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Channel.hpp

/* -*- C++ -*- */

/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2002 The Apache Software Foundation.  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 end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "SOAP" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 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 many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

/*
 *
 *
 * @author Lilantha Darshana (lilantha@virtusa.com)
 * @author Damitha Kumarage (damitha@jkcsworld.com, damitha@opensource.lk)
 *
 */

#if !defined(_AXIS_CHANNEL_HPP)
#define _AXIS_CHANNEL_HPP

#include <string>
#include "Transport.hpp"

// platform specific stuff

#ifdef WIN32

#include <winsock2.h>

// what version of WinSock is required
const int       WS_VERSION_REQD = 0x0101;

// macros to get version major & minor
inline WS_VERSION_MAJOR() {return HIBYTE(WS_VERSION_REQD);}
inline WS_VERSION_MINOR() {return LOBYTE(WS_VERSION_REQD);}


#else

#include        <unistd.h>
#include        <sys/types.h>   // basic system data types 
#include        <sys/socket.h>  // basic socket definitions
#include        <fcntl.h>               // for nonblocking if need
#include        <netdb.h>
#include        <netinet/in.h>
#include        <arpa/inet.h>   // inet(3) functions

const unsigned int INVALID_SOCKET =  0;
const int                  SOCKET_ERROR   = -1;

// Other OS specific stuff goes here



#endif


class ChannelException
{
        public:
                ChannelException(std::string p_Err){m_Error = p_Err;}
                ~ChannelException(){}

                const std::string& GetErr(){return m_Error;}

        private:

                std::string m_Error;  
};

class Channel  
{
public:
        Channel();
        virtual ~Channel();

        virtual bool  Open(std::string& p_RemoteNode, unsigned short p_RemoteEnd) throw (ChannelException);

        virtual void  Close(){CloseChannel();}

        virtual const Channel& operator >> (std::string& msg);
        
        virtual const Channel& operator << (const char* msg);
        
        virtual const std::string& GetLastError(){return m_LastErr;}

        virtual void SetTransportHandler(Transport* transport){m_pTransportHandler = transport;}

protected:
        virtual bool Init();

        virtual void Error(const char * err);

        virtual void CloseChannel();

        unsigned int    m_Sock;                         
        std::string             m_RemoteNode;           
        unsigned short  m_RemoteEnd;            
        std::string             m_LastErr;                      

        Transport       * m_pTransportHandler;  
};




#endif // _AXIS_CHANNEL_HPP

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