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 GotRequest(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPRequest sipRequest) { try { // Used in the proxy monitor messages only, plays no part in request routing. string fromUser = (sipRequest.Header.From != null) ? sipRequest.Header.From.FromURI.User : null; string fromURIStr = (sipRequest.Header.From != null) ? sipRequest.Header.From.FromURI.ToString() : "null"; //string toUser = (sipRequest.Header.To != null) ? sipRequest.Header.To.ToURI.User : null; //string summaryStr = "req " + sipRequest.Method + " from=" + fromUser + ", to=" + toUser + ", " + remoteEndPoint.ToString(); //logger.Debug("AppServerCore GotRequest " + sipRequest.Method + " from " + remoteEndPoint.ToString() + " callid=" + sipRequest.Header.CallId + "."); SIPDialogue dialogue = null; // Check dialogue requests for an existing dialogue. if ((sipRequest.Method == SIPMethodsEnum.BYE || sipRequest.Method == SIPMethodsEnum.INFO || sipRequest.Method == SIPMethodsEnum.INVITE || sipRequest.Method == SIPMethodsEnum.MESSAGE || sipRequest.Method == SIPMethodsEnum.NOTIFY || sipRequest.Method == SIPMethodsEnum.OPTIONS || sipRequest.Method == SIPMethodsEnum.REFER) && sipRequest.Header.From != null && sipRequest.Header.From.FromTag != null && sipRequest.Header.To != null && sipRequest.Header.To.ToTag != null) { dialogue = m_sipDialogueManager.GetDialogue(sipRequest); } if (dialogue != null && sipRequest.Method != SIPMethodsEnum.ACK) { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Matching dialogue found for " + sipRequest.Method + " to " + sipRequest.URI.ToString() + " from " + remoteEndPoint + ".", dialogue.Owner)); if (sipRequest.Method != SIPMethodsEnum.REFER) { m_sipDialogueManager.ProcessInDialogueRequest(localSIPEndPoint, remoteEndPoint, sipRequest, dialogue); } else { m_sipDialogueManager.ProcessInDialogueReferRequest(localSIPEndPoint, remoteEndPoint, sipRequest, dialogue, m_callManager.BlindTransfer); } } else if (sipRequest.Method == SIPMethodsEnum.CANCEL) { #region CANCEL request handling. UASInviteTransaction inviteTransaction = (UASInviteTransaction)m_sipTransport.GetTransaction(SIPTransaction.GetRequestTransactionId(sipRequest.Header.Vias.TopViaHeader.Branch, SIPMethodsEnum.INVITE)); if (inviteTransaction != null) { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Cancelling call for " + sipRequest.URI.ToString() + ".", fromUser)); SIPCancelTransaction cancelTransaction = m_sipTransport.CreateCancelTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, inviteTransaction); cancelTransaction.GotRequest(localSIPEndPoint, remoteEndPoint, sipRequest); } else { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "No matching transaction was found for CANCEL to " + sipRequest.URI.ToString() + ".", fromUser)); SIPResponse noCallLegResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.CallLegTransactionDoesNotExist, null); m_sipTransport.SendResponse(noCallLegResponse); } #endregion } else if (sipRequest.Method == SIPMethodsEnum.BYE) { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "No dialogue matched for BYE to " + sipRequest.URI.ToString() + ".", fromUser)); SIPResponse noCallLegResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.CallLegTransactionDoesNotExist, null); m_sipTransport.SendResponse(noCallLegResponse); } else if (sipRequest.Method == SIPMethodsEnum.REFER) { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "No dialogue matched for REFER to " + sipRequest.URI.ToString() + ".", fromUser)); SIPResponse noCallLegResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.CallLegTransactionDoesNotExist, null); m_sipTransport.SendResponse(noCallLegResponse); } else if (sipRequest.Method == SIPMethodsEnum.ACK) { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "No transaction matched for ACK for " + sipRequest.URI.ToString() + ".", fromUser)); } else if (sipRequest.Method == SIPMethodsEnum.INVITE) { #region INVITE request processing. FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "AppServerCore INVITE received, uri=" + sipRequest.URI.ToString() + ", cseq=" + sipRequest.Header.CSeq + ".", null)); if (sipRequest.URI.User == m_dispatcherUsername) { // Incoming call from monitoring process checking the application server is still running. UASInviteTransaction uasTransaction = m_sipTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, m_outboundProxy, true); //uasTransaction.CDR = null; SIPServerUserAgent incomingCall = new SIPServerUserAgent(m_sipTransport, m_outboundProxy, sipRequest.URI.User, sipRequest.URI.Host, SIPCallDirection.In, null, null, null, uasTransaction); //incomingCall.NoCDR(); uasTransaction.NewCallReceived += (local, remote, transaction, request) => { m_callManager.QueueNewCall(incomingCall); }; uasTransaction.GotRequest(localSIPEndPoint, remoteEndPoint, sipRequest); } else if (GetCanonicalDomain_External(sipRequest.Header.From.FromUserField.URI.Host, false) != null) { // Call identified as outgoing call for application server serviced domain. string fromDomain = GetCanonicalDomain_External(sipRequest.Header.From.FromUserField.URI.Host, false); UASInviteTransaction uasTransaction = m_sipTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, m_outboundProxy); SIPServerUserAgent outgoingCall = new SIPServerUserAgent(m_sipTransport, m_outboundProxy, fromUser, fromDomain, SIPCallDirection.Out, GetSIPAccount_External, SIPRequestAuthenticator.AuthenticateSIPRequest, FireProxyLogEvent, uasTransaction); uasTransaction.NewCallReceived += (local, remote, transaction, request) => { m_callManager.QueueNewCall(outgoingCall); }; uasTransaction.GotRequest(localSIPEndPoint, remoteEndPoint, sipRequest); } else if (GetCanonicalDomain_External(sipRequest.URI.Host, true) != null) { // Call identified as incoming call for application server serviced domain. if (sipRequest.URI.User.IsNullOrBlank()) { // Cannot process incoming call if no user is specified. FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "INVITE received with an empty URI user " + sipRequest.URI.ToString() + ", returning address incomplete.", null)); UASInviteTransaction uasTransaction = m_sipTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, m_outboundProxy); SIPResponse addressIncompleteResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.AddressIncomplete, "No user specified"); uasTransaction.SendFinalResponse(addressIncompleteResponse); } else { // Send the incoming call to the call manager for processing. string uriUser = sipRequest.URI.User; string uriDomain = GetCanonicalDomain_External(sipRequest.URI.Host, true); UASInviteTransaction uasTransaction = m_sipTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, m_outboundProxy); SIPServerUserAgent incomingCall = new SIPServerUserAgent(m_sipTransport, m_outboundProxy, uriUser, uriDomain, SIPCallDirection.In, GetSIPAccount_External, null, FireProxyLogEvent, uasTransaction); uasTransaction.NewCallReceived += (local, remote, transaction, request) => { m_callManager.QueueNewCall(incomingCall); }; uasTransaction.GotRequest(localSIPEndPoint, remoteEndPoint, sipRequest); } } else { // Return not found for non-serviced domain. FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Domain not serviced " + sipRequest.URI.ToString() + ", returning not found.", null)); UASInviteTransaction uasTransaction = m_sipTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, m_outboundProxy); SIPResponse notServicedResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.NotFound, "Domain not serviced"); uasTransaction.SendFinalResponse(notServicedResponse); } #endregion } else if (sipRequest.Method == SIPMethodsEnum.MESSAGE) { #region Processing non-INVITE requests that are accepted by the dialplan processing engine. if (GetCanonicalDomain_External(sipRequest.Header.From.FromUserField.URI.Host, false) != null) { // Call identified as outgoing request for application server serviced domain. string fromDomain = GetCanonicalDomain_External(sipRequest.Header.From.FromUserField.URI.Host, false); SIPNonInviteTransaction nonInviteTransaction = m_sipTransport.CreateNonInviteTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, m_outboundProxy); SIPNonInviteServerUserAgent outgoingRequest = new SIPNonInviteServerUserAgent(m_sipTransport, m_outboundProxy, fromUser, fromDomain, SIPCallDirection.Out, GetSIPAccount_External, SIPRequestAuthenticator.AuthenticateSIPRequest, FireProxyLogEvent, nonInviteTransaction); nonInviteTransaction.NonInviteRequestReceived += (local, remote, transaction, request) => { m_callManager.QueueNewCall(outgoingRequest); }; nonInviteTransaction.GotRequest(localSIPEndPoint, remoteEndPoint, sipRequest); } else if (GetCanonicalDomain_External(sipRequest.URI.Host, true) != null) { // Call identified as incoming call for application server serviced domain. if (sipRequest.URI.User.IsNullOrBlank()) { // Cannot process incoming call if no user is specified. FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, sipRequest.Method + " request received with an empty URI user " + sipRequest.URI.ToString() + ", returning address incomplete.", null)); SIPResponse addressIncompleteResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.AddressIncomplete, "No user specified"); m_sipTransport.SendResponse(addressIncompleteResponse); } else { // Send the incoming call to the call manager for processing. string uriUser = sipRequest.URI.User; string