public void AckRecognitionUnitTest()
{
SIPTransport clientTransport = null;
SIPTransport serverTransport = null;
try
{
SIPTransactionEngine clientEngine = new SIPTransactionEngine(); // Client side of the INVITE.
SIPEndPoint clientEndPoint =
new SIPEndPoint(SIPProtocolsEnum.udp, new IPEndPoint(IPAddress.Loopback, 12013));
clientTransport =
new SIPTransport(MockSIPDNSManager.Resolve, clientEngine, new SIPUDPChannel(clientEndPoint.GetIPEndPoint()), false);
SetTransportTraceEvents(clientTransport);
SIPTransactionEngine serverEngine = new SIPTransactionEngine(); // Server side of the INVITE.
UASInviteTransaction serverTransaction = null;
SIPEndPoint serverEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 12014));
serverTransport =
new SIPTransport(MockSIPDNSManager.Resolve, serverEngine, new SIPUDPChannel(serverEndPoint.GetIPEndPoint()), false);
SetTransportTraceEvents(serverTransport);
serverTransport.SIPTransportRequestReceived += (localEndPoint, remoteEndPoint, sipRequest) =>
{
Console.WriteLine("Server Transport Request In: " + sipRequest.Method + ".");
serverTransaction =
serverTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localEndPoint, null);
SetTransactionTraceEvents(serverTransaction);
serverTransaction.GotRequest(localEndPoint, remoteEndPoint, sipRequest);
};
SIPURI dummyURI = SIPURI.ParseSIPURI("sip:dummy@" + serverEndPoint);
SIPRequest inviteRequest = GetDummyINVITERequest(dummyURI);
inviteRequest.LocalSIPEndPoint = clientTransport.GetDefaultTransportContact(SIPProtocolsEnum.udp);
// Send the invite to the server side.
UACInviteTransaction clientTransaction =
new UACInviteTransaction(clientTransport, inviteRequest, serverEndPoint, clientEndPoint, null);
SetTransactionTraceEvents(clientTransaction);
clientEngine.AddTransaction(clientTransaction);
clientTransaction.SendInviteRequest(serverEndPoint, inviteRequest);
Thread.Sleep(500);
Assert.IsTrue(clientTransaction.TransactionState == SIPTransactionStatesEnum.Completed, "Client transaction in incorrect state.");
Assert.IsTrue(serverTransaction.TransactionState == SIPTransactionStatesEnum.Confirmed, "Server transaction in incorrect state.");
}
finally
{
if (clientTransport != null)
{
clientTransport.Shutdown();
}
if (serverTransport != null)
{
serverTransport.Shutdown();
}
}
}
internal SIPCancelTransaction(SIPTransport sipTransport, SIPRequest sipRequest, SIPEndPoint dstEndPoint, SIPEndPoint localSIPEndPoint, UASInviteTransaction originalTransaction)
: base(sipTransport, sipRequest, dstEndPoint, localSIPEndPoint, originalTransaction.OutboundProxy)
{
m_originalTransaction = originalTransaction;
TransactionType = SIPTransactionTypesEnum.NonInvite;
TransactionRequestReceived += SIPCancelTransaction_TransactionRequestReceived;
TransactionFinalResponseReceived += SIPCancelTransaction_TransactionFinalResponseReceived;
TransactionRemoved += SIPCancelTransaction_TransactionRemoved;
}
/// <summary>
/// This constructor is used by server user agents or SIP elements acting in a server user agent role. When
/// acting as a server user agent the local fields are contained in the To header and the remote fields are
/// in the From header.
