *iter;
+ }
+ return nullptr;
+}
+
+private:
+virtual inline void deepCopy(const AbstractRegistry<T_Ptr, std::vector<T_Ptr*>>& sr) {
+ for (const_iterator it = sr.list().begin(); it != sr.list().end(); ++it) {
+ registerNew(new T_Ptr(**it));
+ }
+}
+};
+
+} // namespace utils
+} // namespace base
+/// @brief Base of Easylogging++ friendly class
+///
+/// @detail After inheriting this class publicly, implement pure-virtual function `void log(std::ostream&) const`
+class Loggable {
+public:
+ virtual ~Loggable(void) {}
+ virtual void log(el::base::type::ostream_t&) const = 0;
+private:
+ friend inline el::base::type::ostream_t& operator<<(el::base::type::ostream_t& os, const Loggable& loggable) {
+ loggable.log(os);
+ return os;
+ }
+};
+namespace base {
+ /// @brief Represents log format containing flags and date format. This is used internally to start initial log
+ class LogFormat : public Loggable {
+ public:
+ LogFormat(void) :
+ m_level(Level::Unknown),
+ m_userFormat(base::type::string_t()),
+ m_format(base::type::string_t()),
+ m_dateTimeFormat(std::string()),
+ m_flags(0x0) {
+ }
+
+ LogFormat(Level level, const base::type::string_t& format)
+ : m_level(level), m_userFormat(format) {
+ parseFromFormat(m_userFormat);
+ }
+
+ LogFormat(const LogFormat& logFormat) {
+ m_level = logFormat.m_level;
+ m_userFormat = logFormat.m_userFormat;
+ m_format = logFormat.m_format;
+ m_dateTimeFormat = logFormat.m_dateTimeFormat;
+ m_flags = logFormat.m_flags;
+ }
+
+ LogFormat(LogFormat&& logFormat) {
+ m_level = std::move(logFormat.m_level);
+ m_userFormat = std::move(logFormat.m_userFormat);
+ m_format = std::move(logFormat.m_format);
+ m_dateTimeFormat = std::move(logFormat.m_dateTimeFormat);
+ m_flags = std::move(logFormat.m_flags);
+ }
+
+ LogFormat& operator=(const LogFormat& logFormat) {
+ m_level = logFormat.m_level;
+ m_userFormat = logFormat.m_userFormat;
+ m_dateTimeFormat = logFormat.m_dateTimeFormat;
+ m_flags = logFormat.m_flags;
+ return *this;
+ }
+
+ virtual ~LogFormat(void) {
+ }
+
+ inline bool operator==(const LogFormat& other) {
+ return m_level == other.m_level && m_userFormat == other.m_userFormat && m_format == other.m_format &&
+ m_dateTimeFormat == other.m_dateTimeFormat && m_flags == other.m_flags;
+ }
+
+ /// @brief Updates format to be used while logging.
+ /// @param userFormat User provided format
+ void parseFromFormat(const base::type::string_t& userFormat) {
+ // We make copy because we will be changing the format
+ // i.e, removing user provided date format from original format
+ // and then storing it.
+ base::type::string_t formatCopy = userFormat;
+ m_flags = 0x0;
+ auto conditionalAddFlag = [&](const base::type::char_t* specifier, base::FormatFlags flag) {
+ std::size_t foundAt = base::type::string_t::npos;
+ while ((foundAt = formatCopy.find(specifier, foundAt + 1)) != base::type::string_t::npos){
+ if (foundAt > 0 && formatCopy[foundAt - 1] == base::consts::kFormatSpecifierChar) {
+ if (hasFlag(flag)) {
+ // If we already have flag we remove the escape chars so that '%%' is turned to '%'
+ // even after specifier resolution - this is because we only replaceFirst specifier
+ formatCopy.erase(foundAt > 0 ? foundAt - 1 : 0, 1);
+ ++foundAt;
+ }
+ } else {
+ if (!hasFlag(flag)) addFlag(flag);
+ }
+ }
+ };
+ conditionalAddFlag(base::consts::kAppNameFormatSpecifier, base::FormatFlags::AppName);
+ conditionalAddFlag(base::consts::kSeverityLevelFormatSpecifier, base::FormatFlags::Level);
+ conditionalAddFlag(base::consts::kSeverityLevelShortFormatSpecifier, base::FormatFlags::LevelShort);
+ conditionalAddFlag(base::consts::kLoggerIdFormatSpecifier, base::FormatFlags::LoggerId);
+ conditionalAddFlag(base::consts::kThreadIdFormatSpecifier, base::FormatFlags::ThreadId);
+ conditionalAddFlag(base::consts::kLogFileFormatSpecifier, base::FormatFlags::File);
+ conditionalAddFlag(base::consts::kLogFileBaseFormatSpecifier, base::FormatFlags::FileBase);
+ conditionalAddFlag(base::consts::kLogLineFormatSpecifier, base::FormatFlags::Line);
+ conditionalAddFlag(base::consts::kLogLocationFormatSpecifier, base::FormatFlags::Location);
+ conditionalAddFlag(base::consts::kLogFunctionFormatSpecifier, base::FormatFlags::Function);
+ conditionalAddFlag(base::consts::kCurrentUserFormatSpecifier, base::FormatFlags::User);
+ conditionalAddFlag(base::consts::kCurrentHostFormatSpecifier, base::FormatFlags::Host);
+ conditionalAddFlag(base::consts::kMessageFormatSpecifier, base::FormatFlags::LogMessage);
+ conditionalAddFlag(base::consts::kVerboseLevelFormatSpecifier, base::FormatFlags::VerboseLevel);
+ // For date/time we need to extract user's date format first
+ std::size_t dateIndex = std::string::npos;
+ if ((dateIndex = formatCopy.find(base::consts::kDateTimeFormatSpecifier)) != std::string::npos) {
+ while (dateIndex > 0 && formatCopy[dateIndex - 1] == base::consts::kFormatSpecifierChar) {
+ dateIndex = formatCopy.find(base::consts::kDateTimeFormatSpecifier, dateIndex + 1);
+ }
+ if (dateIndex != std::string::npos) {
+ addFlag(base::FormatFlags::DateTime);
+ updateDateFormat(dateIndex, formatCopy);
+ }
+ }
+ m_format = formatCopy;
+ updateFormatSpec();
+ }
+
+ inline Level level(void) const {
+ return m_level;
+ }
+
+ inline const base::type::string_t& userFormat(void) const {
+ return m_userFormat;
+ }
+
+ inline const base::type::string_t& format(void) const {
+ return m_format;
+ }
+
+ inline const std::string& dateTimeFormat(void) const {
+ return m_dateTimeFormat;
+ }
+
+ inline base::type::EnumType flags(void) const {
+ return m_flags;
+ }
+
+ inline bool hasFlag(base::FormatFlags flag) const {
+ return base::utils::hasFlag(flag, m_flags);
+ }
+
+ virtual void log(el::base::type::ostream_t& os) const {
+ os << m_format;
+ }
+
+ protected:
+ /// @brief Updates date time format if available in currFormat.
+ /// @param index Index where %datetime, %date or %time was found
+ /// @param [in,out] currFormat current format that is being used to format
+ virtual void updateDateFormat(std::size_t index, base::type::string_t& currFormat) ELPP_FINAL {
+ if (hasFlag(base::FormatFlags::DateTime)) {
+ index += ELPP_STRLEN(base::consts::kDateTimeFormatSpecifier);
+ }
+ const base::type::char_t* ptr = currFormat.c_str() + index;
+ if ((currFormat.size() > index) && (ptr[0] == '{')) {
+ // User has provided format for date/time
+ ++ptr;
+ int count = 1; // Start by 1 in order to remove starting brace
+ std::stringstream ss;
+ for (; *ptr; ++ptr, ++count) {
+ if (*ptr == '}') {
+ ++count; // In order to remove ending brace
+ break;
+ }
+ ss << *ptr;
+ }
+ currFormat.erase(index, count);
+ m_dateTimeFormat = ss.str();
+ } else {
+ // No format provided, use default
+ if (hasFlag(base::FormatFlags::DateTime)) {
+ m_dateTimeFormat = std::string(base::consts::kDefaultDateTimeFormat);
+ }
+ }
+ }
+
+ /// @brief Updates %level from format. This is so that we dont have to do it at log-writing-time. It uses m_format and m_level
+ virtual void updateFormatSpec(void) ELPP_FINAL {
+ // Do not use switch over strongly typed enums because Intel C++ compilers dont support them yet.
+ if (m_level == Level::Debug) {
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier,
+ base::consts::kDebugLevelLogValue);
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier,
+ base::consts::kDebugLevelShortLogValue);
+ } else if (m_level == Level::Info) {
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier,
+ base::consts::kInfoLevelLogValue);
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier,
+ base::consts::kInfoLevelShortLogValue);
+ } else if (m_level == Level::Warning) {
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier,
+ base::consts::kWarningLevelLogValue);
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier,
+ base::consts::kWarningLevelShortLogValue);
+ } else if (m_level == Level::Error) {
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier,
+ base::consts::kErrorLevelLogValue);
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier,
+ base::consts::kErrorLevelShortLogValue);
+ } else if (m_level == Level::Fatal) {
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier,
+ base::consts::kFatalLevelLogValue);
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier,
+ base::consts::kFatalLevelShortLogValue);
+ } else if (m_level == Level::Verbose) {
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier,
+ base::consts::kVerboseLevelLogValue);
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier,
+ base::consts::kVerboseLevelShortLogValue);
+ } else if (m_level == Level::Trace) {
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelFormatSpecifier,
+ base::consts::kTraceLevelLogValue);
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kSeverityLevelShortFormatSpecifier,
+ base::consts::kTraceLevelShortLogValue);
+ }
+ if (hasFlag(base::FormatFlags::User)) {
+ std::string s = base::utils::s_currentUser;
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kCurrentUserFormatSpecifier,
+ base::utils::s_currentUser);
+ }
+ if (hasFlag(base::FormatFlags::Host)) {
+ base::utils::Str::replaceFirstWithEscape(m_format, base::consts::kCurrentHostFormatSpecifier,
+ base::utils::s_currentHost);
+ }
+ // Ignore Level::Global and Level::Unknown
+ }
+
+ inline void addFlag(base::FormatFlags flag) {
+ base::utils::addFlag(flag, &m_flags);
+ }
+
+ private:
+ Level m_level;
+ base::type::string_t m_userFormat;
+ base::type::string_t m_format;
+ std::string m_dateTimeFormat;
+ base::type::EnumType m_flags;
+ friend class el::Logger; // To resolve loggerId format specifier easily
+ };
+} // namespace base
+/// @brief Resolving function for format specifier
+typedef std::function<const char*(void)> FormatSpecifierValueResolver;
+/// @brief User-provided custom format specifier
+/// @see el::Helpers::installCustomFormatSpecifier
+/// @see FormatSpecifierValueResolver
+class CustomFormatSpecifier {
+public:
+ CustomFormatSpecifier(const char* formatSpecifier, const FormatSpecifierValueResolver& resolver) :
+ m_formatSpecifier(formatSpecifier), m_resolver(resolver) {}
+ inline const char* formatSpecifier(void) const { return m_formatSpecifier; }
+ inline const FormatSpecifierValueResolver& resolver(void) const { return m_resolver; }
+ inline bool operator==(const char* formatSpecifier) {
+ return strcmp(m_formatSpecifier, formatSpecifier) == 0;
+ }
+
+private:
+ const char* m_formatSpecifier;
+ FormatSpecifierValueResolver m_resolver;
+};
+/// @brief Represents single configuration that has representing level, configuration type and a string based value.
+///
+/// @detail String based value means any value either its boolean, integer or string itself, it will be embedded inside quotes
+/// and will be parsed later.
+///
+/// Consider some examples below:
+/// * el::Configuration confEnabledInfo(el::Level::Info, el::ConfigurationType::Enabled, "true");
+/// * el::Configuration confMaxLogFileSizeInfo(el::Level::Info, el::ConfigurationType::MaxLogFileSize, "2048");
+/// * el::Configuration confFilenameInfo(el::Level::Info, el::ConfigurationType::Filename, "/var/log/my.log");
+class Configuration : public Loggable {
+public:
+ Configuration(const Configuration& c) :
+ m_level(c.m_level),
+ m_configurationType(c.m_configurationType),
+ m_value(c.m_value) {
+ }
+
+ Configuration& operator=(const Configuration& c) {
+ m_level = c.m_level;
+ m_configurationType = c.m_configurationType;
+ m_value = c.m_value;
+ return *this;
+ }
+
+ virtual ~Configuration(void) {
+ }
+
+ /// @brief Full constructor used to sets value of configuration
+ Configuration(Level level, ConfigurationType configurationType, const std::string& value) :
+ m_level(level),
+ m_configurationType(configurationType),
+ m_value(value) {
+ }
+
+ /// @brief Gets level of current configuration
+ inline Level level(void) const {
+ return m_level;
+ }
+
+ /// @brief Gets configuration type of current configuration
+ inline ConfigurationType configurationType(void) const {
+ return m_configurationType;
+ }
+
+ /// @brief Gets string based configuration value
+ inline const std::string& value(void) const {
+ return m_value;
+ }
+
+ /// @brief Set string based configuration value
+ /// @param value Value to set. Values have to be std::string; For boolean values use "true", "false", for any integral values
+ /// use them in quotes. They will be parsed when configuring
+ inline void setValue(const std::string& value) {
+ m_value = value;
+ }
+
+ virtual inline void log(el::base::type::ostream_t& os) const {
+ os << LevelHelper::convertToString(m_level)
+ << ELPP_LITERAL(" ") << ConfigurationTypeHelper::convertToString(m_configurationType)
+ << ELPP_LITERAL(" = ") << m_value.c_str();
+ }
+
+ /// @brief Used to find configuration from configuration (pointers) repository. Avoid using it.
+ class Predicate {
+ public:
+ Predicate(Level level, ConfigurationType configurationType) :
+ m_level(level),
+ m_configurationType(configurationType) {
+ }
+
+ inline bool operator()(const Configuration* conf) const {
+ return ((conf != nullptr) && (conf->level() == m_level) && (conf->configurationType() == m_configurationType));
+ }
+
+ private:
+ Level m_level;
+ ConfigurationType m_configurationType;
+ };
+
+private:
+ Level m_level;
+ ConfigurationType m_configurationType;
+ std::string m_value;
+};
+
+/// @brief Thread-safe Configuration repository
+///
+/// @detail This repository represents configurations for all the levels and configuration type mapped to a value.
+class Configurations : public base::utils::RegistryWithPred<Configuration, Configuration::Predicate> {
+public:
+ /// @brief Default constructor with empty repository
+ Configurations(void) :
+ m_configurationFile(std::string()),
+ m_isFromFile(false) {
+ }
+
+ /// @brief Constructor used to set configurations using configuration file.
+ /// @param configurationFile Full path to configuration file
+ /// @param useDefaultsForRemaining Lets you set the remaining configurations to default.
+ /// @param base If provided, this configuration will be based off existing repository that this argument is pointing to.
+ /// @see parseFromFile(const std::string&, Configurations* base)
+ /// @see setRemainingToDefault()
+ Configurations(const std::string& configurationFile, bool useDefaultsForRemaining = true, Configurations* base = nullptr) :
+ m_configurationFile(configurationFile),
+ m_isFromFile(false) {
+ parseFromFile(configurationFile, base);
+ if (useDefaultsForRemaining) {
+ setRemainingToDefault();
+ }
+ }
+
+ virtual ~Configurations(void) {
+ }
+
+ /// @brief Parses configuration from file.
+ /// @param configurationFile Full path to configuration file
+ /// @param base Configurations to base new configuration repository off. This value is used when you want to use
+ /// existing Configurations to base all the values and then set rest of configuration via configuration file.
+ /// @return True if successfully parsed, false otherwise. You may define 'ELPP_DEBUG_ASSERT_FAILURE' to make sure you
+ /// do not proceed without successful parse.
+ inline bool parseFromFile(const std::string& configurationFile, Configurations* base = nullptr) {
+ // We initial assertion with true because if we have assertion diabled, we want to pass this
+ // check and if assertion is enabled we will have values re-assigned any way.
+ bool assertionPassed = true;
+ ELPP_ASSERT((assertionPassed = base::utils::File::pathExists(configurationFile.c_str(), true)),
+ "Configuration file [" << configurationFile << "] does not exist!");
+ if (!assertionPassed) {
+ return false;
+ }
+ bool success = Parser::parseFromFile(configurationFile, this, base);
+ m_isFromFile = success;
+ return success;
+ }
+
+ /// @brief Parse configurations from configuration string.
+ ///
+ /// @detail This configuration string has same syntax as configuration file contents. Make sure all the necessary
+ /// new line characters are provided.
+ /// @param base Configurations to base new configuration repository off. This value is used when you want to use
+ /// existing Configurations to base all the values and then set rest of configuration via configuration text.
+ /// @return True if successfully parsed, false otherwise. You may define 'ELPP_DEBUG_ASSERT_FAILURE' to make sure you
+ /// do not proceed without successful parse.
+ inline bool parseFromText(const std::string& configurationsString, Configurations* base = nullptr) {
+ bool success = Parser::parseFromText(configurationsString, this, base);
+ if (success) {
+ m_isFromFile = false;
+ }
+ return success;
+ }
+
+ /// @brief Sets configuration based-off an existing configurations.
+ /// @param base Pointer to existing configurations.
+ inline void setFromBase(Configurations* base) {
+ if (base == nullptr || base == this) {
+ return;
+ }
+ base::threading::ScopedLock scopedLock(base->lock());
+ for (Configuration*& conf : base->list()) {
+ set(conf);
+ }
+ }
+
+ /// @brief Determines whether or not specified configuration type exists in the repository.
+ ///
+ /// @detail Returns as soon as first level is found.
+ /// @param configurationType Type of configuration to check existence for.
+ bool hasConfiguration(ConfigurationType configurationType) {
+ base::type::EnumType lIndex = LevelHelper::kMinValid;
+ bool result = false;
+ LevelHelper::forEachLevel(&lIndex, [&](void) -> bool {
+ if (hasConfiguration(LevelHelper::castFromInt(lIndex), configurationType)) {
+ result = true;
+ }
+ return result;
+ });
+ return result;
+ }
+
+ /// @brief Determines whether or not specified configuration type exists for specified level
+ /// @param level Level to check
+ /// @param configurationType Type of configuration to check existence for.
+ inline bool hasConfiguration(Level level, ConfigurationType configurationType) {
+ base::threading::ScopedLock scopedLock(lock());
+#if ELPP_COMPILER_INTEL
+ // We cant specify template types here, Intel C++ throws compilation error
+ // "error: type name is not allowed"
+ return RegistryWithPred::get(level, configurationType) != nullptr;
+#else
+ return RegistryWithPred<Configuration, Configuration::Predicate>::get(level, configurationType) != nullptr;
+#endif // ELPP_COMPILER_INTEL
+ }
+
+ /// @brief Sets value of configuration for specified level.
+ ///
+ /// @detail Any existing configuration for specified level will be replaced. Also note that configuration types
+ /// ConfigurationType::MillisecondsWidth and ConfigurationType::PerformanceTracking will be ignored if not set for
+ /// Level::Global because these configurations are not dependant on level.
+ /// @param level Level to set configuration for (el::Level).
+ /// @param configurationType Type of configuration (el::ConfigurationType)
+ /// @param value A string based value. Regardless of what the data type of configuration is, it will always be string
+ /// from users' point of view. This is then parsed later to be used internally.
+ /// @see Configuration::setValue(const std::string& value)
+ /// @see el::Level
+ /// @see el::ConfigurationType
+ inline void set(Level level, ConfigurationType configurationType, const std::string& value) {
+ base::threading::ScopedLock scopedLock(lock());
+ unsafeSet(level, configurationType, value); // This is not unsafe anymore as we have locked mutex
+ if (level == Level::Global) {
+ unsafeSetGlobally(configurationType, value, false); // Again this is not unsafe either
+ }
+ }
+
+ /// @brief Sets single configuration based on other single configuration.
+ /// @see set(Level level, ConfigurationType configurationType, const std::string& value)
+ inline void set(Configuration* conf) {
+ if (conf == nullptr) {
+ return;
+ }
+ set(conf->level(), conf->configurationType(), conf->value());
+ }
+
+ inline Configuration* get(Level level, ConfigurationType configurationType) {
+ base::threading::ScopedLock scopedLock(lock());
+ return RegistryWithPred<Configuration, Configuration::Predicate>::get(level, configurationType);
+ }
+
+ /// @brief Sets configuration for all levels.
+ /// @param configurationType Type of configuration
+ /// @param value String based value
+ /// @see Configurations::set(Level level, ConfigurationType configurationType, const std::string& value)
+ inline void setGlobally(ConfigurationType configurationType, const std::string& value) {
+ setGlobally(configurationType, value, false);
+ }
+
+ /// @brief Clears repository so that all the configurations are unset
+ inline void clear(void) {
+ base::threading::ScopedLock scopedLock(lock());
+ unregisterAll();
+ }
+
+ /// @brief Gets configuration file used in parsing this configurations.
+ ///
+ /// @detail If this repository was set manually or by text this returns empty string.
+ inline const std::string& configurationFile(void) const {
+ return m_configurationFile;
+ }
+
+ /// @brief Sets configurations to "factory based" configurations.
+ void setToDefault(void) {
+ setGlobally(ConfigurationType::Enabled, std::string("true"), true);
+#if !defined(ELPP_NO_DEFAULT_LOG_FILE)
+ setGlobally(ConfigurationType::Filename, std::string(base::consts::kDefaultLogFile), true);
+#else
+ ELPP_UNUSED(base::consts::kDefaultLogFile);
+#endif // !defined(ELPP_NO_DEFAULT_LOG_FILE)
+ setGlobally(ConfigurationType::ToFile, std::string("true"), true);
+ setGlobally(ConfigurationType::ToStandardOutput, std::string("true"), true);
+ setGlobally(ConfigurationType::MillisecondsWidth, std::string("3"), true);
+ setGlobally(ConfigurationType::PerformanceTracking, std::string("true"), true);
+ setGlobally(ConfigurationType::MaxLogFileSize, std::string("0"), true);
+ setGlobally(ConfigurationType::LogFlushThreshold, std::string("0"), true);
+
+ setGlobally(ConfigurationType::Format, std::string("%datetime %level [%logger] %msg"), true);
+ set(Level::Debug, ConfigurationType::Format, std::string("%datetime %level [%logger] [%user@%host] [%func] [%loc] %msg"));
+ // INFO and WARNING are set to default by Level::Global
+ set(Level::Error, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg"));
+ set(Level::Fatal, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg"));
+ set(Level::Verbose, ConfigurationType::Format, std::string("%datetime %level-%vlevel [%logger] %msg"));
+ set(Level::Trace, ConfigurationType::Format, std::string("%datetime %level [%logger] [%func] [%loc] %msg"));
+ }
+
+ /// @brief Lets you set the remaining configurations to default.
+ ///
+ /// @detail By remaining, it means that the level/type a configuration does not exist for.
+ /// This function is useful when you want to minimize chances of failures, e.g, if you have a configuration file that sets
+ /// configuration for all the configurations except for Enabled or not, we use this so that ENABLED is set to default i.e,
+ /// true. If you dont do this explicitley (either by calling this function or by using second param in Constructor
+ /// and try to access a value, an error is thrown
+ void setRemainingToDefault(void) {
+ base::threading::ScopedLock scopedLock(lock());
+ unsafeSetIfNotExist(Level::Global, ConfigurationType::Enabled, std::string("true"));
+#if !defined(ELPP_NO_DEFAULT_LOG_FILE)
+ unsafeSetIfNotExist(Level::Global, ConfigurationType::Filename, std::string(base::consts::kDefaultLogFile));
+#endif // !defined(ELPP_NO_DEFAULT_LOG_FILE)
+ unsafeSetIfNotExist(Level::Global, ConfigurationType::ToFile, std::string("true"));
+ unsafeSetIfNotExist(Level::Global, ConfigurationType::ToStandardOutput, std::string("true"));
+ unsafeSetIfNotExist(Level::Global, ConfigurationType::MillisecondsWidth, std::string("3"));
+ unsafeSetIfNotExist(Level::Global, ConfigurationType::PerformanceTracking, std::string("true"));
+ unsafeSetIfNotExist(Level::Global, ConfigurationType::MaxLogFileSize, std::string("0"));
+ unsafeSetIfNotExist(Level::Global, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg"));
+ unsafeSetIfNotExist(Level::Debug, ConfigurationType::Format,
+ std::string("%datetime %level [%logger] [%user@%host] [%func] [%loc] %msg"));
+ // INFO and WARNING are set to default by Level::Global
+ unsafeSetIfNotExist(Level::Error, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg"));
+ unsafeSetIfNotExist(Level::Fatal, ConfigurationType::Format, std::string("%datetime %level [%logger] %msg"));
+ unsafeSetIfNotExist(Level::Verbose, ConfigurationType::Format, std::string("%datetime %level-%vlevel [%logger] %msg"));
+ unsafeSetIfNotExist(Level::Trace, ConfigurationType::Format, std::string("%datetime %level [%logger] [%func] [%loc] %msg"));
+ }
+
+ /// @brief Parser used internally to parse configurations from file or text.
+ ///
+ /// @detail This class makes use of base::utils::Str.
+ /// You should not need this unless you are working on some tool for Easylogging++
+ class Parser : base::StaticClass {
+ public:
+ /// @brief Parses configuration from file.
+ /// @param configurationFile Full path to configuration file
+ /// @param sender Sender configurations pointer. Usually 'this' is used from calling class
+ /// @param base Configurations to base new configuration repository off. This value is used when you want to use
+ /// existing Configurations to base all the values and then set rest of configuration via configuration file.
+ /// @return True if successfully parsed, false otherwise. You may define '_STOP_ON_FIRSTELPP_ASSERTION' to make sure you
+ /// do not proceed without successful parse.
+ static bool parseFromFile(const std::string& configurationFile, Configurations* sender, Configurations* base = nullptr) {
+ sender->setFromBase(base);
+ std::ifstream fileStream_(configurationFile.c_str(), std::ifstream::in);
+ ELPP_ASSERT(fileStream_.is_open(), "Unable to open configuration file [" << configurationFile << "] for parsing.");
+ bool parsedSuccessfully = false;
+ std::string line = std::string();
+ Level currLevel = Level::Unknown;
+ std::string currConfigStr = std::string();
+ std::string currLevelStr = std::string();
+ while (fileStream_.good()) {
+ std::getline(fileStream_, line);
+ parsedSuccessfully = parseLine(&line, &currConfigStr, &currLevelStr, &currLevel, sender);
+ ELPP_ASSERT(parsedSuccessfully, "Unable to parse configuration line: " << line);
+ }
+ return parsedSuccessfully;
+ }
+
+ /// @brief Parse configurations from configuration string.
