예제 #1
0
        private static void SIPTransportRequestReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPRequest sipRequest)
        {
            if (sipRequest.Method == SIPMethodsEnum.BYE)
            {
                var rtpJob = (from job in m_rtpJobs.Values where job.UAS.CallRequest.Header.CallId == sipRequest.Header.CallId select job).FirstOrDefault();

                if (rtpJob != null)
                {
                    rtpJob.Stop();
                    // Call has been hungup by remote end.
                    Console.WriteLine("Call hungup by client: " + localSIPEndPoint + "<-" + remoteEndPoint + " " + sipRequest.URI.ToString() + ".\n");
                    Publish(rtpJob.QueueName, "BYE request received from " + remoteEndPoint + " for " + sipRequest.URI.ToString() + ".");
                    //Console.WriteLine("Request Received " + localSIPEndPoint + "<-" + remoteEndPoint + "\n" + sipRequest.ToString());
                    //m_uas.SIPDialogue.Hangup(m_sipTransport, null);
                    SIPResponse okResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.Ok, null);
                    m_sipTransport.SendResponse(okResponse);
                }
                else
                {
                    Console.WriteLine("Unmatched BYE request received for " + sipRequest.URI.ToString() + ".\n");
                    SIPResponse noCallLegResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.CallLegTransactionDoesNotExist, null);
                    m_sipTransport.SendResponse(noCallLegResponse);
                }
            }
            else if (sipRequest.Method == SIPMethodsEnum.INVITE)
            {
                Console.WriteLine("Incoming call request: " + localSIPEndPoint + "<-" + remoteEndPoint + " " + sipRequest.URI.ToString() + ".\n");
                Publish(sipRequest.URI.User, "INVITE request received from " + remoteEndPoint + " for " + sipRequest.URI.ToString() + ".");

                Console.WriteLine(sipRequest.Body);

                SIPPacketMangler.MangleSIPRequest(SIPMonitorServerTypesEnum.Unknown, sipRequest, null, LogTraceMessage);

                UASInviteTransaction uasTransaction = m_sipTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, null);
                var uas = new SIPServerUserAgent(m_sipTransport, null, null, null, SIPCallDirection.In, null, null, LogTraceMessage, uasTransaction);
                uas.CallCancelled += UASCallCancelled;

                RTPDiagnosticsJob rtpJob = new RTPDiagnosticsJob(m_rtpListenIPAddress, m_publicIPAddress, uas, sipRequest);

                string sdpAddress = SDP.GetSDPRTPEndPoint(sipRequest.Body).Address.ToString();

                // Only mangle if there is something to change. For example the server could be on the same private subnet in which case it can't help.
                IPEndPoint expectedRTPEndPoint = new IPEndPoint(rtpJob.RemoteRTPEndPoint.Address, rtpJob.RemoteRTPEndPoint.Port);
                if (IPSocket.IsPrivateAddress(rtpJob.RemoteRTPEndPoint.Address.ToString()))
                {
                    expectedRTPEndPoint.Address = remoteEndPoint.Address;
                }

                Publish(sipRequest.URI.User, "Advertised RTP remote socket " + rtpJob.RemoteRTPEndPoint + ", expecting from " + expectedRTPEndPoint + ".");
                m_rtpJobs.Add(rtpJob.RTPListenEndPoint.Port, rtpJob);

                //ThreadPool.QueueUserWorkItem(delegate { StartRTPListener(rtpJob); });

                Console.WriteLine(rtpJob.LocalSDP.ToString());

                uas.Answer("application/sdp", rtpJob.LocalSDP.ToString(), CallProperties.CreateNewTag(), null, SIPDialogueTransferModesEnum.NotAllowed);

