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-rw-r--r--contrib/epee/include/console_handler.h28
-rw-r--r--contrib/epee/include/readline_buffer.h6
-rw-r--r--contrib/epee/src/readline_buffer.cpp191
3 files changed, 85 insertions, 140 deletions
diff --git a/contrib/epee/include/console_handler.h b/contrib/epee/include/console_handler.h
index a3b2d30eb..b8336b270 100644
--- a/contrib/epee/include/console_handler.h
+++ b/contrib/epee/include/console_handler.h
@@ -52,11 +52,10 @@ namespace epee
, m_has_read_request(false)
, m_read_status(state_init)
{
- m_reader_thread = boost::thread(std::bind(&async_stdin_reader::reader_thread_func, this));
#ifdef HAVE_READLINE
m_readline_buffer.start();
- m_readline_thread = boost::thread(std::bind(&async_stdin_reader::readline_thread_func, this));
#endif
+ m_reader_thread = boost::thread(std::bind(&async_stdin_reader::reader_thread_func, this));
}
~async_stdin_reader()
@@ -115,7 +114,6 @@ namespace epee
m_reader_thread.join();
#ifdef HAVE_READLINE
m_readline_buffer.stop();
- m_readline_thread.join();
#endif
}
}
@@ -193,16 +191,6 @@ namespace epee
return true;
}
-#ifdef HAVE_READLINE
- void readline_thread_func()
- {
- while (m_run.load(std::memory_order_relaxed))
- {
- m_readline_buffer.process();
- }
- }
-#endif
-
void reader_thread_func()
{
while (true)
@@ -212,12 +200,20 @@ namespace epee
std::string line;
bool read_ok = true;
+#ifdef HAVE_READLINE
+reread:
+#endif
if (wait_stdin_data())
{
if (m_run.load(std::memory_order_relaxed))
{
#ifdef HAVE_READLINE
- m_readline_buffer.get_line(line);
+ switch (m_readline_buffer.get_line(line))
+ {
+ case rdln::empty: goto eof;
+ case rdln::partial: goto reread;
+ case rdln::full: break;
+ }
#else
std::getline(std::cin, line);
#endif
@@ -229,6 +225,9 @@ namespace epee
read_ok = false;
}
if (std::cin.eof()) {
+#ifdef HAVE_READLINE
+eof:
+#endif
m_read_status = state_eos;
m_response_cv.notify_one();
break;
@@ -263,7 +262,6 @@ namespace epee
boost::thread m_reader_thread;
std::atomic<bool> m_run;
#ifdef HAVE_READLINE
- boost::thread m_readline_thread;
rdln::readline_buffer m_readline_buffer;
#endif
diff --git a/contrib/epee/include/readline_buffer.h b/contrib/epee/include/readline_buffer.h
index 28a153414..cda7e34f9 100644
--- a/contrib/epee/include/readline_buffer.h
+++ b/contrib/epee/include/readline_buffer.h
@@ -8,25 +8,25 @@
namespace rdln
{
+ typedef enum { empty, partial, full } linestatus;
class readline_buffer : public std::stringbuf
{
public:
readline_buffer();
void start();
void stop();
- int process();
bool is_running() const
{
return m_cout_buf != NULL;
}
- void get_line(std::string& line) const;
+ linestatus get_line(std::string& line) const;
void set_prompt(const std::string& prompt);
static void add_completion(const std::string& command);
static const std::vector<std::string>& get_completions();
protected:
virtual int sync();
-
+
private:
std::streambuf* m_cout_buf;
static std::vector<std::string>& completion_commands();
diff --git a/contrib/epee/src/readline_buffer.cpp b/contrib/epee/src/readline_buffer.cpp
index 42b474052..291bba94c 100644
--- a/contrib/epee/src/readline_buffer.cpp
+++ b/contrib/epee/src/readline_buffer.cpp
@@ -3,19 +3,15 @@
#include <readline/history.h>
#include <sys/select.h>
#include <unistd.h>
-#include <mutex>
-#include <condition_variable>
#include <boost/thread.hpp>
#include <boost/algorithm/string.hpp>
-static int process_input();
static void install_line_handler();
static void remove_line_handler();
-static std::string last_line;
-static std::string last_prompt;
-static std::mutex line_mutex, sync_mutex, process_mutex;
-static std::condition_variable have_line;
+static boost::mutex sync_mutex;
+static rdln::linestatus line_stat;
+static char *the_line;
namespace
{
@@ -55,7 +51,6 @@ rdln::readline_buffer::readline_buffer()
void rdln::readline_buffer::start()
{
- std::unique_lock<std::mutex> lock(process_mutex);
if(m_cout_buf != NULL)
return;
m_cout_buf = std::cout.rdbuf();
@@ -65,9 +60,6 @@ void rdln::readline_buffer::start()
void rdln::readline_buffer::stop()
{
- std::unique_lock<std::mutex> lock_process(process_mutex);
- std::unique_lock<std::mutex> lock_sync(sync_mutex);
- have_line.notify_all();
if(m_cout_buf == NULL)
return;
std::cout.rdbuf(m_cout_buf);
@@ -75,20 +67,26 @@ void rdln::readline_buffer::stop()
remove_line_handler();
}
-void rdln::readline_buffer::get_line(std::string& line) const
+rdln::linestatus rdln::readline_buffer::get_line(std::string& line) const
{
- std::unique_lock<std::mutex> lock(line_mutex);
