i2pd/Log.h
2014-04-24 11:10:46 -04:00

65 lines
1.1 KiB
C++

#ifndef LOG_H__
#define LOG_H__
#include <string>
#include <iostream>
#include <sstream>
#include <fstream>
#include <functional>
#include "Queue.h"
struct LogMsg
{
std::stringstream s;
std::ostream& output;
LogMsg (std::ostream& o = std::cout): output (o) {};
void Process();
};
class Log: public i2p::util::MsgQueue<LogMsg>
{
public:
Log (): m_LogFile (nullptr) { SetOnEmpty (std::bind (&Log::Flush, this)); };
~Log () { delete m_LogFile; };
void SetLogFile (const std::string& fullFilePath);
std::ofstream * GetLogFile () const { return m_LogFile; };
private:
void Flush ();
private:
std::ofstream * m_LogFile;
};
extern Log g_Log;
template<typename TValue>
void LogPrint (std::stringstream& s, TValue arg)
{
s << arg;
}
template<typename TValue, typename... TArgs>
void LogPrint (std::stringstream& s, TValue arg, TArgs... args)
{
LogPrint (s, arg);
LogPrint (s, args...);
}
template<typename... TArgs>
void LogPrint (TArgs... args)
{
LogMsg * msg = g_Log.GetLogFile () ? new LogMsg (*g_Log.GetLogFile ()) : new LogMsg ();
LogPrint (msg->s, args...);
msg->s << std::endl;
g_Log.Put (msg);
}
#endif