tcpip_appender.h

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/**************************************************************************

   begin                : Fri Sep 14 2007
   copyright            : (C) 2007 by Ewald Arnold
   email                : log4sendpp at ewald-arnold dot de

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2 of the License,
   or (at your option) any later version.

   This program 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 Lesser General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 **/

#ifndef LOG4SENDPP_TCPIP_APPENDER_H
#define LOG4SENDPP_TCPIP_APPENDER_H

#include <log4sendpp/log4sendpp.h>  // always first header

#include <string>

#include <log4sendpp/appender.h>


LOG4SENDPP_NS_START


class LOG4SENDPP_API_DECL0 TcpIpAppender : public Appender
{
 public:

   TcpIpAppender(Formatter *formatter, const LOG4SENDPP_STD_NS::string &host, unsigned port = 4448);

   TcpIpAppender(Formatter *formatter, long adr, unsigned port = 4448);

   virtual ~TcpIpAppender();

    virtual void append (Logger::Level level,
                         LOG4SENDPP_STD_NS::string msg,
                         LOG4SENDPP_STD_NS::string category,
                         LOG4SENDPP_INT64 stamp,
                         const LocationInformation *loginfo,
                         const Logger::DiagnosticInformation *diaginfo);

    virtual void writeString(const LOG4SENDPP_STD_NS::string &data);

   virtual bool isWorking() const;

   static LOG4SENDPP_STD_NS::string gethostname();

  protected:

   void open();

   void close();

 private:

   void init (unsigned port);

   signed long low_level_write(char const *buff, long len);

   struct hostent * getHostAdress(const LOG4SENDPP_STD_NS::string &dom);

   void asciiToInAddr(const char *address, struct in_addr &saddr);

   static LOG4SENDPP_STD_NS::string getErrorString(int err_number);

   static int getLastError();

#if defined(__WIN32__)  && !defined (LOG4SENDPP_NO_WSA_STARTUP)

   static void WSA_init();

#endif

 private:

   struct Impl;
   Impl  *pimpl;

#if defined(__WIN32__)  && !defined (LOG4SENDPP_NO_WSA_STARTUP)
   static bool WSA_is_initialized; 
#endif
};


LOG4SENDPP_NS_END


#endif // LOG4SENDPP_TCPIP_APPENDER_H

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