private SipRequest CreateAckRequest()
{
if (State != CompletedState)
{
throw new InvalidOperationException(string.Format("The Tx is unable to create an 'ACK' Request. To be able to create an 'ACK' request, the Tx must be in 'Completed' state. CurrentState:{0}", State.Name));
}
Check.Require(LatestResponse, "LatestResponse");
var requestUri = Request.RequestLine.Uri.Clone();
var callIdheader = (SipCallIdHeader)Request.CallId.Clone();
var cseqHeader = _headerFactory.CreateSCeqHeader(SipMethods.Ack, Request.CSeq.Sequence);
var fromHeader = (SipFromHeader)Request.From.Clone();
var toHeader = (SipToHeader)LatestResponse.To.Clone();
var viaHeader = (SipViaHeader)Request.Vias.GetTopMost().Clone();
var maxForwardsHeader = _headerFactory.CreateMaxForwardsHeader();
var ackRequest = _messageFactory.CreateRequest(
requestUri,
SipMethods.Ack,
callIdheader,
cseqHeader,
fromHeader,
toHeader,
viaHeader,
maxForwardsHeader);
//TODO: not clear from the rfc if the routes have to be copied from request or response
foreach (var route in Request.Routes)
{
ackRequest.Routes.Add((SipRouteHeader)route.Clone());
}
return(ackRequest);
}
protected SipRequest CreateCancelRequest(SipRequest request)
{
var hf = new SipHeaderFactory();
var mf = new SipMessageFactory();
var requestUri = request.RequestLine.Uri.Clone();
var callIdheader = (SipCallIdHeader)request.CallId.Clone();
var cseqHeader = new SipHeaderFactory().CreateSCeqHeader(SipMethods.Cancel, request.CSeq.Sequence);
var fromHeader = (SipFromHeader)request.From.Clone();
var toHeader = (SipToHeader)request.To.Clone();
var viaHeader = (SipViaHeader)request.Vias.GetTopMost().Clone();
var maxForwardsHeader = hf.CreateMaxForwardsHeader();
var cancelRequest = mf.CreateRequest(
requestUri,
SipMethods.Cancel,
callIdheader,
cseqHeader,
fromHeader,
toHeader,
viaHeader,
maxForwardsHeader);
foreach (var route in request.Routes)
{
cancelRequest.Routes.Add((SipRouteHeader)route.Clone());
}
return(cancelRequest);
}
/// <summary>
/// creates a bye. this is to be sent by the testclient UA
/// </summary>
/// <param name="invite"></param>
/// <param name="ringing"></param>
/// <returns></returns>
protected SipRequest CreateByeRequest(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.Bye, localSequenceNr + 1);
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 = new SipViaHeaderBuilder().WithSentBy(_testClientUaEndPoint).Build();
var requestUri = remoteUri.Clone();
var maxForwardsHeader = headerFactory.CreateMaxForwardsHeader();
var request = messageFactory.CreateRequest(
requestUri,
SipMethods.Bye,
callIdheader,
cseqHeader,
fromHeader,
toHeader,
viaHeader,
maxForwardsHeader);
foreach (var route in routeSet)
{
request.Routes.Add(new SipRouteHeader()
{
SipUri = route.SipUri, Parameters = route.Parameters
});
}
return(request);
}
public SipRequest CreateRequest(string method, SipViaHeader viaheader = null)
{
if (State < DialogState.Early)
{
throw new InvalidOperationException("The dialog is unable to create the request. A dialog in 'NULL' state can not create requests.");
}
Check.IsTrue(SipMethods.IsMethod(method), "method argument must be a SIP method");
var cseqHeader = _headerFactory.CreateSCeqHeader(method, _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 = viaheader ?? _headerFactory.CreateViaHeader(_listeningPoint, SipConstants.Udp, SipUtil.CreateBranch());
var requestUri = _remoteUri.Clone();
var maxForwardsHeader = _headerFactory.CreateMaxForwardsHeader();
var request = _messageFactory.CreateRequest(
requestUri,
method,
callIdheader,
cseqHeader,
fromHeader,
toHeader,
viaHeader,
maxForwardsHeader);
foreach (var route in _routeSet)
{
request.Routes.Add(new SipRouteHeader()
{
SipUri = route.SipUri, Parameters = route.Parameters
});
}
return(request);
}
protected SipRequest CreateRequest(string method)
{
/*create the 'INVITE' message*/
SipAddressFactory addressFactory = _stack.CreateAddressFactory();
SipHeaderFactory headerFactory = _stack.CreateHeaderFactory();
SipMessageFactory messageFactory = _stack.CreateMessageFactory();
SipUri senderSipUri = addressFactory.CreateUri(string.Empty, new IPEndPoint(_ipAddress, 12345).ToString());
SipAddress senderSipAddress = addressFactory.CreateAddress(string.Empty, senderSipUri);
SipUri receiverSipUri = addressFactory.CreateUri(string.Empty, new IPEndPoint(_ipAddress, 23456).ToString());
SipAddress receiverSipAddress = addressFactory.CreateAddress(string.Empty, senderSipUri);
SipToHeader toHeader = headerFactory.CreateToHeader(receiverSipAddress);
SipFromHeader fromHeader = headerFactory.CreateFromHeader(senderSipAddress, SipUtil.CreateTag());
SipCSeqHeader cseqHeader = headerFactory.CreateSCeqHeader(method, 1);
SipCallIdHeader callIdheader = headerFactory.CreateCallIdHeader(SipUtil.CreateCallId());
SipViaHeader viaHeader = headerFactory.CreateViaHeader(_ipAddress, 12345, SipConstants.Udp,
SipUtil.CreateBranch());
SipMaxForwardsHeader maxForwardsHeader = headerFactory.CreateMaxForwardsHeader();
SipRequest request = messageFactory.CreateRequest(
receiverSipUri,
method,
callIdheader,
cseqHeader,
fromHeader,
toHeader,
viaHeader,
maxForwardsHeader);
if (method == SipMethods.Invite)
{
SipContactHeader contactHeader = headerFactory.CreateContactHeader(senderSipUri);
request.Contacts.Add(contactHeader);
}
return(request);
}