Exemplo n.º 1
0
            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();
                    }
                }
            }
Exemplo n.º 2
0
            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);
            }
Exemplo n.º 3
0
        /// <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();
                    }
                }
            }
        }