/// <summary>
/// Triggered on receipt of any responses. Updates state of transaction.
/// </summary>
/// <param name="response">The SIP response message.</param>
public override void ReceivedResponse(Message response)
{
if (response.Is1XX())
{
if (State == "trying")
{
State = "proceeding";
App.ReceivedResponse(this, response);
}
else if (State == "proceeding")
{
App.ReceivedResponse(this, response);
}
}
else if (response.IsFinal())
{
if (State == "trying" || State == "proceeding")
{
State = "completed";
App.ReceivedResponse(this, response);
if (!Transport.Reliable)
{
StartTimer("K", Timer.K());
}
else
{
Timeout("K", 0);
}
}
}
}
/// <summary>
/// Triggered on receipt of any responses. Updates state of transaction.
/// </summary>
/// <param name="response">The SIP response message.</param>
public override void ReceivedResponse(Message response)
{
if (response.Is1XX())
{
if (State == "trying")
{
State = "proceeding";
App.ReceivedResponse(this, response);
}
else if (State == "proceeding")
{
App.ReceivedResponse(this, response);
}
}
else if (response.IsFinal())
{
if (State == "trying" || State == "proceeding")
{
State = "completed";
App.ReceivedResponse(this, response);
if (!Transport.Reliable)
{
StartTimer("K", Timer.K());
}
else
{
Timeout("K", 0);
}
}
}
}
/// <summary>
/// Receives the SIP response
/// </summary>
/// <param name="transaction">The transaction.</param>
/// <param name="response">The response.</param>
public override void ReceivedResponse(Transaction transaction, Message response)
{
ProxyBranch branch = GetBranch(transaction);
if (branch == null)
{
Debug.Assert(false, "Invalid transaction received " + transaction);
return;
}
if (response.Is1XX() && branch.CancelRequest != null)
{
Transaction cancel = Transaction.CreateClient(Stack, this, branch.CancelRequest, transaction.Transport,
transaction.Remote);
branch.CancelRequest = null;
}
else
{
if (response.IsFinal())
{
branch.Response = response;
Stack.ReceivedResponse(this, response);
//SendResponseIfPossible();
}
else
{
response.Headers["Via"].RemoveAt(0);
if (response.Headers["Via"].Count <= 0)
{
response.Headers.Remove("Via");
}
SendResponse(response);
Stack.ReceivedResponse(this, response);
}
}
}
/// <summary>
/// Sends a response based on this transaction.
/// </summary>
/// <param name="response">The response.</param>
public override void SendResponse(Message response)
{
LastResponse = response;
if (response.Is1XX())
{
if (State == "proceeding")
{
Stack.Send(response, Remote, Transport);
}
}
else if (response.Is2XX())
{
if (State == "proceeding")
{
State = "terminated";
Stack.Send(response, Remote, Transport);
}
}
else
{
if (State == "proceeding")
{
State = "completed";
if (!Transport.Reliable)
{
StartTimer("G", Timer.G());
}
StartTimer("H", Timer.H());
Stack.Send(response, Remote, Transport);
}
}
}
/// <summary>
/// Triggered on receipt of any responses. Updates state of transaction.
/// </summary>
/// <param name="response">The response.</param>
public override void ReceivedResponse(Message response)
{
if (response.Is1XX())
{
if (State == "calling")
{
State = "proceeding";
App.ReceivedResponse(this, response);
}
else if (State == "proceeding")
{
App.ReceivedResponse(this, response);
}
}
else if (response.Is2XX())
{
if (State == "calling" || State == "proceeding")
{
State = "terminated";
App.ReceivedResponse(this, response);
}
}
else
{
if (State == "calling" || State == "proceeding")
{
State = "completed";
Stack.Send(CreateAck(response), Remote, Transport);
App.ReceivedResponse(this, response);
if (!Transport.Reliable)
{
StartTimer("D", Timer.D());
}
else
{
Timeout("D", 0);
}
}
else if (State == "completed")
{
Stack.Send(CreateAck(response), Remote, Transport);
}
}
}
/// <summary>
/// Triggered on receipt of a SIP response.
/// </summary>
/// <param name="transaction">The transaction.</param>
/// <param name="response">The response.</param>
public override void ReceivedResponse(Transaction transaction, Message response)
{
if (response.Is2XX() && response.Headers.ContainsKey("Contact") && transaction != null &&
transaction.Request.Method == "INVITE")
{
RemoteTarget = new SIPURI(((Address)(Request.First("Contact").Value)).Uri.ToString());
}
if (!response.Is1XX())
{
Clients.RemoveAll(x => x == transaction);
}
if (response.ResponseCode == 408 || response.ResponseCode == 481)
{
Close();
}
if (response.ResponseCode == 401 || response.ResponseCode == 407)
{
if (Authenticate(response, transaction))
{
Stack.ReceivedResponse(this, response);
}
}
else if (transaction != null)
{
Stack.ReceivedResponse(this, response);
}
if (Autoack && response.Is2XX() &&
(transaction != null && transaction.Request.Method == "INVITE" ||
response.First("CSeq").Method == "INVITE"))
{
Message ack = CreateRequest("ACK");
SendRequest(ack);
}
}
/// <summary>
/// Receives the SIP response
/// </summary>
/// <param name="transaction">The transaction.</param>
/// <param name="response">The response.</param>
public override void ReceivedResponse(Transaction transaction, Message response)
{
ProxyBranch branch = GetBranch(transaction);
if (branch == null)
{
Debug.Assert(false, "Invalid transaction received " + transaction);
return;
}
if (response.Is1XX() && branch.CancelRequest != null)
{
Transaction cancel = Transaction.CreateClient(Stack, this, branch.CancelRequest, transaction.Transport,
transaction.Remote);
branch.CancelRequest = null;
}
else
{
if (response.IsFinal())
{
branch.Response = response;
Stack.ReceivedResponse(this, response);
//SendResponseIfPossible();
}
else
{
response.Headers["Via"].RemoveAt(0);
if (response.Headers["Via"].Count <= 0)
{
response.Headers.Remove("Via");
}
SendResponse(response);
Stack.ReceivedResponse(this, response);
}
}
}
/// <summary>
/// Virtual function for receiving a response.
