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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/>.
*/
#ifndef _LOG_H_
#define _LOG_H_
#include <string>
#include <sstream>
#include "logTargets.h"
#ifdef LOG_SYSLOG
#include <syslog.h>
#endif
#include "threadUtils.hpp"
#define STERROR_TEXT_MAX 200
#ifndef NO_CRYPT
#ifndef USE_SSL_CRYPTO
#include <gcrypt.h>
class LogGpgError
{
public:
LogGpgError(gcry_error_t e) : err_(e) {};
gcry_error_t err_;
};
std::ostream& operator<<(std::ostream& stream, LogGpgError const& value);
#endif
#endif
class LogErrno
{
public:
LogErrno(system_error_t e) : err_(e) {};
system_error_t err_;
};
std::ostream& operator<<(std::ostream& stream, LogErrno const& value);
class Log;
class LogStringBuilder
{
public:
LogStringBuilder(LogStringBuilder const& src);
LogStringBuilder(Log& l, int p);
~LogStringBuilder();
template<class T>
std::ostream& operator<<(T const& value) { return stream << value; }
private:
Log& log;
int prio;
std::stringstream stream;
};
class Log
{
public:
#ifdef LOG_SYSLOG
static const int PRIO_EMERG = LOG_EMERG;
static const int PRIO_ALERT = LOG_ALERT;
static const int PRIO_CRIT = LOG_CRIT;
static const int PRIO_ERR = LOG_ERR;
static const int PRIO_WARNING = LOG_WARNING;
static const int PRIO_NOTICE = LOG_NOTICE;
static const int PRIO_INFO = LOG_INFO;
static const int PRIO_DEBUG = LOG_DEBUG;
#else
static const int PRIO_EMERG = 0;
static const int PRIO_ALERT = 1;
static const int PRIO_CRIT = 2;
static const int PRIO_ERR = 3;
static const int PRIO_WARNING = 4;
static const int PRIO_NOTICE = 5;
static const int PRIO_INFO = 6;
static const int PRIO_DEBUG = 7;
#endif
static std::string prioToString(int prio);
static Log& instance();
void addTarget(std::string conf);
void addTarget(LogTargetList::target_type_t type, int prio, std::string conf);
LogStringBuilder msg(int prio=PRIO_INFO) { return LogStringBuilder(*this, prio); }
private:
Log() {};
~Log() {};
Log(const Log &l);
void operator=(const Log &l);
static Log* inst;
static Mutex instMutex;
class instanceCleaner {
public: ~instanceCleaner() {
if(Log::inst != 0)
delete Log::inst;
}
};
friend class instanceCleaner;
void log(std::string msg, int prio);
Mutex mutex;
friend class LogStringBuilder;
LogTargetList targets;
};
extern Log& cLog;
#endif
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