/// </summary>
public SIPDialogue(
UASInviteTransaction uasInviteTransaction,
string owner,
string adminMemberId)
{
Id = Guid.NewGuid();
CallId = uasInviteTransaction.TransactionRequest.Header.CallId;
RouteSet =
(uasInviteTransaction.TransactionFinalResponse != null &&
uasInviteTransaction.TransactionFinalResponse.Header.RecordRoutes != null)
? uasInviteTransaction.TransactionFinalResponse.Header.RecordRoutes.Reversed()
: null;
LocalUserField = uasInviteTransaction.TransactionFinalResponse.Header.To.ToUserField;
LocalTag = uasInviteTransaction.TransactionFinalResponse.Header.To.ToTag;
RemoteUserField = uasInviteTransaction.TransactionFinalResponse.Header.From.FromUserField;
RemoteTag = uasInviteTransaction.TransactionFinalResponse.Header.From.FromTag;
CSeq = uasInviteTransaction.TransactionRequest.Header.CSeq;
CDRId = uasInviteTransaction.CDR.CDRId;
Owner = owner;
AdminMemberId = adminMemberId;
ContentType = uasInviteTransaction.TransactionFinalResponse.Header.ContentType;
SDP = uasInviteTransaction.TransactionFinalResponse.Body;
RemoteSDP = uasInviteTransaction.TransactionRequest.Body;
Inserted = DateTimeOffset.UtcNow;
Direction = SIPCallDirection.In;
//DialogueId = GetDialogueId(CallId, LocalTag, RemoteTag);
RemoteTarget = new SIPURI(uasInviteTransaction.TransactionRequest.URI.Scheme,
SIPEndPoint.ParseSIPEndPoint(uasInviteTransaction.RemoteEndPoint.ToString()));
ProxySendFrom = uasInviteTransaction.TransactionRequest.Header.ProxyReceivedOn;
if (uasInviteTransaction.TransactionRequest.Header.Contact != null &&
uasInviteTransaction.TransactionRequest.Header.Contact.Count > 0)
{
RemoteTarget = uasInviteTransaction.TransactionRequest.Header.Contact[0].ContactURI.CopyOf();
if (!uasInviteTransaction.TransactionRequest.Header.ProxyReceivedFrom.IsNullOrBlank())
{
// Setting the Proxy-ReceivedOn header is how an upstream proxy will let an agent know it should mangle the contact.
// Don't mangle private contacts if there is a Record-Route header. If a proxy is putting private IP's in a Record-Route header that's its problem.
if (RouteSet == null && IPSocket.IsPrivateAddress(RemoteTarget.Host))
{
SIPEndPoint remoteUASSIPEndPoint =
SIPEndPoint.ParseSIPEndPoint(uasInviteTransaction.TransactionRequest.Header
.ProxyReceivedFrom);
RemoteTarget.Host = remoteUASSIPEndPoint.GetIPEndPoint().ToString();
}
}
}
}
public void AckRecognitionIIUnitTest()
{
SIPTransactionEngine engine = new SIPTransactionEngine(); // Client side of the INVITE.
string inviteRequestStr =
"INVITE sip:[email protected] SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.1.2:5065;rport;branch=z9hG4bKFBB7EAC06934405182D13950BD51F001" + m_CRLF +
"From: SER Test X <sip:[email protected]:5065>;tag=196468136" + m_CRLF +
"To: <sip:[email protected]>" + m_CRLF +
"Contact: <sip:[email protected]:5065>" + m_CRLF +
"Call-ID: [email protected]" + m_CRLF +
"CSeq: 49429 INVITE" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
"User-Agent: Dummy" + m_CRLF +
m_CRLF;
SIPRequest inviteRequest = SIPRequest.ParseSIPRequest(inviteRequestStr);
// Server has received the invite.
SIPEndPoint dummySIPEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 1234));
UASInviteTransaction serverTransaction =
new UASInviteTransaction(new SIPTransport(MockSIPDNSManager.Resolve, null), inviteRequest, dummySIPEndPoint, dummySIPEndPoint, null);
engine.AddTransaction(serverTransaction);
//SIPResponse errorResponse = SIPTransport.GetResponse(inviteRequest.Header, SIPResponseStatusCodesEnum.Decline, "Unit Test", null, null);
string ackRequestStr =
"ACK sip:[email protected] SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.1.2:5065;rport;branch=z9hG4bKFBB7EAC06934405182D13950BD51F001" + m_CRLF +
"From: SER Test X <sip:[email protected]:5065>;tag=196468136" + m_CRLF +
"To: <sip:[email protected]>" + m_CRLF +
"Contact: <sip:[email protected]:5065>" + m_CRLF +
"Call-ID: [email protected]" + m_CRLF +
"CSeq: 49429 ACK" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"User-Agent: Dummy" + m_CRLF +
m_CRLF;
SIPRequest ackRequest = SIPRequest.ParseSIPRequest(ackRequestStr);
SIPTransaction matchingTransaction = engine.GetTransaction(ackRequest);
Assert.IsTrue(matchingTransaction.TransactionId == serverTransaction.TransactionId, "ACK transaction did not match INVITE transaction.");
}