/// </summary>
/// <param name="transaction">The transaction.</param>
/// <param name="response">The response.</param>
public virtual void ReceivedResponse(Transaction transaction, Message response)
{
if ((transaction != null) && transaction != Transaction)
{
Debug.Assert(false, String.Format("Invalid transaction received {0} != {1}", transaction, Transaction));
return;
}
if (response.Headers["Via"].Count > 1)
{
Debug.Assert(false, String.Format("More than one Via header in resposne"));
return;
}
if (response.Is1XX())
{
if (CancelRequest != null)
{
Transaction cancel = Transaction.CreateClient(Stack, this, CancelRequest, transaction.Transport,
transaction.Remote);
CancelRequest = null;
}
else
{
Stack.ReceivedResponse(this, response);
}
}
else if ((response.ResponseCode == 401) || (response.ResponseCode == 407))
{
if (!Authenticate(response, Transaction))
{
Stack.ReceivedResponse(this, response);
}
}
else
{
if (CanCreateDialog(Request, response))
{
Dialog dialog = Dialog.CreateClient(Stack, Request, response, transaction);
dialog.App = this;
Stack.DialogCreated(dialog, this);
Stack.ReceivedResponse(dialog, response);
if ((Autoack) && (Request.Method == "INVITE"))
{
Message ack = dialog.CreateRequest("ACK");
// TODO: Check dialog RouteSet creation (the manual hack below works)
//if (response.Headers.ContainsKey("Record-Route"))
//{
// ack.Headers["Route"] = response.Headers["Record-Route"];
// ack.Headers["Route"].Reverse();
//foreach (Header h in Headers["Route"])
//{
// h.Name = "Route";
//}
//}
dialog.SendRequest(ack);
}
}
else
{
Stack.ReceivedResponse(this, response);
}
}
}
/// <summary>
/// Virtual function for receiving a response.
/// </summary>
/// <param name="transaction">The transaction.</param>
/// <param name="response">The response.</param>
public virtual void ReceivedResponse(Transaction transaction, Message response)
{
if ((transaction != null) && transaction != Transaction)
{
Debug.Assert(false, String.Format("Invalid transaction received {0} != {1}", transaction, Transaction));
return;
}
if (response.Headers["Via"].Count > 1)
{
Debug.Assert(false, String.Format("More than one Via header in resposne"));
return;
}
if (response.Is1XX())
{
if (CancelRequest != null)
{
Transaction cancel = Transaction.CreateClient(Stack, this, CancelRequest, transaction.Transport,
transaction.Remote);
CancelRequest = null;
}
else
{
Stack.ReceivedResponse(this, response);
}
}
else if ((response.ResponseCode == 401) || (response.ResponseCode == 407))
{
if (!Authenticate(response, Transaction))
{
Stack.ReceivedResponse(this, response);
}
}
else
{
if (CanCreateDialog(Request, response))
{
Dialog dialog = Dialog.CreateClient(Stack, Request, response, transaction);
dialog.App = this;
Stack.DialogCreated(dialog, this);
Stack.ReceivedResponse(dialog, response);
if ((Autoack) && (Request.Method == "INVITE"))
{
Message ack = dialog.CreateRequest("ACK");
// TODO: Check dialog RouteSet creation (the manual hack below works)
//if (response.Headers.ContainsKey("Record-Route"))
//{
// ack.Headers["Route"] = response.Headers["Record-Route"];
// ack.Headers["Route"].Reverse();
//foreach (Header h in Headers["Route"])
//{
// h.Name = "Route";
//}
//}
dialog.SendRequest(ack);
}
}
else
{
Stack.ReceivedResponse(this, response);
}
}
}
/// <summary>
/// Sends a response based on this transaction.
/// </summary>
/// <param name="response">The response.</param>
public override void SendResponse(Message response)
{
LastResponse = response;
if (response.Is1XX())
{
if (State == "proceeding")
{
Stack.Send(response, Remote, Transport);
}
}
else if (response.Is2XX())
{
if (State == "proceeding")
{
State = "terminated";
Stack.Send(response, Remote, Transport);
}
}
else
{
if (State == "proceeding")
{
State = "completed";
if (!Transport.Reliable)
{
StartTimer("G", Timer.G());
}
StartTimer("H", Timer.H());
Stack.Send(response, Remote, Transport);
}
}
}
