tcp_serversocket.hxx

RTP协议

#ifndef TcpServerSocket_hxx
#define TcpServerSocket_hxx

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */

static const char* const TcpServerSocketHeaderVersion =
    "$Id: Tcp_ServerSocket.hxx,v 1.2.2.1 2003/01/30 22:39:10 bko Exp $";

#include <sys/socket.h>
#include <netinet/in.h>

//User define class
#include "mstring.hxx"
#include "Connection.hxx"

class VNetworkException;
class TcpServerSocket;


/**
   Create a TCP server socket.<P>

   <b>Usage:</b>


   <pre>

   TcpServerSocket serverSocket(8000); // listen on port 8000

   while (serverSocket.getServerConn().isReadReady())
   {
       Connection conn;
       serverSocket.accept(conn);
       
       // now conn can be read / written (see Connection for details)
       // to get the actual data.

   }
   </pre>

*/

class TcpServerSocket
{
    public:

	/**
	   Create a TCP server socket.

	   @param servPort   listen on this port.
	   @throw VNetworkException
	*/
        TcpServerSocket(int servPort) throw (VNetworkException&);

	/**
	   Create a TCP server socket.

	   by default, it uses Venv::VPS_PORT.

	   @throw VNetworkException
	*/
        TcpServerSocket() throw (VNetworkException&);
        TcpServerSocket(const TcpServerSocket&);

        TcpServerSocket& operator=(TcpServerSocket& other);
        ~TcpServerSocket();


	/**
	   Accept an incoming connection, and create a Connection
	   object for it.
	   
	   @param con   the client connection is set to this object.
	   @throw VNetworkException
	*/
        int accept(Connection& con) throw (VNetworkException&);

	/**
	   close the server connection.
	*/
        void close();

	/// get the client connection (what is this?)
        inline Connection& getClientConn()
        {
            return _clientConn;
        };

	/// get the server connection
        inline Connection& getServerConn()
        {
            return _serverConn;
        };
    private:
        ///
        void listenOn(int servPort) throw (VNetworkException&);

        Connection _serverConn;
        Connection _clientConn;
};

#endif