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#include <boost/date_time/posix_time/posix_time.hpp>
#include "Log.h"
Log * g_Log = nullptr;
static const char * g_LogLevelStr[eNumLogLevels] =
{
"error", // eLogError
"warn", // eLogWarning
"info", // eLogInfo
"debug" // eLogDebug
};
void LogMsg::Process()
{
auto stream = log ? log->GetLogStream () : nullptr;
auto& output = stream ? *stream : std::cout;
if (log)
output << log->GetTimestamp ();
else
output << boost::posix_time::second_clock::local_time().time_of_day ();
output << "/" << g_LogLevelStr[level] << " - ";
output << s.str();
}
const std::string& Log::GetTimestamp ()
{
#if (__GNUC__ == 4) && (__GNUC_MINOR__ <= 6) && !defined(__clang__)
auto ts = std::chrono::monotonic_clock::now ();
#else
auto ts = std::chrono::steady_clock::now ();
#endif
if (ts > m_LastTimestampUpdate + std::chrono::milliseconds (500)) // 0.5 second
{
m_LastTimestampUpdate = ts;
m_Timestamp = boost::posix_time::to_simple_string (boost::posix_time::second_clock::local_time().time_of_day ());
}
return m_Timestamp;
}
void Log::Flush ()
{
if (m_LogStream)
m_LogStream->flush();
}
void Log::SetLogFile (const std::string& fullFilePath, bool truncate)
{
m_FullFilePath = fullFilePath;
auto mode = std::ofstream::out | std::ofstream::binary;
mode |= truncate ? std::ofstream::trunc : std::ofstream::app;
auto logFile = std::make_shared<std::ofstream> (fullFilePath, mode);
if (logFile->is_open ())
{
SetLogStream (logFile);
LogPrint(eLogInfo, "Log: will send messages to ", fullFilePath);
}
}
void Log::ReopenLogFile ()
{
if (m_FullFilePath.length () > 0)
{
SetLogFile (m_FullFilePath, false); // don't truncate
LogPrint(eLogInfo, "Log: file ", m_FullFilePath, " reopen");
}
}
void Log::SetLogLevel (const std::string& level)
{
if (level == "error") { m_MinLevel = eLogError; }
else if (level == "warn") { m_MinLevel = eLogWarning; }
else if (level == "info") { m_MinLevel = eLogInfo; }
else if (level == "debug") { m_MinLevel = eLogDebug; }
else {
LogPrint(eLogError, "Log: Unknown loglevel: ", level);
return;
}
LogPrint(eLogInfo, "Log: min msg level set to ", level);
}
void Log::SetLogStream (std::shared_ptr<std::ostream> logStream)
{
m_LogStream = logStream;
}