+ ///
+ /// @detail This configuration string has same syntax as configuration file contents. Make sure all the necessary
+ /// new line characters are provided. You may define '_STOP_ON_FIRSTELPP_ASSERTION' to make sure you
+ /// do not proceed without successful parse (This is recommended)
+ /// @param configurationsString
+ /// @param sender Sender configurations pointer. Usually 'this' is used from calling class
+ /// @param base Configurations to base new configuration repository off. This value is used when you want to use
+ /// existing Configurations to base all the values and then set rest of configuration via configuration text.
+ /// @return True if successfully parsed, false otherwise.
+ static bool parseFromText(const std::string& configurationsString, Configurations* sender, Configurations* base = nullptr) {
+ sender->setFromBase(base);
+ bool parsedSuccessfully = false;
+ std::stringstream ss(configurationsString);
+ std::string line = std::string();
+ Level currLevel = Level::Unknown;
+ std::string currConfigStr = std::string();
+ std::string currLevelStr = std::string();
+ while (std::getline(ss, line)) {
+ parsedSuccessfully = parseLine(&line, &currConfigStr, &currLevelStr, &currLevel, sender);
+ ELPP_ASSERT(parsedSuccessfully, "Unable to parse configuration line: " << line);
+ }
+ return parsedSuccessfully;
+ }
+
+ private:
+ friend class el::Loggers;
+ static void ignoreComments(std::string* line) {
+ std::size_t foundAt = 0;
+ std::size_t quotesStart = line->find("\"");
+ std::size_t quotesEnd = std::string::npos;
+ if (quotesStart != std::string::npos) {
+ quotesEnd = line->find("\"", quotesStart + 1);
+ while (quotesEnd != std::string::npos && line->at(quotesEnd - 1) == '\\') {
+ // Do not erase slash yet - we will erase it in parseLine(..) while loop
+ quotesEnd = line->find("\"", quotesEnd + 2);
+ }
+ }
+ if ((foundAt = line->find(base::consts::kConfigurationComment)) != std::string::npos) {
+ if (foundAt < quotesEnd) {
+ foundAt = line->find(base::consts::kConfigurationComment, quotesEnd + 1);
+ }
+ *line = line->substr(0, foundAt);
+ }
+ }
+ static inline bool isLevel(const std::string& line) {
+ return base::utils::Str::startsWith(line, std::string(base::consts::kConfigurationLevel));
+ }
+
+ static inline bool isComment(const std::string& line) {
+ return base::utils::Str::startsWith(line, std::string(base::consts::kConfigurationComment));
+ }
+
+ static inline bool isConfig(const std::string& line) {
+ std::size_t assignment = line.find('=');
+ return line != "" &&
+ ((line[0] >= 65 && line[0] <= 90) || (line[0] >= 97 && line[0] <= 122)) &&
+ (assignment != std::string::npos) &&
+ (line.size() > assignment);
+ }
+
+ static bool parseLine(std::string* line, std::string* currConfigStr, std::string* currLevelStr, Level* currLevel, Configurations* conf) {
+ ConfigurationType currConfig = ConfigurationType::Unknown;
+ std::string currValue = std::string();
+ *line = base::utils::Str::trim(*line);
+ if (isComment(*line)) return true;
+ ignoreComments(line);
+ *line = base::utils::Str::trim(*line);
+ if (line->empty()) {
+ // Comment ignored
+ return true;
+ }
+ if (isLevel(*line)) {
+ if (line->size() <= 2) {
+ return true;
+ }
+ *currLevelStr = line->substr(1, line->size() - 2);
+ *currLevelStr = base::utils::Str::toUpper(*currLevelStr);
+ *currLevelStr = base::utils::Str::trim(*currLevelStr);
+ *currLevel = LevelHelper::convertFromString(currLevelStr->c_str());
+ return true;
+ }
+ if (isConfig(*line)) {
+ std::size_t assignment = line->find('=');
+ *currConfigStr = line->substr(0, assignment);
+ *currConfigStr = base::utils::Str::toUpper(*currConfigStr);
+ *currConfigStr = base::utils::Str::trim(*currConfigStr);
+ currConfig = ConfigurationTypeHelper::convertFromString(currConfigStr->c_str());
+ currValue = line->substr(assignment + 1);
+ currValue = base::utils::Str::trim(currValue);
+ std::size_t quotesStart = currValue.find("\"", 0);
+ std::size_t quotesEnd = std::string::npos;
+ if (quotesStart != std::string::npos) {
+ quotesEnd = currValue.find("\"", quotesStart + 1);
+ while (quotesEnd != std::string::npos && currValue.at(quotesEnd - 1) == '\\') {
+ currValue = currValue.erase(quotesEnd - 1, 1);
+ quotesEnd = currValue.find("\"", quotesEnd + 2);
+ }
+ }
+ if (quotesStart != std::string::npos && quotesEnd != std::string::npos) {
+ // Quote provided - check and strip if valid
+ ELPP_ASSERT((quotesStart < quotesEnd), "Configuration error - No ending quote found in ["
+ << currConfigStr << "]");
+ ELPP_ASSERT((quotesStart + 1 != quotesEnd), "Empty configuration value for [" << currConfigStr << "]");
+ if ((quotesStart != quotesEnd) && (quotesStart + 1 != quotesEnd)) {
+ // Explicit check in case if assertion is disabled
+ currValue = currValue.substr(quotesStart + 1, quotesEnd - 1);
+ }
+ }
+ }
+ ELPP_ASSERT(*currLevel != Level::Unknown, "Unrecognized severity level [" << *currLevelStr << "]");
+ ELPP_ASSERT(currConfig != ConfigurationType::Unknown, "Unrecognized configuration [" << *currConfigStr << "]");
+ if (*currLevel == Level::Unknown || currConfig == ConfigurationType::Unknown) {
+ return false; // unrecognizable level or config
+ }
+ conf->set(*currLevel, currConfig, currValue);
+ return true;
+ }
+ };
+
+private:
+ std::string m_configurationFile;
+ bool m_isFromFile;
+ friend class el::Loggers;
+
+ /// @brief Unsafely sets configuration if does not already exist
+ void unsafeSetIfNotExist(Level level, ConfigurationType configurationType, const std::string& value) {
+ Configuration* conf = RegistryWithPred<Configuration, Configuration::Predicate>::get(level, configurationType);
+ if (conf == nullptr) {
+ unsafeSet(level, configurationType, value);
+ }
+ }
+
+ /// @brief Thread unsafe set
+ void unsafeSet(Level level, ConfigurationType configurationType, const std::string& value) {
+ Configuration* conf = RegistryWithPred<Configuration, Configuration::Predicate>::get(level, configurationType);
+ if (conf == nullptr) {
+ registerNew(new Configuration(level, configurationType, value));
+ } else {
+ conf->setValue(value);
+ }
+ if (level == Level::Global) {
+ unsafeSetGlobally(configurationType, value, false);
+ }
+ }
+
+ /// @brief Sets configurations for all levels including Level::Global if includeGlobalLevel is true
+ /// @see Configurations::setGlobally(ConfigurationType configurationType, const std::string& value)
+ void setGlobally(ConfigurationType configurationType, const std::string& value, bool includeGlobalLevel) {
+ if (includeGlobalLevel) {
+ set(Level::Global, configurationType, value);
+ }
+ base::type::EnumType lIndex = LevelHelper::kMinValid;
+ LevelHelper::forEachLevel(&lIndex, [&](void) -> bool {
+ set(LevelHelper::castFromInt(lIndex), configurationType, value);
+ return false; // Do not break lambda function yet as we need to set all levels regardless
+ });
+ }
+
+ /// @brief Sets configurations (Unsafely) for all levels including Level::Global if includeGlobalLevel is true
+ /// @see Configurations::setGlobally(ConfigurationType configurationType, const std::string& value)
+ void unsafeSetGlobally(ConfigurationType configurationType, const std::string& value, bool includeGlobalLevel) {
+ if (includeGlobalLevel) {
+ unsafeSet(Level::Global, configurationType, value);
+ }
+ base::type::EnumType lIndex = LevelHelper::kMinValid;
+ LevelHelper::forEachLevel(&lIndex, [&](void) -> bool {
+ unsafeSet(LevelHelper::castFromInt(lIndex), configurationType, value);
+ return false; // Do not break lambda function yet as we need to set all levels regardless
+ });
+ }
+};
+
+namespace base {
+ typedef std::shared_ptr<base::type::fstream_t> FileStreamPtr;
+ typedef std::map<std::string, FileStreamPtr> LogStreamsReferenceMap;
+ /// @brief Configurations with data types.
+ ///
+ /// @detail el::Configurations have string based values. This is whats used internally in order to read correct configurations.
+ /// This is to perform faster while writing logs using correct configurations.
+ ///
+ /// This is thread safe and final class containing non-virtual destructor (means nothing should inherit this class)
+ class TypedConfigurations : public base::threading::ThreadSafe {
+ public:
+ /// @brief Constructor to initialize (construct) the object off el::Configurations
+ /// @param configurations Configurations pointer/reference to base this typed configurations off.
+ /// @param logStreamsReference Use ELPP->registeredLoggers()->logStreamsReference()
+ TypedConfigurations(Configurations* configurations, base::LogStreamsReferenceMap* logStreamsReference) {
+ m_configurations = configurations;
+ m_logStreamsReference = logStreamsReference;
+ build(m_configurations);
+ }
+
+ TypedConfigurations(const TypedConfigurations& other) {
+ this->m_configurations = other.m_configurations;
+ this->m_logStreamsReference = other.m_logStreamsReference;
+ build(m_configurations);
+ }
+
+ virtual ~TypedConfigurations(void) {
+ }
+
+ const Configurations* configurations(void) const {
+ return m_configurations;
+ }
+
+ inline bool enabled(Level level) {
+ return getConfigByVal<bool>(level, &m_enabledMap, "enabled");
+ }
+
+ inline bool toFile(Level level) {
+ return getConfigByVal<bool>(level, &m_toFileMap, "toFile");
+ }
+
+ inline const std::string& filename(Level level) {
+ return getConfigByRef<std::string>(level, &m_filenameMap, "filename");
+ }
+
+ inline bool toStandardOutput(Level level) {
+ return getConfigByVal<bool>(level, &m_toStandardOutputMap, "toStandardOutput");
+ }
+
+ inline const base::LogFormat& logFormat(Level level) {
+ return getConfigByRef<base::LogFormat>(level, &m_logFormatMap, "logFormat");
+ }
+
+ inline const base::MillisecondsWidth& millisecondsWidth(Level level = Level::Global) {
+ return getConfigByRef<base::MillisecondsWidth>(level, &m_millisecondsWidthMap, "millisecondsWidth");
+ }
+
+ inline bool performanceTracking(Level level = Level::Global) {
+ return getConfigByVal<bool>(level, &m_performanceTrackingMap, "performanceTracking");
+ }
+
+ inline base::type::fstream_t* fileStream(Level level) {
+ return getConfigByRef<base::FileStreamPtr>(level, &m_fileStreamMap, "fileStream").get();
+ }
+
+ inline std::size_t maxLogFileSize(Level level) {
+ return getConfigByVal<std::size_t>(level, &m_maxLogFileSizeMap, "maxLogFileSize");
+ }
+
+ inline std::size_t logFlushThreshold(Level level) {
+ return getConfigByVal<std::size_t>(level, &m_logFlushThresholdMap, "logFlushThreshold");
+ }
+
+ private:
+ Configurations* m_configurations;
+ std::map<Level, bool> m_enabledMap;
+ std::map<Level, bool> m_toFileMap;
+ std::map<Level, std::string> m_filenameMap;
+ std::map<Level, bool> m_toStandardOutputMap;
+ std::map<Level, base::LogFormat> m_logFormatMap;
+ std::map<Level, base::MillisecondsWidth> m_millisecondsWidthMap;
+ std::map<Level, bool> m_performanceTrackingMap;
+ std::map<Level, base::FileStreamPtr> m_fileStreamMap;
+ std::map<Level, std::size_t> m_maxLogFileSizeMap;
+ std::map<Level, std::size_t> m_logFlushThresholdMap;
+ base::LogStreamsReferenceMap* m_logStreamsReference;
+
+ friend class el::Helpers;
+ friend class el::base::MessageBuilder;
+ friend class el::base::Writer;
+ friend class el::base::DefaultLogDispatchCallback;
+ friend class el::base::LogDispatcher;
+
+ template <typename Conf_T>
+ inline Conf_T getConfigByVal(Level level, const std::map<Level, Conf_T>* confMap, const char* confName) {
+ base::threading::ScopedLock scopedLock(lock());
+ return unsafeGetConfigByVal(level, confMap, confName); // This is not unsafe anymore - mutex locked in scope
+ }
+
+ template <typename Conf_T>
+ inline Conf_T& getConfigByRef(Level level, std::map<Level, Conf_T>* confMap, const char* confName) {
+ base::threading::ScopedLock scopedLock(lock());
+ return unsafeGetConfigByRef(level, confMap, confName); // This is not unsafe anymore - mutex locked in scope
+ }
+
+ template <typename Conf_T>
+ inline Conf_T unsafeGetConfigByVal(Level level, const std::map<Level, Conf_T>* confMap, const char* confName) {
+ ELPP_UNUSED(confName);
+ typename std::map<Level, Conf_T>::const_iterator it = confMap->find(level);
+ if (it == confMap->end()) {
+ try {
+ return confMap->at(Level::Global);
+ } catch (...) {
+ ELPP_INTERNAL_ERROR("Unable to get configuration [" << confName << "] for level ["
+ << LevelHelper::convertToString(level) << "]"
+ << std::endl << "Please ensure you have properly configured logger.", false);
+ return Conf_T();
+ }
+ }
+ return it->second;
+ }
+
+ template <typename Conf_T>
+ inline Conf_T& unsafeGetConfigByRef(Level level, std::map<Level, Conf_T>* confMap, const char* confName) {
+ ELPP_UNUSED(confName);
+ typename std::map<Level, Conf_T>::iterator it = confMap->find(level);
+ if (it == confMap->end()) {
+ try {
+ return confMap->at(Level::Global);
+ } catch (...) {
+ ELPP_INTERNAL_ERROR("Unable to get configuration [" << confName << "] for level ["
+ << LevelHelper::convertToString(level) << "]"
+ << std::endl << "Please ensure you have properly configured logger.", false);
+ }
+ }
+ return it->second;
+ }
+
+ template <typename Conf_T>
+ void setValue(Level level, const Conf_T& value, std::map<Level, Conf_T>* confMap, bool includeGlobalLevel = true) {
+ // If map is empty and we are allowed to add into generic level (Level::Global), do it!
+ if (confMap->empty() && includeGlobalLevel) {
+ confMap->insert(std::make_pair(Level::Global, value));
+ return;
+ }
+ // If same value exist in generic level already, dont add it to explicit level
+ typename std::map<Level, Conf_T>::iterator it = confMap->find(Level::Global);
+ if (it != confMap->end() && it->second == value) {
+ return;
+ }
+ // Now make sure we dont double up values if we really need to add it to explicit level
+ it = confMap->find(level);
+ if (it == confMap->end()) {
+ // Value not found for level, add new
+ confMap->insert(std::make_pair(level, value));
+ } else {
+ // Value found, just update value
+ confMap->at(level) = value;
+ }
+ }
+
+ void build(Configurations* configurations) {
+ base::threading::ScopedLock scopedLock(lock());
+ auto getBool = [] (std::string boolStr) -> bool { // Pass by value for trimming
+ base::utils::Str::trim(boolStr);
+ return (boolStr == "TRUE" || boolStr == "true" || boolStr == "1");
+ };
+ std::vector<Configuration*> withFileSizeLimit;
+ for (Configurations::const_iterator it = configurations->begin(); it != configurations->end(); ++it) {
+ Configuration* conf = *it;
+ // We cannot use switch on strong enums because Intel C++ dont support them yet
+ if (conf->configurationType() == ConfigurationType::Enabled) {
+ setValue(conf->level(), getBool(conf->value()), &m_enabledMap);
+ } else if (conf->configurationType() == ConfigurationType::ToFile) {
+ setValue(conf->level(), getBool(conf->value()), &m_toFileMap);
+ } else if (conf->configurationType() == ConfigurationType::ToStandardOutput) {
+ setValue(conf->level(), getBool(conf->value()), &m_toStandardOutputMap);
+ } else if (conf->configurationType() == ConfigurationType::Filename) {
+ // We do not yet configure filename but we will configure in another
+ // loop. This is because if file cannot be created, we will force ToFile
+ // to be false. Because configuring logger is not necessarily performance
+ // sensative operation, we can live with another loop; (by the way this loop
+ // is not very heavy either)
+ } else if (conf->configurationType() == ConfigurationType::Format) {
+ setValue(conf->level(), base::LogFormat(conf->level(),
+ base::type::string_t(conf->value().begin(), conf->value().end())), &m_logFormatMap);
+ } else if (conf->configurationType() == ConfigurationType::MillisecondsWidth) {
+ setValue(Level::Global,
+ base::MillisecondsWidth(static_cast<int>(getULong(conf->value()))), &m_millisecondsWidthMap);
+ } else if (conf->configurationType() == ConfigurationType::PerformanceTracking) {
+ setValue(Level::Global, getBool(conf->value()), &m_performanceTrackingMap);
+ } else if (conf->configurationType() == ConfigurationType::MaxLogFileSize) {
+ setValue(conf->level(), static_cast<std::size_t>(getULong(conf->value())), &m_maxLogFileSizeMap);
+#if !defined(ELPP_NO_DEFAULT_LOG_FILE)
+ withFileSizeLimit.push_back(conf);
+#endif // !defined(ELPP_NO_DEFAULT_LOG_FILE)
+ } else if (conf->configurationType() == ConfigurationType::LogFlushThreshold) {
+ setValue(conf->level(), static_cast<std::size_t>(getULong(conf->value())), &m_logFlushThresholdMap);
+ }
+ }
+ // As mentioned early, we will now set filename configuration in separate loop to deal with non-existent files
+ for (Configurations::const_iterator it = configurations->begin(); it != configurations->end(); ++it) {
+ Configuration* conf = *it;
+ if (conf->configurationType() == ConfigurationType::Filename) {
+ insertFile(conf->level(), conf->value());
+ }
+ }
+ for (std::vector<Configuration*>::iterator conf = withFileSizeLimit.begin();
+ conf != withFileSizeLimit.end(); ++conf) {
+ // This is not unsafe as mutex is locked in currect scope
+ unsafeValidateFileRolling((*conf)->level(), base::defaultPreRollOutCallback);
+ }
+ }
+
+ unsigned long getULong(std::string confVal) {
+ bool valid = true;
+ base::utils::Str::trim(confVal);
+ valid = !confVal.empty() && std::find_if(confVal.begin(), confVal.end(),
+ [](char c) { return !base::utils::Str::isDigit(c); }) == confVal.end();
+ if (!valid) {
+ valid = false;
+ ELPP_ASSERT(valid, "Configuration value not a valid integer [" << confVal << "]");
+ return 0;
+ }
+ return atol(confVal.c_str());
+ }
+
+ std::string resolveFilename(const std::string& filename) {
+ std::string resultingFilename = filename;
+ std::size_t dateIndex = std::string::npos;
+ std::string dateTimeFormatSpecifierStr = std::string(base::consts::kDateTimeFormatSpecifierForFilename);
+ if ((dateIndex = resultingFilename.find(dateTimeFormatSpecifierStr.c_str())) != std::string::npos) {
+ while (dateIndex > 0 && resultingFilename[dateIndex - 1] == base::consts::kFormatSpecifierChar) {
+ dateIndex = resultingFilename.find(dateTimeFormatSpecifierStr.c_str(), dateIndex + 1);
+ }
+ if (dateIndex != std::string::npos) {
+ const char* ptr = resultingFilename.c_str() + dateIndex;
+ // Goto end of specifier
+ ptr += dateTimeFormatSpecifierStr.size();
+ std::string fmt;
+ if ((resultingFilename.size() > dateIndex) && (ptr[0] == '{')) {
+ // User has provided format for date/time
+ ++ptr;
+ int count = 1; // Start by 1 in order to remove starting brace
+ std::stringstream ss;
+ for (; *ptr; ++ptr, ++count) {
+ if (*ptr == '}') {
+ ++count; // In order to remove ending brace
+ break;
+ }
+ ss << *ptr;
+ }
+ resultingFilename.erase(dateIndex + dateTimeFormatSpecifierStr.size(), count);
+ fmt = ss.str();
+ } else {
+ fmt = std::string(base::consts::kDefaultDateTimeFormatInFilename);
+ }
+ base::MillisecondsWidth msWidth(3);
+ std::string now = base::utils::DateTime::getDateTime(fmt.c_str(), &msWidth);
+ base::utils::Str::replaceAll(now, '/', '-'); // Replace path element since we are dealing with filename
+ base::utils::Str::replaceAll(resultingFilename, dateTimeFormatSpecifierStr, now);
+ }
+ }
+ return resultingFilename;
+ }
+
+ void insertFile(Level level, const std::string& fullFilename) {
+ std::string resolvedFilename = resolveFilename(fullFilename);
+ if (resolvedFilename.empty()) {
+ std::cerr << "Could not load empty file for logging, please re-check your configurations for level ["
+ << LevelHelper::convertToString(level) << "]";
+ }
+ std::string filePath = base::utils::File::extractPathFromFilename(resolvedFilename, base::consts::kFilePathSeperator);
+ if (filePath.size() < resolvedFilename.size()) {
+ base::utils::File::createPath(filePath);
+ }
+ auto create = [&](Level level) {
+ base::LogStreamsReferenceMap::iterator filestreamIter = m_logStreamsReference->find(resolvedFilename);
+ base::type::fstream_t* fs = nullptr;
+ if (filestreamIter == m_logStreamsReference->end()) {
+ // We need a completely new stream, nothing to share with
+ fs = base::utils::File::newFileStream(resolvedFilename);
+ m_filenameMap.insert(std::make_pair(level, resolvedFilename));
+ m_fileStreamMap.insert(std::make_pair(level, base::FileStreamPtr(fs)));
+ m_logStreamsReference->insert(std::make_pair(resolvedFilename, base::FileStreamPtr(m_fileStreamMap.at(level))));
+ } else {
+ // Woops! we have an existing one, share it!
