diff options
Diffstat (limited to 'contrib/otshell_utils/utils.cpp')
| -rw-r--r-- | contrib/otshell_utils/utils.cpp | 58 |
1 files changed, 34 insertions, 24 deletions
diff --git a/contrib/otshell_utils/utils.cpp b/contrib/otshell_utils/utils.cpp index 489fb3076..1d26075c4 100644 --- a/contrib/otshell_utils/utils.cpp +++ b/contrib/otshell_utils/utils.cpp @@ -26,8 +26,7 @@ #elif defined(__unix__) || defined(__posix) || defined(__linux) || defined(__darwin) || defined(__APPLE__) || defined(__clang__) #define OS_TYPE_POSIX #else - #warning "Compiler/OS platform is not recognized" - #warning "Just assuming it will work as POSIX then" + #warning "Compiler/OS platform is not recognized. Just assuming it will work as POSIX then" #define OS_TYPE_POSIX #endif @@ -44,7 +43,7 @@ namespace nOT { namespace nUtils { -INJECT_OT_COMMON_USING_NAMESPACE_COMMON_1; // <=== namespaces +INJECT_OT_COMMON_USING_NAMESPACE_COMMON_1 // <=== namespaces myexception::myexception(const char * what) : std::runtime_error(what) @@ -78,26 +77,37 @@ std::string & trim(std::string &s) { return ltrim(rtrim(s)); } -std::string get_current_time() -{ - std::stringstream stream; - struct tm * date; - - std::chrono::high_resolution_clock::time_point now = std::chrono::high_resolution_clock::now(); - time_t time_now; - time_now = std::chrono::high_resolution_clock::to_time_t(now); - date = std::localtime(& time_now); - - char date_buff[32]; - std::strftime(date_buff, sizeof(date_buff), "%d-%b-%Y %H:%M:%S.", date); - stream << date_buff; +std::string get_current_time() { + std::chrono::system_clock::time_point now = std::chrono::system_clock::now(); + time_t time_now = std::chrono::system_clock::to_time_t(now); + std::chrono::high_resolution_clock::duration duration = now.time_since_epoch(); + int64_t micro = std::chrono::duration_cast<std::chrono::microseconds>(duration).count(); - std::chrono::high_resolution_clock::duration duration = now.time_since_epoch(); - int64_t micro = std::chrono::duration_cast<std::chrono::microseconds>(duration).count(); - micro %= 1000000; - stream << std::setfill('0') << std::setw(3) << micro; + // std::localtime() - This function may not be thread-safe. + #ifdef OS_TYPE_WINDOWS + struct tm * tm_pointer = std::localtime( &time_now ); // thread-safe on mingw-w64 (thread local variable) and on MSVC btw + // http://stackoverflow.com/questions/18551409/localtime-r-support-on-mingw + // tm_pointer points to thread-local data, memory is owned/managed by the system/library + #else + // linux, freebsd, have this + struct tm tm_object; // automatic storage duration http://en.cppreference.com/w/cpp/language/storage_duration + struct tm * tm_pointer = & tm_object; // just point to our data + auto x = localtime_r( &time_now , tm_pointer ); // modifies our own (this thread) data in tm_object, this is safe http://linux.die.net/man/3/localtime_r + if (x != tm_pointer) return "(internal error in get_current_time)"; // redundant check in case of broken implementation of localtime_r + #endif + // tm_pointer now points to proper time data, and that memory is automatically managed + if (!tm_pointer) return "(internal error in get_current_time - NULL)"; // redundant check in case of broken implementation of used library methods - return stream.str(); + std::stringstream stream; + stream << std::setfill('0') + << std::setw(2) << tm_pointer->tm_year+1900 + << '-' << std::setw(2) << tm_pointer->tm_mon+1 + << '-' << std::setw(2) << tm_pointer->tm_mday + << ' ' << std::setw(2) << tm_pointer->tm_hour + << ':' << std::setw(2) << tm_pointer->tm_min + << ':' << std::setw(2) << tm_pointer->tm_sec + << '.' << std::setw(6) << (micro%1000000); // 6 because microseconds + return stream.str(); } cNullstream g_nullstream; // extern a stream that does nothing (eats/discards data) @@ -213,7 +223,7 @@ void cDebugScopeGuard::Assign(const string &chan, const int level, const string mMsg=msg; } -}; // namespace nDetail +} // namespace nDetail // ==================================================================== @@ -591,10 +601,10 @@ string stringToColor(const string &hash) { // algorthms -}; // namespace nUtil +} // namespace nUtil -}; // namespace OT +} // namespace OT // global namespace |