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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 <boost/system/system_error.hpp>
#include "log.h"
#include "threadUtils.hpp"
#ifdef LOG_WINEVENTLOG
#include <windows.h>
#include <strsafe.h>
#endif
Log* Log::inst = NULL;
Mutex Log::instMutex;
Log& cLog = Log::instance();
#ifndef NO_CRYPT
#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)
{
boost::system::system_error err(boost::system::error_code(value.err_,boost::system::get_system_category()));
// boost::system::system_error err(boost::system::error_code(value.err_,boost::system::get_posix_category()));
return stream << err.what();
}
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);
#ifdef LOG_SYSLOG
syslog(prio | log.getFacility(), "%s", stream.str().c_str());
#endif
#ifdef LOG_STDOUT
std::cout << "LOG-" << Log::prioToString(prio) << ": " << stream.str() << std::endl;
#endif
#ifdef LOG_WINEVENTLOG
LPCTSTR lpszStrings[1];
CHAR buffer[STERROR_TEXT_MAX];
StringCchPrintfA(buffer, STERROR_TEXT_MAX, "%s", stream.str().c_str());
lpszStrings[0] = buffer;
if(log.h_event_source_)
ReportEventA(log.h_event_source_, Log::prioToEventLogType(prio), 0, prio, NULL, 1, 0, lpszStrings, NULL);
#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()
{
#ifdef LOG_SYSLOG
closelog();
#endif
#ifdef LOG_WINEVENTLOG
if(h_event_source_)
DeregisterEventSource(h_event_source_);
#endif
}
#ifdef LOG_STDOUT
std::string Log::prioToString(int prio)
{
switch(prio) {
case PRIO_EMERG: return "EMERG";
case PRIO_ALERT: return "ALERT";
case PRIO_CRIT: return "CRIT";
case PRIO_ERR: return "ERR";
case PRIO_WARNING: return "WARNING";
case PRIO_NOTICE: return "NOTICE";
case PRIO_INFO: return "INFO";
case PRIO_DEBUG: return "DEBUG";
default: return "UNKNOWN";
}
}
#endif
#ifdef LOG_WINEVENTLOG
WORD Log::prioToEventLogType(int prio)
{
switch(prio) {
case PRIO_EMERG: return EVENTLOG_ERROR_TYPE;
case PRIO_ALERT: return EVENTLOG_ERROR_TYPE;
case PRIO_CRIT: return EVENTLOG_ERROR_TYPE;
case PRIO_ERR: return EVENTLOG_ERROR_TYPE;
case PRIO_WARNING: return EVENTLOG_WARNING_TYPE;
case PRIO_NOTICE: return EVENTLOG_INFORMATION_TYPE;
case PRIO_INFO: return EVENTLOG_SUCCESS;
case PRIO_DEBUG: return EVENTLOG_INFORMATION_TYPE;
default: return EVENTLOG_ERROR_TYPE;
}
}
#endif
void Log::open()
{
#ifdef LOG_SYSLOG
openlog(logName.c_str(), LOG_PID, facility);
#endif
#ifdef LOG_WINEVENTLOG
h_event_source_ = RegisterEventSourceA(NULL, logName.c_str());
#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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