+ m_filenameMap.insert(std::make_pair(level, filestreamIter->first));
+ m_fileStreamMap.insert(std::make_pair(level, base::FileStreamPtr(filestreamIter->second)));
+ fs = filestreamIter->second.get();
+ }
+ if (fs == nullptr) {
+ // We display bad file error from newFileStream()
+ ELPP_INTERNAL_ERROR("Setting [TO_FILE] of ["
+ << LevelHelper::convertToString(level) << "] to FALSE", false);
+ setValue(level, false, &m_toFileMap);
+ }
+ };
+ // If we dont have file conf for any level, create it for Level::Global first
+ // otherwise create for specified level
+ create(m_filenameMap.empty() && m_fileStreamMap.empty() ? Level::Global : level);
+ }
+
+ bool unsafeValidateFileRolling(Level level, const PreRollOutCallback& PreRollOutCallback) {
+ base::type::fstream_t* fs = unsafeGetConfigByRef(level, &m_fileStreamMap, "fileStream").get();
+ if (fs == nullptr) {
+ return true;
+ }
+ std::size_t maxLogFileSize = unsafeGetConfigByVal(level, &m_maxLogFileSizeMap, "maxLogFileSize");
+ std::size_t currFileSize = base::utils::File::getSizeOfFile(fs);
+ if (maxLogFileSize != 0 && currFileSize >= maxLogFileSize) {
+ std::string fname = unsafeGetConfigByRef(level, &m_filenameMap, "filename");
+ ELPP_INTERNAL_INFO(1, "Truncating log file [" << fname << "] as a result of configurations for level ["
+ << LevelHelper::convertToString(level) << "]");
+ fs->close();
+ PreRollOutCallback(fname.c_str(), currFileSize);
+ fs->open(fname, std::fstream::out | std::fstream::trunc);
+ return true;
+ }
+ return false;
+ }
+
+ bool validateFileRolling(Level level, const PreRollOutCallback& PreRollOutCallback) {
+ base::threading::ScopedLock scopedLock(lock());
+ return unsafeValidateFileRolling(level, PreRollOutCallback);
+ }
+ };
+ /// @brief Class that keeps record of current line hit for occasional logging
+ class HitCounter {
+ public:
+ HitCounter(void) :
+ m_filename(""),
+ m_lineNumber(0),
+ m_hitCounts(0) {
+ }
+
+ HitCounter(const char* filename, unsigned long int lineNumber) :
+ m_filename(filename),
+ m_lineNumber(lineNumber),
+ m_hitCounts(0) {
+ }
+
+ HitCounter(const HitCounter& hitCounter) :
+ m_filename(hitCounter.m_filename),
+ m_lineNumber(hitCounter.m_lineNumber),
+ m_hitCounts(hitCounter.m_hitCounts) {
+ }
+
+ HitCounter& operator=(const HitCounter& hitCounter) {
+ m_filename = hitCounter.m_filename;
+ m_lineNumber = hitCounter.m_lineNumber;
+ m_hitCounts = hitCounter.m_hitCounts;
+ return *this;
+ }
+
+ virtual ~HitCounter(void) {
+ }
+
+ /// @brief Resets location of current hit counter
+ inline void resetLocation(const char* filename, unsigned long int lineNumber) {
+ m_filename = filename;
+ m_lineNumber = lineNumber;
+ }
+
+ /// @brief Validates hit counts and resets it if necessary
+ inline void validateHitCounts(std::size_t n) {
+ if (m_hitCounts >= base::consts::kMaxLogPerCounter) {
+ m_hitCounts = (n >= 1 ? base::consts::kMaxLogPerCounter % n : 0);
+ }
+ ++m_hitCounts;
+ }
+
+ inline const char* filename(void) const {
+ return m_filename;
+ }
+
+ inline unsigned long int lineNumber(void) const {
+ return m_lineNumber;
+ }
+
+ inline std::size_t hitCounts(void) const {
+ return m_hitCounts;
+ }
+
+ inline void increment(void) {
+ ++m_hitCounts;
+ }
+
+ class Predicate {
+ public:
+ Predicate(const char* filename, unsigned long int lineNumber)
+ : m_filename(filename),
+ m_lineNumber(lineNumber) {
+ }
+ inline bool operator()(const HitCounter* counter) {
+ return ((counter != nullptr) &&
+ (strcmp(counter->m_filename, m_filename) == 0) &&
+ (counter->m_lineNumber == m_lineNumber));
+ }
+
+ private:
+ const char* m_filename;
+ unsigned long int m_lineNumber;
+ };
+
+ private:
+ const char* m_filename;
+ unsigned long int m_lineNumber;
+ std::size_t m_hitCounts;
+ };
+ /// @brief Repository for hit counters used across the application
+ class RegisteredHitCounters : public base::utils::RegistryWithPred<base::HitCounter, base::HitCounter::Predicate> {
+ public:
+ /// @brief Validates counter for every N, i.e, registers new if does not exist otherwise updates original one
+ /// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned
+ bool validateEveryN(const char* filename, unsigned long int lineNumber, std::size_t n) {
+ base::threading::ScopedLock scopedLock(lock());
+ base::HitCounter* counter = get(filename, lineNumber);
+ if (counter == nullptr) {
+ registerNew(counter = new base::HitCounter(filename, lineNumber));
+ }
+ counter->validateHitCounts(n);
+ bool result = (n >= 1 && counter->hitCounts() != 0 && counter->hitCounts() % n == 0);
+ return result;
+ }
+
+ /// @brief Validates counter for hits >= N, i.e, registers new if does not exist otherwise updates original one
+ /// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned
+ bool validateAfterN(const char* filename, unsigned long int lineNumber, std::size_t n) {
+ base::threading::ScopedLock scopedLock(lock());
+ base::HitCounter* counter = get(filename, lineNumber);
+ if (counter == nullptr) {
+ registerNew(counter = new base::HitCounter(filename, lineNumber));
+ }
+ // Do not use validateHitCounts here since we do not want to reset counter here
+ // Note the >= instead of > because we are incrementing
+ // after this check
+ if (counter->hitCounts() >= n)
+ return true;
+ counter->increment();
+ return false;
+ }
+
+ /// @brief Validates counter for hits are <= n, i.e, registers new if does not exist otherwise updates original one
+ /// @return True if validation resulted in triggering hit. Meaning logs should be written everytime true is returned
+ bool validateNTimes(const char* filename, unsigned long int lineNumber, std::size_t n) {
+ base::threading::ScopedLock scopedLock(lock());
+ base::HitCounter* counter = get(filename, lineNumber);
+ if (counter == nullptr) {
+ registerNew(counter = new base::HitCounter(filename, lineNumber));
+ }
+ counter->increment();
+ // Do not use validateHitCounts here since we do not want to reset counter here
+ if (counter->hitCounts() <= n)
+ return true;
+ return false;
+ }
+
+ /// @brief Gets hit counter registered at specified position
+ inline const base::HitCounter* getCounter(const char* filename, unsigned long int lineNumber) {
+ base::threading::ScopedLock scopedLock(lock());
+ return get(filename, lineNumber);
+ }
+ };
+ /// @brief Action to be taken for dispatching
+ enum class DispatchAction : base::type::EnumType {
+ None = 1, NormalLog = 2, SysLog = 4
+ };
+ } // namespace base
+ template <typename T>
+ class Callback : protected base::threading::ThreadSafe {
+ public:
+ Callback(void) : m_enabled(true) {}
+ inline bool enabled(void) const { return m_enabled; }
+ inline void setEnabled(bool enabled) {
+ base::threading::ScopedLock scopedLock(lock());
+ m_enabled = enabled;
+ }
+ protected:
+ virtual void handle(const T* handlePtr) = 0;
+ private:
+ bool m_enabled;
+ };
+ class LogDispatchData {
+ public:
+ LogDispatchData() : m_logMessage(nullptr), m_dispatchAction(base::DispatchAction::None) {}
+ inline const LogMessage* logMessage(void) const { return m_logMessage; }
+ inline base::DispatchAction dispatchAction(void) const { return m_dispatchAction; }
+ private:
+ LogMessage* m_logMessage;
+ base::DispatchAction m_dispatchAction;
+ friend class base::LogDispatcher;
+
+ inline void setLogMessage(LogMessage* logMessage) { m_logMessage = logMessage; }
+ inline void setDispatchAction(base::DispatchAction dispatchAction) { m_dispatchAction = dispatchAction; }
+ };
+ class LogDispatchCallback : public Callback<LogDispatchData> {
+ private:
+ friend class base::LogDispatcher;
+ };
+ class PerformanceTrackingCallback : public Callback<PerformanceTrackingData> {
+ private:
+ friend class base::PerformanceTracker;
+ };
+ class LogBuilder : base::NoCopy {
+ public:
+ virtual ~LogBuilder(void) { ELPP_INTERNAL_INFO(3, "Destroying log builder...")}
+ virtual base::type::string_t build(const LogMessage* logMessage, bool appendNewLine) const = 0;
+ void convertToColoredOutput(base::type::string_t* logLine, Level level) {
+ if (!base::utils::s_termSupportsColor) return;
+ const base::type::char_t* resetColor = ELPP_LITERAL("\x1b[0m");
+ if (level == Level::Error || level == Level::Fatal)
+ *logLine = ELPP_LITERAL("\x1b[31m") + *logLine + resetColor;
+ else if (level == Level::Warning)
+ *logLine = ELPP_LITERAL("\x1b[33m") + *logLine + resetColor;
+ else if (level == Level::Debug)
+ *logLine = ELPP_LITERAL("\x1b[32m") + *logLine + resetColor;
+ else if (level == Level::Info)
+ *logLine = ELPP_LITERAL("\x1b[36m") + *logLine + resetColor;
+ else if (level == Level::Trace)
+ *logLine = ELPP_LITERAL("\x1b[35m") + *logLine + resetColor;
+ }
+ private:
+ friend class el::base::DefaultLogDispatchCallback;
+ };
+ typedef std::shared_ptr<LogBuilder> LogBuilderPtr;
+ /// @brief Represents a logger holding ID and configurations we need to write logs
+ ///
+ /// @detail This class does not write logs itself instead its used by writer to read configuations from.
+ class Logger : public base::threading::ThreadSafe, public Loggable {
+ public:
+ Logger(const std::string& id, base::LogStreamsReferenceMap* logStreamsReference) :
+ m_id(id),
+ m_typedConfigurations(nullptr),
+ m_parentApplicationName(std::string()),
+ m_isConfigured(false),
+ m_logStreamsReference(logStreamsReference) {
+ initUnflushedCount();
+ }
+
+ Logger(const std::string& id, const Configurations& configurations, base::LogStreamsReferenceMap* logStreamsReference) :
+ m_id(id),
+ m_typedConfigurations(nullptr),
+ m_parentApplicationName(std::string()),
+ m_isConfigured(false),
+ m_logStreamsReference(logStreamsReference) {
+ initUnflushedCount();
+ configure(configurations);
+ }
+
+ Logger(const Logger& logger) {
+ base::utils::safeDelete(m_typedConfigurations);
+ m_id = logger.m_id;
+ m_typedConfigurations = logger.m_typedConfigurations;
+ m_parentApplicationName = logger.m_parentApplicationName;
+ m_isConfigured = logger.m_isConfigured;
+ m_configurations = logger.m_configurations;
+ m_unflushedCount = logger.m_unflushedCount;
+ m_logStreamsReference = logger.m_logStreamsReference;
+ }
+
+ Logger& operator=(const Logger& logger) {
+ base::utils::safeDelete(m_typedConfigurations);
+ m_id = logger.m_id;
+ m_typedConfigurations = logger.m_typedConfigurations;
+ m_parentApplicationName = logger.m_parentApplicationName;
+ m_isConfigured = logger.m_isConfigured;
+ m_configurations = logger.m_configurations;
+ m_unflushedCount = logger.m_unflushedCount;
+ m_logStreamsReference = logger.m_logStreamsReference;
+ return *this;
+ }
+
+ virtual ~Logger(void) {
+ base::utils::safeDelete(m_typedConfigurations);
+ }
+
+ virtual inline void log(el::base::type::ostream_t& os) const {
+ os << m_id.c_str();
+ }
+
+ /// @brief Configures the logger using specified configurations.
+ void configure(const Configurations& configurations) {
+ m_isConfigured = false; // we set it to false in case if we fail
+ initUnflushedCount();
+ if (m_typedConfigurations != nullptr) {
+ Configurations* c = const_cast<Configurations*>(m_typedConfigurations->configurations());
+ if (c->hasConfiguration(Level::Global, ConfigurationType::Filename)) {
+ // This check is definitely needed for cases like ELPP_NO_DEFAULT_LOG_FILE
+ flush();
+ }
+ }
+ base::threading::ScopedLock scopedLock(lock());
+ if (m_configurations != configurations) {
+ m_configurations.setFromBase(const_cast<Configurations*>(&configurations));
+ }
+ base::utils::safeDelete(m_typedConfigurations);
+ m_typedConfigurations = new base::TypedConfigurations(&m_configurations, m_logStreamsReference);
+ resolveLoggerFormatSpec();
+ m_isConfigured = true;
+ }
+
+ /// @brief Reconfigures logger using existing configurations
+ inline void reconfigure(void) {
+ ELPP_INTERNAL_INFO(1, "Reconfiguring logger [" << m_id << "]");
+ configure(m_configurations);
+ }
+
+ inline const std::string& id(void) const {
+ return m_id;
+ }
+
+ inline const std::string& parentApplicationName(void) const {
+ return m_parentApplicationName;
+ }
+
+ inline void setParentApplicationName(const std::string& parentApplicationName) {
+ m_parentApplicationName = parentApplicationName;
+ }
+
+ inline Configurations* configurations(void) {
+ return &m_configurations;
+ }
+
+ inline base::TypedConfigurations* typedConfigurations(void) {
+ return m_typedConfigurations;
+ }
+
+ static inline bool isValidId(const std::string& id) {
+ for (std::string::const_iterator it = id.begin(); it != id.end(); ++it) {
+ if (!base::utils::Str::contains(base::consts::kValidLoggerIdSymbols, *it)) {
+ return false;
+ }
+ }
+ return true;
+ }
+ /// @brief Flushes logger to sync all log files for all levels
+ inline void flush(void) {
+ ELPP_INTERNAL_INFO(3, "Flushing logger [" << m_id << "] all levels");
+ base::threading::ScopedLock scopedLock(lock());
+ base::type::EnumType lIndex = LevelHelper::kMinValid;
+ LevelHelper::forEachLevel(&lIndex, [&](void) -> bool {
+ flush(LevelHelper::castFromInt(lIndex), nullptr);
+ return false;
+ });
+ }
+
+ inline void flush(Level level, base::type::fstream_t* fs) {
+ if (fs == nullptr && m_typedConfigurations->toFile(level)) {
+ fs = m_typedConfigurations->fileStream(level);
+ }
+ if (fs != nullptr) {
+ fs->flush();
+ m_unflushedCount.find(level)->second = 0;
+ }
+ }
+
+ inline bool isFlushNeeded(Level level) {
+ return ++m_unflushedCount.find(level)->second >= m_typedConfigurations->logFlushThreshold(level);
+ }
+
+ inline LogBuilder* logBuilder(void) const {
+ return m_logBuilder.get();
+ }
+
+ inline void setLogBuilder(const LogBuilderPtr& logBuilder) {
+ m_logBuilder = logBuilder;
+ }
+
+ inline bool enabled(Level level) const {
+ return m_typedConfigurations->enabled(level);
+ }
+
+#if ELPP_VARIADIC_TEMPLATES_SUPPORTED
+# define LOGGER_LEVEL_WRITERS_SIGNATURES(FUNCTION_NAME)\
+template <typename T, typename... Args>\
+inline void FUNCTION_NAME(const char*, const T&, const Args&...);\
+template <typename T>\
+inline void FUNCTION_NAME(const T&);
+
+ template <typename T, typename... Args>
+ inline void verbose(int, const char*, const T&, const Args&...);
+
+ template <typename T>
+ inline void verbose(int, const T&);
+
+ LOGGER_LEVEL_WRITERS_SIGNATURES(info)
+ LOGGER_LEVEL_WRITERS_SIGNATURES(debug)
+ LOGGER_LEVEL_WRITERS_SIGNATURES(warn)
+ LOGGER_LEVEL_WRITERS_SIGNATURES(error)
+ LOGGER_LEVEL_WRITERS_SIGNATURES(fatal)
+ LOGGER_LEVEL_WRITERS_SIGNATURES(trace)
+# undef LOGGER_LEVEL_WRITERS_SIGNATURES
+#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED
+ private:
+ std::string m_id;
+ base::TypedConfigurations* m_typedConfigurations;
+ base::type::stringstream_t m_stream;
+ std::string m_parentApplicationName;
+ bool m_isConfigured;
+ Configurations m_configurations;
+ std::map<Level, unsigned int> m_unflushedCount;
+ base::LogStreamsReferenceMap* m_logStreamsReference;
+ LogBuilderPtr m_logBuilder;
+
+ friend class el::LogMessage;
+ friend class el::Loggers;
+ friend class el::Helpers;
+ friend class el::base::RegisteredLoggers;
+ friend class el::base::DefaultLogDispatchCallback;
+ friend class el::base::MessageBuilder;
+ friend class el::base::Writer;
+ friend class el::base::PErrorWriter;
+ friend class el::base::Storage;
+ friend class el::base::PerformanceTracker;
+ friend class el::base::LogDispatcher;
+
+ Logger(void);
+
+#if ELPP_VARIADIC_TEMPLATES_SUPPORTED
+ template <typename T, typename... Args>
+ void log_(Level, int, const char*, const T&, const Args&...);
+
+ template <typename T>
+ inline void log_(Level, int, const T&);
+
+ template <typename T, typename... Args>
+ void log(Level, const char*, const T&, const Args&...);
+
+ template <typename T>
+ inline void log(Level, const T&);
+#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED
+
+ void initUnflushedCount(void) {
+ m_unflushedCount.clear();
+ base::type::EnumType lIndex = LevelHelper::kMinValid;
+ LevelHelper::forEachLevel(&lIndex, [&](void) -> bool {
+ m_unflushedCount.insert(std::make_pair(LevelHelper::castFromInt(lIndex), 0));
+ return false;
+ });
+ }
+
+ inline base::type::stringstream_t& stream(void) {
+ return m_stream;
+ }
+
+ void resolveLoggerFormatSpec(void) const {
+ base::type::EnumType lIndex = LevelHelper::kMinValid;
+ LevelHelper::forEachLevel(&lIndex, [&](void) -> bool {
+ base::LogFormat* logFormat =
+ const_cast<base::LogFormat*>(&m_typedConfigurations->logFormat(LevelHelper::castFromInt(lIndex)));
+ base::utils::Str::replaceFirstWithEscape(logFormat->m_format, base::consts::kLoggerIdFormatSpecifier, m_id);
+ return false;
+ });
+ }
+ };
+ namespace base {
+ /// @brief Loggers repository
+ class RegisteredLoggers : public base::utils::Registry<Logger, std::string> {
+ public:
+ explicit RegisteredLoggers(const LogBuilderPtr& defaultLogBuilder) :
+ m_defaultLogBuilder(defaultLogBuilder) {
+ m_defaultConfigurations.setToDefault();
+ }
+
+ virtual ~RegisteredLoggers(void) {
+ unsafeFlushAll();
+ }
+
+ inline void setDefaultConfigurations(const Configurations& configurations) {
+ base::threading::ScopedLock scopedLock(lock());
+ m_defaultConfigurations.setFromBase(const_cast<Configurations*>(&configurations));
+ }
+
+ inline Configurations* defaultConfigurations(void) {
+ return &m_defaultConfigurations;
+ }
+
+ Logger* get(const std::string& id, bool forceCreation = true) {
+ base::threading::ScopedLock scopedLock(lock());
+ Logger* logger_ = base::utils::Registry<Logger, std::string>::get(id);
+ if (logger_ == nullptr && forceCreation) {
+ bool validId = Logger::isValidId(id);
+ if (!validId) {
+ ELPP_ASSERT(validId, "Invalid logger ID [" << id << "]. Not registering this logger.");
+ return nullptr;
+ }
+ logger_ = new Logger(id, m_defaultConfigurations, &m_logStreamsReference);
+ logger_->m_logBuilder = m_defaultLogBuilder;
+ registerNew(id, logger_);
+ }
+ return logger_;
+ }
+
+ bool remove(const std::string& id) {
+ if (id == "default") {
+ return false;
+ }
+ Logger* logger = base::utils::Registry<Logger, std::string>::get(id);
+ if (logger != nullptr) {
+ unregister(logger);
+ }
+ return true;
+ }
+
+ inline bool has(const std::string& id) {
+ return get(id, false) != nullptr;
+ }
+
+ inline void unregister(Logger*& logger) {
+ base::threading::ScopedLock scopedLock(lock());
+ base::utils::Registry<Logger, std::string>::unregister(logger->id());
+ }
+
+ inline base::LogStreamsReferenceMap* logStreamsReference(void) {
+ return &m_logStreamsReference;
+ }
+
+ inline void flushAll(void) {
+ base::threading::ScopedLock scopedLock(lock());
+ unsafeFlushAll();
+ }
+
+ private:
+ LogBuilderPtr m_defaultLogBuilder;
+ Configurations m_defaultConfigurations;
+ base::LogStreamsReferenceMap m_logStreamsReference;
+ friend class el::base::Storage;
+
+ inline void unsafeFlushAll(void) {
+ ELPP_INTERNAL_INFO(1, "Flushing all log files");
+ for (base::LogStreamsReferenceMap::iterator it = m_logStreamsReference.begin();
+ it != m_logStreamsReference.end(); ++it) {
+ if (it->second.get() == nullptr) continue;
+ it->second->flush();
+ }
+ }
+ };
+ /// @brief Represents registries for verbose logging
+ class VRegistry : base::NoCopy, public base::threading::ThreadSafe {
+ public:
+ explicit VRegistry(base::type::VerboseLevel level, base::type::EnumType* pFlags) : m_level(level), m_pFlags(pFlags) {
+ }
+
+ /// @brief Sets verbose level. Accepted range is 0-9
+ inline void setLevel(base::type::VerboseLevel level) {
+ base::threading::ScopedLock scopedLock(lock());
+ if (level < 0)
+ m_level = 0;
+ else if (level > 9)
+ m_level = base::consts::kMaxVerboseLevel;
+ else
+ m_level = level;
+ }
+
+ inline base::type::VerboseLevel level(void) const {
+ return m_level;
+ }
+
+ inline void clearModules(void) {
+ base::threading::ScopedLock scopedLock(lock());
+ m_modules.clear();
+ }
+
+ void setModules(const char* modules) {
+ base::threading::ScopedLock scopedLock(lock());
+ auto addSuffix = [](std::stringstream& ss, const char* sfx, const char* prev) {
+ if (prev != nullptr && base::utils::Str::endsWith(ss.str(), std::string(prev))) {
+ std::string chr(ss.str().substr(0, ss.str().size() - strlen(prev)));
+ ss.str(std::string(""));
+ ss << chr;
+ }
+ if (base::utils::Str::endsWith(ss.str(), std::string(sfx))) {
+ std::string chr(ss.str().substr(0, ss.str().size() - strlen(sfx)));
+ ss.str(std::string(""));
+ ss << chr;
+ }
+ ss << sfx;
+ };
+ auto insert = [&](std::stringstream& ss, base::type::VerboseLevel level) {
+ if (!base::utils::hasFlag(LoggingFlag::DisableVModulesExtensions, *m_pFlags)) {
+ addSuffix(ss, ".h", nullptr);
+ m_modules.insert(std::make_pair(ss.str(), level));
+ addSuffix(ss, ".c", ".h");
+ m_modules.insert(std::make_pair(ss.str(), level));
+ addSuffix(ss, ".cpp", ".c");
+ m_modules.insert(std::make_pair(ss.str(), level));
+ addSuffix(ss, ".cc", ".cpp");
+ m_modules.insert(std::make_pair(ss.str(), level));
+ addSuffix(ss, ".cxx", ".cc");
+ m_modules.insert(std::make_pair(ss.str(), level));
+ addSuffix(ss, ".-inl.h", ".cxx");
+ m_modules.insert(std::make_pair(ss.str(), level));
+ addSuffix(ss, ".hxx", ".-inl.h");
+ m_modules.insert(std::make_pair(ss.str(), level));
+ addSuffix(ss, ".hpp", ".hxx");
+ m_modules.insert(std::make_pair(ss.str(), level));
+ addSuffix(ss, ".hh", ".hpp");
+ }
+ m_modules.insert(std::make_pair(ss.str(), level));
+ };
+ bool isMod = true;
+ bool isLevel = false;
+ std::stringstream ss;
+ int level = -1;
+ for (; *modules; ++modules) {
+ switch (*modules) {
+ case '=':
+ isLevel = true;
+ isMod = false;
+ break;
+ case ',':
+ isLevel = false;
+ isMod = true;
+ if (!ss.str().empty() && level != -1) {
+ insert(ss, level);
+ ss.str(std::string(""));
+ level = -1;
+ }
+ break;
+ default:
+ if (isMod) {
+ ss << *modules;
+ } else if (isLevel) {
+ if (isdigit(*modules)) {
+ level = static_cast<base::type::VerboseLevel>(*modules) - 48;
+ }
+ }
+ break;
+ }
+ }
+ if (!ss.str().empty() && level != -1) {
+ insert(ss, level);
+ }
+ }
+
+ bool allowed(base::type::VerboseLevel vlevel, const char* file) {
+ base::threading::ScopedLock scopedLock(lock());
+ if (m_modules.empty() || file == nullptr) {
+ return vlevel <= m_level;
+ } else {
+ std::map<std::string, base::type::VerboseLevel>::iterator it = m_modules.begin();
+ for (; it != m_modules.end(); ++it) {
+ if (base::utils::Str::wildCardMatch(file, it->first.c_str())) {
+ return vlevel <= it->second;
+ }
+ }
+ if (base::utils::hasFlag(LoggingFlag::AllowVerboseIfModuleNotSpecified, *m_pFlags)) {
+ return true;
+ }
+ return false;
+ }
+ }
+
+ inline const std::map<std::string, base::type::VerboseLevel>& modules(void) const {
+ return m_modules;
+ }
+
+ void setFromArgs(const base::utils::CommandLineArgs* commandLineArgs) {
+ if (commandLineArgs->hasParam("-v") || commandLineArgs->hasParam("--verbose") ||
+ commandLineArgs->hasParam("-V") || commandLineArgs->hasParam("--VERBOSE")) {
+ setLevel(base::consts::kMaxVerboseLevel);
+ } else if (commandLineArgs->hasParamWithValue("--v")) {
+ setLevel(atoi(commandLineArgs->getParamValue("--v")));
+ } else if (commandLineArgs->hasParamWithValue("--V")) {
+ setLevel(atoi(commandLineArgs->getParamValue("--V")));
+ } else if ((commandLineArgs->hasParamWithValue("-vmodule")) && vModulesEnabled()) {
+ setModules(commandLineArgs->getParamValue("-vmodule"));
+ } else if (commandLineArgs->hasParamWithValue("-VMODULE") && vModulesEnabled()) {
+ setModules(commandLineArgs->getParamValue("-VMODULE"));
+ }
+ }
+
+ /// @brief Whether or not vModules enabled
+ inline bool vModulesEnabled(void) {
+ return !base::utils::hasFlag(LoggingFlag::DisableVModules, *m_pFlags);
+ }
+
+ private:
+ base::type::VerboseLevel m_level;
+ base::type::EnumType* m_pFlags;
+ std::map<std::string, base::type::VerboseLevel> m_modules;
+ };
+ } // namespace base
+ class LogMessage {
+ public:
+ LogMessage(Level level, const std::string& file, unsigned long int line, const std::string& func,
+ base::type::VerboseLevel verboseLevel, Logger* logger) :
+ m_level(level), m_file(file), m_line(line), m_func(func),
+ m_verboseLevel(verboseLevel), m_logger(logger), m_message(logger->stream().str()) {
+ }
+ inline Level level(void) const { return m_level; }
+ inline const std::string& file(void) const { return m_file; }
+ inline unsigned long int line(void) const { return m_line; } // NOLINT
+ inline const std::string& func(void) const { return m_func; }
+ inline base::type::VerboseLevel verboseLevel(void) const { return m_verboseLevel; }
+ inline Logger* logger(void) const { return m_logger; }
+ inline const base::type::string_t& message(void) const { return m_message; }
+ private:
+ Level m_level;
+ std::string m_file;
+ unsigned long int m_line;
+ std::string m_func;
+ base::type::VerboseLevel m_verboseLevel;
+ Logger* m_logger;
+ base::type::string_t m_message;
+ };
+ namespace base {
+#if ELPP_ASYNC_LOGGING
+ class AsyncLogItem {
+ public:
+ explicit AsyncLogItem(const LogMessage& logMessage, const LogDispatchData& data, const base::type::string_t& logLine)
+ : m_logMessage(logMessage), m_dispatchData(data), m_logLine(logLine) {}
+ virtual ~AsyncLogItem() {}
+ inline LogMessage* logMessage(void) { return &m_logMessage; }
+ inline LogDispatchData* data(void) { return &m_dispatchData; }
+ inline base::type::string_t logLine(void) { return m_logLine; }
+ private:
+ LogMessage m_logMessage;
+ LogDispatchData m_dispatchData;
+ base::type::string_t m_logLine;
+ };
+ class AsyncLogQueue : public base::threading::ThreadSafe {
+ public:
+ virtual ~AsyncLogQueue() {
+ ELPP_INTERNAL_INFO(6, "~AsyncLogQueue");
+ }
+
+ inline AsyncLogItem next(void) {
+ base::threading::ScopedLock scopedLock(lock());
+ AsyncLogItem result = m_queue.front();
+ m_queue.pop();
+ return result;
+ }
+
+ inline void push(const AsyncLogItem& item) {
+ base::threading::ScopedLock scopedLock(lock());
+ m_queue.push(item);
+ }
+ inline void pop(void) {
+ base::threading::ScopedLock scopedLock(lock());
+ m_queue.pop();
+ }
+ inline AsyncLogItem front(void) {
+ base::threading::ScopedLock scopedLock(lock());
+ return m_queue.front();
+ }
+ inline bool empty(void) {
+ base::threading::ScopedLock scopedLock(lock());
+ return m_queue.empty();
+ }
+ private:
+ std::queue<AsyncLogItem> m_queue;
+ };
+ class IWorker {
+ public:
+ virtual ~IWorker() {}
+ virtual void start() = 0;
+ };
+#endif // ELPP_ASYNC_LOGGING
+ /// @brief Easylogging++ management storage
+ class Storage : base::NoCopy, public base::threading::ThreadSafe {
+ public:
+#if ELPP_ASYNC_LOGGING
+ Storage(const LogBuilderPtr& defaultLogBuilder, base::IWorker* asyncDispatchWorker) :
+#else
+ explicit Storage(const LogBuilderPtr& defaultLogBuilder) :
+#endif // ELPP_ASYNC_LOGGING
+ m_registeredHitCounters(new base::RegisteredHitCounters()),
+ m_registeredLoggers(new base::RegisteredLoggers(defaultLogBuilder)),
+ m_flags(0x0),
+ m_vRegistry(new base::VRegistry(0, &m_flags)),
+#if ELPP_ASYNC_LOGGING
+ m_asyncLogQueue(new base::AsyncLogQueue()),
+ m_asyncDispatchWorker(asyncDispatchWorker),
+#endif // ELPP_ASYNC_LOGGING
+ m_preRollOutCallback(base::defaultPreRollOutCallback) {
+ // Register default logger
+ m_registeredLoggers->get(std::string(base::consts::kDefaultLoggerId));
+ // Register performance logger and reconfigure format
+ Logger* performanceLogger = m_registeredLoggers->get(std::string(base::consts::kPerformanceLoggerId));
+ performanceLogger->configurations()->setGlobally(ConfigurationType::Format, std::string("%datetime %level %msg"));
+ performanceLogger->reconfigure();
+#if defined(ELPP_SYSLOG)
+ // Register syslog logger and reconfigure format
+ Logger* sysLogLogger = m_registeredLoggers->get(std::string(base::consts::kSysLogLoggerId));
+ sysLogLogger->configurations()->setGlobally(ConfigurationType::Format, std::string("%level: %msg"));
+ sysLogLogger->reconfigure();
+#endif // defined(ELPP_SYSLOG)
+ addFlag(LoggingFlag::AllowVerboseIfModuleNotSpecified);
+#if ELPP_ASYNC_LOGGING
+ installLogDispatchCallback<base::AsyncLogDispatchCallback>(std::string("AsyncLogDispatchCallback"));
+#else
+ installLogDispatchCallback<base::DefaultLogDispatchCallback>(std::string("DefaultLogDispatchCallback"));
+#endif // ELPP_ASYNC_LOGGING
+ installPerformanceTrackingCallback<base::DefaultPerformanceTrackingCallback>(std::string("DefaultPerformanceTrackingCallback"));
+ ELPP_INTERNAL_INFO(1, "Easylogging++ has been initialized");
+#if ELPP_ASYNC_LOGGING
+ m_asyncDispatchWorker->start();
+#endif // ELPP_ASYNC_LOGGING
+ }
+
+ virtual ~Storage(void) {
+ ELPP_INTERNAL_INFO(4, "Destroying storage");
+#if ELPP_ASYNC_LOGGING
+ ELPP_INTERNAL_INFO(5, "Replacing log dispatch callback to synchronous");
+ uninstallLogDispatchCallback<base::AsyncLogDispatchCallback>(std::string("AsyncLogDispatchCallback"));
+ installLogDispatchCallback<base::DefaultLogDispatchCallback>(std::string("DefaultLogDispatchCallback"));
+ ELPP_INTERNAL_INFO(5, "Destroying asyncDispatchWorker");
+ base::utils::safeDelete(m_asyncDispatchWorker);
+ ELPP_INTERNAL_INFO(5, "Destroying asyncLogQueue");
+ base::utils::safeDelete(m_asyncLogQueue);
+#endif // ELPP_ASYNC_LOGGING
+ ELPP_INTERNAL_INFO(5, "Destroying registeredHitCounters");
+ base::utils::safeDelete(m_registeredHitCounters);
+ ELPP_INTERNAL_INFO(5, "Destroying registeredLoggers");
+ base::utils::safeDelete(m_registeredLoggers);
+ ELPP_INTERNAL_INFO(5, "Destroying vRegistry");
+ base::utils::safeDelete(m_vRegistry);
+ }
+
+ inline bool validateEveryNCounter(const char* filename, unsigned long int lineNumber, std::size_t occasion) {
+ return hitCounters()->validateEveryN(filename, lineNumber, occasion);
+ }
+
+ inline bool validateAfterNCounter(const char* filename, unsigned long int lineNumber, std::size_t n) { // NOLINT
+ return hitCounters()->validateAfterN(filename, lineNumber, n);
+ }
+
+ inline bool validateNTimesCounter(const char* filename, unsigned long int lineNumber, std::size_t n) { // NOLINT
+ return hitCounters()->validateNTimes(filename, lineNumber, n);
+ }
+
+ inline base::RegisteredHitCounters* hitCounters(void) const {
+ return m_registeredHitCounters;
+ }
+
+ inline base::RegisteredLoggers* registeredLoggers(void) const {
+ return m_registeredLoggers;
+ }
+
+ inline base::VRegistry* vRegistry(void) const {
+ return m_vRegistry;
+ }
+
+#if ELPP_ASYNC_LOGGING
+ inline base::AsyncLogQueue* asyncLogQueue(void) const {
+ return m_asyncLogQueue;
+ }
+#endif // ELPP_ASYNC_LOGGING
+
+ inline const base::utils::CommandLineArgs* commandLineArgs(void) const {
+ return &m_commandLineArgs;
+ }
+
+ inline void addFlag(LoggingFlag flag) {
+ base::utils::addFlag(flag, &m_flags);
+ }
+
+ inline void removeFlag(LoggingFlag flag) {
+ base::utils::removeFlag(flag, &m_flags);
+ }
+
+ inline bool hasFlag(LoggingFlag flag) const {
+ return base::utils::hasFlag(flag, m_flags);
+ }
+
+ inline base::type::EnumType flags(void) const {
+ return m_flags;
+ }
+
+ inline void setFlags(base::type::EnumType flags) {
+ m_flags = flags;
+ }
+
+ inline void setPreRollOutCallback(const PreRollOutCallback& callback) {
+ m_preRollOutCallback = callback;
+ }
+
+ inline void unsetPreRollOutCallback(void) {
+ m_preRollOutCallback = base::defaultPreRollOutCallback;
+ }
+
+ inline PreRollOutCallback& preRollOutCallback(void) {
+ return m_preRollOutCallback;
+ }
+
+ inline bool hasCustomFormatSpecifier(const char* formatSpecifier) {
+ base::threading::ScopedLock scopedLock(lock());
+ return std::find(m_customFormatSpecifiers.begin(), m_customFormatSpecifiers.end(),
+ formatSpecifier) != m_customFormatSpecifiers.end();
+ }
+
+ inline void installCustomFormatSpecifier(const CustomFormatSpecifier& customFormatSpecifier) {
+ if (hasCustomFormatSpecifier(customFormatSpecifier.formatSpecifier())) {
+ return;
+ }
+ base::threading::ScopedLock scopedLock(lock());
+ m_customFormatSpecifiers.push_back(customFormatSpecifier);
+ }
+
+ inline bool uninstallCustomFormatSpecifier(const char* formatSpecifier) {
+ base::threading::ScopedLock scopedLock(lock());
+ std::vector<CustomFormatSpecifier>::iterator it = std::find(m_customFormatSpecifiers.begin(),
+ m_customFormatSpecifiers.end(), formatSpecifier);
+ if (it != m_customFormatSpecifiers.end() && strcmp(formatSpecifier, it->formatSpecifier()) == 0) {
+ m_customFormatSpecifiers.erase(it);
+ return true;
+ }
+ return false;
+ }
+
+ const std::vector<CustomFormatSpecifier>* customFormatSpecifiers(void) const {
+ return &m_customFormatSpecifiers;
+ }
+
+ inline void setLoggingLevel(Level level) {
+ m_loggingLevel = level;
+ }
+
+ template <typename T>
+ inline bool installLogDispatchCallback(const std::string& id) {
+ return installCallback<T, base::type::LogDispatchCallbackPtr>(id, &m_logDispatchCallbacks);
+ }
+
+ template <typename T>
+ inline void uninstallLogDispatchCallback(const std::string& id) {
+ uninstallCallback<T, base::type::LogDispatchCallbackPtr>(id, &m_logDispatchCallbacks);
+ }
+ template <typename T>
+ inline T* logDispatchCallback(const std::string& id) {
+ return callback<T, base::type::LogDispatchCallbackPtr>(id, &m_logDispatchCallbacks);
+ }
+
+ template <typename T>
+ inline bool installPerformanceTrackingCallback(const std::string& id) {
+ return installCallback<T, base::type::PerformanceTrackingCallbackPtr>(id, &m_performanceTrackingCallbacks);
+ }
+
+ template <typename T>
+ inline void uninstallPerformanceTrackingCallback(const std::string& id) {
+ uninstallCallback<T, base::type::PerformanceTrackingCallbackPtr>(id, &m_performanceTrackingCallbacks);
+ }
+
+ template <typename T>
+ inline T* performanceTrackingCallback(const std::string& id) {
+ return callback<T, base::type::PerformanceTrackingCallbackPtr>(id, &m_performanceTrackingCallbacks);
+ }
+ private:
+ base::RegisteredHitCounters* m_registeredHitCounters;
+ base::RegisteredLoggers* m_registeredLoggers;
+ base::type::EnumType m_flags;
+ base::VRegistry* m_vRegistry;
+#if ELPP_ASYNC_LOGGING
+ base::AsyncLogQueue* m_asyncLogQueue;
+ base::IWorker* m_asyncDispatchWorker;
+#endif // ELPP_ASYNC_LOGGING
+ base::utils::CommandLineArgs m_commandLineArgs;
+ PreRollOutCallback m_preRollOutCallback;
+ std::map<std::string, base::type::LogDispatchCallbackPtr> m_logDispatchCallbacks;
+ std::map<std::string, base::type::PerformanceTrackingCallbackPtr> m_performanceTrackingCallbacks;
+ std::vector<CustomFormatSpecifier> m_customFormatSpecifiers;
+ Level m_loggingLevel;
+
+ friend class el::Helpers;
+ friend class el::base::DefaultLogDispatchCallback;
+ friend class el::LogBuilder;
+ friend class el::base::MessageBuilder;
+ friend class el::base::Writer;
+ friend class el::base::PerformanceTracker;
+ friend class el::base::LogDispatcher;
+
+ void setApplicationArguments(int argc, char** argv) {
+ m_commandLineArgs.setArgs(argc, argv);
+ m_vRegistry->setFromArgs(commandLineArgs());
+ // default log file
+#if !defined(ELPP_DISABLE_LOG_FILE_FROM_ARG)
+ if (m_commandLineArgs.hasParamWithValue(base::consts::kDefaultLogFileParam)) {
+ Configurations c;
+ c.setGlobally(ConfigurationType::Filename, std::string(m_commandLineArgs.getParamValue(base::consts::kDefaultLogFileParam)));
+ registeredLoggers()->setDefaultConfigurations(c);
+ for (base::RegisteredLoggers::iterator it = registeredLoggers()->begin();
+ it != registeredLoggers()->end(); ++it) {
+ it->second->configure(c);
+ }
+ }
+#endif // !defined(ELPP_DISABLE_LOG_FILE_FROM_ARG)
+#if defined(ELPP_LOGGING_FLAGS_FROM_ARG)
+ if (m_commandLineArgs.hasParamWithValue(base::consts::kLoggingFlagsParam)) {
+ m_flags = atoi(m_commandLineArgs.getParamValue(base::consts::kLoggingFlagsParam));
+ }
+#endif // defined(ELPP_LOGGING_FLAGS_FROM_ARG)
+ }
+
+ inline void setApplicationArguments(int argc, const char** argv) {
+ setApplicationArguments(argc, const_cast<char**>(argv));
+ }
+
+ template <typename T, typename TPtr>
+ inline bool installCallback(const std::string& id, std::map<std::string, TPtr>* mapT) {
+ if (mapT->find(id) == mapT->end()) {
+ mapT->insert(std::make_pair(id, TPtr(new T())));
+ return true;
+ }
+ return false;
+ }
+
+ template <typename T, typename TPtr>
+ inline void uninstallCallback(const std::string& id, std::map<std::string, TPtr>* mapT) {
+ if (mapT->find(id) != mapT->end()) {
+ mapT->erase(id);
+ }
+ }
+
+ template <typename T, typename TPtr>
+ inline T* callback(const std::string& id, std::map<std::string, TPtr>* mapT) {
+ typename std::map<std::string, TPtr>::iterator iter = mapT->find(id);
+ if (iter != mapT->end()) {
+ return static_cast<T*>(iter->second.get());
+ }
+ return nullptr;
+ }
+ };
+ extern ELPP_EXPORT base::type::StoragePointer elStorage;
+#define ELPP el::base::elStorage
+ class DefaultLogDispatchCallback : public LogDispatchCallback {
+ protected:
+ void handle(const LogDispatchData* data) {
+ m_data = data;
+ dispatch(m_data->logMessage()->logger()->logBuilder()->build(m_data->logMessage(),
+ m_data->dispatchAction() == base::DispatchAction::NormalLog));
+ }
+ private:
+ const LogDispatchData* m_data;
+ void dispatch(base::type::string_t&& logLine) {
+ if (m_data->dispatchAction() == base::DispatchAction::NormalLog) {
+ if (m_data->logMessage()->logger()->m_typedConfigurations->toFile(m_data->logMessage()->level())) {
+ base::type::fstream_t* fs = m_data->logMessage()->logger()->m_typedConfigurations->fileStream(m_data->logMessage()->level());
+ if (fs != nullptr) {
+ fs->write(logLine.c_str(), logLine.size());
+ if (fs->fail()) {
+ ELPP_INTERNAL_ERROR("Unable to write log to file ["
+ << m_data->logMessage()->logger()->m_typedConfigurations->filename(m_data->logMessage()->level()) << "].\n"
+ << "Few possible reasons (could be something else):\n" << " * Permission denied\n"
+ << " * Disk full\n" << " * Disk is not writable", true);
+ } else {
+ if (ELPP->hasFlag(LoggingFlag::ImmediateFlush) || (m_data->logMessage()->logger()->isFlushNeeded(m_data->logMessage()->level()))) {
+ m_data->logMessage()->logger()->flush(m_data->logMessage()->level(), fs);
+ }
+ }
+ } else {
+ ELPP_INTERNAL_ERROR("Log file for [" << LevelHelper::convertToString(m_data->logMessage()->level()) << "] "
+ << "has not been configured but [TO_FILE] is configured to TRUE. [Logger ID: "
+ << m_data->logMessage()->logger()->id() << "]", false);
+ }
+ }
+ if (m_data->logMessage()->logger()->m_typedConfigurations->toStandardOutput(m_data->logMessage()->level())) {
+ if (ELPP->hasFlag(LoggingFlag::ColoredTerminalOutput))
+ m_data->logMessage()->logger()->logBuilder()->convertToColoredOutput(&logLine, m_data->logMessage()->level());
+ ELPP_COUT << ELPP_COUT_LINE(logLine);
+ }
+ }
+#if defined(ELPP_SYSLOG)
+ else if (m_data->dispatchAction() == base::DispatchAction::SysLog) {
+ // Determine syslog priority
+ int sysLogPriority = 0;
+ if (m_data->logMessage()->level() == Level::Fatal)
+ sysLogPriority = LOG_EMERG;
+ else if (m_data->logMessage()->level() == Level::Error)
+ sysLogPriority = LOG_ERR;
+ else if (m_data->logMessage()->level() == Level::Warning)
+ sysLogPriority = LOG_WARNING;
+ else if (m_data->logMessage()->level() == Level::Info)
+ sysLogPriority = LOG_INFO;
+ else if (m_data->logMessage()->level() == Level::Debug)
+ sysLogPriority = LOG_DEBUG;
+ else
+ sysLogPriority = LOG_NOTICE;
+# if defined(ELPP_UNICODE)
+ char* line = base::utils::Str::wcharPtrToCharPtr(logLine.c_str());
+ syslog(sysLogPriority, "%s", line);
+ free(line);
+# else
+ syslog(sysLogPriority, "%s", logLine.c_str());
+# endif
+ }
+#endif // defined(ELPP_SYSLOG)
+ }
+ };
+#if ELPP_ASYNC_LOGGING
+ class AsyncLogDispatchCallback : public LogDispatchCallback {
+ protected:
+ void handle(const LogDispatchData* data) {
+ base::type::string_t logLine = data->logMessage()->logger()->logBuilder()->build(data->logMessage(), data->dispatchAction() == base::DispatchAction::NormalLog);
+ if (data->dispatchAction() == base::DispatchAction::NormalLog && data->logMessage()->logger()->typedConfigurations()->toStandardOutput(data->logMessage()->level())) {
+ if (ELPP->hasFlag(LoggingFlag::ColoredTerminalOutput))
+ data->logMessage()->logger()->logBuilder()->convertToColoredOutput(&logLine, data->logMessage()->level());
+ ELPP_COUT << ELPP_COUT_LINE(logLine);
+ }
+ // Save resources and only queue if we want to write to file otherwise just ignore handler
+ if (data->logMessage()->logger()->typedConfigurations()->toFile(data->logMessage()->level())) {
+ ELPP->asyncLogQueue()->push(AsyncLogItem(*(data->logMessage()), *data, logLine));
+ }
+ }
+ };
+ class AsyncDispatchWorker : public base::IWorker, public base::threading::ThreadSafe {
+ public:
+ AsyncDispatchWorker() {
+ setContinueRunning(false);
+ }
+
+ virtual ~AsyncDispatchWorker() {
+ setContinueRunning(false);
+ ELPP_INTERNAL_INFO(6, "Stopping dispatch worker - Cleaning log queue");
+ clean();
+ ELPP_INTERNAL_INFO(6, "Log queue cleaned");
+ }
+
+ inline bool clean(void) {
+ std::mutex m;
+ std::unique_lock<std::mutex> lk(m);
+ cv.wait(lk, []{ return !ELPP->asyncLogQueue()->empty(); });
+ emptyQueue();
+ lk.unlock();
+ cv.notify_one();
+ return ELPP->asyncLogQueue()->empty();
+ }
+
+ inline void emptyQueue(void) {
+ while (!ELPP->asyncLogQueue()->empty()) {
+ AsyncLogItem data = ELPP->asyncLogQueue()->next();
+ handle(&data);
+ base::threading::msleep(100);
+ }
+ }
+
+ virtual inline void start(void) {
+ base::threading::msleep(5000); // 5s (why?)
+ setContinueRunning(true);
+ std::thread t1(&AsyncDispatchWorker::run, this);
+ t1.join();
+ }
+
+ void handle(AsyncLogItem* logItem) {
+ LogDispatchData* data = logItem->data();
+ LogMessage* logMessage = logItem->logMessage();
+ Logger* logger = logMessage->logger();
+ base::TypedConfigurations* conf = logger->typedConfigurations();
+ base::type::string_t logLine = logItem->logLine();
+ if (data->dispatchAction() == base::DispatchAction::NormalLog) {
+ if (conf->toFile(logMessage->level())) {
+ base::type::fstream_t* fs = conf->fileStream(logMessage->level());
+ if (fs != nullptr) {
+ fs->write(logLine.c_str(), logLine.size());
+ if (fs->fail()) {
+ ELPP_INTERNAL_ERROR("Unable to write log to file ["
+ << conf->filename(logMessage->level()) << "].\n"
+ << "Few possible reasons (could be something else):\n" << " * Permission denied\n"
+ << " * Disk full\n" << " * Disk is not writable", true);
+ } else {
+ if (ELPP->hasFlag(LoggingFlag::ImmediateFlush) || (logger->isFlushNeeded(logMessage->level()))) {
+ logger->flush(logMessage->level(), fs);
+ }
+ }
+ } else {
+ ELPP_INTERNAL_ERROR("Log file for [" << LevelHelper::convertToString(logMessage->level()) << "] "
+ << "has not been configured but [TO_FILE] is configured to TRUE. [Logger ID: " << logger->id() << "]", false);
+ }
+ }
+ }
+# if defined(ELPP_SYSLOG)
+ else if (data->dispatchAction() == base::DispatchAction::SysLog) {
+ // Determine syslog priority
+ int sysLogPriority = 0;
+ if (logMessage->level() == Level::Fatal)
+ sysLogPriority = LOG_EMERG;
+ else if (logMessage->level() == Level::Error)
+ sysLogPriority = LOG_ERR;
+ else if (logMessage->level() == Level::Warning)
+ sysLogPriority = LOG_WARNING;
+ else if (logMessage->level() == Level::Info)
+ sysLogPriority = LOG_INFO;
+ else if (logMessage->level() == Level::Debug)
+ sysLogPriority = LOG_DEBUG;
+ else
+ sysLogPriority = LOG_NOTICE;
+# if defined(ELPP_UNICODE)
+ char* line = base::utils::Str::wcharPtrToCharPtr(logLine.c_str());
+ syslog(sysLogPriority, "%s", line);
+ free(line);
+# else
+ syslog(sysLogPriority, "%s", logLine.c_str());
+# endif
+ }
+# endif // defined(ELPP_SYSLOG)
+ }
+
+ void run(void) {
+ while (continueRunning()) {
+ emptyQueue();
+ base::threading::msleep(10); // 10ms
+ }
+ }
+
+ void setContinueRunning(bool value) {
+ base::threading::ScopedLock scopedLock(m_continueRunningMutex);
+ m_continueRunning = value;
+ }
+
+ bool continueRunning(void) const {
+ return m_continueRunning;
+ }
+ private:
+ std::condition_variable cv;
+ bool m_continueRunning;
+ base::threading::Mutex m_continueRunningMutex;
+ };
+#endif // ELPP_ASYNC_LOGGING
+ } // namespace base
+ namespace base {
+ class DefaultLogBuilder : public LogBuilder {
+ public:
+ base::type::string_t build(const LogMessage* logMessage, bool appendNewLine) const {
+ base::TypedConfigurations* tc = logMessage->logger()->typedConfigurations();
+ const base::LogFormat* logFormat = &tc->logFormat(logMessage->level());
+ base::type::string_t logLine = logFormat->format();
+ char buff[base::consts::kSourceFilenameMaxLength + base::consts::kSourceLineMaxLength] = "";
+ const char* bufLim = buff + sizeof(buff);
+ if (logFormat->hasFlag(base::FormatFlags::AppName)) {
+ // App name
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kAppNameFormatSpecifier,
+ logMessage->logger()->parentApplicationName());
+ }
+ if (logFormat->hasFlag(base::FormatFlags::ThreadId)) {
+ // Thread ID
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kThreadIdFormatSpecifier,
+ base::threading::getCurrentThreadId());
+ }
+ if (logFormat->hasFlag(base::FormatFlags::DateTime)) {
+ // DateTime
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kDateTimeFormatSpecifier,
+ base::utils::DateTime::getDateTime(logFormat->dateTimeFormat().c_str(),
+ &tc->millisecondsWidth(logMessage->level())));
+ }
+ if (logFormat->hasFlag(base::FormatFlags::Function)) {
+ // Function
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogFunctionFormatSpecifier, logMessage->func());
+ }
+ if (logFormat->hasFlag(base::FormatFlags::File)) {
+ // File
+ base::utils::Str::clearBuff(buff, base::consts::kSourceFilenameMaxLength);
+ base::utils::File::buildStrippedFilename(logMessage->file().c_str(), buff);
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogFileFormatSpecifier, std::string(buff));
+ }
+ if (logFormat->hasFlag(base::FormatFlags::FileBase)) {
+ // FileBase
+ base::utils::Str::clearBuff(buff, base::consts::kSourceFilenameMaxLength);
+ base::utils::File::buildBaseFilename(logMessage->file(), buff);
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogFileBaseFormatSpecifier, std::string(buff));
+ }
+ if (logFormat->hasFlag(base::FormatFlags::Line)) {
+ // Line
+ char* buf = base::utils::Str::clearBuff(buff, base::consts::kSourceLineMaxLength);
+ buf = base::utils::Str::convertAndAddToBuff(logMessage->line(), base::consts::kSourceLineMaxLength, buf, bufLim, false);
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogLineFormatSpecifier, std::string(buff));
+ }
+ if (logFormat->hasFlag(base::FormatFlags::Location)) {
+ // Location
+ char* buf = base::utils::Str::clearBuff(buff, base::consts::kSourceFilenameMaxLength + base::consts::kSourceLineMaxLength);
+ base::utils::File::buildStrippedFilename(logMessage->file().c_str(), buff);
+ buf = base::utils::Str::addToBuff(buff, buf, bufLim);
+ buf = base::utils::Str::addToBuff(":", buf, bufLim);
+ buf = base::utils::Str::convertAndAddToBuff(logMessage->line(), base::consts::kSourceLineMaxLength, buf, bufLim, false);
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kLogLocationFormatSpecifier, std::string(buff));
+ }
+ if (logMessage->level() == Level::Verbose && logFormat->hasFlag(base::FormatFlags::VerboseLevel)) {
+ // Verbose level
+ char* buf = base::utils::Str::clearBuff(buff, 1);
+ buf = base::utils::Str::convertAndAddToBuff(logMessage->verboseLevel(), 1, buf, bufLim, false);
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kVerboseLevelFormatSpecifier, std::string(buff));
+ }
+ if (logFormat->hasFlag(base::FormatFlags::LogMessage)) {
+ // Log message
+ base::utils::Str::replaceFirstWithEscape(logLine, base::consts::kMessageFormatSpecifier, logMessage->message());
+ }
+#if !defined(ELPP_DISABLE_CUSTOM_FORMAT_SPECIFIERS)
+ for (std::vector<CustomFormatSpecifier>::const_iterator it = ELPP->customFormatSpecifiers()->begin();
+ it != ELPP->customFormatSpecifiers()->end(); ++it) {
+ std::string fs(it->formatSpecifier());
+ base::type::string_t wcsFormatSpecifier(fs.begin(), fs.end());
+ base::utils::Str::replaceFirstWithEscape(logLine, wcsFormatSpecifier, std::string(it->resolver()()));
+ }
+#endif // !defined(ELPP_DISABLE_CUSTOM_FORMAT_SPECIFIERS)
+ if (appendNewLine) logLine += ELPP_LITERAL("\n");
+ return logLine;
+ }
+ };
+ /// @brief Dispatches log messages
+ class LogDispatcher : base::NoCopy {
+ public:
+ LogDispatcher(bool proceed, LogMessage&& logMessage, base::DispatchAction dispatchAction) :
+ m_proceed(proceed),
+ m_logMessage(std::move(logMessage)),
+ m_dispatchAction(std::move(dispatchAction)) {
+ }
+
+ void dispatch(void) {
+ if (m_proceed && m_dispatchAction == base::DispatchAction::None) {
+ m_proceed = false;
+ }
+ if (!m_proceed) {
+ return;
+ }
+ // We minimize the time of ELPP's lock - this lock is released after log is written
+ base::threading::ScopedLock scopedLock(ELPP->lock());
+ base::TypedConfigurations* tc = m_logMessage.logger()->m_typedConfigurations;
+ if (ELPP->hasFlag(LoggingFlag::StrictLogFileSizeCheck)) {
+ tc->validateFileRolling(m_logMessage.level(), ELPP->preRollOutCallback());
+ }
+ LogDispatchCallback* callback = nullptr;
+ LogDispatchData data;
+ for (const std::pair<std::string, base::type::LogDispatchCallbackPtr>& h
+ : ELPP->m_logDispatchCallbacks) {
+ callback = h.second.get();
+ if (callback != nullptr && callback->enabled()) {
+ data.setLogMessage(&m_logMessage);
+ data.setDispatchAction(m_dispatchAction);
+ callback->acquireLock();
+ callback->handle(&data);
+ callback->releaseLock();
+ }
+ }
+ }
+
+ private:
+ bool m_proceed;
+ LogMessage m_logMessage;
+ base::DispatchAction m_dispatchAction;
+ };
+#if defined(ELPP_STL_LOGGING)
+ /// @brief Workarounds to write some STL logs
+ ///
+ /// @detail There is workaround needed to loop through some stl containers. In order to do that, we need iterable containers
+ /// of same type and provide iterator interface and pass it on to writeIterator().
