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/*
* anytun
*
* The secure anycast tunneling protocol (satp) defines a protocol used
* for communication between any combination of unicast and anycast
* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
* message authentication based on the methodes used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
*
*
* Copyright (C) 2007-2008 Othmar Gsenger, Erwin Nindl,
* Christian Pointner <satp@wirdorange.org>
*
* This file is part of Anytun.
*
* Anytun is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Anytun 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 anytun. If not, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <string>
#include "log.h"
#include "threadUtils.hpp"
Log* Log::inst = NULL;
Mutex Log::instMutex;
Log& cLog = Log::instance();
#ifndef NOCRYPT
#ifndef USE_SSL_CRYPTO
std::ostream& operator<<(std::ostream& stream, LogGpgError const& value)
{
char buf[STERROR_TEXT_MAX];
buf[0] = 0;
gpg_strerror_r(value.err_, buf, STERROR_TEXT_MAX);
return stream << buf;
}
#endif
#endif
std::ostream& operator<<(std::ostream& stream, LogErrno const& value)
{
char buf[STERROR_TEXT_MAX];
buf[0] = 0;
char* errStr;
// this really sucks, g++ seems to unconditionally define _GNU_SOURCE
// and undefining it breaks the build...
#ifdef _GNU_SOURCE
errStr = strerror_r(value.err_, buf, STERROR_TEXT_MAX);
#else
strerror_r(value.err_, buf, STERROR_TEXT_MAX);
errStr = buf;
#endif
return stream << errStr;
}
LogStringBuilder::LogStringBuilder(LogStringBuilder const& src) : log(src.log), prio(src.prio)
{
stream << src.stream.str();
}
LogStringBuilder::LogStringBuilder(Log& l, int p) : log(l), prio(p)
{
// do something on the start of the line.
}
LogStringBuilder::~LogStringBuilder()
{
Lock lock(log.mutex);
#ifndef NOSYSLOG
syslog(prio | log.getFacility(), "%s", stream.str().c_str());
#endif
}
Log& Log::instance()
{
Lock lock(instMutex);
static instanceCleaner c;
if(!inst)
inst = new Log();
return *inst;
}
Log::Log()
{
facility = FAC_DAEMON;
logName = "anytun";
open();
}
Log::~Log()
{
#ifndef NOSYSLOG
closelog();
#endif
}
void Log::open()
{
#ifndef NOSYSLOG
openlog(logName.c_str(), LOG_PID, facility);
#endif
}
Log& Log::setLogName(std::string newLogName)
{
logName = newLogName;
open();
return *this;
}
Log& Log::setFacility(int newFacility)
{
facility = newFacility;
open();
return *this;
}
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