public void FullTraceSIPSwitchUnitTest()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPMonitorFilter filter = new SIPMonitorFilter("event full and regex :test@");
Console.WriteLine(filter.GetFilterDescription());
Assert.IsTrue(filter != null, "The filter was not correctly instantiated.");
//Assert.AreEqual(filter.Username, "test", "The filter username was not correctly set.");
Assert.AreEqual(filter.EventFilterDescr, "full", "The filter event full was not correctly set.");
Assert.AreEqual(filter.RegexFilter, ":test@", "The regex was not correctly set.");
string inviteRequest =
"INVITE sip:213.200.94.181 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.1.32:10254;branch=z9hG4bK-d87543-eb7c9f44883c5955-1--d87543-;rport;received=89.100.104.191" + m_CRLF +
"To: aaronxten <sip:[email protected]>" + m_CRLF +
"From: test <sip:[email protected]>;tag=774d2561" + m_CRLF +
"Call-ID: MTBhNGZjZmQ2OTc3MWU5MTZjNWUxMDYxOTk1MjdmYzk." + m_CRLF +
"CSeq: 2 REGISTER" + m_CRLF +
"Contact: <sip:[email protected]:10254;rinstance=6d2bbd8014ca7a76>;expires=0" + m_CRLF +
"Max-Forwards: 69" + m_CRLF +
"User-Agent: X-Lite release 1006e stamp 34025" + m_CRLF +
"Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO" + m_CRLF + m_CRLF;
SIPMonitorEvent monitorEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.FullSIPTrace, inviteRequest, null);
bool showEventResult = filter.ShowSIPMonitorEvent(monitorEvent);
Assert.IsTrue(showEventResult, "The filter should have shown this event.");
}
private void LogMonitorEvent(SIPMonitorEvent monitorEvent)
{
if (monitorEvent is SIPMonitorConsoleEvent)
{
SIPMonitorConsoleEvent consoleEvent = monitorEvent as SIPMonitorConsoleEvent;
if (consoleEvent.EventType != SIPMonitorEventTypesEnum.FullSIPTrace && consoleEvent.EventType != SIPMonitorEventTypesEnum.SIPTransaction)
{
logger.Debug(monitorEvent.Message);
}
}
}
public static SIPMonitorConsoleEvent ParseClientControlEventCSV(string eventCSV)
{
try
{
SIPMonitorConsoleEvent monitorEvent = new SIPMonitorConsoleEvent();
if (eventCSV.IndexOf(END_MESSAGE_DELIMITER) != -1)
{
eventCSV.Remove(eventCSV.Length - 2, 2);
}
string[] eventFields = eventCSV.Split(new char[] { '|' });
monitorEvent.SessionID = eventFields[1];
monitorEvent.MonitorServerID = eventFields[2];
monitorEvent.ServerType = SIPMonitorServerTypes.GetProxyServerType(eventFields[3]);
monitorEvent.EventType = SIPMonitorEventTypes.GetProxyEventType(eventFields[4]);
monitorEvent.Created = DateTimeOffset.ParseExact(eventFields[5], SERIALISATION_DATETIME_FORMAT,
CultureInfo.InvariantCulture);
string serverEndPointStr = eventFields[6];
if (serverEndPointStr != null && serverEndPointStr.Trim().Length > 0)
{
monitorEvent.ServerEndPoint = SIPEndPoint.ParseSIPEndPoint(serverEndPointStr);
}
string remoteEndPointStr = eventFields[7];
if (remoteEndPointStr != null && remoteEndPointStr.Trim().Length > 0)
{
monitorEvent.RemoteEndPoint = SIPEndPoint.ParseSIPEndPoint(remoteEndPointStr);
}
string dstEndPointStr = eventFields[8];
if (dstEndPointStr != null && dstEndPointStr.Trim().Length > 0)
{
monitorEvent.DestinationEndPoint = SIPEndPoint.ParseSIPEndPoint(dstEndPointStr);
}
monitorEvent.Username = eventFields[9];
Int32.TryParse(eventFields[10], out monitorEvent.ProcessID);
monitorEvent.Message = eventFields[11].Trim('#');
return(monitorEvent);
}
catch (Exception excp)
{