+ /// Remember, this is passed by value in constructor so that we dont change original containers.
+ /// This operation is as expensive as Big-O(std::min(class_.size(), base::consts::kMaxLogPerContainer))
+ namespace workarounds {
+ /// @brief Abstract IterableContainer template that provides interface for iterable classes of type T
+ template <typename T, typename Container>
+ class IterableContainer {
+ public:
+ typedef typename Container::iterator iterator;
+ typedef typename Container::const_iterator const_iterator;
+ IterableContainer(void) {}
+ virtual ~IterableContainer(void) {}
+ iterator begin(void) { return getContainer().begin(); }
+ iterator end(void) { return getContainer().end(); }
+ private:
+ virtual Container& getContainer(void) = 0;
+ };
+ /// @brief Implements IterableContainer and provides iterable std::priority_queue class
+ template<typename T, typename Container = std::vector<T>, typename Comparator = std::less<typename Container::value_type>>
+ class IterablePriorityQueue : public IterableContainer<T, Container>, public std::priority_queue<T, Container, Comparator> {
+ public:
+ IterablePriorityQueue(std::priority_queue<T, Container, Comparator> queue_) {
+ std::size_t count_ = 0;
+ while (++count_ < base::consts::kMaxLogPerContainer && !queue_.empty()) {
+ this->push(queue_.top());
+ queue_.pop();
+ }
+ }
+ private:
+ inline Container& getContainer(void) {
+ return this->c;
+ }
+ };
+ /// @brief Implements IterableContainer and provides iterable std::queue class
+ template<typename T, typename Container = std::deque<T>>
+ class IterableQueue : public IterableContainer<T, Container>, public std::queue<T, Container> {
+ public:
+ IterableQueue(std::queue<T, Container> queue_) {
+ std::size_t count_ = 0;
+ while (++count_ < base::consts::kMaxLogPerContainer && !queue_.empty()) {
+ this->push(queue_.front());
+ queue_.pop();
+ }
+ }
+ private:
+ inline Container& getContainer(void) {
+ return this->c;
+ }
+ };
+ /// @brief Implements IterableContainer and provides iterable std::stack class
+ template<typename T, typename Container = std::deque<T>>
+ class IterableStack : public IterableContainer<T, Container>, public std::stack<T, Container> {
+ public:
+ IterableStack(std::stack<T, Container> stack_) {
+ std::size_t count_ = 0;
+ while (++count_ < base::consts::kMaxLogPerContainer && !stack_.empty()) {
+ this->push(stack_.top());
+ stack_.pop();
+ }
+ }
+ private:
+ inline Container& getContainer(void) {
+ return this->c;
+ }
+ };
+ } // namespace workarounds
+#endif // defined(ELPP_STL_LOGGING)
+ // Log message builder
+ class MessageBuilder {
+ public:
+ MessageBuilder(void) : m_logger(nullptr), m_containerLogSeperator(ELPP_LITERAL("")) {}
+ void initialize(Logger* logger) {
+ m_logger = logger;
+ m_containerLogSeperator = ELPP->hasFlag(LoggingFlag::NewLineForContainer) ?
+ ELPP_LITERAL("\n ") : ELPP_LITERAL(", ");
+ }
+
+# define ELPP_SIMPLE_LOG(LOG_TYPE)\
+inline MessageBuilder& operator<<(LOG_TYPE msg) {\
+m_logger->stream() << msg;\
+if (ELPP->hasFlag(LoggingFlag::AutoSpacing)) {\
+m_logger->stream() << " ";\
+}\
+return *this;\
+}
+
+ inline MessageBuilder& operator<<(const std::string& msg) {
+ return operator<<(msg.c_str());
+ }
+ ELPP_SIMPLE_LOG(char)
+ ELPP_SIMPLE_LOG(bool)
+ ELPP_SIMPLE_LOG(signed short)
+ ELPP_SIMPLE_LOG(unsigned short)
+ ELPP_SIMPLE_LOG(signed int)
+ ELPP_SIMPLE_LOG(unsigned int)
+ ELPP_SIMPLE_LOG(signed long)
+ ELPP_SIMPLE_LOG(unsigned long)
+ ELPP_SIMPLE_LOG(float)
+ ELPP_SIMPLE_LOG(double)
+ ELPP_SIMPLE_LOG(char*)
+ ELPP_SIMPLE_LOG(const char*)
+ ELPP_SIMPLE_LOG(const void*)
+ ELPP_SIMPLE_LOG(long double)
+ inline MessageBuilder& operator<<(const std::wstring& msg) {
+ return operator<<(msg.c_str());
+ }
+ inline MessageBuilder& operator<<(const wchar_t* msg) {
+ if (msg == nullptr) {
+ m_logger->stream() << base::consts::kNullPointer;
+ return *this;
+ }
+# if defined(ELPP_UNICODE)
+ m_logger->stream() << msg;
+# else
+ char* buff_ = base::utils::Str::wcharPtrToCharPtr(msg);
+ m_logger->stream() << buff_;
+ free(buff_);
+# endif
+ if (ELPP->hasFlag(LoggingFlag::AutoSpacing)) {
+ m_logger->stream() << " ";
+ }
+ return *this;
+ }
+ // ostream manipulators
+ inline MessageBuilder& operator<<(std::ostream& (*OStreamMani)(std::ostream&)) {
+ m_logger->stream() << OStreamMani;
+ return *this;
+ }
+#define ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(temp) \
+template <typename T> \
+inline MessageBuilder& operator<<(const temp<T>& template_inst) { \
+return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
+}
+#define ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(temp) \
+template <typename T1, typename T2> \
+inline MessageBuilder& operator<<(const temp<T1, T2>& template_inst) { \
+return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
+}
+#define ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(temp) \
+template <typename T1, typename T2, typename T3> \
+inline MessageBuilder& operator<<(const temp<T1, T2, T3>& template_inst) { \
+return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
+}
+#define ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(temp) \
+template <typename T1, typename T2, typename T3, typename T4> \
+inline MessageBuilder& operator<<(const temp<T1, T2, T3, T4>& template_inst) { \
+return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
+}
+#define ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(temp) \
+template <typename T1, typename T2, typename T3, typename T4, typename T5> \
+inline MessageBuilder& operator<<(const temp<T1, T2, T3, T4, T5>& template_inst) { \
+return writeIterator(template_inst.begin(), template_inst.end(), template_inst.size()); \
+}
+
+#if defined(ELPP_STL_LOGGING)
+ ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::vector)
+ ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::list)
+ ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(std::deque)
+ ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(std::set)
+ ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(std::multiset)
+ ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::map)
+ ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::multimap)
+ template <class T, class Container>
+ inline MessageBuilder& operator<<(const std::queue<T, Container>& queue_) {
+ base::workarounds::IterableQueue<T, Container> iterableQueue_ =
+ static_cast<base::workarounds::IterableQueue<T, Container> >(queue_);
+ return writeIterator(iterableQueue_.begin(), iterableQueue_.end(), iterableQueue_.size());
+ }
+ template <class T, class Container>
+ inline MessageBuilder& operator<<(const std::stack<T, Container>& stack_) {
+ base::workarounds::IterableStack<T, Container> iterableStack_ =
+ static_cast<base::workarounds::IterableStack<T, Container> >(stack_);
+ return writeIterator(iterableStack_.begin(), iterableStack_.end(), iterableStack_.size());
+ }
+ template <class T, class Container, class Comparator>
+ inline MessageBuilder& operator<<(const std::priority_queue<T, Container, Comparator>& priorityQueue_) {
+ base::workarounds::IterablePriorityQueue<T, Container, Comparator> iterablePriorityQueue_ =
+ static_cast<base::workarounds::IterablePriorityQueue<T, Container, Comparator> >(priorityQueue_);
+ return writeIterator(iterablePriorityQueue_.begin(), iterablePriorityQueue_.end(), iterablePriorityQueue_.size());
+ }
+ template <class First, class Second>
+ inline MessageBuilder& operator<<(const std::pair<First, Second>& pair_) {
+ m_logger->stream() << ELPP_LITERAL("(");
+ operator << (static_cast<First>(pair_.first));
+ m_logger->stream() << ELPP_LITERAL(", ");
+ operator << (static_cast<Second>(pair_.second));
+ m_logger->stream() << ELPP_LITERAL(")");
+ return *this;
+ }
+ template <std::size_t Size>
+ inline MessageBuilder& operator<<(const std::bitset<Size>& bitset_) {
+ m_logger->stream() << ELPP_LITERAL("[");
+ operator << (bitset_.to_string());
+ m_logger->stream() << ELPP_LITERAL("]");
+ return *this;
+ }
+# if defined(ELPP_LOG_STD_ARRAY)
+ template <class T, std::size_t Size>
+ inline MessageBuilder& operator<<(const std::array<T, Size>& array) {
+ return writeIterator(array.begin(), array.end(), array.size());
+ }
+# endif // defined(ELPP_LOG_STD_ARRAY)
+# if defined(ELPP_LOG_UNORDERED_MAP)
+ ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(std::unordered_map)
+ ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG(std::unordered_multimap)
+# endif // defined(ELPP_LOG_UNORDERED_MAP)
+# if defined(ELPP_LOG_UNORDERED_SET)
+ ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::unordered_set)
+ ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(std::unordered_multiset)
+# endif // defined(ELPP_LOG_UNORDERED_SET)
+#endif // defined(ELPP_STL_LOGGING)
+#if defined(ELPP_QT_LOGGING)
+ inline MessageBuilder& operator<<(const QString& msg) {
+# if defined(ELPP_UNICODE)
+ m_logger->stream() << msg.toStdWString();
+# else
+ m_logger->stream() << msg.toStdString();
+# endif // defined(ELPP_UNICODE)
+ return *this;
+ }
+ inline MessageBuilder& operator<<(const QByteArray& msg) {
+ return operator << (QString(msg));
+ }
+ inline MessageBuilder& operator<<(const QStringRef& msg) {
+ return operator<<(msg.toString());
+ }
+ inline MessageBuilder& operator<<(qint64 msg) {
+# if defined(ELPP_UNICODE)
+ m_logger->stream() << QString::number(msg).toStdWString();
+# else
+ m_logger->stream() << QString::number(msg).toStdString();
+# endif // defined(ELPP_UNICODE)
+ return *this;
+ }
+ inline MessageBuilder& operator<<(quint64 msg) {
+# if defined(ELPP_UNICODE)
+ m_logger->stream() << QString::number(msg).toStdWString();
+# else
+ m_logger->stream() << QString::number(msg).toStdString();
+# endif // defined(ELPP_UNICODE)
+ return *this;
+ }
+ inline MessageBuilder& operator<<(QChar msg) {
+ m_logger->stream() << msg.toLatin1();
+ return *this;
+ }
+ inline MessageBuilder& operator<<(const QLatin1String& msg) {
+ m_logger->stream() << msg.latin1();
+ return *this;
+ }
+ ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QList)
+ ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QVector)
+ ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QQueue)
+ ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QSet)
+ ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QLinkedList)
+ ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(QStack)
+ template <typename First, typename Second>
+ inline MessageBuilder& operator<<(const QPair<First, Second>& pair_) {
+ m_logger->stream() << ELPP_LITERAL("(");
+ operator << (static_cast<First>(pair_.first));
+ m_logger->stream() << ELPP_LITERAL(", ");
+ operator << (static_cast<Second>(pair_.second));
+ m_logger->stream() << ELPP_LITERAL(")");
+ return *this;
+ }
+ template <typename K, typename V>
+ inline MessageBuilder& operator<<(const QMap<K, V>& map_) {
+ m_logger->stream() << ELPP_LITERAL("[");
+ QList<K> keys = map_.keys();
+ typename QList<K>::const_iterator begin = keys.begin();
+ typename QList<K>::const_iterator end = keys.end();
+ int max_ = static_cast<int>(base::consts::kMaxLogPerContainer); // to prevent warning
+ for (int index_ = 0; begin != end && index_ < max_; ++index_, ++begin) {
+ m_logger->stream() << ELPP_LITERAL("(");
+ operator << (static_cast<K>(*begin));
+ m_logger->stream() << ELPP_LITERAL(", ");
+ operator << (static_cast<V>(map_.value(*begin)));
+ m_logger->stream() << ELPP_LITERAL(")");
+ m_logger->stream() << ((index_ < keys.size() -1) ? m_containerLogSeperator : ELPP_LITERAL(""));
+ }
+ if (begin != end) {
+ m_logger->stream() << ELPP_LITERAL("...");
+ }
+ m_logger->stream() << ELPP_LITERAL("]");
+ return *this;
+ }
+ template <typename K, typename V>
+ inline MessageBuilder& operator<<(const QMultiMap<K, V>& map_) {
+ operator << (static_cast<QMap<K, V>>(map_));
+ return *this;
+ }
+ template <typename K, typename V>
+ inline MessageBuilder& operator<<(const QHash<K, V>& hash_) {
+ m_logger->stream() << ELPP_LITERAL("[");
+ QList<K> keys = hash_.keys();
+ typename QList<K>::const_iterator begin = keys.begin();
+ typename QList<K>::const_iterator end = keys.end();
+ int max_ = static_cast<int>(base::consts::kMaxLogPerContainer); // prevent type warning
+ for (int index_ = 0; begin != end && index_ < max_; ++index_, ++begin) {
+ m_logger->stream() << ELPP_LITERAL("(");
+ operator << (static_cast<K>(*begin));
+ m_logger->stream() << ELPP_LITERAL(", ");
+ operator << (static_cast<V>(hash_.value(*begin)));
+ m_logger->stream() << ELPP_LITERAL(")");
+ m_logger->stream() << ((index_ < keys.size() -1) ? m_containerLogSeperator : ELPP_LITERAL(""));
+ }
+ if (begin != end) {
+ m_logger->stream() << ELPP_LITERAL("...");
+ }
+ m_logger->stream() << ELPP_LITERAL("]");
+ return *this;
+ }
+ template <typename K, typename V>
+ inline MessageBuilder& operator<<(const QMultiHash<K, V>& multiHash_) {
+ operator << (static_cast<QHash<K, V>>(multiHash_));
+ return *this;
+ }
+#endif // defined(ELPP_QT_LOGGING)
+#if defined(ELPP_BOOST_LOGGING)
+ ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::vector)
+ ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::stable_vector)
+ ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::list)
+ ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG(boost::container::deque)
+ ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(boost::container::map)
+ ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG(boost::container::flat_map)
+ ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(boost::container::set)
+ ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG(boost::container::flat_set)
+#endif // defined(ELPP_BOOST_LOGGING)
+
+ /// @brief Macro used internally that can be used externally to make containers easylogging++ friendly
+ ///
+ /// @detail This macro expands to write an ostream& operator<< for container. This container is expected to
+ /// have begin() and end() methods that return respective iterators
+ /// @param ContainerType Type of container e.g, MyList from WX_DECLARE_LIST(int, MyList); in wxwidgets
+ /// @param SizeMethod Method used to get size of container.
+ /// @param ElementInstance Instance of element to be fed out. Insance name is "elem". See WXELPP_ENABLED macro
+ /// for an example usage
+#define MAKE_CONTAINERELPP_FRIENDLY(ContainerType, SizeMethod, ElementInstance) \
+el::base::type::ostream_t& operator<<(el::base::type::ostream_t& ss, const ContainerType& container) {\
+const el::base::type::char_t* sep = ELPP->hasFlag(el::LoggingFlag::NewLineForContainer) ? \
+ELPP_LITERAL("\n ") : ELPP_LITERAL(", ");\
+ContainerType::const_iterator elem = container.begin();\
+ContainerType::const_iterator endElem = container.end();\
+std::size_t size_ = container.SizeMethod; \
+ss << ELPP_LITERAL("[");\
+for (std::size_t i = 0; elem != endElem && i < el::base::consts::kMaxLogPerContainer; ++i, ++elem) { \
+ss << ElementInstance;\
+ss << ((i < size_ - 1) ? sep : ELPP_LITERAL(""));\
+}\
+if (elem != endElem) {\
+ss << ELPP_LITERAL("...");\
+}\
+ss << ELPP_LITERAL("]");\
+return ss;\
+}
+#if defined(ELPP_WXWIDGETS_LOGGING)
+ ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG(wxVector)
+# define ELPP_WX_PTR_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), *(*elem))
+# define ELPP_WX_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), (*elem))
+# define ELPP_WX_HASH_MAP_ENABLED(ContainerType) MAKE_CONTAINERELPP_FRIENDLY(ContainerType, size(), \
+ELPP_LITERAL("(") << elem->first << ELPP_LITERAL(", ") << elem->second << ELPP_LITERAL(")")
+#else
+# define ELPP_WX_PTR_ENABLED(ContainerType)
+# define ELPP_WX_ENABLED(ContainerType)
+# define ELPP_WX_HASH_MAP_ENABLED(ContainerType)
+#endif // defined(ELPP_WXWIDGETS_LOGGING)
+ // Other classes
+ template <class Class>
+ ELPP_SIMPLE_LOG(const Class&)
+#undef ELPP_SIMPLE_LOG
+#undef ELPP_ITERATOR_CONTAINER_LOG_ONE_ARG
+#undef ELPP_ITERATOR_CONTAINER_LOG_TWO_ARG
+#undef ELPP_ITERATOR_CONTAINER_LOG_THREE_ARG
+#undef ELPP_ITERATOR_CONTAINER_LOG_FOUR_ARG
+#undef ELPP_ITERATOR_CONTAINER_LOG_FIVE_ARG
+ private:
+ Logger* m_logger;
+ const base::type::char_t* m_containerLogSeperator;
+
+ template<class Iterator>
+ inline MessageBuilder& writeIterator(Iterator begin_, Iterator end_, std::size_t size_) {
+ m_logger->stream() << ELPP_LITERAL("[");
+ for (std::size_t i = 0; begin_ != end_ && i < base::consts::kMaxLogPerContainer; ++i, ++begin_) {
+ operator << (*begin_);
+ m_logger->stream() << ((i < size_ - 1) ? m_containerLogSeperator : ELPP_LITERAL(""));
+ }
+ if (begin_ != end_) {
+ m_logger->stream() << ELPP_LITERAL("...");
+ }
+ m_logger->stream() << ELPP_LITERAL("]");
+ if (ELPP->hasFlag(LoggingFlag::AutoSpacing)) {
+ m_logger->stream() << " ";
+ }
+ return *this;
+ }
+ };
+ /// @brief Writes nothing - Used when certain log is disabled
+ class NullWriter : base::NoCopy {
+ public:
+ NullWriter(void) {}
+
+ // Null manipulator
+ inline NullWriter& operator<<(std::ostream& (*)(std::ostream&)) {
+ return *this;
+ }
+
+ template <typename T>
+ inline NullWriter& operator<<(const T&) {
+ return *this;
+ }
+ };
+ /// @brief Main entry point of each logging
+ class Writer : base::NoCopy {
+ public:
+ Writer(Level level, const char* file, unsigned long int line,
+ const char* func, base::DispatchAction dispatchAction = base::DispatchAction::NormalLog,
+ base::type::VerboseLevel verboseLevel = 0) :
+ m_level(level), m_file(file), m_line(line), m_func(func), m_verboseLevel(verboseLevel),
+ m_proceed(false), m_dispatchAction(dispatchAction) {
+ }
+
+ virtual ~Writer(void) {
+ processDispatch();
+ }
+
+ template <typename T>
+ inline Writer& operator<<(const T& log) {
+#if ELPP_LOGGING_ENABLED
+ if (m_proceed) {
+ m_messageBuilder << log;
+ }
+#endif // ELPP_LOGGING_ENABLED
+ return *this;
+ }
+
+ inline Writer& operator<<(std::ostream& (*log)(std::ostream&)) {
+#if ELPP_LOGGING_ENABLED
+ if (m_proceed) {
+ m_messageBuilder << log;
+ }
+#endif // ELPP_LOGGING_ENABLED
+ return *this;
+ }
+
+ Writer& construct(Logger* logger, bool needLock = true) {
+ m_logger = logger;
+ initializeLogger(logger->id(), false, needLock);
+ m_messageBuilder.initialize(m_logger);
+ return *this;
+ }
+
+ Writer& construct(int count, const char* loggerIds, ...) {
+ if (ELPP->hasFlag(LoggingFlag::MultiLoggerSupport)) {
+ va_list loggersList;
+ va_start(loggersList, loggerIds);
+ const char* id = loggerIds;
+ for (int i = 0; i < count; ++i) {
+ m_loggerIds.push_back(std::string(id));
+ id = va_arg(loggersList, const char*);
+ }
+ va_end(loggersList);
+ initializeLogger(m_loggerIds.at(0));
+ } else {
+ initializeLogger(std::string(loggerIds));
+ }
+ m_messageBuilder.initialize(m_logger);
+ return *this;
+ }
+ protected:
+ Level m_level;
+ const char* m_file;
+ const unsigned long int m_line;
+ const char* m_func;
+ base::type::VerboseLevel m_verboseLevel;
+ Logger* m_logger;
+ bool m_proceed;
+ base::MessageBuilder m_messageBuilder;
+ base::DispatchAction m_dispatchAction;
+ std::vector<std::string> m_loggerIds;
+ friend class el::Helpers;
+
+ void initializeLogger(const std::string& loggerId, bool lookup = true, bool needLock = true) {
+ if (lookup) {
+ m_logger = ELPP->registeredLoggers()->get(loggerId, ELPP->hasFlag(LoggingFlag::CreateLoggerAutomatically));
+ }
+ if (m_logger == nullptr) {
+ ELPP->acquireLock();
+ if (!ELPP->registeredLoggers()->has(std::string(base::consts::kDefaultLoggerId))) {
+ // Somehow default logger has been unregistered. Not good! Register again
+ ELPP->registeredLoggers()->get(std::string(base::consts::kDefaultLoggerId));
+ }
+ ELPP->releaseLock(); // Need to unlock it for next writer
+ Writer(Level::Debug, m_file, m_line, m_func).construct(1, base::consts::kDefaultLoggerId)
+ << "Logger [" << loggerId << "] is not registered yet!";
+ m_proceed = false;
+ } else {
+ if (needLock) {
+ m_logger->acquireLock(); // This should not be unlocked by checking m_proceed because
+ // m_proceed can be changed by lines below
+ }
+ if (ELPP->hasFlag(LoggingFlag::HierarchicalLogging)) {
+ m_proceed = m_level == Level::Verbose ? m_logger->enabled(m_level) :
+ LevelHelper::castToInt(m_level) >= LevelHelper::castToInt(ELPP->m_loggingLevel);
+ } else {
+ m_proceed = m_logger->enabled(m_level);
+ }
+ }
+ }
+
+ void processDispatch() {
+#if ELPP_LOGGING_ENABLED
+ if (ELPP->hasFlag(LoggingFlag::MultiLoggerSupport)) {
+ bool firstDispatched = false;
+ base::type::string_t logMessage;
+ std::size_t i = 0;
+ do {
+ if (m_proceed) {
+ if (firstDispatched) {
+ m_logger->stream() << logMessage;
+ } else {
+ firstDispatched = true;
+ if (m_loggerIds.size() > 1) {
+ logMessage = m_logger->stream().str();
+ }
+ }
+ triggerDispatch();
+ } else if (m_logger != nullptr) {
+ m_logger->stream().str(ELPP_LITERAL(""));
+ m_logger->releaseLock();
+ }
+ if (i + 1 < m_loggerIds.size()) {
+ initializeLogger(m_loggerIds.at(i + 1));
+ }
+ } while (++i < m_loggerIds.size());
+ } else {
+ if (m_proceed) {
+ triggerDispatch();
+ } else if (m_logger != nullptr) {
+ m_logger->stream().str(ELPP_LITERAL(""));
+ m_logger->releaseLock();
+ }
+ }
+#else
+ if (m_logger != nullptr) {
+ m_logger->stream().str(ELPP_LITERAL(""));
+ m_logger->releaseLock();
+ }
+#endif // ELPP_LOGGING_ENABLED
+ }
+
+ void triggerDispatch(void) {
+ if (m_proceed) {
+ base::LogDispatcher(m_proceed, LogMessage(m_level, m_file, m_line, m_func, m_verboseLevel,
+ m_logger), m_dispatchAction).dispatch();
+ }
+ if (m_logger != nullptr) {
+ m_logger->stream().str(ELPP_LITERAL(""));
+ m_logger->releaseLock();
+ }
+ if (m_proceed && m_level == Level::Fatal
+ && !ELPP->hasFlag(LoggingFlag::DisableApplicationAbortOnFatalLog)) {
+ base::Writer(Level::Warning, m_file, m_line, m_func).construct(1, base::consts::kDefaultLoggerId)
+ << "Aborting application. Reason: Fatal log at [" << m_file << ":" << m_line << "]";
+ std::stringstream reasonStream;
+ reasonStream << "Fatal log at [" << m_file << ":" << m_line << "]"
+ << " If you wish to disable 'abort on fatal log' please use "
+ << "el::Helpers::addFlag(el::LoggingFlag::DisableApplicationAbortOnFatalLog)";
+ base::utils::abort(1, reasonStream.str());
+ }
+ m_proceed = false;
+ }
+ };
+ class PErrorWriter : public base::Writer {
+ public:
+ PErrorWriter(Level level, const char* file, unsigned long int line,
+ const char* func, base::DispatchAction dispatchAction = base::DispatchAction::NormalLog,
+ base::type::VerboseLevel verboseLevel = 0) :
+ base::Writer(level, file, line, func, dispatchAction, verboseLevel) {
