builder.cxx

SIP（Session Initiation Protocol）是由IETF定义

/* ====================================================================
 * 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.
 * 
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 * DAMAGE.
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 * ====================================================================
 * 
 * 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
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static const char* const Builder_cxx_Version =
    "$Id: Builder.cxx,v 1.30 2002/03/19 21:39:51 jason Exp $";


#include "global.h"
#include "Builder.hxx"
#include "SipEvent.hxx"
#include "SipTransceiver.hxx"

using namespace Vocal;


Builder::Builder()
    :   myCallContainer(0)
{
}


Builder::~Builder()
{
    myFeatures.clear();
}


void
Builder::process(const Sptr < SipProxyEvent > nextEvent)
{
    assert ( nextEvent != 0 );
    assert ( myCallContainer != 0 );

    Sptr < SipEvent > sipEvent;
    sipEvent.dynamicCast(nextEvent);
    if ( sipEvent != 0)
    {
        Sptr < CallInfo > callInfo 
            = myCallContainer->getCall(sipEvent->getSipCallLeg());

        sipEvent->setCallInfo(callInfo, myCallContainer);
    }

    // Locking is done in the operators
    //
    for (   FeatureIter iter = myFeatures.begin(); 
            iter != myFeatures.end(); 
            iter++
        )
    {
        (*iter)->process(nextEvent);
    }

    if ( sipEvent != 0 )
    {
        myCallContainer->removeCall(sipEvent->getSipCallLeg());
    }
    cpLog(LOG_DEBUG, "Done with Builder " );
}


void
Builder::setCallContainer(const Sptr < CallContainer > callContainer)
{
    myCallContainer = callContainer;
}

void
Builder::setSipStack(const Sptr < SipTransceiver > sipStack)
{
   mySipStack = sipStack;
}


void
Builder::addFeature(const Sptr < Feature > feature)
{
    assert( feature != 0);

    cpLog( LOG_DEBUG, "Insert %s feature", feature->name() );

    myFeatures.push_back(feature);

    assert( myFeatures.begin() != myFeatures.end() );
}