                var hangupTimer = new Timer(delegate
                {
                    if (!rtpJob.StopJob)
                    {
                        if (uas != null && uas.SIPDialogue != null)
                        {
                            if(rtpJob.RTPPacketReceived && !rtpJob.ErrorOnRTPSend)
                            {
                                Publish(sipRequest.URI.User, "Test completed. There were no RTP send or receive errors.");
                            }
                            else if (!rtpJob.RTPPacketReceived)
                            {
                                Publish(sipRequest.URI.User, "Test completed. An error was identified, no RTP packets were received.");
                            }
                            else
                            {
                                Publish(sipRequest.URI.User, "Test completed. An error was identified, there was a problem when attempting to send an RTP packet.");
                            }
                            rtpJob.Stop();
                            uas.SIPDialogue.Hangup(m_sipTransport, null);
                        }
                    }
                }, null, HANGUP_TIMEOUT, Timeout.Infinite);
            }
            else if (sipRequest.Method == SIPMethodsEnum.CANCEL)
            {
                UASInviteTransaction inviteTransaction = (UASInviteTransaction)m_sipTransport.GetTransaction(SIPTransaction.GetRequestTransactionId(sipRequest.Header.Vias.TopViaHeader.Branch, SIPMethodsEnum.INVITE));

                if (inviteTransaction != null)
                {
                    Console.WriteLine("Matching CANCEL request received " + sipRequest.URI.ToString() + ".\n");
                    Publish(sipRequest.URI.User, "CANCEL request received from " + remoteEndPoint + " for " + sipRequest.URI.ToString() + ".");
                    SIPCancelTransaction cancelTransaction = m_sipTransport.CreateCancelTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, inviteTransaction);
                    cancelTransaction.GotRequest(localSIPEndPoint, remoteEndPoint, sipRequest);
                }
                else
                {
                    Console.WriteLine("No matching transaction was found for CANCEL to " + sipRequest.URI.ToString() + ".\n");
                    SIPResponse noCallLegResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.CallLegTransactionDoesNotExist, null);
                    m_sipTransport.SendResponse(noCallLegResponse);
                }
            }
            else
            {
                Console.WriteLine("SIP " + sipRequest.Method + " request received but no processing has been set up for it, rejecting.\n");
                Publish(sipRequest.URI.User, sipRequest.Method + " request received from " + remoteEndPoint + " for " + sipRequest.URI.ToString() + ".");
                SIPResponse notAllowedResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.MethodNotAllowed, null);
                m_sipTransport.SendResponse(notAllowedResponse);
            }
        }
예제 #2
0
파일: Program.cs 프로젝트: xycui/sipsorcery
        private static void SIPTransportRequestReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPRequest sipRequest)
        {
            if (sipRequest.Method == SIPMethodsEnum.BYE)
            {
                var rtpJob = (from job in m_rtpJobs.Values where job.UAS.CallRequest.Header.CallId == sipRequest.Header.CallId select job).FirstOrDefault();

                if (rtpJob != null)
                {
                    rtpJob.Stop();
                    // Call has been hungup by remote end.
                    Console.WriteLine("Call hungup by client: " + localSIPEndPoint + "<-" + remoteEndPoint + " " + sipRequest.URI.ToString() + ".\n");
                    Publish(rtpJob.QueueName, "BYE request received from " + remoteEndPoint + " for " + sipRequest.URI.ToString() + ".");
                    //Console.WriteLine("Request Received " + localSIPEndPoint + "<-" + remoteEndPoint + "\n" + sipRequest.ToString());
                    //m_uas.SIPDialogue.Hangup(m_sipTransport, null);
                    SIPResponse okResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.Ok, null);
                    m_sipTransport.SendResponse(okResponse);
                }
                else
                {
                    Console.WriteLine("Unmatched BYE request received for " + sipRequest.URI.ToString() + ".\n");
                    SIPResponse noCallLegResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.CallLegTransactionDoesNotExist, null);
                    m_sipTransport.SendResponse(noCallLegResponse);
                }
            }
            else if (sipRequest.Method == SIPMethodsEnum.INVITE)
            {
                Console.WriteLine("Incoming call request: " + localSIPEndPoint + "<-" + remoteEndPoint + " " + sipRequest.URI.ToString() + ".\n");
                Publish(sipRequest.URI.User, "INVITE request received from " + remoteEndPoint + " for " + sipRequest.URI.ToString() + ".");

                Console.WriteLine(sipRequest.Body);

                SIPPacketMangler.MangleSIPRequest(SIPMonitorServerTypesEnum.Unknown, sipRequest, null, LogTraceMessage);

