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();
}
}
}
public void DuplicateTransactionUnitTest()
{
SIPTransactionEngine clientEngine = new SIPTransactionEngine();
SIPURI dummyURI = SIPURI.ParseSIPURI("sip:[email protected]");
SIPRequest inviteRequest = GetDummyINVITERequest(dummyURI);
SIPEndPoint dummySIPEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 1234));
UACInviteTransaction clientTransaction = new UACInviteTransaction(new SIPTransport(MockSIPDNSManager.Resolve, null), inviteRequest, dummySIPEndPoint, dummySIPEndPoint, null);
clientEngine.AddTransaction(clientTransaction);
clientEngine.AddTransaction(clientTransaction);
}
/// <summary>
/// This constructor is used by client user agents or SIP elements acting in a client user agent role. When
/// acting as a client user agent the local fields are contained in the From header and the remote fields are
/// in the To header.
/// </summary>
public SIPDialogue(
UACInviteTransaction uacInviteTransaction,
string owner,
string adminMemberId)
{
Id = Guid.NewGuid();
CallId = uacInviteTransaction.TransactionRequest.Header.CallId;
RouteSet =
(uacInviteTransaction.TransactionFinalResponse != null &&
uacInviteTransaction.TransactionFinalResponse.Header.RecordRoutes != null)
? uacInviteTransaction.TransactionFinalResponse.Header.RecordRoutes.Reversed()
: null;
LocalUserField = uacInviteTransaction.TransactionFinalResponse.Header.From.FromUserField;
LocalTag = uacInviteTransaction.TransactionFinalResponse.Header.From.FromTag;
RemoteUserField = uacInviteTransaction.TransactionFinalResponse.Header.To.ToUserField;
RemoteTag = uacInviteTransaction.TransactionFinalResponse.Header.To.ToTag;
CSeq = uacInviteTransaction.TransactionRequest.Header.CSeq;
CDRId = uacInviteTransaction.CDR.CDRId;
Owner = owner;
AdminMemberId = adminMemberId;
ContentType = uacInviteTransaction.TransactionRequest.Header.ContentType;
SDP = uacInviteTransaction.TransactionRequest.Body;
RemoteSDP = uacInviteTransaction.TransactionFinalResponse.Body;
Inserted = DateTimeOffset.UtcNow;
Direction = SIPCallDirection.Out;
// Set the dialogue remote target and take care of mangling if an upstream proxy has indicated it's required.
RemoteTarget = new SIPURI(uacInviteTransaction.TransactionRequest.URI.Scheme,
SIPEndPoint.ParseSIPEndPoint(uacInviteTransaction.RemoteEndPoint.ToString()));
ProxySendFrom = uacInviteTransaction.TransactionFinalResponse.Header.ProxyReceivedOn;
if (uacInviteTransaction.TransactionFinalResponse.Header.Contact != null &&
uacInviteTransaction.TransactionFinalResponse.Header.Contact.Count > 0)
{
RemoteTarget = uacInviteTransaction.TransactionFinalResponse.Header.Contact[0].ContactURI.CopyOf();
if (!uacInviteTransaction.TransactionFinalResponse.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(uacInviteTransaction.TransactionFinalResponse.Header
.ProxyReceivedFrom);
RemoteTarget.Host = remoteUASSIPEndPoint.GetIPEndPoint().ToString();
}
}
}
}
public void MatchOnRequestAndResponseTest()
{
SIPTransactionEngine transactionEngine = new SIPTransactionEngine();
SIPEndPoint dummySIPEndPoint = new SIPEndPoint(new IPEndPoint(IPAddress.Loopback, 1234));
SIPRequest inviteRequest =
SIPRequest.ParseSIPRequest("INVITE sip:dummy@udp:127.0.0.1:12014 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27" + m_CRLF +
"To: <sip:dummy@udp:127.0.0.1:12014>" + m_CRLF +
"From: <sip:[email protected]>;tag=2062917371" + m_CRLF +
"Call-ID: 8ae45c15425040179a4285d774ccbaf6" + m_CRLF +
"CSeq: 1 INVITE" + m_CRLF +
"Contact: <sip:127.0.0.1:1234>" + m_CRLF +
"Max-Forwards: 70" + m_CRLF +
"User-Agent: unittest" + m_CRLF +
"Content-Length: 5" + m_CRLF +
"Content-Type: application/sdp" + m_CRLF +
m_CRLF +
"dummy");
SIPTransaction transaction =
new UACInviteTransaction(new SIPTransport(MockSIPDNSManager.Resolve, null), inviteRequest, dummySIPEndPoint, dummySIPEndPoint, null);
transactionEngine.AddTransaction(transaction);
SIPResponse sipResponse = SIPResponse.ParseSIPResponse("SIP/2.0 603 Nothing listening" + m_CRLF +
"Via: SIP/2.0/UDP 127.0.0.1:1234;branch=z9hG4bK5f37455955ca433a902f8fea0ce2dc27;rport=12013" + m_CRLF +
"To: <sip:dummy@udp:127.0.0.1:12014>" + m_CRLF +
"From: <sip:[email protected]>;tag=2062917371" + m_CRLF +
"Call-ID: 8ae45c15425040179a4285d774ccbaf6" + m_CRLF +
"CSeq: 1 INVITE" + m_CRLF +
"Content-Length: 0" + m_CRLF +
m_CRLF);
Assert.IsNotNull(transactionEngine.GetTransaction(sipResponse), "Transaction should have matched, check the hashing mechanism.");
}
