uastatefailure.cxx

SIP 1.5.0源代码

/* ====================================================================
 * 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
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 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
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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
 * <http://www.vovida.org/>.
 *
 */



static const char* const UaStateFailure_cxx_Version =
    "$Id: UaStateFailure.cxx,v 1.7 2002/11/09 19:35:51 veer Exp $";

#include "UaStateFailure.hxx"
#include "UaBase.hxx"
#include "BasicAgent.hxx"
#include "UaStateFactory.hxx"
#include "AckMsg.hxx"
#include "SipVia.hxx"

using namespace Vocal;
using namespace UA;

using namespace Vocal;

void 
UaStateFailure::recvRequest(UaBase& agent, Sptr<SipMsg> msg)
                 throw (CInvalidStateException&)
{
    cpLog(LOG_DEBUG, "UaStateFailure::recvRequest");
    if(msg->getType() == SIP_ACK)
    {
        if(agent.isAServer())
        {
            //Transit to Idle
            changeState(agent, UaStateFactory::instance().getState(U_STATE_IDLE));
        }
        else
        {
            cpLog(LOG_ERR, "Unexpected message type %d, while expecting ACK", msg->getType());
        }
    }
}


void 
UaStateFailure::recvStatus(UaBase& agent, Sptr<SipMsg> msg)
                 throw (CInvalidStateException&)
{
    cpLog(LOG_DEBUG, "UaStateFailure::recvStatus");
    assert(agent.isAClient());
    Sptr<StatusMsg> statusMsg;
    statusMsg.dynamicCast(msg);
    assert(statusMsg != 0);
    int statusCode = statusMsg->getStatusLine().getStatusCode();
    if(statusCode > 200)
    {
        //Transit to Idle
        if(statusCode == 487)
        {
            //Create the ACK msg of the original Invite and send
            Sptr<InviteMsg> invMsg;
            invMsg.dynamicCast(agent.getRequest());
            assert(invMsg != 0);
            Sptr<AckMsg> ackMsg = new AckMsg(*statusMsg);
            ackMsg->flushViaList();

            SipVia via = invMsg->getVia(0);
            ackMsg->setVia(via, 0);

            Sptr<SipUrl> sUrl;
            sUrl.dynamicCast(invMsg->getRequestLine().getUrl());
            SipRequestLine rLine(SIP_ACK, sUrl);
            ackMsg->setRequestLine(rLine);

            agent.getSipTransceiver()->sendAsync(ackMsg);
        }
        //Notify CC
        if(agent.getControllerAgent())
            agent.getControllerAgent()->receivedStatus(agent, msg);
        ///
        if(agent.getControllerAgent()) agent.getControllerAgent()->callFailed();
        changeState(agent, UaStateFactory::instance().getState(U_STATE_IDLE));
    }
}

void 
UaStateFailure::sendStatus(UaBase& agent, Sptr<SipMsg> msg)
                 throw (CInvalidStateException&)
{
    //DO nothing
}