                UASInviteTransaction uasTransaction = m_sipTransport.CreateUASTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, null);
                var uas = new SIPServerUserAgent(m_sipTransport, null, null, null, SIPCallDirection.In, null, null, LogTraceMessage, uasTransaction);
                uas.CallCancelled += UASCallCancelled;

                RTPDiagnosticsJob rtpJob = new RTPDiagnosticsJob(m_rtpListenIPAddress, m_publicIPAddress, uas, sipRequest);

                string sdpAddress = SDP.GetSDPRTPEndPoint(sipRequest.Body).Address.ToString();

                // Only mangle if there is something to change. For example the server could be on the same private subnet in which case it can't help.
                IPEndPoint expectedRTPEndPoint = new IPEndPoint(rtpJob.RemoteRTPEndPoint.Address, rtpJob.RemoteRTPEndPoint.Port);
                if (IPSocket.IsPrivateAddress(rtpJob.RemoteRTPEndPoint.Address.ToString()))
                {
                    expectedRTPEndPoint.Address = remoteEndPoint.Address;
                }

                Publish(sipRequest.URI.User, "Advertised RTP remote socket " + rtpJob.RemoteRTPEndPoint + ", expecting from " + expectedRTPEndPoint + ".");
                m_rtpJobs.Add(rtpJob.RTPListenEndPoint.Port, rtpJob);

                //ThreadPool.QueueUserWorkItem(delegate { StartRTPListener(rtpJob); });

                Console.WriteLine(rtpJob.LocalSDP.ToString());

                uas.Answer("application/sdp", rtpJob.LocalSDP.ToString(), CallProperties.CreateNewTag(), null, SIPDialogueTransferModesEnum.NotAllowed);

                var hangupTimer = new Timer(delegate
                {
                    if (!rtpJob.StopJob)
                    {
                        if (uas != null && uas.SIPDialogue != null)
                        {
                            if (rtpJob.RTPPacketReceived && !rtpJob.ErrorOnRTPSend)
                            {
                                Publish(sipRequest.URI.User, "Test completed. There were no RTP send or receive errors.");
                            }
                            else if (!rtpJob.RTPPacketReceived)
                            {
                                Publish(sipRequest.URI.User, "Test completed. An error was identified, no RTP packets were received.");
                            }
                            else
                            {
                                Publish(sipRequest.URI.User, "Test completed. An error was identified, there was a problem when attempting to send an RTP packet.");
                            }
                            rtpJob.Stop();
                            uas.SIPDialogue.Hangup(m_sipTransport, null);
                        }
                    }
                }, null, HANGUP_TIMEOUT, Timeout.Infinite);
            }
            else if (sipRequest.Method == SIPMethodsEnum.CANCEL)
            {
                UASInviteTransaction inviteTransaction = (UASInviteTransaction)m_sipTransport.GetTransaction(SIPTransaction.GetRequestTransactionId(sipRequest.Header.Vias.TopViaHeader.Branch, SIPMethodsEnum.INVITE));

                if (inviteTransaction != null)
                {
                    Console.WriteLine("Matching CANCEL request received " + sipRequest.URI.ToString() + ".\n");
                    Publish(sipRequest.URI.User, "CANCEL request received from " + remoteEndPoint + " for " + sipRequest.URI.ToString() + ".");
                    SIPCancelTransaction cancelTransaction = m_sipTransport.CreateCancelTransaction(sipRequest, remoteEndPoint, localSIPEndPoint, inviteTransaction);
                    cancelTransaction.GotRequest(localSIPEndPoint, remoteEndPoint, sipRequest);
                }
                else
                {
                    Console.WriteLine("No matching transaction was found for CANCEL to " + sipRequest.URI.ToString() + ".\n");
                    SIPResponse noCallLegResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.CallLegTransactionDoesNotExist, null);
                    m_sipTransport.SendResponse(noCallLegResponse);
                }
            }
            else
            {
                Console.WriteLine("SIP " + sipRequest.Method + " request received but no processing has been set up for it, rejecting.\n");
                Publish(sipRequest.URI.User, sipRequest.Method + " request received from " + remoteEndPoint + " for " + sipRequest.URI.ToString() + ".");
                SIPResponse notAllowedResponse = SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.MethodNotAllowed, null);
                m_sipTransport.SendResponse(notAllowedResponse);
            }
        }