+ }
+
+ virtual ~PErrorWriter(void) {
+ if (m_proceed) {
+#if ELPP_COMPILER_MSVC
+ char buff[256];
+ strerror_s(buff, 256, errno);
+ m_logger->stream() << ": " << buff << " [" << errno << "]";
+#else
+ m_logger->stream() << ": " << strerror(errno) << " [" << errno << "]";
+#endif
+ }
+ }
+ };
+ } // namespace base
+ // Logging from Logger class. Why this is here? Because we have Storage and Writer class available
+#if ELPP_VARIADIC_TEMPLATES_SUPPORTED
+ template <typename T, typename... Args>
+ void Logger::log_(Level level, int vlevel, const char* s, const T& value, const Args&... args) {
+ base::MessageBuilder b;
+ b.initialize(this);
+ while (*s) {
+ if (*s == base::consts::kFormatSpecifierChar) {
+ if (*(s + 1) == base::consts::kFormatSpecifierChar) {
+ ++s;
+ } else {
+ if (*(s + 1) == base::consts::kFormatSpecifierCharValue) {
+ ++s;
+ b << value;
+ log_(level, vlevel, ++s, args...);
+ return;
+ }
+ }
+ }
+ b << *s++;
+ }
+ ELPP_INTERNAL_ERROR("Too many arguments provided. Unable to handle. Please provide more format specifiers", false);
+ }
+ template <typename T>
+ inline void Logger::log_(Level level, int vlevel, const T& log) {
+ if (level == Level::Verbose) {
+ if (ELPP->vRegistry()->allowed(vlevel, __FILE__)) {
+ base::Writer(Level::Verbose, "FILE", 0, "FUNCTION",
+ base::DispatchAction::NormalLog, vlevel).construct(this, false) << log;
+ } else {
+ stream().str(ELPP_LITERAL(""));
+ }
+ } else {
+ base::Writer(level, "FILE", 0, "FUNCTION").construct(this, false) << log;
+ }
+ }
+ template <typename T, typename... Args>
+ void Logger::log(Level level, const char* s, const T& value, const Args&... args) {
+ base::threading::ScopedLock scopedLock(lock());
+ log_(level, 0, s, value, args...);
+ }
+ template <typename T>
+ inline void Logger::log(Level level, const T& log) {
+ base::threading::ScopedLock scopedLock(lock());
+ log_(level, 0, log);
+ }
+# if ELPP_VERBOSE_LOG
+ template <typename T, typename... Args>
+ inline void Logger::verbose(int vlevel, const char* s, const T& value, const Args&... args) {
+ base::threading::ScopedLock scopedLock(lock());
+ log_(el::Level::Verbose, vlevel, s, value, args...);
+ }
+ template <typename T>
+ inline void Logger::verbose(int vlevel, const T& log) {
+ base::threading::ScopedLock scopedLock(lock());
+ log_(el::Level::Verbose, vlevel, log);
+ }
+# else
+ template <typename T, typename... Args>
+ inline void Logger::verbose(int, const char*, const T&, const Args&...) {
+ return;
+ }
+ template <typename T>
+ inline void Logger::verbose(int, const T&) {
+ return;
+ }
+# endif // ELPP_VERBOSE_LOG
+# define LOGGER_LEVEL_WRITERS(FUNCTION_NAME, LOG_LEVEL)\
+template <typename T, typename... Args>\
+inline void Logger::FUNCTION_NAME(const char* s, const T& value, const Args&... args) {\
+log(LOG_LEVEL, s, value, args...);\
+}\
+template <typename T>\
+inline void Logger::FUNCTION_NAME(const T& value) {\
+log(LOG_LEVEL, value);\
+}
+# define LOGGER_LEVEL_WRITERS_DISABLED(FUNCTION_NAME, LOG_LEVEL)\
+template <typename T, typename... Args>\
+inline void Logger::FUNCTION_NAME(const char*, const T&, const Args&...) {\
+return;\
+}\
+template <typename T>\
+inline void Logger::FUNCTION_NAME(const T&) {\
+return;\
+}
+
+# if ELPP_INFO_LOG
+ LOGGER_LEVEL_WRITERS(info, Level::Info)
+# else
+ LOGGER_LEVEL_WRITERS_DISABLED(info, Level::Info)
+# endif // ELPP_INFO_LOG
+# if ELPP_DEBUG_LOG
+ LOGGER_LEVEL_WRITERS(debug, Level::Debug)
+# else
+ LOGGER_LEVEL_WRITERS_DISABLED(debug, Level::Debug)
+# endif // ELPP_DEBUG_LOG
+# if ELPP_WARNING_LOG
+ LOGGER_LEVEL_WRITERS(warn, Level::Warning)
+# else
+ LOGGER_LEVEL_WRITERS_DISABLED(warn, Level::Warning)
+# endif // ELPP_WARNING_LOG
+# if ELPP_ERROR_LOG
+ LOGGER_LEVEL_WRITERS(error, Level::Error)
+# else
+ LOGGER_LEVEL_WRITERS_DISABLED(error, Level::Error)
+# endif // ELPP_ERROR_LOG
+# if ELPP_FATAL_LOG
+ LOGGER_LEVEL_WRITERS(fatal, Level::Fatal)
+# else
+ LOGGER_LEVEL_WRITERS_DISABLED(fatal, Level::Fatal)
+# endif // ELPP_FATAL_LOG
+# if ELPP_TRACE_LOG
+ LOGGER_LEVEL_WRITERS(trace, Level::Trace)
+# else
+ LOGGER_LEVEL_WRITERS_DISABLED(trace, Level::Trace)
+# endif // ELPP_TRACE_LOG
+# undef LOGGER_LEVEL_WRITERS
+# undef LOGGER_LEVEL_WRITERS_DISABLED
+#endif // ELPP_VARIADIC_TEMPLATES_SUPPORTED
+#if ELPP_COMPILER_MSVC
+# define ELPP_VARIADIC_FUNC_MSVC(variadicFunction, variadicArgs) variadicFunction variadicArgs
+# define ELPP_VARIADIC_FUNC_MSVC_RUN(variadicFunction, ...) ELPP_VARIADIC_FUNC_MSVC(variadicFunction, (__VA_ARGS__))
+# define el_getVALength(...) ELPP_VARIADIC_FUNC_MSVC_RUN(el_resolveVALength, 0, ## __VA_ARGS__,\
+10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+#else
+# if ELPP_COMPILER_CLANG
+# define el_getVALength(...) el_resolveVALength(0, __VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+# else
+# define el_getVALength(...) el_resolveVALength(0, ## __VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+# endif // ELPP_COMPILER_CLANG
+#endif // ELPP_COMPILER_MSVC
+#define el_resolveVALength(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N
+#define ELPP_WRITE_LOG(writer, level, dispatchAction, ...) \
+writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
+#define ELPP_WRITE_LOG_IF(writer, condition, level, dispatchAction, ...) if (condition) \
+writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
+#define ELPP_WRITE_LOG_EVERY_N(writer, occasion, level, dispatchAction, ...) \
+if (ELPP->validateEveryNCounter(__FILE__, __LINE__, occasion)) \
+writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
+#define ELPP_WRITE_LOG_AFTER_N(writer, n, level, dispatchAction, ...) \
+if (ELPP->validateAfterNCounter(__FILE__, __LINE__, n)) \
+writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
+#define ELPP_WRITE_LOG_N_TIMES(writer, n, level, dispatchAction, ...) \
+if (ELPP->validateNTimesCounter(__FILE__, __LINE__, n)) \
+writer(level, __FILE__, __LINE__, ELPP_FUNC, dispatchAction).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
+#undef ELPP_CURR_FILE_PERFORMANCE_LOGGER
+#if defined(ELPP_PERFORMANCE_LOGGER)
+# define ELPP_CURR_FILE_PERFORMANCE_LOGGER ELPP_PERFORMANCE_LOGGER
+#else
+# define ELPP_CURR_FILE_PERFORMANCE_LOGGER el::base::consts::kPerformanceLoggerId
+#endif
+ class PerformanceTrackingData {
+ public:
+ enum class DataType : base::type::EnumType {
+ Checkpoint = 1, Complete = 2
+ };
+ // Do not use constructor, will run into multiple definition error, use init(PerformanceTracker*)
+ explicit PerformanceTrackingData(DataType dataType) : m_performanceTracker(nullptr),
+ m_dataType(dataType), m_file(""), m_line(0), m_func("") {}
+ inline const std::string* blockName(void) const;
+ inline const struct timeval* startTime(void) const;
+ inline const struct timeval* endTime(void) const;
+ inline const struct timeval* lastCheckpointTime(void) const;
+ inline const base::PerformanceTracker* performanceTracker(void) const { return m_performanceTracker; }
+ inline PerformanceTrackingData::DataType dataType(void) const { return m_dataType; }
+ inline bool firstCheckpoint(void) const { return m_firstCheckpoint; }
+ inline std::string checkpointId(void) const { return m_checkpointId; }
+ inline const char* file(void) const { return m_file; }
+ inline unsigned long int line(void) const { return m_line; }
+ inline const char* func(void) const { return m_func; }
+ inline const base::type::string_t* formattedTimeTaken() const { return &m_formattedTimeTaken; }
+ inline const std::string& loggerId(void) const;
+ private:
+ base::PerformanceTracker* m_performanceTracker;
+ base::type::string_t m_formattedTimeTaken;
+ PerformanceTrackingData::DataType m_dataType;
+ bool m_firstCheckpoint;
+ std::string m_checkpointId;
+ const char* m_file;
+ unsigned long int m_line;
+ const char* m_func;
+ inline void init(base::PerformanceTracker* performanceTracker, bool firstCheckpoint = false) {
+ m_performanceTracker = performanceTracker;
+ m_firstCheckpoint = firstCheckpoint;
+ }
+
+ friend class el::base::PerformanceTracker;
+ };
+ namespace base {
+ /// @brief Represents performanceTracker block of code that conditionally adds performance status to log
+ /// either when goes outside the scope of when checkpoint() is called
+ class PerformanceTracker : public base::threading::ThreadSafe, public Loggable {
+ public:
+ PerformanceTracker(const std::string& blockName,
+ base::TimestampUnit timestampUnit = base::TimestampUnit::Millisecond,
+ const std::string& loggerId = std::string(ELPP_CURR_FILE_PERFORMANCE_LOGGER),
+ bool scopedLog = true, Level level = base::consts::kPerformanceTrackerDefaultLevel) :
+ m_blockName(blockName), m_timestampUnit(timestampUnit), m_loggerId(loggerId), m_scopedLog(scopedLog),
+ m_level(level), m_hasChecked(false), m_lastCheckpointId(std::string()), m_enabled(false) {
+#if !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED
+ // We store it locally so that if user happen to change configuration by the end of scope
+ // or before calling checkpoint, we still depend on state of configuraton at time of construction
+ el::Logger* loggerPtr = ELPP->registeredLoggers()->get(loggerId, false);
+ m_enabled = loggerPtr != nullptr && loggerPtr->m_typedConfigurations->performanceTracking(m_level);
+ if (m_enabled) {
+ base::utils::DateTime::gettimeofday(&m_startTime);
+ }
+#endif // !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED
+ }
+ /// @brief Copy constructor
+ PerformanceTracker(const PerformanceTracker& t) :
+ m_blockName(t.m_blockName), m_timestampUnit(t.m_timestampUnit), m_loggerId(t.m_loggerId), m_scopedLog(t.m_scopedLog),
+ m_level(t.m_level), m_hasChecked(t.m_hasChecked), m_lastCheckpointId(t.m_lastCheckpointId), m_enabled(t.m_enabled),
+ m_startTime(t.m_startTime), m_endTime(t.m_endTime), m_lastCheckpointTime(t.m_lastCheckpointTime) {
+ }
+ virtual ~PerformanceTracker(void) {
+#if !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED
+ if (m_enabled) {
+ base::threading::ScopedLock scopedLock(lock());
+ if (m_scopedLog) {
+ base::utils::DateTime::gettimeofday(&m_endTime);
+ base::type::string_t formattedTime = getFormattedTimeTaken();
+ PerformanceTrackingData data(PerformanceTrackingData::DataType::Complete);
+ data.init(this);
+ data.m_formattedTimeTaken = formattedTime;
+ PerformanceTrackingCallback* callback = nullptr;
+ for (const std::pair<std::string, base::type::PerformanceTrackingCallbackPtr>& h
+ : ELPP->m_performanceTrackingCallbacks) {
+ callback = h.second.get();
+ if (callback != nullptr && callback->enabled()) {
+ callback->acquireLock();
+ callback->handle(&data);
+ callback->releaseLock();
+ }
+ }
+ }
+ }
+#endif // !defined(ELPP_DISABLE_PERFORMANCE_TRACKING)
+ }
+ /// @brief A checkpoint for current performanceTracker block.
+ void checkpoint(const std::string& id = std::string(), const char* file = __FILE__, unsigned long int line = __LINE__, const char* func = "") {
+#if !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED
+ if (m_enabled) {
+ base::threading::ScopedLock scopedLock(lock());
+ base::utils::DateTime::gettimeofday(&m_endTime);
+ base::type::string_t formattedTime = m_hasChecked ? getFormattedTimeTaken(m_lastCheckpointTime) : ELPP_LITERAL("");
+ PerformanceTrackingData data(PerformanceTrackingData::DataType::Checkpoint);
+ data.init(this);
+ data.m_checkpointId = id;
+ data.m_file = file;
+ data.m_line = line;
+ data.m_func = func;
+ data.m_formattedTimeTaken = formattedTime;
+ PerformanceTrackingCallback* callback = nullptr;
+ for (const std::pair<std::string, base::type::PerformanceTrackingCallbackPtr>& h
+ : ELPP->m_performanceTrackingCallbacks) {
+ callback = h.second.get();
+ if (callback != nullptr && callback->enabled()) {
+ callback->acquireLock();
+ callback->handle(&data);
+ callback->releaseLock();
+ }
+ }
+ base::utils::DateTime::gettimeofday(&m_lastCheckpointTime);
+ m_hasChecked = true;
+ m_lastCheckpointId = id;
+ }
+#endif // !defined(ELPP_DISABLE_PERFORMANCE_TRACKING) && ELPP_LOGGING_ENABLED
+ ELPP_UNUSED(id);
+ ELPP_UNUSED(file);
+ ELPP_UNUSED(line);
+ ELPP_UNUSED(func);
+ }
+ inline Level level(void) const { return m_level; }
+ private:
+ std::string m_blockName;
+ base::TimestampUnit m_timestampUnit;
+ std::string m_loggerId;
+ bool m_scopedLog;
+ Level m_level;
+ bool m_hasChecked;
+ std::string m_lastCheckpointId;
+ bool m_enabled;
+ struct timeval m_startTime, m_endTime, m_lastCheckpointTime;
+
+ PerformanceTracker(void);
+
+ friend class el::PerformanceTrackingData;
+ friend class base::DefaultPerformanceTrackingCallback;
+
+ const inline base::type::string_t getFormattedTimeTaken() const {
+ return getFormattedTimeTaken(m_startTime);
+ }
+
+ const base::type::string_t getFormattedTimeTaken(struct timeval startTime) const {
+ if (ELPP->hasFlag(LoggingFlag::FixedTimeFormat)) {
+ base::type::stringstream_t ss;
+ ss << base::utils::DateTime::getTimeDifference(m_endTime,
+ startTime, m_timestampUnit) << " " << base::consts::kTimeFormats[static_cast<base::type::EnumType>(m_timestampUnit)].unit;
+ return ss.str();
+ }
+ return base::utils::DateTime::formatTime(base::utils::DateTime::getTimeDifference(m_endTime,
+ startTime, m_timestampUnit), m_timestampUnit);
+ }
+
+ virtual inline void log(el::base::type::ostream_t& os) const {
+ os << getFormattedTimeTaken();
+ }
+ };
+ class DefaultPerformanceTrackingCallback : public PerformanceTrackingCallback {
+ protected:
+ void handle(const PerformanceTrackingData* data) {
+ m_data = data;
+ base::type::stringstream_t ss;
+ if (m_data->dataType() == PerformanceTrackingData::DataType::Complete) {
+ ss << ELPP_LITERAL("Executed [") << m_data->blockName()->c_str() << ELPP_LITERAL("] in [") << *m_data->formattedTimeTaken() << ELPP_LITERAL("]");
+ } else {
+ ss << ELPP_LITERAL("Performance checkpoint");
+ if (!m_data->checkpointId().empty()) {
+ ss << ELPP_LITERAL(" [") << m_data->checkpointId().c_str() << ELPP_LITERAL("]");
+ }
+ ss << ELPP_LITERAL(" for block [") << m_data->blockName()->c_str() << ELPP_LITERAL("] : [") << *m_data->performanceTracker();
+ if (!ELPP->hasFlag(LoggingFlag::DisablePerformanceTrackingCheckpointComparison) && m_data->performanceTracker()->m_hasChecked) {
+ ss << ELPP_LITERAL(" ([") << *m_data->formattedTimeTaken() << ELPP_LITERAL("] from ");
+ if (m_data->performanceTracker()->m_lastCheckpointId.empty()) {
+ ss << ELPP_LITERAL("last checkpoint");
+ } else {
+ ss << ELPP_LITERAL("checkpoint '") << m_data->performanceTracker()->m_lastCheckpointId.c_str() << ELPP_LITERAL("'");
+ }
+ ss << ELPP_LITERAL(")]");
+ } else {
+ ss << ELPP_LITERAL("]");
+ }
+ }
+ el::base::Writer(m_data->performanceTracker()->level(), m_data->file(), m_data->line(), m_data->func()).construct(1, m_data->loggerId().c_str()) << ss.str();
+ }
+ private:
+ const PerformanceTrackingData* m_data;
+ };
+ } // namespace base
+ inline const std::string* PerformanceTrackingData::blockName() const {
+ return const_cast<const std::string*>(&m_performanceTracker->m_blockName);
+ }
+ inline const struct timeval* PerformanceTrackingData::startTime() const {
+ return const_cast<const struct timeval*>(&m_performanceTracker->m_startTime);
+ }
+ inline const struct timeval* PerformanceTrackingData::endTime() const {
+ return const_cast<const struct timeval*>(&m_performanceTracker->m_endTime);
+ }
+ inline const struct timeval* PerformanceTrackingData::lastCheckpointTime() const {
+ return const_cast<const struct timeval*>(&m_performanceTracker->m_lastCheckpointTime);
+ }
+ inline const std::string& PerformanceTrackingData::loggerId(void) const { return m_performanceTracker->m_loggerId; }
+ namespace base {
+ /// @brief Contains some internal debugging tools like crash handler and stack tracer
+ namespace debug {
+ class StackTrace : base::NoCopy {
+ public:
+ static const std::size_t kMaxStack = 64;
+ static const std::size_t kStackStart = 2; // We want to skip c'tor and StackTrace::generateNew()
+ class StackTraceEntry {
+ public:
+ StackTraceEntry(std::size_t index, const char* loc, const char* demang, const char* hex, const char* addr) {
+ m_index = index;
+ m_location = std::string(loc);
+ m_demangled = std::string(demang);
+ m_hex = std::string(hex);
+ m_addr = std::string(addr);
+ }
+ StackTraceEntry(std::size_t index, char* loc) {
+ m_index = index;
+ m_location = std::string(loc);
+ }
+ std::size_t m_index;
+ std::string m_location;
+ std::string m_demangled;
+ std::string m_hex;
+ std::string m_addr;
+ friend std::ostream& operator<<(std::ostream& ss, const StackTraceEntry& si) {
+ ss << "[" << si.m_index << "] " << si.m_location << (si.m_demangled.empty() ? "" : ":") << si.m_demangled
+ << (si.m_hex.empty() ? "" : "+") << si.m_hex << si.m_addr;
+ return ss;
+ }
+
+ private:
+ StackTraceEntry(void);
+ };
+
+ StackTrace(void) {
+ generateNew();
+ }
+
+ virtual ~StackTrace(void) {
+ }
+
+ inline std::vector<StackTraceEntry>& getLatestStack(void) {
+ return m_stack;
+ }
+
+ friend inline std::ostream& operator<<(std::ostream& os, const StackTrace& st) {
+ std::vector<StackTraceEntry>::const_iterator it = st.m_stack.begin();
+ while (it != st.m_stack.end()) {
+ os << " " << *it++ << "\n";
+ }
+ return os;
+ }
+
+ private:
+ std::vector<StackTraceEntry> m_stack;
+
+ void generateNew(void) {
+#if ELPP_STACKTRACE
+ m_stack.clear();
+ void* stack[kMaxStack];
+ std::size_t size = backtrace(stack, kMaxStack);
+ char** strings = backtrace_symbols(stack, size);
+ if (size > kStackStart) { // Skip StackTrace c'tor and generateNew
+ for (std::size_t i = kStackStart; i < size; ++i) {
+ char* mangName = nullptr;
+ char* hex = nullptr;
+ char* addr = nullptr;
+ for (char* c = strings[i]; *c; ++c) {
+ switch (*c) {
+ case '(':
+ mangName = c;
+ break;
+ case '+':
+ hex = c;
+ break;
+ case ')':
+ addr = c;
+ break;
+ default:
+ break;
+ }
+ }
+ // Perform demangling if parsed properly
+ if (mangName != nullptr && hex != nullptr && addr != nullptr && mangName < hex) {
+ *mangName++ = '\0';
+ *hex++ = '\0';
+ *addr++ = '\0';
+ int status = 0;
+ char* demangName = abi::__cxa_demangle(mangName, 0, 0, &status);
+ // if demangling is successful, output the demangled function name
+ if (status == 0) {
+ // Success (see http://gcc.gnu.org/onlinedocs/libstdc++/libstdc++-html-USERS-4.3/a01696.html)
+ StackTraceEntry entry(i - 1, strings[i], demangName, hex, addr);
+ m_stack.push_back(entry);
+ } else {
+ // Not successful - we will use mangled name
+ StackTraceEntry entry(i - 1, strings[i], mangName, hex, addr);
+ m_stack.push_back(entry);
+ }
+ free(demangName);
+ } else {
+ StackTraceEntry entry(i - 1, strings[i]);
+ m_stack.push_back(entry);
+ }
+ }
+ }
+ free(strings);
+#else
+ ELPP_INTERNAL_INFO(1, "Stacktrace generation not supported for selected compiler");
+#endif // ELPP_STACKTRACE
+ }
+ };
+ static std::string crashReason(int sig) {
+ std::stringstream ss;
+ bool foundReason = false;
+ for (int i = 0; i < base::consts::kCrashSignalsCount; ++i) {
+ if (base::consts::kCrashSignals[i].numb == sig) {
+ ss << "Application has crashed due to [" << base::consts::kCrashSignals[i].name << "] signal";
+ if (ELPP->hasFlag(el::LoggingFlag::LogDetailedCrashReason)) {
+ ss << std::endl <<
+ " " << base::consts::kCrashSignals[i].brief << std::endl <<
+ " " << base::consts::kCrashSignals[i].detail;
+ }
+ foundReason = true;
+ }
+ }
+ if (!foundReason) {
+ ss << "Application has crashed due to unknown signal [" << sig << "]";
+ }
+ return ss.str();
+ }
+ /// @brief Logs reason of crash from sig
+ static void logCrashReason(int sig, bool stackTraceIfAvailable, Level level, const char* logger) {
+ std::stringstream ss;
+ ss << "CRASH HANDLED; ";
+ ss << crashReason(sig);
+#if ELPP_STACKTRACE
+ if (stackTraceIfAvailable) {
+ ss << std::endl << " ======= Backtrace: =========" << std::endl << base::debug::StackTrace();
+ }
+#else
+ ELPP_UNUSED(stackTraceIfAvailable);
+#endif // ELPP_STACKTRACE
+ ELPP_WRITE_LOG(el::base::Writer, level, base::DispatchAction::NormalLog, logger) << ss.str();
+ }
+ static inline void crashAbort(int sig) {
+ base::utils::abort(sig);
+ }
+ /// @brief Default application crash handler
+ ///
+ /// @detail This function writes log using 'default' logger, prints stack trace for GCC based compilers and aborts program.
+ static inline void defaultCrashHandler(int sig) {
+ base::debug::logCrashReason(sig, true, Level::Fatal, base::consts::kDefaultLoggerId);
+ base::debug::crashAbort(sig);
+ }
+ /// @brief Handles unexpected crashes
+ class CrashHandler : base::NoCopy {
+ public:
+ typedef void (*Handler)(int);
+
+ explicit CrashHandler(bool useDefault) {
+ if (useDefault) {
+ setHandler(defaultCrashHandler);
+ }
+ }
+ explicit CrashHandler(const Handler& cHandler) {
+ setHandler(cHandler);
+ }
+ void setHandler(const Handler& cHandler) {
+ m_handler = cHandler;
+#if defined(ELPP_HANDLE_SIGABRT)
+ int i = 0; // SIGABRT is at base::consts::kCrashSignals[0]
+#else
+ int i = 1;
+#endif // defined(ELPP_HANDLE_SIGABRT)
+ for (; i < base::consts::kCrashSignalsCount; ++i) {
+ m_handler = signal(base::consts::kCrashSignals[i].numb, cHandler);
+ }
+ }
+
+ private:
+ Handler m_handler;
+ };
+ } // namespace debug
+ } // namespace base
+ extern base::debug::CrashHandler elCrashHandler;
+#define MAKE_LOGGABLE(ClassType, ClassInstance, OutputStreamInstance) \
+el::base::type::ostream_t& operator<<(el::base::type::ostream_t& OutputStreamInstance, const ClassType& ClassInstance)
+ /// @brief Initializes syslog with process ID, options and facility. calls closelog() on d'tor
+ class SysLogInitializer {
+ public:
+ SysLogInitializer(const char* processIdent, int options = 0, int facility = 0) {
+#if defined(ELPP_SYSLOG)
+ openlog(processIdent, options, facility);
+#else
+ ELPP_UNUSED(processIdent);
+ ELPP_UNUSED(options);
+ ELPP_UNUSED(facility);
+#endif // defined(ELPP_SYSLOG)
+ }
+ virtual ~SysLogInitializer(void) {
+#if defined(ELPP_SYSLOG)
+ closelog();
+#endif // defined(ELPP_SYSLOG)
+ }
+ };
+#define ELPP_INITIALIZE_SYSLOG(id, opt, fac) el::SysLogInitializer elSyslogInit(id, opt, fac)
+ /// @brief Static helpers for developers
+ class Helpers : base::StaticClass {
+ public:
+ /// @brief Shares logging repository (base::Storage)
+ static inline void setStorage(base::type::StoragePointer storage) {
+ ELPP = storage;
+ }
+ /// @return Main storage repository
+ static inline base::type::StoragePointer storage() {
+ return ELPP;
+ }
+ /// @brief Sets application arguments and figures out whats active for logging and whats not.