Logger.Logger.Error("Exception SIPMonitorConsoleEvent ParseEventCSV. ->" + excp.Message);
return(null);
}
}
public void BlockIPAddressUnitTest()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPMonitorFilter filter = new SIPMonitorFilter("ipaddress 127.0.0.1 and event full");
Console.WriteLine(filter.GetFilterDescription());
Assert.IsTrue(filter != null, "The filter was not correctly instantiated.");
Assert.AreEqual(filter.IPAddress, "127.0.0.1", "The filter ip address was not correctly set.");
SIPMonitorEvent monitorEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.FullSIPTrace, "blah blah", String.Empty, SIPEndPoint.ParseSIPEndPoint("127.0.0.2"), null);
bool showEventResult = filter.ShowSIPMonitorEvent(monitorEvent);
Assert.IsFalse(showEventResult, "The filter should not have shown this event.");
}
public static SIPMonitorEvent ParseEventCSV(string eventCSV)
{
if (eventCSV == null || eventCSV.Trim().Length == 0)
{
return(null);
}
else if (eventCSV.Trim().StartsWith(SIPMonitorConsoleEvent.SERIALISATION_PREFIX))
{
return(SIPMonitorConsoleEvent.ParseClientControlEventCSV(eventCSV));
}
else if (eventCSV.Trim().StartsWith(SIPMonitorMachineEvent.SERIALISATION_PREFIX))
{
return(SIPMonitorMachineEvent.ParseMachineEventCSV(eventCSV));
}
else
{
logger.LogWarning("The monitor event prefix of " + eventCSV.Trim().Substring(0, 1) + " was not recognised. " + eventCSV);
return(null);
}
}
private void SendMonitorEvent(SIPMonitorEventTypesEnum eventType, string message, SIPEndPoint localEndPoint, SIPEndPoint remoteEndPoint, SIPEndPoint dstEndPoint)
{
SIPMonitorEvent proxyEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.SIPProxy, eventType, message, localEndPoint, remoteEndPoint, dstEndPoint);
SendMonitorEvent(proxyEvent);
}
/// <summary>
/// From RFC3261: Stateless Proxy Response Processing:
///
/// When a response arrives at a stateless proxy, the proxy MUST inspect the sent-by value in the first
/// (topmost) Via header field value. If that address matches the proxy, (it equals a value this proxy has
/// inserted into previous requests) the proxy MUST remove that header field value from the response and
/// forward the result to the location indicated in the next Via header field value. The proxy MUST NOT add
/// to, modify, or remove the message body. Unless specified otherwise, the proxy MUST NOT remove
/// any other header field values. If the address does not match the proxy, the message MUST be silently discarded.
/// </summary>
private void GotResponse(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPResponse sipResponse)
{
try
{
// Used in the proxy monitor messages only, plays no part in response processing.
string fromUser = (sipResponse.Header.From != null) ? sipResponse.Header.From.FromURI.User : null;
string toUser = (sipResponse.Header.To != null) ? sipResponse.Header.To.ToURI.User : null;
string summaryStr = "resp " + sipResponse.Header.CSeqMethod + " from=" + fromUser + ", to=" + toUser + ", " + remoteEndPoint.ToString();
SIPViaHeader topVia = sipResponse.Header.Vias.PopTopViaHeader();
SIPEndPoint outSocket = localSIPEndPoint;
// If the second Via header on the response was also set by this proxy it means the request was originally received and forwarded
// on different sockets. To get the response to travel the same path in reverse it must be forwarded from the proxy socket indicated
// by the second top Via.
