sipcallid.hxx

SIP（Session Initiation Protocol）是由IETF定义

#ifndef SipCallId_HXX
#define SipCallId_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/>.
 *
 */

#include "global.h"
static const char* const SipCallIdVersion =
"$Id: SipCallId.hxx,v 1.36.2.1 2003/02/20 00:52:53 bko Exp $";



#include "Data.hxx"
#include "HostMatch.hxx"
#include "SipHeader.hxx"
#include "VException.hxx"

namespace Vocal
{

enum SipCallIdErrorType
{
    DECODE_CALLID_FAILED

    //may need to change this to be more specific
};

/// Exception handling class 
class SipCallIdParserException : public VException
{
    public:
        SipCallIdParserException( const string& msg,
                                  const string& file,
                                  const int line,
                                  const int error = 0 );
        SipCallIdParserException( const string& msg,
                                  const string& file,
                                  const int line,
                                  SipCallIdErrorType i)
            : VException( msg, file, line, static_cast < int > (i))
            {
                value = i;
            }
        const SipCallIdErrorType& getError() const
            {
                return value;
            }
        string getName() const ;
    private:
        SipCallIdErrorType value;

};
/// data container for CallId header
class SipCallId : public SipHeader
{
    public:
        /// Create one with default values
        SipCallId();

        ///
        SipCallId( const SipCallId& ohter );

        ///
        void setData(const Data& item);

        ///
        Data getData() const;
        Data getLocalId() const
            {
                return localid;
            }
        Data getHost() const
            {
                return host;
            }
        void setLocalId(const Data & newlocalid)
            {
                localid = newlocalid;
            }
        void setHost(const Data & newhost)
            {
                host = newhost;
            }
        ///
        bool operator == ( const SipCallId& other ) const;
        ///
        bool operator != (const SipCallId& other) const
            { return !(*this == other);}
        ///
        const SipCallId& operator = ( const SipCallId& src );

        ///
        bool operator < ( const SipCallId& other ) const;

        ///
         bool operator >( const SipCallId& other ) const;


        /*** Create by decoding the data string passed in. This is the decode
             or parse. This call should only be used inside the stack and is
             not part of the API */
        SipCallId( const Data& data );

        /*** return the encoded string version of this. This call should only be
             used inside the stack and is not part of the API */
        Data encode() const;

        Data getCallIdData() const;

        size_t hashfn()const;

        /// method for copying sip headers of any type without knowing which type
        SipHeader* duplicate() const;
        /// compare two headers of (possibly) the same class
        virtual bool compareSipHeader(SipHeader* msg) const;

    private:
        Data localid;
        Data host;
        size_t hash;
        void decode(const Data& data);
        void getHash();
        void parse(const Data& data);
        void scanSipCallId(const Data& data);
        void parseLocalId(const Data& data);
        void parseHost(const Data& data);

        friend class SipMsg;
};

 ostream& operator<<(ostream& strm, const SipCallId& id);
} // namespace Vocal


/* Local Variables: */
/* c-file-style: "stroustrup" */
/* indent-tabs-mode: nil */
/* c-file-offsets: ((access-label . -) (inclass . ++)) */
/* c-basic-offset: 4 */
/* End: */


#endif