snapcast/common/log.h
2016-03-22 23:36:57 +01:00

72 lines
2 KiB
C++

/***
This file is part of snapcast
Copyright (C) 2014-2016 Johannes Pohl
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef LOG_H
#define LOG_H
#include <syslog.h>
#include <iostream>
#include <cstring>
#include <sstream>
#define logD std::clog << kDbg
#define logO std::clog << kOut
#define logE std::clog << kErr
#define logState std::clog << kState
#define logS(P) std::clog << P
#define log logO
enum LogPriority
{
kLogEmerg = LOG_EMERG, // system is unusable
kLogAlert = LOG_ALERT, // action must be taken immediately
kLogCrit = LOG_CRIT, // critical conditions
kLogErr = LOG_ERR, // error conditions
kLogWarning = LOG_WARNING, // warning conditions
kLogNotice = LOG_NOTICE, // normal, but significant, condition
kLogInfo = LOG_INFO, // informational message
kLogDebug = LOG_DEBUG, // debug-level message
kDbg, kOut, kState, kErr
};
std::ostream& operator<< (std::ostream& os, const LogPriority& log_priority);
class Log : public std::basic_streambuf<char, std::char_traits<char> >
{
public:
explicit Log(std::string ident, int facility);
protected:
int sync();
int overflow(int c);
private:
friend std::ostream& operator<< (std::ostream& os, const LogPriority& log_priority);
std::string toString(LogPriority logPriority) const;
std::string Timestamp() const;
std::stringstream buffer_;
int facility_;
LogPriority priority_;
char ident_[50];
};
#endif