mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-29 17:28:52 +00:00
154 lines
3.3 KiB
C++
154 lines
3.3 KiB
C++
/*
|
|
* ZeroTier One - Global Peer to Peer Ethernet
|
|
* Copyright (C) 2011-2014 ZeroTier Networks LLC
|
|
*
|
|
* 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/>.
|
|
*
|
|
* --
|
|
*
|
|
* ZeroTier may be used and distributed under the terms of the GPLv3, which
|
|
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
|
|
*
|
|
* If you would like to embed ZeroTier into a commercial application or
|
|
* redistribute it in a modified binary form, please contact ZeroTier Networks
|
|
* LLC. Start here: http://www.zerotier.com/
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <time.h>
|
|
|
|
#include "Constants.hpp"
|
|
#include "Logger.hpp"
|
|
|
|
namespace ZeroTier {
|
|
|
|
Logger::Logger(const char *p,const char *prefix,unsigned long maxLogSize) :
|
|
_path((p) ? p : ""),
|
|
_prefix((prefix) ? (std::string(prefix) + " ") : ""),
|
|
_maxLogSize(maxLogSize),
|
|
_log_m(),
|
|
_log((FILE *)0)
|
|
{
|
|
if (_path.length())
|
|
_log = fopen(_path.c_str(),"a");
|
|
else _log = stdout;
|
|
}
|
|
|
|
Logger::~Logger()
|
|
{
|
|
fflush(_log);
|
|
if ((_log)&&(_log != stdout)&&(_log != stderr))
|
|
fclose(_log);
|
|
}
|
|
|
|
void Logger::log(const char *fmt,...)
|
|
{
|
|
va_list ap;
|
|
char tmp[128];
|
|
|
|
if (_log) {
|
|
Mutex::Lock _l(_log_m);
|
|
_rotateIfNeeded();
|
|
|
|
if (_log) {
|
|
time_t now = time(0);
|
|
#ifdef __WINDOWS__
|
|
ctime_s(tmp,sizeof(tmp),&now);
|
|
char *nowstr = tmp;
|
|
#else
|
|
char *nowstr = ctime_r(&now,tmp);
|
|
#endif
|
|
for(char *c=nowstr;*c;++c) {
|
|
if (*c == '\n')
|
|
*c = '\0';
|
|
}
|
|
|
|
if (_prefix.length())
|
|
fwrite(_prefix.data(),1,_prefix.length(),_log);
|
|
|
|
fprintf(_log,"[%s] ",nowstr);
|
|
va_start(ap,fmt);
|
|
vfprintf(_log,fmt,ap);
|
|
va_end(ap);
|
|
#ifdef _WIN32
|
|
fwrite("\r\n",1,2,_log);
|
|
#else
|
|
fwrite("\n",1,1,_log);
|
|
#endif
|
|
|
|
fflush(_log);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef ZT_TRACE
|
|
void Logger::trace(const char *module,unsigned int line,const char *fmt,...)
|
|
{
|
|
va_list ap;
|
|
char tmp[128];
|
|
|
|
if (_log) {
|
|
Mutex::Lock _l(_log_m);
|
|
_rotateIfNeeded();
|
|
|
|
if (_log) {
|
|
time_t now = time(0);
|
|
#ifdef __WINDOWS__
|
|
ctime_s(tmp,sizeof(tmp),&now);
|
|
char *nowstr = tmp;
|
|
#else
|
|
char *nowstr = ctime_r(&now,tmp);
|
|
#endif
|
|
for(char *c=nowstr;*c;++c) {
|
|
if (*c == '\n')
|
|
*c = '\0';
|
|
}
|
|
|
|
if (_prefix.length())
|
|
fwrite(_prefix.data(),1,_prefix.length(),_log);
|
|
|
|
fprintf(_log,"[%s] TRACE/%s:%u ",nowstr,module,line);
|
|
va_start(ap,fmt);
|
|
vfprintf(_log,fmt,ap);
|
|
va_end(ap);
|
|
#ifdef _WIN32
|
|
fwrite("\r\n",1,2,_log);
|
|
#else
|
|
fwrite("\n",1,1,_log);
|
|
#endif
|
|
|
|
fflush(_log);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void Logger::_rotateIfNeeded()
|
|
{
|
|
if ((_maxLogSize)&&(_log != stdout)&&(_log != stderr)) {
|
|
long pos = ftell(_log);
|
|
if (pos > (long)_maxLogSize) {
|
|
fclose(_log);
|
|
rename(_path.c_str(),std::string(_path).append(".old").c_str());
|
|
_log = fopen(_path.c_str(),"w");
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace ZeroTier
|
|
|