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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>
#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 std::ostringstream
{
public:
#ifdef LOG_SYSLOG
static const int FAC_USER = LOG_USER;
static const int FAC_MAIL = LOG_MAIL;
static const int FAC_DAEMON = LOG_DAEMON;
static const int FAC_AUTH = LOG_AUTH;
static const int FAC_SYSLOG = LOG_SYSLOG;
static const int FAC_LPR = LOG_LPR;
static const int FAC_NEWS = LOG_NEWS;
static const int FAC_UUCP = LOG_UUCP;
static const int FAC_CRON = LOG_CRON;
static const int FAC_AUTHPRIV = LOG_AUTHPRIV;
static const int FAC_FTP = LOG_FTP;
static const int FAC_LOCAL0 = LOG_LOCAL0;
static const int FAC_LOCAL1 = LOG_LOCAL1;
static const int FAC_LOCAL2 = LOG_LOCAL2;
static const int FAC_LOCAL3 = LOG_LOCAL3;
static const int FAC_LOCAL4 = LOG_LOCAL4;
static const int FAC_LOCAL5 = LOG_LOCAL5;
static const int FAC_LOCAL6 = LOG_LOCAL6;
static const int FAC_LOCAL7 = LOG_LOCAL7;
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 FAC_USER = 0;
static const int FAC_MAIL = 0;
static const int FAC_DAEMON = 0;
static const int FAC_AUTH = 0;
static const int FAC_SYSLOG = 0;
static const int FAC_LPR = 0;
static const int FAC_NEWS = 0;
static const int FAC_UUCP = 0;
static const int FAC_CRON = 0;
static const int FAC_AUTHPRIV = 0;
static const int FAC_FTP = 0;
static const int FAC_LOCAL0 = 0;
static const int FAC_LOCAL1 = 0;
static const int FAC_LOCAL2 = 0;
static const int FAC_LOCAL3 = 0;
static const int FAC_LOCAL4 = 0;
static const int FAC_LOCAL5 = 0;
static const int FAC_LOCAL6 = 0;
static const int FAC_LOCAL7 = 0;
static const int PRIO_EMERG = 1;
static const int PRIO_ALERT = 2;
static const int PRIO_CRIT = 3;
static const int PRIO_ERR = 4;
static const int PRIO_WARNING = 5;
static const int PRIO_NOTICE = 6;
static const int PRIO_INFO = 7;
static const int PRIO_DEBUG = 8;
#endif
#ifdef LOG_STDOUT
static std::string prioToString(int prio);
#endif
#ifdef LOG_WINEVENTLOG
static WORD prioToEventLogType(int prio);
#endif
static Log& instance();
Log& setLogName(std::string newLogName);
std::string getLogName() const { return logName; }
Log& setFacility(int newFacility);
int getFacility() const { return facility; }
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 open();
Mutex mutex;
friend class LogStringBuilder;
std::string logName;
int facility;
#ifdef LOG_WINEVENTLOG
HANDLE h_event_source_;
#endif
};
extern Log& cLog;
#endif
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