opstopringing.cxx

SIP（Session Initiation Protocol）是由IETF定义

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static const char* const OpStopRinging_cxx_Version =
    "$Id: OpStopRinging.cxx,v 1.15 2002/11/09 02:13:08 derekm Exp $";


#include "global.h"
#include <cassert>
#include <cpLog.h>
#include <SipEvent.hxx>
#include <CancelMsg.hxx>
#include "OpStopRinging.hxx"
#include "UaHardwareEvent.hxx"
#include "UaDevice.hxx"
#include "UaCallInfo.hxx"

///
using namespace Vocal;


OpStopRinging::OpStopRinging()
{}


///
const Sptr < State >
OpStopRinging::process( const Sptr < SipProxyEvent > event )
{
    cpLog( LOG_DEBUG, "Stop Ringing" );

    // figure out if the call is going to be cancelled or become active
    bool callCancel = false;

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

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

    Sptr < UaHardwareEvent > signal =
	new UaHardwareEvent( UaDevice::getDeviceQueue() );
    signal->type = HardwareSignalType;

    SipCallId callId = call->getContact()->getInviteMsg().getCallId();

    if ( UaDevice::instance()->getCallWaitingId() == 0 )
    {
        signal->signalOrRequest.signal = DeviceSignalRingStop;
        if ( callCancel )
            UaDevice::instance()->setCallId( 0 );
    }
    else
    {
        signal->signalOrRequest.signal = DeviceSignalStopCallWaitingBeep;
        if ( callCancel )
            UaDevice::instance()->removeCallWaitingId( callId );
    }

    UaDevice::getDeviceQueue()->add( signal );

    return 0;
}


///
OpStopRinging::~OpStopRinging()
{}


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