uriDomain = GetCanonicalDomain_External(sipRequest.URI.Host, true); SIPNonInviteTransaction nonInviteTransaction = m_sipTransport.CreateNonInviteTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, m_outboundProxy); SIPNonInviteServerUserAgent incomingRequest = new SIPNonInviteServerUserAgent(m_sipTransport, m_outboundProxy, uriUser, uriDomain, SIPCallDirection.In, GetSIPAccount_External, null, FireProxyLogEvent, nonInviteTransaction); nonInviteTransaction.NonInviteRequestReceived += (local, remote, transaction, request) => { m_callManager.QueueNewCall(incomingRequest); }; nonInviteTransaction.GotRequest(localSIPEndPoint, remoteEndPoint, sipRequest); } } else { // Return not found for non-serviced domain. FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Domain not serviced " + sipRequest.URI.ToString() + ", returning not found.", null)); SIPResponse notServicedResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.NotFound, "Domain not serviced"); m_sipTransport.SendResponse(notServicedResponse); } #endregion } else { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.UnrecognisedMessage, "MethodNotAllowed response for " + sipRequest.Method + " from " + fromUser + " socket " + remoteEndPoint.ToString() + ".", null)); SIPResponse notAllowedResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.MethodNotAllowed, null); m_sipTransport.SendResponse(notAllowedResponse); } } catch (Exception excp) { string reqExcpError = "Exception SIPAppServerCore GotRequest (" + remoteEndPoint + "). " + excp.Message; logger.Error(reqExcpError); SIPMonitorEvent reqExcpEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.Error, reqExcpError, sipRequest, null, localSIPEndPoint, remoteEndPoint, SIPCallDirection.In); FireProxyLogEvent(reqExcpEvent); throw excp; } }
public void AckRecognitionUnitTest() { logger.LogDebug("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name); logger.BeginScope(System.Reflection.MethodBase.GetCurrentMethod().Name); SIPTransport clientTransport = null; SIPTransport serverTransport = null; try { TaskCompletionSource <bool> uasConfirmedTask = new TaskCompletionSource <bool>(TaskCreationOptions.RunContinuationsAsynchronously); // Client side of the call. clientTransport = new SIPTransport(); clientTransport.AddSIPChannel(new SIPUDPChannel(new IPEndPoint(IPAddress.Loopback, 0))); var clientEngine = clientTransport.m_transactionEngine; SetTransportTraceEvents(clientTransport); // Server side of the call. UASInviteTransaction serverTransaction = null; serverTransport = new SIPTransport(); serverTransport.AddSIPChannel(new SIPUDPChannel(new IPEndPoint(IPAddress.Loopback, 0))); SIPTransactionEngine serverEngine = serverTransport.m_transactionEngine; SetTransportTraceEvents(serverTransport); serverTransport.SIPTransportRequestReceived += (localEndPoint, remoteEndPoint, sipRequest) => { logger.LogDebug("Server Transport Request In: " + sipRequest.Method + "."); serverTransaction = new UASInviteTransaction(serverTransport, sipRequest, null); SetTransactionTraceEvents(serverTransaction); serverTransaction.NewCallReceived += (lep, rep, sipTransaction, newCallRequest) => { logger.LogDebug("Server new call received."); var busyResponse = SIPResponse.GetResponse(newCallRequest, SIPResponseStatusCodesEnum.BusyHere, null); (sipTransaction as UASInviteTransaction).SendFinalResponse(busyResponse); return(Task.FromResult(SocketError.Success)); }; serverTransaction.TransactionStateChanged += (tx) => { if (tx.TransactionState == SIPTransactionStatesEnum.Confirmed) { if (!uasConfirmedTask.TrySetResult(true)) { logger.LogWarning($"AckRecognitionUnitTest: FAILED to set result on CompletionSource."); } } }; serverTransaction.GotRequest(localEndPoint, remoteEndPoint, sipRequest); return(Task.FromResult(0)); }; SIPURI dummyURI = new SIPURI("dummy", serverTransport.GetSIPChannels().First().ListeningEndPoint.ToString(), null, SIPSchemesEnum.sip); SIPRequest inviteRequest = GetDummyINVITERequest(dummyURI); // Send the invite to the server side. UACInviteTransaction clientTransaction = new UACInviteTransaction(clientTransport, inviteRequest, null); SetTransactionTraceEvents(clientTransaction); clientEngine.AddTransaction(clientTransaction); clientTransaction.SendInviteRequest(); if (!uasConfirmedTask.Task.Wait(TRANSACTION_EXCHANGE_TIMEOUT_MS)) { logger.LogWarning($"Tasks timed out"); } Assert.True(clientTransaction.TransactionState == SIPTransactionStatesEnum.Confirmed, "Client transaction in incorrect state."); Assert.True(serverTransaction.TransactionState == SIPTransactionStatesEnum.Confirmed, "Server transaction in incorrect state."); } finally { clientTransport.Shutdown(); serverTransport.Shutdown(); } }