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#include "base/logging.hpp"
#include "base/assert.hpp"
#include "base/macros.hpp"
#include "base/mutex.hpp"
#include "base/thread.hpp"
#include "base/timer.hpp"
#include "std/target_os.hpp"
//#include "std/windows.hpp"
#include <algorithm>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <mutex>
#include <sstream>
#include <vector>
namespace my
{
std::string ToString(LogLevel level)
{
auto const & names = GetLogLevelNames();
CHECK_LESS(level, names.size(), ());
return names[level];
}
bool FromString(std::string const & s, LogLevel & level)
{
auto const & names = GetLogLevelNames();
auto it = std::find(names.begin(), names.end(), s);
if (it == names.end())
return false;
level = static_cast<LogLevel>(std::distance(names.begin(), it));
return true;
}
std::vector<std::string> const & GetLogLevelNames()
{
static std::vector<std::string> const kNames = {
{"DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"}};
return kNames;
}
class LogHelper
{
int m_threadsCount;
std::map<threads::ThreadID, int> m_threadID;
int GetThreadID()
{
int & id = m_threadID[threads::GetCurrentThreadID()];
if (id == 0)
id = ++m_threadsCount;
return id;
}
my::Timer m_timer;
char const * m_names[5];
size_t m_lens[5];
public:
LogHelper() : m_threadsCount(0)
{
m_names[0] = "DEBUG";
m_lens[0] = 5;
m_names[1] = "INFO";
m_lens[1] = 4;
m_names[2] = "WARNING";
m_lens[2] = 7;
m_names[3] = "ERROR";
m_lens[3] = 5;
m_names[4] = "CRITICAL";
m_lens[4] = 8;
}
void WriteProlog(std::ostream & s, LogLevel level)
{
s << "LOG";
s << " TID(" << GetThreadID() << ")";
s << " " << m_names[level];
double const sec = m_timer.ElapsedSeconds();
s << " " << std::setfill(' ') << std::setw(static_cast<int>(16 - m_lens[level])) << sec << " ";
}
};
std::mutex g_logMutex;
void LogMessageDefault(LogLevel level, SrcPoint const & srcPoint, std::string const & msg)
{
std::lock_guard<std::mutex> lock(g_logMutex);
static LogHelper logger;
std::ostringstream out;
logger.WriteProlog(out, level);
out << DebugPrint(srcPoint) << msg << std::endl;
std::cerr << out.str();
CHECK_LESS(level, g_LogAbortLevel, ("Abort. Log level is too serious", level));
}
void LogMessageTests(LogLevel level, SrcPoint const &, std::string const & msg)
{
std::lock_guard<std::mutex> lock(g_logMutex);
std::ostringstream out;
out << msg << std::endl;
std::cerr << out.str();
CHECK_LESS(level, g_LogAbortLevel, ("Abort. Log level is too serious", level));
}
LogMessageFn LogMessage = &LogMessageDefault;
LogMessageFn SetLogMessageFn(LogMessageFn fn)
{
std::swap(LogMessage, fn);
return fn;
}
LogLevel GetDefaultLogLevel()
{
#if defined(DEBUG)
return LDEBUG;
#else
return LINFO;
#endif // defined(DEBUG)
}
LogLevel GetDefaultLogAbortLevel()
{
#if defined(DEBUG)
return LERROR;
#else
return LCRITICAL;
#endif // defined(DEBUG)
}
TLogLevel g_LogLevel = {GetDefaultLogLevel()};
TLogLevel g_LogAbortLevel = {GetDefaultLogAbortLevel()};
} // namespace my
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