opholdtargeterr.cxx

SIP（Session Initiation Protocol）是由IETF定义

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static const char* const OpHoldTargetErr_cxx_Version =
    "$Id: OpHoldTargetErr.cxx,v 1.11 2002/11/09 02:13:07 derekm Exp $";



#include "global.h"
#include <SipEvent.hxx>
#include <AckMsg.hxx>

#include "OpHoldTargetErr.hxx"
#include "UaDeviceEvent.hxx"
#include "UaStateMachine.hxx"
#include "UaCallInfo.hxx"
#include "UaDevice.hxx"
#include "UaConfiguration.hxx"


///
using namespace Vocal;


OpHoldTargetErr::OpHoldTargetErr()
{}


OpHoldTargetErr::~OpHoldTargetErr()
{}


///

const char* const
OpHoldTargetErr::name() const
{
    return "OpHoldTargetErr";
}


///
const Sptr < State >
OpHoldTargetErr::process( const Sptr < SipProxyEvent > event )
{
    cpLog( LOG_DEBUG, "OpHoldTargetErr operation" );

    Sptr < SipEvent > sipEvent;
    sipEvent.dynamicCast( event );
    if ( sipEvent == 0 )
    {
        return 0;
    }
    Sptr < SipMsg > sipMsg = sipEvent->getSipMsg();
    assert( sipMsg != 0 );

    Sptr < StatusMsg > msg;
    msg.dynamicCast( sipMsg );
    if ( msg == 0 )
    {
        return 0;
    }

    Sptr < UaCallInfo > call;
    call.dynamicCast( event->getCallInfo() );
    assert( call != 0 );

    Sptr < Contact > contact = call->findContact( *msg );
    if ( contact == 0 )
    {
        //not a re-invite
        return 0;
    }

    int status = msg->getStatusLine().getStatusCode();

    if ( status <= 400 )
    {
        return 0;
    }

    cpLog( LOG_DEBUG, "Hold target error");

    // Needs to ack farend
    AckMsg ack( *msg );

    vector < SipRoute* > routeList;
    // add the route info
    if ( *(call->getRingInvite()) == contact->getInviteMsg() )
    {
        cpLog( LOG_DEBUG, "adding route info for the first call" );
        routeList = call->getRoute1List();
    }
    else
    {
        cpLog( LOG_DEBUG, "adding route info for the second call" );
        routeList = call->getRoute2List();
    }

    if ( routeList.size() > 0 )
    {
        ack.setRouteList( routeList );
        //
        SipRoute siproute = ack.getRoute(0);
        ack.removeRoute(0);

        SipRequestLine reqLine = ack.getRequestLine();
        reqLine.setUrl( siproute.getUrl() );
        ack.setRequestLine( reqLine );
    }

    sipEvent->getSipStack()->sendAsync( ack );

    Sptr < UaStateMachine > stateMachine;
    stateMachine.dynamicCast( event->getCallInfo()->getFeature() );
    assert( stateMachine != 0 );

    return stateMachine->findState( "StateError" );
}