+ static inline void setArgs(int argc, char** argv) {
+ ELPP->setApplicationArguments(argc, argv);
+ }
+ /// @copydoc setArgs(int argc, char** argv)
+ static inline void setArgs(int argc, const char** argv) {
+ ELPP->setApplicationArguments(argc, const_cast<char**>(argv));
+ }
+ /// @brief Overrides default crash handler and installs custom handler.
+ /// @param crashHandler A functor with no return type that takes single int argument.
+ /// Handler is a typedef with specification: void (*Handler)(int)
+ static inline void setCrashHandler(const el::base::debug::CrashHandler::Handler& crashHandler) {
+ el::elCrashHandler.setHandler(crashHandler);
+ }
+ /// @brief Abort due to crash with signal in parameter
+ /// @param sig Crash signal
+ static inline void crashAbort(int sig, const char* sourceFile = "", unsigned int long line = 0) {
+ std::stringstream ss;
+ ss << base::debug::crashReason(sig).c_str();
+ ss << " - [Called el::Helpers::crashAbort(" << sig << ")]";
+ if (sourceFile != nullptr && strlen(sourceFile) > 0) {
+ ss << " - Source: " << sourceFile;
+ if (line > 0)
+ ss << ":" << line;
+ else
+ ss << " (line number not specified)";
+ }
+ base::utils::abort(sig, ss.str());
+ }
+ /// @brief Logs reason of crash as per sig
+ /// @param sig Crash signal
+ /// @param stackTraceIfAvailable Includes stack trace if available
+ /// @param level Logging level
+ /// @param logger Logger to use for logging
+ static inline void logCrashReason(int sig, bool stackTraceIfAvailable = false,
+ Level level = Level::Fatal, const char* logger = base::consts::kDefaultLoggerId) {
+ el::base::debug::logCrashReason(sig, stackTraceIfAvailable, level, logger);
+ }
+ /// @brief Installs pre rollout callback, this callback is triggered when log file is about to be rolled out
+ /// (can be useful for backing up)
+ static inline void installPreRollOutCallback(const PreRollOutCallback& callback) {
+ ELPP->setPreRollOutCallback(callback);
+ }
+ /// @brief Uninstalls pre rollout callback
+ static inline void uninstallPreRollOutCallback(void) {
+ ELPP->unsetPreRollOutCallback();
+ }
+ /// @brief Installs post log dispatch callback, this callback is triggered when log is dispatched
+ template <typename T>
+ static inline bool installLogDispatchCallback(const std::string& id) {
+ return ELPP->installLogDispatchCallback<T>(id);
+ }
+ /// @brief Uninstalls log dispatch callback
+ template <typename T>
+ static inline void uninstallLogDispatchCallback(const std::string& id) {
+ ELPP->uninstallLogDispatchCallback<T>(id);
+ }
+ template <typename T>
+ static inline T* logDispatchCallback(const std::string& id) {
+ return ELPP->logDispatchCallback<T>(id);
+ }
+ /// @brief Installs post performance tracking callback, this callback is triggered when performance tracking is finished
+ template <typename T>
+ static inline bool installPerformanceTrackingCallback(const std::string& id) {
+ return ELPP->installPerformanceTrackingCallback<T>(id);
+ }
+ /// @brief Uninstalls post performance tracking handler
+ template <typename T>
+ static inline void uninstallPerformanceTrackingCallback(const std::string& id) {
+ ELPP->uninstallPerformanceTrackingCallback<T>(id);
+ }
+ template <typename T>
+ static inline T* performanceTrackingCallback(const std::string& id) {
+ return ELPP->performanceTrackingCallback<T>(id);
+ }
+ /// @brief Converts template to std::string - useful for loggable classes to log containers within log(std::ostream&) const
+ template <typename T>
+ static std::string convertTemplateToStdString(const T& templ) {
+ el::Logger* logger =
+ ELPP->registeredLoggers()->get(el::base::consts::kDefaultLoggerId);
+ if (logger == nullptr) {
+ return std::string();
+ }
+ base::MessageBuilder b;
+ b.initialize(logger);
+ logger->acquireLock();
+ b << templ;
+#if defined(ELPP_UNICODE)
+ std::string s = std::string(logger->stream().str().begin(), logger->stream().str().end());
+#else
+ std::string s = logger->stream().str();
+#endif // defined(ELPP_UNICODE)
+ logger->stream().str(ELPP_LITERAL(""));
+ logger->releaseLock();
+ return s;
+ }
+ /// @brief Returns command line arguments (pointer) provided to easylogging++
+ static inline const el::base::utils::CommandLineArgs* commandLineArgs(void) {
+ return ELPP->commandLineArgs();
+ }
+ /// @brief Installs user defined format specifier and handler
+ static inline void installCustomFormatSpecifier(const CustomFormatSpecifier& customFormatSpecifier) {
+ ELPP->installCustomFormatSpecifier(customFormatSpecifier);
+ }
+ /// @brief Uninstalls user defined format specifier and handler
+ static inline bool uninstallCustomFormatSpecifier(const char* formatSpecifier) {
+ return ELPP->uninstallCustomFormatSpecifier(formatSpecifier);
+ }
+ /// @brief Returns true if custom format specifier is installed
+ static inline bool hasCustomFormatSpecifier(const char* formatSpecifier) {
+ return ELPP->hasCustomFormatSpecifier(formatSpecifier);
+ }
+ static inline void validateFileRolling(Logger* logger, Level level) {
+ if (logger == nullptr) return;
+ logger->m_typedConfigurations->validateFileRolling(level, ELPP->preRollOutCallback());
+ }
+ };
+ /// @brief Static helpers to deal with loggers and their configurations
+ class Loggers : base::StaticClass {
+ public:
+ /// @brief Gets existing or registers new logger
+ static inline Logger* getLogger(const std::string& identity, bool registerIfNotAvailable = true) {
+ base::threading::ScopedLock scopedLock(ELPP->lock());
+ return ELPP->registeredLoggers()->get(identity, registerIfNotAvailable);
+ }
+ /// @brief Unregisters logger - use it only when you know what you are doing, you may unregister
+ /// loggers initialized / used by third-party libs.
+ static inline bool unregisterLogger(const std::string& identity) {
+ base::threading::ScopedLock scopedLock(ELPP->lock());
+ return ELPP->registeredLoggers()->remove(identity);
+ }
+ /// @brief Whether or not logger with id is registered
+ static inline bool hasLogger(const std::string& identity) {
+ base::threading::ScopedLock scopedLock(ELPP->lock());
+ return ELPP->registeredLoggers()->has(identity);
+ }
+ /// @brief Reconfigures specified logger with new configurations
+ static inline Logger* reconfigureLogger(Logger* logger, const Configurations& configurations) {
+ if (!logger) return nullptr;
+ logger->configure(configurations);
+ return logger;
+ }
+ /// @brief Reconfigures logger with new configurations after looking it up using identity
+ static inline Logger* reconfigureLogger(const std::string& identity, const Configurations& configurations) {
+ return Loggers::reconfigureLogger(Loggers::getLogger(identity), configurations);
+ }
+ /// @brief Reconfigures logger's single configuration
+ static inline Logger* reconfigureLogger(const std::string& identity, ConfigurationType configurationType,
+ const std::string& value) {
+ Logger* logger = Loggers::getLogger(identity);
+ if (logger == nullptr) {
+ return nullptr;
+ }
+ logger->configurations()->set(Level::Global, configurationType, value);
+ logger->reconfigure();
+ return logger;
+ }
+ /// @brief Reconfigures all the existing loggers with new configurations
+ static inline void reconfigureAllLoggers(const Configurations& configurations) {
+ for (base::RegisteredLoggers::iterator it = ELPP->registeredLoggers()->begin();
+ it != ELPP->registeredLoggers()->end(); ++it) {
+ Loggers::reconfigureLogger(it->second, configurations);
+ }
+ }
+ /// @brief Reconfigures single configuration for all the loggers
+ static inline void reconfigureAllLoggers(ConfigurationType configurationType, const std::string& value) {
+ reconfigureAllLoggers(Level::Global, configurationType, value);
+ }
+ /// @brief Reconfigures single configuration for all the loggers for specified level
+ static inline void reconfigureAllLoggers(Level level, ConfigurationType configurationType,
+ const std::string& value) {
+ for (base::RegisteredLoggers::iterator it = ELPP->registeredLoggers()->begin();
+ it != ELPP->registeredLoggers()->end(); ++it) {
+ Logger* logger = it->second;
+ logger->configurations()->set(level, configurationType, value);
+ logger->reconfigure();
+ }
+ }
+ /// @brief Sets default configurations. This configuration is used for future (and conditionally for existing) loggers
+ static inline void setDefaultConfigurations(const Configurations& configurations, bool reconfigureExistingLoggers = false) {
+ ELPP->registeredLoggers()->setDefaultConfigurations(configurations);
+ if (reconfigureExistingLoggers) {
+ Loggers::reconfigureAllLoggers(configurations);
+ }
+ }
+ /// @brief Returns current default
+ static inline const Configurations* defaultConfigurations(void) {
+ return ELPP->registeredLoggers()->defaultConfigurations();
+ }
+ /// @brief Returns log stream reference pointer if needed by user
+ static inline const base::LogStreamsReferenceMap* logStreamsReference(void) {
+ return ELPP->registeredLoggers()->logStreamsReference();
+ }
+ /// @brief Default typed configuration based on existing defaultConf
+ static base::TypedConfigurations defaultTypedConfigurations(void) {
+ return base::TypedConfigurations(
+ ELPP->registeredLoggers()->defaultConfigurations(),
+ ELPP->registeredLoggers()->logStreamsReference());
+ }
+ /// @brief Populates all logger IDs in current repository.
+ /// @param [out] targetList List of fill up.
+ static inline std::vector<std::string>* populateAllLoggerIds(std::vector<std::string>* targetList) {
+ targetList->clear();
+ for (base::RegisteredLoggers::iterator it = ELPP->registeredLoggers()->list().begin();
+ it != ELPP->registeredLoggers()->list().end(); ++it) {
+ targetList->push_back(it->first);
+ }
+ return targetList;
+ }
+ /// @brief Sets configurations from global configuration file.
+ static void configureFromGlobal(const char* globalConfigurationFilePath) {
+ std::ifstream gcfStream(globalConfigurationFilePath, std::ifstream::in);
+ ELPP_ASSERT(gcfStream.is_open(), "Unable to open global configuration file [" << globalConfigurationFilePath
+ << "] for parsing.");
+ std::string line = std::string();
+ std::stringstream ss;
+ Logger* logger = nullptr;
+ auto configure = [&](void) {
+ ELPP_INTERNAL_INFO(8, "Configuring logger: '" << logger->id() << "' with configurations \n" << ss.str()
+ << "\n--------------");
+ Configurations c;
+ c.parseFromText(ss.str());
+ logger->configure(c);
+ };
+ while (gcfStream.good()) {
+ std::getline(gcfStream, line);
+ ELPP_INTERNAL_INFO(1, "Parsing line: " << line);
+ base::utils::Str::trim(line);
+ if (Configurations::Parser::isComment(line)) continue;
+ Configurations::Parser::ignoreComments(&line);
+ base::utils::Str::trim(line);
+ if (line.size() > 2 && base::utils::Str::startsWith(line, std::string(base::consts::kConfigurationLoggerId))) {
+ if (!ss.str().empty() && logger != nullptr) {
+ configure();
+ }
+ ss.str(std::string(""));
+ line = line.substr(2);
+ base::utils::Str::trim(line);
+ if (line.size() > 1) {
+ ELPP_INTERNAL_INFO(1, "Getting logger: '" << line << "'");
+ logger = getLogger(line);
+ }
+ } else {
+ ss << line << "\n";
+ }
+ }
+ if (!ss.str().empty() && logger != nullptr) {
+ configure();
+ }
+ }
+ /// @brief Configures loggers using command line arg. Ensure you have already set command line args,
+ /// @return False if invalid argument or argument with no value provided, true if attempted to configure logger.
+ /// If true is returned that does not mean it has been configured successfully, it only means that it
+ /// has attempeted to configure logger using configuration file provided in argument
+ static inline bool configureFromArg(const char* argKey) {
+#if defined(ELPP_DISABLE_CONFIGURATION_FROM_PROGRAM_ARGS)
+ ELPP_UNUSED(argKey);
+#else
+ if (!Helpers::commandLineArgs()->hasParamWithValue(argKey)) {
+ return false;
+ }
+ configureFromGlobal(Helpers::commandLineArgs()->getParamValue(argKey));
+#endif // defined(ELPP_DISABLE_CONFIGURATION_FROM_PROGRAM_ARGS)
+ return true;
+ }
+ /// @brief Flushes all loggers for all levels - Be careful if you dont know how many loggers are registered
+ static inline void flushAll(void) {
+ ELPP->registeredLoggers()->flushAll();
+ }
+ /// @brief Adds logging flag used internally.
+ static inline void addFlag(LoggingFlag flag) {
+ ELPP->addFlag(flag);
+ }
+ /// @brief Removes logging flag used internally.
+ static inline void removeFlag(LoggingFlag flag) {
+ ELPP->removeFlag(flag);
+ }
+ /// @brief Determines whether or not certain flag is active
+ static inline bool hasFlag(LoggingFlag flag) {
+ return ELPP->hasFlag(flag);
+ }
+ /// @brief Adds flag and removes it when scope goes out
+ class ScopedAddFlag {
+ public:
+ ScopedAddFlag(LoggingFlag flag) : m_flag(flag) { Loggers::addFlag(m_flag); }
+ ~ScopedAddFlag(void) { Loggers::removeFlag(m_flag); }
+ private:
+ LoggingFlag m_flag;
+ };
+ /// @brief Removes flag and add it when scope goes out
+ class ScopedRemoveFlag {
+ public:
+ ScopedRemoveFlag(LoggingFlag flag) : m_flag(flag) { Loggers::removeFlag(m_flag); }
+ ~ScopedRemoveFlag(void) { Loggers::addFlag(m_flag); }
+ private:
+ LoggingFlag m_flag;
+ };
+ /// @brief Sets hierarchy for logging. Needs to enable logging flag (HierarchicalLogging)
+ static inline void setLoggingLevel(Level level) {
+ ELPP->setLoggingLevel(level);
+ }
+ /// @brief Sets verbose level on the fly
+ static inline void setVerboseLevel(base::type::VerboseLevel level) {
+ ELPP->vRegistry()->setLevel(level);
+ }
+ /// @brief Gets current verbose level
+ static inline base::type::VerboseLevel verboseLevel(void) {
+ return ELPP->vRegistry()->level();
+ }
+ /// @brief Sets vmodules as specified (on the fly)
+ static inline void setVModules(const char* modules) {
+ if (ELPP->vRegistry()->vModulesEnabled()) {
+ ELPP->vRegistry()->setModules(modules);
+ }
+ }
+ /// @brief Clears vmodules
+ static inline void clearVModules(void) {
+ ELPP->vRegistry()->clearModules();
+ }
+ };
+ class VersionInfo : base::StaticClass {
+ public:
+ /// @brief Current version number
+ static inline const std::string version(void) { return std::string("9.84"); }
+ /// @brief Release date of current version
+ static inline const std::string releaseDate(void) { return std::string("29-07-2016 1221hrs"); }
+ };
+} // namespace el
+#undef VLOG_IS_ON
+/// @brief Determines whether verbose logging is on for specified level current file.
+#define VLOG_IS_ON(verboseLevel) (ELPP->vRegistry()->allowed(verboseLevel, __FILE__))
+#undef TIMED_BLOCK
+#undef TIMED_SCOPE
+#undef TIMED_FUNC
+#undef ELPP_MIN_UNIT
+#if defined(ELPP_PERFORMANCE_MICROSECONDS)
+# define ELPP_MIN_UNIT el::base::TimestampUnit::Microsecond
+#else
+# define ELPP_MIN_UNIT el::base::TimestampUnit::Millisecond
+#endif // (defined(ELPP_PERFORMANCE_MICROSECONDS))
+/// @brief Performance tracked scope. Performance gets written when goes out of scope using
+/// 'performance' logger.
+///
+/// @detail Please note in order to check the performance at a certain time you can use obj.checkpoint();
+/// @see el::base::PerformanceTracker
+/// @see el::base::PerformanceTracker::checkpoint
+// Note: Do not surround this definition with null macro because of obj instance
+#define TIMED_SCOPE(obj, blockname) el::base::PerformanceTracker obj(blockname, ELPP_MIN_UNIT)
+#define TIMED_BLOCK(obj, blockName) for (struct { int i; el::base::PerformanceTracker timer; } obj = { 0, \
+el::base::PerformanceTracker(blockName, ELPP_MIN_UNIT) }; obj.i < 1; ++obj.i)
+/// @brief Performance tracked function. Performance gets written when goes out of scope using
+/// 'performance' logger.
+///
+/// @detail Please note in order to check the performance at a certain time you can use obj.checkpoint();
+/// @see el::base::PerformanceTracker
+/// @see el::base::PerformanceTracker::checkpoint
+#define TIMED_FUNC(obj) TIMED_SCOPE(obj, ELPP_FUNC)
+#undef PERFORMANCE_CHECKPOINT
+#undef PERFORMANCE_CHECKPOINT_WITH_ID
+#define PERFORMANCE_CHECKPOINT(obj) obj.checkpoint(std::string(), __FILE__, __LINE__, ELPP_FUNC)
+#define PERFORMANCE_CHECKPOINT_WITH_ID(obj, id) obj.checkpoint(id, __FILE__, __LINE__, ELPP_FUNC)
+#undef ELPP_COUNTER
+#undef ELPP_COUNTER_POS
+/// @brief Gets hit counter for file/line
+#define ELPP_COUNTER (ELPP->hitCounters()->getCounter(__FILE__, __LINE__))
+/// @brief Gets hit counter position for file/line, -1 if not registered yet
+#define ELPP_COUNTER_POS (ELPP_COUNTER == nullptr ? -1 : ELPP_COUNTER->hitCounts())
+// Undef levels to support LOG(LEVEL)
+#undef INFO
+#undef WARNING
+#undef DEBUG
+#undef ERROR
+#undef FATAL
+#undef TRACE
+#undef VERBOSE
+// Undef existing
+#undef CINFO
+#undef CWARNING
+#undef CDEBUG
+#undef CFATAL
+#undef CERROR
+#undef CTRACE
+#undef CVERBOSE
+#undef CINFO_IF
+#undef CWARNING_IF
+#undef CDEBUG_IF
+#undef CERROR_IF
+#undef CFATAL_IF
+#undef CTRACE_IF
+#undef CVERBOSE_IF
+#undef CINFO_EVERY_N
+#undef CWARNING_EVERY_N
+#undef CDEBUG_EVERY_N
+#undef CERROR_EVERY_N
+#undef CFATAL_EVERY_N
+#undef CTRACE_EVERY_N
+#undef CVERBOSE_EVERY_N
+#undef CINFO_AFTER_N
+#undef CWARNING_AFTER_N
+#undef CDEBUG_AFTER_N
+#undef CERROR_AFTER_N
+#undef CFATAL_AFTER_N
+#undef CTRACE_AFTER_N
+#undef CVERBOSE_AFTER_N
+#undef CINFO_N_TIMES
+#undef CWARNING_N_TIMES
+#undef CDEBUG_N_TIMES
+#undef CERROR_N_TIMES
+#undef CFATAL_N_TIMES
+#undef CTRACE_N_TIMES
+#undef CVERBOSE_N_TIMES
+// Normal logs
+#if ELPP_INFO_LOG
+# define CINFO(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Info, dispatchAction, __VA_ARGS__)
+#else
+# define CINFO(writer, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_INFO_LOG
+#if ELPP_WARNING_LOG
+# define CWARNING(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Warning, dispatchAction, __VA_ARGS__)
+#else
+# define CWARNING(writer, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_WARNING_LOG
+#if ELPP_DEBUG_LOG
+# define CDEBUG(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Debug, dispatchAction, __VA_ARGS__)
+#else
+# define CDEBUG(writer, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_DEBUG_LOG
+#if ELPP_ERROR_LOG
+# define CERROR(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Error, dispatchAction, __VA_ARGS__)
+#else
+# define CERROR(writer, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_ERROR_LOG
+#if ELPP_FATAL_LOG
+# define CFATAL(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Fatal, dispatchAction, __VA_ARGS__)
+#else
+# define CFATAL(writer, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_FATAL_LOG
+#if ELPP_TRACE_LOG
+# define CTRACE(writer, dispatchAction, ...) ELPP_WRITE_LOG(writer, el::Level::Trace, dispatchAction, __VA_ARGS__)
+#else
+# define CTRACE(writer, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_TRACE_LOG
+#if ELPP_VERBOSE_LOG
+# define CVERBOSE(writer, vlevel, dispatchAction, ...) if (VLOG_IS_ON(vlevel)) writer(\
+el::Level::Verbose, __FILE__, __LINE__, ELPP_FUNC, dispatchAction, vlevel).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
+#else
+# define CVERBOSE(writer, vlevel, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_VERBOSE_LOG
+// Conditional logs
+#if ELPP_INFO_LOG
+# define CINFO_IF(writer, condition_, dispatchAction, ...) \
+ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Info, dispatchAction, __VA_ARGS__)
+#else
+# define CINFO_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_INFO_LOG
+#if ELPP_WARNING_LOG
+# define CWARNING_IF(writer, condition_, dispatchAction, ...)\
+ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Warning, dispatchAction, __VA_ARGS__)
+#else
+# define CWARNING_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_WARNING_LOG
+#if ELPP_DEBUG_LOG
+# define CDEBUG_IF(writer, condition_, dispatchAction, ...)\
+ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Debug, dispatchAction, __VA_ARGS__)
+#else
+# define CDEBUG_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_DEBUG_LOG
+#if ELPP_ERROR_LOG
+# define CERROR_IF(writer, condition_, dispatchAction, ...)\
+ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Error, dispatchAction, __VA_ARGS__)
+#else
+# define CERROR_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_ERROR_LOG
+#if ELPP_FATAL_LOG
+# define CFATAL_IF(writer, condition_, dispatchAction, ...)\
+ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Fatal, dispatchAction, __VA_ARGS__)
+#else
+# define CFATAL_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_FATAL_LOG
+#if ELPP_TRACE_LOG
+# define CTRACE_IF(writer, condition_, dispatchAction, ...)\
+ELPP_WRITE_LOG_IF(writer, (condition_), el::Level::Trace, dispatchAction, __VA_ARGS__)
+#else
+# define CTRACE_IF(writer, condition_, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_TRACE_LOG
+#if ELPP_VERBOSE_LOG
+# define CVERBOSE_IF(writer, condition_, vlevel, dispatchAction, ...) if (VLOG_IS_ON(vlevel) && (condition_)) writer( \
+el::Level::Verbose, __FILE__, __LINE__, ELPP_FUNC, dispatchAction, vlevel).construct(el_getVALength(__VA_ARGS__), __VA_ARGS__)
+#else
+# define CVERBOSE_IF(writer, condition_, vlevel, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_VERBOSE_LOG
+// Occasional logs
+#if ELPP_INFO_LOG
+# define CINFO_EVERY_N(writer, occasion, dispatchAction, ...)\
+ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Info, dispatchAction, __VA_ARGS__)
+#else
+# define CINFO_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_INFO_LOG
+#if ELPP_WARNING_LOG
+# define CWARNING_EVERY_N(writer, occasion, dispatchAction, ...)\
+ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Warning, dispatchAction, __VA_ARGS__)
+#else
+# define CWARNING_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_WARNING_LOG
+#if ELPP_DEBUG_LOG
+# define CDEBUG_EVERY_N(writer, occasion, dispatchAction, ...)\
+ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Debug, dispatchAction, __VA_ARGS__)
+#else
+# define CDEBUG_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_DEBUG_LOG
+#if ELPP_ERROR_LOG
+# define CERROR_EVERY_N(writer, occasion, dispatchAction, ...)\
+ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Error, dispatchAction, __VA_ARGS__)
+#else
+# define CERROR_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_ERROR_LOG
+#if ELPP_FATAL_LOG
+# define CFATAL_EVERY_N(writer, occasion, dispatchAction, ...)\
+ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Fatal, dispatchAction, __VA_ARGS__)
+#else
+# define CFATAL_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_FATAL_LOG
+#if ELPP_TRACE_LOG
+# define CTRACE_EVERY_N(writer, occasion, dispatchAction, ...)\
