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Channel.hpp

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00001 /* -*- C++ -*- */
00002 
00003 /*
00004  * The Apache Software License, Version 1.1
00005  *
00006  *
00007  * Copyright (c) 2002 The Apache Software Foundation.  All rights
00008  * reserved.
00009  *
00010  * Redistribution and use in source and binary forms, with or without
00011  * modification, are permitted provided that the following conditions
00012  * are met:
00013  *
00014  * 1. Redistributions of source code must retain the above copyright
00015  *    notice, this list of conditions and the following disclaimer.
00016  *
00017  * 2. Redistributions in binary form must reproduce the above copyright
00018  *    notice, this list of conditions and the following disclaimer in
00019  *    the documentation and/or other materials provided with the
00020  *    distribution.
00021  *
00022  * 3. The end-user documentation included with the redistribution,
00023  *    if any, must include the following acknowledgment:
00024  *       "This product includes software developed by the
00025  *        Apache Software Foundation (http://www.apache.org/)."
00026  *    Alternately, this acknowledgment may appear in the software itself,
00027  *    if and wherever such third-party acknowledgments normally appear.
00028  *
00029  * 4. The names "SOAP" and "Apache Software Foundation" must
00030  *    not be used to endorse or promote products derived from this
00031  *    software without prior written permission. For written
00032  *    permission, please contact apache@apache.org.
00033  *
00034  * 5. Products derived from this software may not be called "Apache",
00035  *    nor may "Apache" appear in their name, without prior written
00036  *    permission of the Apache Software Foundation.
00037  *
00038  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00039  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00040  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00041  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00042  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00043  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00044  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00045  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00046  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00047  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00048  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00049  * SUCH DAMAGE.
00050  * ====================================================================
00051  *
00052  * This software consists of voluntary contributions made by many
00053  * individuals on behalf of the Apache Software Foundation.  For more
00054  * information on the Apache Software Foundation, please see
00055  * <http://www.apache.org/>.
00056  */
00057 
00058 /*
00059  *
00060  *
00061  * @author Lilantha Darshana (lilantha@erunway.com)
00062  *
00063  */
00064 
00065 #if !defined(_AXIS_CHANNEL_HPP)
00066 #define _AXIS_CHANNEL_HPP
00067 
00068 #include <string>
00069 
00070 
00071 // platform specific stuff
00072 
00073 #if (defined(_LINUX) || defined(_SUNOS) || defined(_AIX) || defined(_UNIX))
00074 
00075 
00076 #include    <unistd.h>
00077 #include    <sys/types.h>   // basic system data types 
00078 #include    <sys/socket.h>  // basic socket definitions
00079 #include    <fcntl.h>       // for nonblocking if need
00080 #include    <netdb.h>
00081 #include    <netinet/in.h>
00082 #include    <arpa/inet.h>   // inet(3) functions
00083 
00084 const unsigned int INVALID_SOCKET =  0;
00085 const int          SOCKET_ERROR   = -1;
00086 
00087 // Other OS specific stuff goes here
00088 
00089 
00090 #elif  defined(WIN32)
00091 
00092 #include <winsock2.h>
00093 
00094 // what version of WinSock is required 
00095 const int   WS_VERSION_REQD = 0x0101;
00096 
00097 // macros to get version major & minor
00098 inline WS_VERSION_MAJOR() {return HIBYTE(WS_VERSION_REQD);}
00099 inline WS_VERSION_MINOR() {return LOBYTE(WS_VERSION_REQD);}
00100 
00101 
00102 #endif
00103 
00104 
00113 
00114 class ChannelException
00115 {
00116     public:
00118         ChannelException(std::string p_Err){m_Error = p_Err;}
00119         ~ChannelException(){}
00120 
00122         const std::string& GetErr(){return m_Error;}
00123 
00124     private:
00125 
00126         std::string m_Error;  
00127 };
00128 
00129 
00130 
00131 
00132 class Transport;
00133 
00143 
00144 class Channel  
00145 {
00146 public:
00147     Channel();
00148     ~Channel();
00149 
00151     bool  Open(std::string& p_RemoteNode, unsigned short p_RemoteEnd) throw (ChannelException);
00152 
00154     void  Close(){CloseChannel();}
00155 
00157     const Channel& operator >> (std::string& msg);
00158     
00160     const Channel& operator << (const std::string& msg);
00161     
00163     const std::string& GetLastError(){return m_LastErr;}
00164 
00166     void SetTransportHandler(Transport* transport){m_pTransportHandler = transport;}
00167 
00168 private:
00170     bool Init();
00171 
00173     void Error(const char * err);
00174 
00176     void CloseChannel();
00177 
00178     unsigned int    m_Sock;             
00179     std::string     m_RemoteNode;       
00180     unsigned short  m_RemoteEnd;        
00181     std::string     m_LastErr;          
00182 
00183     Transport   * m_pTransportHandler;  
00184 };
00185 
00186 
00187 
00188 
00189 #endif // _AXIS_CHANNEL_HPP
00190 
00191 
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