- have_line.wait(lock);
- line = last_line;
+ boost::lock_guard<boost::mutex> lock(sync_mutex);
+ line_stat = rdln::partial;
+ rl_callback_read_char();
+ if (line_stat == rdln::full)
+ {
+ line = the_line;
+ free(the_line);
+ the_line = NULL;
+ }
+ return line_stat;
}
void rdln::readline_buffer::set_prompt(const std::string& prompt)
{
- last_prompt = prompt;
if(m_cout_buf == NULL)
return;
- std::lock_guard<std::mutex> lock(sync_mutex);
- rl_set_prompt(last_prompt.c_str());
+ boost::lock_guard<boost::mutex> lock(sync_mutex);
+ rl_set_prompt(prompt.c_str());
rl_redisplay();
}
@@ -104,126 +102,78 @@ const std::vector<std::string>& rdln::readline_buffer::get_completions()
return completion_commands();
}
-int rdln::readline_buffer::process()
+int rdln::readline_buffer::sync()
{
- process_mutex.lock();
- if(m_cout_buf == NULL)
+ boost::lock_guard<boost::mutex> lock(sync_mutex);
+#if RL_READLINE_VERSION < 0x0700
+ char lbuf[2] = {0,0};
+ char *line = NULL;
+ int end = 0, point = 0;
+#endif
+
+ if (rl_end || *rl_prompt)
{
- process_mutex.unlock();
- boost::this_thread::sleep_for(boost::chrono::milliseconds( 1 ));
- return 0;
+#if RL_READLINE_VERSION >= 0x0700
+ rl_clear_visible_line();
+#else
+ line = rl_line_buffer;
+ end = rl_end;
+ point = rl_point;
+ rl_line_buffer = lbuf;
+ rl_end = 0;
+ rl_point = 0;
+ rl_save_prompt();
+ rl_redisplay();
+#endif
}
- int count = process_input();
- process_mutex.unlock();
- boost::this_thread::sleep_for(boost::chrono::milliseconds( 1 ));
- return count;
-}
-int rdln::readline_buffer::sync()
-{
- std::lock_guard<std::mutex> lock(sync_mutex);
- char* saved_line;
- int saved_point;
-
- saved_point = rl_point;
- saved_line = rl_copy_text(0, rl_end);
-
- rl_set_prompt("");
- rl_replace_line("", 0);
- rl_redisplay();
-
do
{
m_cout_buf->sputc( this->sgetc() );
}
while ( this->snextc() != EOF );
-
- rl_set_prompt(last_prompt.c_str());
- rl_replace_line(saved_line, 0);
- rl_point = saved_point;
- rl_redisplay();
- free(saved_line);
-
- return 0;
-}
-static int process_input()
-{
- int count;
- struct timeval t;
- fd_set fds;
-
- t.tv_sec = 0;
- t.tv_usec = 1000;
-
- FD_ZERO(&fds);
- FD_SET(STDIN_FILENO, &fds);
- count = select(STDIN_FILENO + 1, &fds, NULL, NULL, &t);
- if (count < 1)
+#if RL_READLINE_VERSION < 0x0700
+ if (end || *rl_prompt)
{
- return count;
+ rl_restore_prompt();
+ rl_line_buffer = line;
+ rl_end = end;
+ rl_point = point;
}
- rl_callback_read_char();
- return count;
-}
-
-static void handle_line(char* line)
-{
- free(line);
- rl_done = 1;
- return;
-}
-
-static int handle_enter(int x, int y)
-{
- std::lock_guard<std::mutex> lock(sync_mutex);
- char* line = NULL;
-
- line = rl_copy_text(0, rl_end);
- std::string test_line = line;
- free(line);
- boost::trim_right(test_line);
-
- rl_crlf();
+#endif
rl_on_new_line();
-
- if(test_line.empty())
- {
- last_line = "";
- rl_set_prompt(last_prompt.c_str());
- rl_replace_line("", 1);
- rl_redisplay();
- have_line.notify_one();
- return 0;
- }
-
- rl_set_prompt("");
- rl_replace_line("", 1);
rl_redisplay();
-
- if (!test_line.empty())
- {
- last_line = test_line;
- add_history(test_line.c_str());
- history_set_pos(history_length);
- }
- if(last_line != "exit" && last_line != "q")
- {
- rl_set_prompt(last_prompt.c_str());
- rl_replace_line("", 1);
- rl_redisplay();
- }
-
- have_line.notify_one();
return 0;
}
-static int startup_hook()
+static void handle_line(char* line)
{
- rl_bind_key(RETURN, handle_enter);
- rl_bind_key(NEWLINE, handle_enter);
- return 0;
+ bool exit = false;
+ if (line)
+ {
+ line_stat = rdln::full;
+ the_line = line;
+ std::string test_line = line;
+ boost::trim_right(test_line);
+ if(!test_line.empty())
+ {
+ add_history(test_line.c_str());
+ history_set_pos(history_length);
+ if (test_line == "exit" || test_line == "q")
+ exit = true;
+ }
+ } else
+ /* EOF */
+ {
+ line_stat = rdln::empty;
+ exit = true;
+ }
+ rl_done = 1;
+ if (exit)
+ rl_set_prompt("");
+ return;
}
static char* completion_matches(const char* text, int state)
@@ -258,7 +208,6 @@ static char** attempted_completion(const char* text, int start, int end)
static void install_line_handler()
{
- rl_startup_hook = startup_hook;
rl_attempted_completion_function = attempted_completion;
rl_callback_handler_install("", handle_line);
stifle_history(500);
@@ -269,8 +218,6 @@ static void remove_line_handler()
rl_replace_line("", 0);
rl_set_prompt("");
rl_redisplay();
- rl_unbind_key(RETURN);
- rl_unbind_key(NEWLINE);
rl_callback_handler_remove();
}