/*
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* SyslogAppender.hh
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*
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* Copyright 2001, LifeLine Networks BV (www.lifeline.nl). All rights reserved.
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* Copyright 2001, Walter Stroebel. All rights reserved.
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*
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* See the COPYING file for the terms of usage and distribution.
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*/
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#ifndef _LOG4CPP_REMOTESYSLOGAPPENDER_HH
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#define _LOG4CPP_REMOTESYSLOGAPPENDER_HH
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#include <log4cpp/Portability.hh>
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#include <string>
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#include <stdarg.h>
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#include <log4cpp/LayoutAppender.hh>
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#include <log4cpp/Priority.hh>
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#ifdef WIN32
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#include <winsock2.h>
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#else
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#include <netinet/in.h>
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#endif
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#ifdef LOG4CPP_HAVE_SYSLOG
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#include <syslog.h>
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#else
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/// from syslog.h
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typedef enum {
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LOG_EMERG = 0, ///< system is unusable
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LOG_ALERT = 1, ///< action must be taken immediately
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LOG_CRIT = 2, ///< critical conditions
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LOG_ERR = 3, ///< error conditions
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LOG_WARNING = 4, ///< warning conditions
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LOG_NOTICE = 5, ///< normal but significant condition
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LOG_INFO = 6, ///< informational
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LOG_DEBUG = 7, ///< debug-level messages
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} SyslogLevel;
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typedef enum {
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LOG_KERN = (0<<3), ///< kernel messages
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LOG_USER = (1<<3), ///< random user-level messages
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LOG_MAIL = (2<<3), ///< mail system
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LOG_DAEMON = (3<<3), ///< system daemons
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LOG_AUTH = (4<<3), ///< security/authorization messages
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LOG_SYSLOG = (5<<3), ///< messages generated internally by syslogd
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LOG_LPR = (6<<3), ///< line printer subsystem
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LOG_NEWS = (7<<3), ///< network news subsystem
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LOG_UUCP = (8<<3), ///< UUCP subsystem
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LOG_CRON = (9<<3), ///< clock daemon
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LOG_AUTHPRIV = (10<<3), ///< security/authorization messages (private)
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LOG_FTP = (11<<3), ///< ftp daemon
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/* other codes through 15 reserved for system use */
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LOG_LOCAL0 = (16<<3), ///< reserved for local use
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LOG_LOCAL1 = (17<<3), ///< reserved for local use
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LOG_LOCAL2 = (18<<3), ///< reserved for local use
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LOG_LOCAL3 = (19<<3), ///< reserved for local use
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LOG_LOCAL4 = (20<<3), ///< reserved for local use
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LOG_LOCAL5 = (21<<3), ///< reserved for local use
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LOG_LOCAL6 = (22<<3), ///< reserved for local use
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LOG_LOCAL7 = (23<<3), ///< reserved for local use
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} SyslogFacility;
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#endif
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namespace log4cpp {
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/**
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* RemoteSyslogAppender sends LoggingEvents to a remote syslog system.
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*
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* Also see: draft-ietf-syslog-syslog-12.txt
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**/
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class LOG4CPP_EXPORT RemoteSyslogAppender : public LayoutAppender {
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public:
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/**
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* Translates a log4cpp priority to a syslog priority
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* @param priority The log4cpp priority.
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* @returns the syslog priority.
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**/
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static int toSyslogPriority(Priority::Value priority);
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/**
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* Instantiate a RemoteSyslogAppender with given name and name and
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* facility for syslog.
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* @param name The name of the Appender
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* @param syslogName The ident parameter in the openlog(3) call.
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* @param relayer The IP address or hostname of a standard syslog host.
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* @param facility The syslog facility to log to. Defaults to LOG_USER.
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* Value '-1' implies to use the default.
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* @param portNumber An alternative port number. Defaults to the
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* standard syslog port number (514).
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* Value '-1' implies to use the default.
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**/
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RemoteSyslogAppender(const std::string& name,
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const std::string& syslogName,
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const std::string& relayer,
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int facility = LOG_USER,
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int portNumber = 514);
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virtual ~RemoteSyslogAppender();
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/**
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* Closes and reopens the socket.
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**/
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virtual bool reopen();
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/**
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* Closes the socket
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**/
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virtual void close();
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protected:
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/**
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* Just creates the socket.
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**/
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virtual void open();
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/**
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* Sends a LoggingEvent to the remote syslog.
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* @param event the LoggingEvent to log.
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**/
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virtual void _append(const LoggingEvent& event);
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const std::string _syslogName;
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const std::string _relayer;
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int _facility;
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int _portNumber;
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#ifdef WIN32
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SOCKET _socket;
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#else
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int _socket;
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#endif
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in_addr_t _ipAddr;
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private:
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int _cludge;
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};
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}
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#endif // _LOG4CPP_REMOTESYSLOGAPPENDER_HH
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