+ELPP_WRITE_LOG_EVERY_N(writer, occasion, el::Level::Trace, dispatchAction, __VA_ARGS__)
+#else
+# define CTRACE_EVERY_N(writer, occasion, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_TRACE_LOG
+#if ELPP_VERBOSE_LOG
+# define CVERBOSE_EVERY_N(writer, occasion, vlevel, dispatchAction, ...)\
+CVERBOSE_IF(writer, ELPP->validateEveryNCounter(__FILE__, __LINE__, occasion), vlevel, dispatchAction, __VA_ARGS__)
+#else
+# define CVERBOSE_EVERY_N(writer, occasion, vlevel, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_VERBOSE_LOG
+// After N logs
+#if ELPP_INFO_LOG
+# define CINFO_AFTER_N(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Info, dispatchAction, __VA_ARGS__)
+#else
+# define CINFO_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_INFO_LOG
+#if ELPP_WARNING_LOG
+# define CWARNING_AFTER_N(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Warning, dispatchAction, __VA_ARGS__)
+#else
+# define CWARNING_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_WARNING_LOG
+#if ELPP_DEBUG_LOG
+# define CDEBUG_AFTER_N(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Debug, dispatchAction, __VA_ARGS__)
+#else
+# define CDEBUG_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_DEBUG_LOG
+#if ELPP_ERROR_LOG
+# define CERROR_AFTER_N(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Error, dispatchAction, __VA_ARGS__)
+#else
+# define CERROR_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_ERROR_LOG
+#if ELPP_FATAL_LOG
+# define CFATAL_AFTER_N(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Fatal, dispatchAction, __VA_ARGS__)
+#else
+# define CFATAL_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_FATAL_LOG
+#if ELPP_TRACE_LOG
+# define CTRACE_AFTER_N(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_AFTER_N(writer, n, el::Level::Trace, dispatchAction, __VA_ARGS__)
+#else
+# define CTRACE_AFTER_N(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_TRACE_LOG
+#if ELPP_VERBOSE_LOG
+# define CVERBOSE_AFTER_N(writer, n, vlevel, dispatchAction, ...)\
+CVERBOSE_IF(writer, ELPP->validateAfterNCounter(__FILE__, __LINE__, n), vlevel, dispatchAction, __VA_ARGS__)
+#else
+# define CVERBOSE_AFTER_N(writer, n, vlevel, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_VERBOSE_LOG
+// N Times logs
+#if ELPP_INFO_LOG
+# define CINFO_N_TIMES(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Info, dispatchAction, __VA_ARGS__)
+#else
+# define CINFO_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_INFO_LOG
+#if ELPP_WARNING_LOG
+# define CWARNING_N_TIMES(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Warning, dispatchAction, __VA_ARGS__)
+#else
+# define CWARNING_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_WARNING_LOG
+#if ELPP_DEBUG_LOG
+# define CDEBUG_N_TIMES(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Debug, dispatchAction, __VA_ARGS__)
+#else
+# define CDEBUG_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_DEBUG_LOG
+#if ELPP_ERROR_LOG
+# define CERROR_N_TIMES(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Error, dispatchAction, __VA_ARGS__)
+#else
+# define CERROR_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_ERROR_LOG
+#if ELPP_FATAL_LOG
+# define CFATAL_N_TIMES(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Fatal, dispatchAction, __VA_ARGS__)
+#else
+# define CFATAL_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_FATAL_LOG
+#if ELPP_TRACE_LOG
+# define CTRACE_N_TIMES(writer, n, dispatchAction, ...)\
+ELPP_WRITE_LOG_N_TIMES(writer, n, el::Level::Trace, dispatchAction, __VA_ARGS__)
+#else
+# define CTRACE_N_TIMES(writer, n, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_TRACE_LOG
+#if ELPP_VERBOSE_LOG
+# define CVERBOSE_N_TIMES(writer, n, vlevel, dispatchAction, ...)\
+CVERBOSE_IF(writer, ELPP->validateNTimesCounter(__FILE__, __LINE__, n), vlevel, dispatchAction, __VA_ARGS__)
+#else
+# define CVERBOSE_N_TIMES(writer, n, vlevel, dispatchAction, ...) el::base::NullWriter()
+#endif // ELPP_VERBOSE_LOG
+//
+// Custom Loggers - Requires (level, dispatchAction, loggerId/s)
+//
+// undef existing
+#undef CLOG
+#undef CLOG_VERBOSE
+#undef CVLOG
+#undef CLOG_IF
+#undef CLOG_VERBOSE_IF
+#undef CVLOG_IF
+#undef CLOG_EVERY_N
+#undef CVLOG_EVERY_N
+#undef CLOG_AFTER_N
+#undef CVLOG_AFTER_N
+#undef CLOG_N_TIMES
+#undef CVLOG_N_TIMES
+// Normal logs
+#define CLOG(LEVEL, ...)\
+C##LEVEL(el::base::Writer, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define CVLOG(vlevel, ...) CVERBOSE(el::base::Writer, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+// Conditional logs
+#define CLOG_IF(condition, LEVEL, ...)\
+C##LEVEL##_IF(el::base::Writer, condition, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define CVLOG_IF(condition, vlevel, ...)\
+CVERBOSE_IF(el::base::Writer, condition, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+// Hit counts based logs
+#define CLOG_EVERY_N(n, LEVEL, ...)\
+C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define CVLOG_EVERY_N(n, vlevel, ...)\
+CVERBOSE_EVERY_N(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define CLOG_AFTER_N(n, LEVEL, ...)\
+C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define CVLOG_AFTER_N(n, vlevel, ...)\
+CVERBOSE_AFTER_N(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define CLOG_N_TIMES(n, LEVEL, ...)\
+C##LEVEL##_N_TIMES(el::base::Writer, n, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define CVLOG_N_TIMES(n, vlevel, ...)\
+CVERBOSE_N_TIMES(el::base::Writer, n, vlevel, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+//
+// Default Loggers macro using CLOG(), CLOG_VERBOSE() and CVLOG() macros
+//
+// undef existing
+#undef LOG
+#undef VLOG
+#undef LOG_IF
+#undef VLOG_IF
+#undef LOG_EVERY_N
+#undef VLOG_EVERY_N
+#undef LOG_AFTER_N
+#undef VLOG_AFTER_N
+#undef LOG_N_TIMES
+#undef VLOG_N_TIMES
+#undef ELPP_CURR_FILE_LOGGER_ID
+#if defined(ELPP_DEFAULT_LOGGER)
+# define ELPP_CURR_FILE_LOGGER_ID ELPP_DEFAULT_LOGGER
+#else
+# define ELPP_CURR_FILE_LOGGER_ID el::base::consts::kDefaultLoggerId
+#endif
+#undef ELPP_TRACE
+#define ELPP_TRACE CLOG(TRACE, ELPP_CURR_FILE_LOGGER_ID)
+// Normal logs
+#define LOG(LEVEL) CLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define VLOG(vlevel) CVLOG(vlevel, ELPP_CURR_FILE_LOGGER_ID)
+// Conditional logs
+#define LOG_IF(condition, LEVEL) CLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define VLOG_IF(condition, vlevel) CVLOG_IF(condition, vlevel, ELPP_CURR_FILE_LOGGER_ID)
+// Hit counts based logs
+#define LOG_EVERY_N(n, LEVEL) CLOG_EVERY_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define VLOG_EVERY_N(n, vlevel) CVLOG_EVERY_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
+#define LOG_AFTER_N(n, LEVEL) CLOG_AFTER_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define VLOG_AFTER_N(n, vlevel) CVLOG_AFTER_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
+#define LOG_N_TIMES(n, LEVEL) CLOG_N_TIMES(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define VLOG_N_TIMES(n, vlevel) CVLOG_N_TIMES(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
+// Generic PLOG()
+#undef CPLOG
+#undef CPLOG_IF
+#undef PLOG
+#undef PLOG_IF
+#undef DCPLOG
+#undef DCPLOG_IF
+#undef DPLOG
+#undef DPLOG_IF
+#define CPLOG(LEVEL, ...)\
+C##LEVEL(el::base::PErrorWriter, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define CPLOG_IF(condition, LEVEL, ...)\
+C##LEVEL##_IF(el::base::PErrorWriter, condition, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define DCPLOG(LEVEL, ...)\
+if (ELPP_DEBUG_LOG) C##LEVEL(el::base::PErrorWriter, el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define DCPLOG_IF(condition, LEVEL, ...)\
+C##LEVEL##_IF(el::base::PErrorWriter, (ELPP_DEBUG_LOG) && (condition), el::base::DispatchAction::NormalLog, __VA_ARGS__)
+#define PLOG(LEVEL) CPLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define PLOG_IF(condition, LEVEL) CPLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define DPLOG(LEVEL) DCPLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define DPLOG_IF(condition, LEVEL) DCPLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+// Generic SYSLOG()
+#undef CSYSLOG
+#undef CSYSLOG_IF
+#undef CSYSLOG_EVERY_N
+#undef CSYSLOG_AFTER_N
+#undef CSYSLOG_N_TIMES
+#undef SYSLOG
+#undef SYSLOG_IF
+#undef SYSLOG_EVERY_N
+#undef SYSLOG_AFTER_N
+#undef SYSLOG_N_TIMES
+#undef DCSYSLOG
+#undef DCSYSLOG_IF
+#undef DCSYSLOG_EVERY_N
+#undef DCSYSLOG_AFTER_N
+#undef DCSYSLOG_N_TIMES
+#undef DSYSLOG
+#undef DSYSLOG_IF
+#undef DSYSLOG_EVERY_N
+#undef DSYSLOG_AFTER_N
+#undef DSYSLOG_N_TIMES
+#if defined(ELPP_SYSLOG)
+# define CSYSLOG(LEVEL, ...)\
+C##LEVEL(el::base::Writer, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define CSYSLOG_IF(condition, LEVEL, ...)\
+C##LEVEL##_IF(el::base::Writer, condition, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define CSYSLOG_EVERY_N(n, LEVEL, ...) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define CSYSLOG_AFTER_N(n, LEVEL, ...) C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define CSYSLOG_N_TIMES(n, LEVEL, ...) C##LEVEL##_N_TIMES(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define SYSLOG(LEVEL) CSYSLOG(LEVEL, el::base::consts::kSysLogLoggerId)
+# define SYSLOG_IF(condition, LEVEL) CSYSLOG_IF(condition, LEVEL, el::base::consts::kSysLogLoggerId)
+# define SYSLOG_EVERY_N(n, LEVEL) CSYSLOG_EVERY_N(n, LEVEL, el::base::consts::kSysLogLoggerId)
+# define SYSLOG_AFTER_N(n, LEVEL) CSYSLOG_AFTER_N(n, LEVEL, el::base::consts::kSysLogLoggerId)
+# define SYSLOG_N_TIMES(n, LEVEL) CSYSLOG_N_TIMES(n, LEVEL, el::base::consts::kSysLogLoggerId)
+# define DCSYSLOG(LEVEL, ...) if (ELPP_DEBUG_LOG) C##LEVEL(el::base::Writer, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define DCSYSLOG_IF(condition, LEVEL, ...)\
+C##LEVEL##_IF(el::base::Writer, (ELPP_DEBUG_LOG) && (condition), el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define DCSYSLOG_EVERY_N(n, LEVEL, ...)\
+if (ELPP_DEBUG_LOG) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define DCSYSLOG_AFTER_N(n, LEVEL, ...)\
+if (ELPP_DEBUG_LOG) C##LEVEL##_AFTER_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define DCSYSLOG_N_TIMES(n, LEVEL, ...)\
+if (ELPP_DEBUG_LOG) C##LEVEL##_EVERY_N(el::base::Writer, n, el::base::DispatchAction::SysLog, __VA_ARGS__)
+# define DSYSLOG(LEVEL) DCSYSLOG(LEVEL, el::base::consts::kSysLogLoggerId)
+# define DSYSLOG_IF(condition, LEVEL) DCSYSLOG_IF(condition, LEVEL, el::base::consts::kSysLogLoggerId)
+# define DSYSLOG_EVERY_N(n, LEVEL) DCSYSLOG_EVERY_N(n, LEVEL, el::base::consts::kSysLogLoggerId)
+# define DSYSLOG_AFTER_N(n, LEVEL) DCSYSLOG_AFTER_N(n, LEVEL, el::base::consts::kSysLogLoggerId)
+# define DSYSLOG_N_TIMES(n, LEVEL) DCSYSLOG_N_TIMES(n, LEVEL, el::base::consts::kSysLogLoggerId)
+#else
+# define CSYSLOG(LEVEL, ...) el::base::NullWriter()
+# define CSYSLOG_IF(condition, LEVEL, ...) el::base::NullWriter()
+# define CSYSLOG_EVERY_N(n, LEVEL, ...) el::base::NullWriter()
+# define CSYSLOG_AFTER_N(n, LEVEL, ...) el::base::NullWriter()
+# define CSYSLOG_N_TIMES(n, LEVEL, ...) el::base::NullWriter()
+# define SYSLOG(LEVEL) el::base::NullWriter()
+# define SYSLOG_IF(condition, LEVEL) el::base::NullWriter()
+# define SYSLOG_EVERY_N(n, LEVEL) el::base::NullWriter()
+# define SYSLOG_AFTER_N(n, LEVEL) el::base::NullWriter()
+# define SYSLOG_N_TIMES(n, LEVEL) el::base::NullWriter()
+# define DCSYSLOG(LEVEL, ...) el::base::NullWriter()
+# define DCSYSLOG_IF(condition, LEVEL, ...) el::base::NullWriter()
+# define DCSYSLOG_EVERY_N(n, LEVEL, ...) el::base::NullWriter()
+# define DCSYSLOG_AFTER_N(n, LEVEL, ...) el::base::NullWriter()
+# define DCSYSLOG_N_TIMES(n, LEVEL, ...) el::base::NullWriter()
+# define DSYSLOG(LEVEL) el::base::NullWriter()
+# define DSYSLOG_IF(condition, LEVEL) el::base::NullWriter()
+# define DSYSLOG_EVERY_N(n, LEVEL) el::base::NullWriter()
+# define DSYSLOG_AFTER_N(n, LEVEL) el::base::NullWriter()
+# define DSYSLOG_N_TIMES(n, LEVEL) el::base::NullWriter()
+#endif // defined(ELPP_SYSLOG)
+//
+// Custom Debug Only Loggers - Requires (level, loggerId/s)
+//
+// undef existing
+#undef DCLOG
+#undef DCVLOG
+#undef DCLOG_IF
+#undef DCVLOG_IF
+#undef DCLOG_EVERY_N
+#undef DCVLOG_EVERY_N
+#undef DCLOG_AFTER_N
+#undef DCVLOG_AFTER_N
+#undef DCLOG_N_TIMES
+#undef DCVLOG_N_TIMES
+// Normal logs
+#define DCLOG(LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG(LEVEL, __VA_ARGS__)
+#define DCLOG_VERBOSE(vlevel, ...) if (ELPP_DEBUG_LOG) CLOG_VERBOSE(vlevel, __VA_ARGS__)
+#define DCVLOG(vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG(vlevel, __VA_ARGS__)
+// Conditional logs
+#define DCLOG_IF(condition, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_IF(condition, LEVEL, __VA_ARGS__)
+#define DCVLOG_IF(condition, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_IF(condition, vlevel, __VA_ARGS__)
+// Hit counts based logs
+#define DCLOG_EVERY_N(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_EVERY_N(n, LEVEL, __VA_ARGS__)
+#define DCVLOG_EVERY_N(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_EVERY_N(n, vlevel, __VA_ARGS__)
+#define DCLOG_AFTER_N(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_AFTER_N(n, LEVEL, __VA_ARGS__)
+#define DCVLOG_AFTER_N(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_AFTER_N(n, vlevel, __VA_ARGS__)
+#define DCLOG_N_TIMES(n, LEVEL, ...) if (ELPP_DEBUG_LOG) CLOG_N_TIMES(n, LEVEL, __VA_ARGS__)
+#define DCVLOG_N_TIMES(n, vlevel, ...) if (ELPP_DEBUG_LOG) CVLOG_N_TIMES(n, vlevel, __VA_ARGS__)
+//
+// Default Debug Only Loggers macro using CLOG(), CLOG_VERBOSE() and CVLOG() macros
+//
+// undef existing
+#undef DLOG
+#undef DVLOG
+#undef DLOG_IF
+#undef DVLOG_IF
+#undef DLOG_EVERY_N
+#undef DVLOG_EVERY_N
+#undef DLOG_AFTER_N
+#undef DVLOG_AFTER_N
+#undef DLOG_N_TIMES
+#undef DVLOG_N_TIMES
+// Normal logs
+#define DLOG(LEVEL) DCLOG(LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define DVLOG(vlevel) DCVLOG(vlevel, ELPP_CURR_FILE_LOGGER_ID)
+// Conditional logs
+#define DLOG_IF(condition, LEVEL) DCLOG_IF(condition, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define DVLOG_IF(condition, vlevel) DCVLOG_IF(condition, vlevel, ELPP_CURR_FILE_LOGGER_ID)
+// Hit counts based logs
+#define DLOG_EVERY_N(n, LEVEL) DCLOG_EVERY_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define DVLOG_EVERY_N(n, vlevel) DCVLOG_EVERY_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
+#define DLOG_AFTER_N(n, LEVEL) DCLOG_AFTER_N(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define DVLOG_AFTER_N(n, vlevel) DCVLOG_AFTER_N(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
+#define DLOG_N_TIMES(n, LEVEL) DCLOG_N_TIMES(n, LEVEL, ELPP_CURR_FILE_LOGGER_ID)
+#define DVLOG_N_TIMES(n, vlevel) DCVLOG_N_TIMES(n, vlevel, ELPP_CURR_FILE_LOGGER_ID)
+// Check macros
+#undef CCHECK
+#undef CPCHECK
+#undef CCHECK_EQ
+#undef CCHECK_NE
+#undef CCHECK_LT
+#undef CCHECK_GT
+#undef CCHECK_LE
+#undef CCHECK_GE
+#undef CCHECK_BOUNDS
+#undef CCHECK_NOTNULL
+#undef CCHECK_STRCASEEQ
+#undef CCHECK_STRCASENE
+#undef CHECK
+#undef PCHECK
+#undef CHECK_EQ
+#undef CHECK_NE
+#undef CHECK_LT
+#undef CHECK_GT
+#undef CHECK_LE
+#undef CHECK_GE
+#undef CHECK_BOUNDS
+#undef CHECK_NOTNULL
+#undef CHECK_STRCASEEQ
+#undef CHECK_STRCASENE
+#define CCHECK(condition, ...) CLOG_IF(!(condition), FATAL, __VA_ARGS__) << "Check failed: [" << #condition << "] "
+#define CPCHECK(condition, ...) CPLOG_IF(!(condition), FATAL, __VA_ARGS__) << "Check failed: [" << #condition << "] "
+#define CHECK(condition) CCHECK(condition, ELPP_CURR_FILE_LOGGER_ID)
+#define PCHECK(condition) CPCHECK(condition, ELPP_CURR_FILE_LOGGER_ID)
+#define CCHECK_EQ(a, b, ...) CCHECK(a == b, __VA_ARGS__)
+#define CCHECK_NE(a, b, ...) CCHECK(a != b, __VA_ARGS__)
+#define CCHECK_LT(a, b, ...) CCHECK(a < b, __VA_ARGS__)
+#define CCHECK_GT(a, b, ...) CCHECK(a > b, __VA_ARGS__)
+#define CCHECK_LE(a, b, ...) CCHECK(a <= b, __VA_ARGS__)
+#define CCHECK_GE(a, b, ...) CCHECK(a >= b, __VA_ARGS__)
+#define CCHECK_BOUNDS(val, min, max, ...) CCHECK(val >= min && val <= max, __VA_ARGS__)
+#define CHECK_EQ(a, b) CCHECK_EQ(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_NE(a, b) CCHECK_NE(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_LT(a, b) CCHECK_LT(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_GT(a, b) CCHECK_GT(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_LE(a, b) CCHECK_LE(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_GE(a, b) CCHECK_GE(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_BOUNDS(val, min, max) CCHECK_BOUNDS(val, min, max, ELPP_CURR_FILE_LOGGER_ID)
+#define CCHECK_NOTNULL(ptr, ...) CCHECK((ptr) != nullptr, __VA_ARGS__)
+#define CCHECK_STREQ(str1, str2, ...) CLOG_IF(!el::base::utils::Str::cStringEq(str1, str2), FATAL, __VA_ARGS__) \
+<< "Check failed: [" << #str1 << " == " << #str2 << "] "
+#define CCHECK_STRNE(str1, str2, ...) CLOG_IF(el::base::utils::Str::cStringEq(str1, str2), FATAL, __VA_ARGS__) \
+<< "Check failed: [" << #str1 << " != " << #str2 << "] "
+#define CCHECK_STRCASEEQ(str1, str2, ...) CLOG_IF(!el::base::utils::Str::cStringCaseEq(str1, str2), FATAL, __VA_ARGS__) \
+<< "Check failed: [" << #str1 << " == " << #str2 << "] "
+#define CCHECK_STRCASENE(str1, str2, ...) CLOG_IF(el::base::utils::Str::cStringCaseEq(str1, str2), FATAL, __VA_ARGS__) \
+<< "Check failed: [" << #str1 << " != " << #str2 << "] "
+#define CHECK_NOTNULL(ptr) CCHECK_NOTNULL((ptr), ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_STREQ(str1, str2) CCHECK_STREQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_STRNE(str1, str2) CCHECK_STRNE(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_STRCASEEQ(str1, str2) CCHECK_STRCASEEQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
+#define CHECK_STRCASENE(str1, str2) CCHECK_STRCASENE(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
+#undef DCCHECK
+#undef DCCHECK_EQ
+#undef DCCHECK_NE
+#undef DCCHECK_LT
+#undef DCCHECK_GT
+#undef DCCHECK_LE
+#undef DCCHECK_GE
+#undef DCCHECK_BOUNDS
+#undef DCCHECK_NOTNULL
+#undef DCCHECK_STRCASEEQ
+#undef DCCHECK_STRCASENE
+#undef DCPCHECK
+#undef DCHECK
+#undef DCHECK_EQ
+#undef DCHECK_NE
+#undef DCHECK_LT
+#undef DCHECK_GT
+#undef DCHECK_LE
+#undef DCHECK_GE
+#undef DCHECK_BOUNDS_
+#undef DCHECK_NOTNULL
+#undef DCHECK_STRCASEEQ
+#undef DCHECK_STRCASENE
+#undef DPCHECK
+#define DCCHECK(condition, ...) if (ELPP_DEBUG_LOG) CCHECK(condition, __VA_ARGS__)
+#define DCCHECK_EQ(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_EQ(a, b, __VA_ARGS__)
+#define DCCHECK_NE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_NE(a, b, __VA_ARGS__)
+#define DCCHECK_LT(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_LT(a, b, __VA_ARGS__)
+#define DCCHECK_GT(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_GT(a, b, __VA_ARGS__)
+#define DCCHECK_LE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_LE(a, b, __VA_ARGS__)
+#define DCCHECK_GE(a, b, ...) if (ELPP_DEBUG_LOG) CCHECK_GE(a, b, __VA_ARGS__)
+#define DCCHECK_BOUNDS(val, min, max, ...) if (ELPP_DEBUG_LOG) CCHECK_BOUNDS(val, min, max, __VA_ARGS__)
+#define DCCHECK_NOTNULL(ptr, ...) if (ELPP_DEBUG_LOG) CCHECK_NOTNULL((ptr), __VA_ARGS__)
+#define DCCHECK_STREQ(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STREQ(str1, str2, __VA_ARGS__)
+#define DCCHECK_STRNE(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRNE(str1, str2, __VA_ARGS__)
+#define DCCHECK_STRCASEEQ(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRCASEEQ(str1, str2, __VA_ARGS__)
+#define DCCHECK_STRCASENE(str1, str2, ...) if (ELPP_DEBUG_LOG) CCHECK_STRCASENE(str1, str2, __VA_ARGS__)
+#define DCPCHECK(condition, ...) if (ELPP_DEBUG_LOG) CPCHECK(condition, __VA_ARGS__)
+#define DCHECK(condition) DCCHECK(condition, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_EQ(a, b) DCCHECK_EQ(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_NE(a, b) DCCHECK_NE(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_LT(a, b) DCCHECK_LT(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_GT(a, b) DCCHECK_GT(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_LE(a, b) DCCHECK_LE(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_GE(a, b) DCCHECK_GE(a, b, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_BOUNDS(val, min, max) DCCHECK_BOUNDS(val, min, max, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_NOTNULL(ptr) DCCHECK_NOTNULL((ptr), ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_STREQ(str1, str2) DCCHECK_STREQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_STRNE(str1, str2) DCCHECK_STRNE(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_STRCASEEQ(str1, str2) DCCHECK_STRCASEEQ(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
+#define DCHECK_STRCASENE(str1, str2) DCCHECK_STRCASENE(str1, str2, ELPP_CURR_FILE_LOGGER_ID)
+#define DPCHECK(condition) DCPCHECK(condition, ELPP_CURR_FILE_LOGGER_ID)
+#if defined(ELPP_DISABLE_DEFAULT_CRASH_HANDLING)
+# define ELPP_USE_DEF_CRASH_HANDLER false
+#else
+# define ELPP_USE_DEF_CRASH_HANDLER true
+#endif // defined(ELPP_DISABLE_DEFAULT_CRASH_HANDLING)
+#define ELPP_CRASH_HANDLER_INIT
+#define ELPP_INIT_EASYLOGGINGPP(val) \
+ELPP_INITI_BASIC_DECLR \
+namespace el { \
+namespace base { \
+el::base::type::StoragePointer elStorage(val); \
+} \
+el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER); \
+}
+
+#if ELPP_ASYNC_LOGGING
+# define INITIALIZE_EASYLOGGINGPP\
+ELPP_INIT_EASYLOGGINGPP(new el::base::Storage(el::LogBuilderPtr(new el::base::DefaultLogBuilder()),\
+new el::base::AsyncDispatchWorker()))\
+
+#else
+# define INITIALIZE_EASYLOGGINGPP ELPP_INIT_EASYLOGGINGPP(new el::base::Storage(el::LogBuilderPtr(new el::base::DefaultLogBuilder())))
+#endif // ELPP_ASYNC_LOGGING
+#define INITIALIZE_NULL_EASYLOGGINGPP\
+ELPP_INITI_BASIC_DECLR\
+namespace el {\
+namespace base {\
+el::base::type::StoragePointer elStorage;\
+}\
+el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER);\
+}
+// NOTE: no ELPP_INITI_BASIC_DECLR when sharing - causes double free corruption on external symbols
+#define SHARE_EASYLOGGINGPP(initializedStorage)\
+namespace el {\
+namespace base {\
+el::base::type::StoragePointer elStorage(initializedStorage);\
+}\
+el::base::debug::CrashHandler elCrashHandler(ELPP_USE_DEF_CRASH_HANDLER);\
+}
+
+#if defined(ELPP_UNICODE)
+# define START_EASYLOGGINGPP(argc, argv) el::Helpers::setArgs(argc, argv); std::locale::global(std::locale(""))
+#else
+# define START_EASYLOGGINGPP(argc, argv) el::Helpers::setArgs(argc, argv)
+#endif // defined(ELPP_UNICODE)
+#endif // EASYLOGGINGPP_H