---

server.hh

/*
 * PIAVE - PIAVE Is A Video Editor
 *
 * Copyright (C) 2002 Rolf Dubitzky, rolf@dubitzky.de
 *
 * This class is based in the nullcutter.cc example from
 * kdenlive by Jason Wood
 *
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#if ! defined ( SERVER_HH )
#define SERVER_HH

// std
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>

// std++
#include <iostream>
#include <string>

// piave
#include "libpiave/piave_base.hh"
#include "libpiave/storybase.hh"


namespace PIAVE {

    class Server
    {
      public:
        enum State { 
            state_not_initialized, 
            state_not_connected, 
            state_error_connecting,
            state_connected, 
            state_process_commands, 
            state_shutting_down 
        };

      public: 
        Server( unsigned short port );
        virtual ~Server();
        int execute();
        
        void sendMessage( const std::string & str );
        int receiveMessage( std::string & str );

      protected:
        virtual void startProcessCommandsLoop() = 0;
        void setState( State state ) { _state = state; }
        State getState() const { return _state; };

      private: // Private methods
        void initListenSocket();
        void closeListenSocket();
        void closeCommSocket();
        
      private: 
        State _state;


        unsigned short m_port;
        int m_listenSocket;
        int m_commSocket;
        sockaddr_in m_socketAddress;
        std::string m_commandBuffer;
        
        int m_totalBytesRead;

        std::string m_messageBuffer;

        static std::string whitespace;
      public:
        static Server * Inst;
        static void cleanup_at_exit();
    };

};

#endif

---