internal SoftPhone(ISipProvider provider, SipMessageFactory messageFactory, SipHeaderFactory headerFactory,
SipAddressFactory addressFactory, ISoftPhoneStateProvider stateProvider, ITimerFactory timerFactory, SipListeningPoint listeningPoint)
{
ListeningPoint = listeningPoint;
_provider = provider;
_messageFactory = messageFactory;
_headerFactory = headerFactory;
_addressFactory = addressFactory;
_stateProvider = stateProvider;
_timerFactory = timerFactory;
InternalState = _stateProvider.GetIdle();
InternalState.Initialize(this);
RetransmitRingingTimer = _timerFactory.CreateRingingTimer(OnRetransmitRinging);
EndWaitForAckTimer = _timerFactory.CreateInviteCtxTimeOutTimer(OnWaitForAckTimeOut);
if(_logger.IsDebugEnabled) _logger.Debug("Initialized.");
}
public SipAddressFactory CreateAddressFactory()
{
return _addressFactory ?? (_addressFactory = new SipAddressFactory());
}
/// <summary>
/// creates a ack. this is to be sent by the testclient UA
/// </summary>
/// <param name="invite"></param>
/// <param name="ringing"></param>
/// <returns></returns>
protected SipRequest CreateAckRequest(SipRequest invite, SipResponse ringing)
{
var addressFactory = new SipAddressFactory();
var headerFactory = new SipHeaderFactory();
var messageFactory = new SipMessageFactory();
var localSequenceNr = invite.CSeq.Sequence;
/*_remoteSequenceNr remains empty */
var callId = invite.CallId.Value;
var localTag = invite.From.Tag;
var remoteUri = invite.To.SipUri;
var localUri = invite.From.SipUri;
var remoteTag = ringing.To.Tag;
var remoteTarget = ringing.Contacts.GetTopMost().SipUri;
var routeSet = ringing.RecordRoutes.ToList();//refuse looseroutin-less recordroutes
routeSet.Reverse();
var cseqHeader = headerFactory.CreateSCeqHeader(SipMethods.Ack, localSequenceNr);
var toAddress = addressFactory.CreateAddress(null, remoteUri);
var toHeader = headerFactory.CreateToHeader(toAddress, remoteTag);
var fromAddress = addressFactory.CreateAddress(null, localUri);
var fromHeader = headerFactory.CreateFromHeader(fromAddress, localTag);
var callIdheader = headerFactory.CreateCallIdHeader(callId);
var viaHeader = invite.Vias.GetTopMost();
var requestUri = remoteUri.Clone();
var maxForwardsHeader = headerFactory.CreateMaxForwardsHeader();
var request = messageFactory.CreateRequest(
requestUri,
SipMethods.Ack,
callIdheader,
cseqHeader,
fromHeader,
toHeader,
viaHeader,
maxForwardsHeader);
foreach (var route in routeSet)
{
request.Routes.Add(new SipRouteHeader() { SipUri = route.SipUri, Parameters = route.Parameters });
}
return request;
}