if (sipResponse.Header.Vias.Length > 1)
{
SIPViaHeader nextTopVia = sipResponse.Header.Vias.TopViaHeader;
SIPEndPoint nextTopViaSIPEndPoint = SIPEndPoint.ParseSIPEndPoint(nextTopVia.Transport + ":" + nextTopVia.ReceivedFromAddress);
//if (!(PublicIPAddress != null && nextTopVia.ReceivedFromIPAddress != null && nextTopVia.ReceivedFromIPAddress != PublicIPAddress.ToString())
// &&
// (m_sipTransport.IsLocalSIPEndPoint(nextTopViaSIPEndPoint) || (PublicIPAddress != null && nextTopVia.ReceivedFromIPAddress == PublicIPAddress.ToString())))
if(m_sipTransport.IsLocalSIPEndPoint(nextTopViaSIPEndPoint))
{
sipResponse.Header.Vias.PopTopViaHeader();
outSocket = nextTopViaSIPEndPoint;
}
}
bool isFromAppServer = (m_sipCallDispatcherFile != null) ? m_sipCallDispatcherFile.IsAppServerEndPoint(remoteEndPoint) : false;
lock (this)
{
m_compiledScript.DefaultScope.RemoveVariable("sys");
m_compiledScript.DefaultScope.RemoveVariable("isreq");
m_compiledScript.DefaultScope.RemoveVariable("localEndPoint");
m_compiledScript.DefaultScope.RemoveVariable("outSocket");
m_compiledScript.DefaultScope.RemoveVariable("resp");
m_compiledScript.DefaultScope.RemoveVariable("remoteEndPoint");
m_compiledScript.DefaultScope.RemoveVariable("summary");
m_compiledScript.DefaultScope.RemoveVariable("sipMethod");
m_compiledScript.DefaultScope.RemoveVariable("topVia");
m_compiledScript.DefaultScope.RemoveVariable("IsFromAppServer");
m_compiledScript.DefaultScope.SetVariable("sys", m_proxyScriptFacade);
m_compiledScript.DefaultScope.SetVariable("isreq", false);
m_compiledScript.DefaultScope.SetVariable("localEndPoint", localSIPEndPoint);
m_compiledScript.DefaultScope.SetVariable("outSocket", outSocket);
m_compiledScript.DefaultScope.SetVariable("resp", sipResponse);
m_compiledScript.DefaultScope.SetVariable("remoteEndPoint", remoteEndPoint);
m_compiledScript.DefaultScope.SetVariable("summary", summaryStr);
m_compiledScript.DefaultScope.SetVariable("sipMethod", sipResponse.Header.CSeqMethod.ToString());
m_compiledScript.DefaultScope.SetVariable("topVia", topVia);
m_compiledScript.DefaultScope.SetVariable("IsFromAppServer", isFromAppServer);
m_compiledScript.Execute();
}
//if (responseStopwatch.ElapsedMilliseconds > 20)
//{
// logger.Debug("GotResponse processing time=" + responseStopwatch.ElapsedMilliseconds + "ms, script time=" + scriptStopwatch.ElapsedMilliseconds + "ms.");
//}
}
catch (Exception excp)
{
string respExcpError = "Exception SIPProxyCore GotResponse. " + excp.Message;
logger.Error(respExcpError + "\n" + sipResponse.ToString());
SIPMonitorEvent respExcpEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.SIPProxy, SIPMonitorEventTypesEnum.Error, respExcpError, localSIPEndPoint, remoteEndPoint, null);
SendMonitorEvent(respExcpEvent);
throw excp;
}
}
/// <summary>
/// From RFC3261: Stateless Proxy Request Processing:
///
/// For each target, the proxy forwards the request following these
/// 1. Make a copy of the received request
/// 2. Update the Request-URI
/// 3. Update the Max-Forwards header field
/// 4. Optionally add a Record-route header field value
/// 5. Optionally add additional header fields
/// 6. Postprocess routing information
/// 7. Determine the next-hop address, port, and transport
/// 8. Add a Via header field value
/// 9. Add a Content-Length header field if necessary
/// 10. Forward the new request
///
/// See sections 12.2.1.1 and 16.12.1.2 in the SIP RFC for the best explanation on the way the Route header works.
/// </summary>
/// <param name="sipRequest"></param>
/// <param name="inEndPoint">End point the request was received on.</param>
/// <param name="sipChannel"></param>
private void GotRequest(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPRequest sipRequest)
{
try
{
// Calculate the proxy branch parameter for this request. The branch parameter has to be calculated so that INVITE's and CANCEL's generate the same branchid.
//string toTag = (sipRequest.Header.To != null) ? sipRequest.Header.To.ToTag : null;
//string fromTag = (sipRequest.Header.From != null) ? sipRequest.Header.From.FromTag : null;
string route = (sipRequest.Header.Routes != null) ? sipRequest.Header.Routes.ToString() : null;
//string authHeader = (sipRequest.Header.AuthenticationHeader != null) ? sipRequest.Header.AuthenticationHeader.ToString() : null;
string proxyBranch = CallProperties.CreateBranchId(SIPConstants.SIP_BRANCH_MAGICCOOKIE, null, null, sipRequest.Header.CallId, sipRequest.URI.ToString(), null, sipRequest.Header.CSeq, route, null, null);
// Check whether the branch parameter already exists in the Via list. One instance of an already added Via header will be allowed to support a single spiral.
int loopedViaCount = 0;
foreach (SIPViaHeader viaHeader in sipRequest.Header.Vias.Via)
{
//if (viaHeader.Branch == proxyBranch)
SIPEndPoint sentFromEndPoint = SIPEndPoint.TryParse(viaHeader.Transport + ":" + viaHeader.ContactAddress);
if (sentFromEndPoint != null && m_sipTransport.IsLocalSIPEndPoint(sentFromEndPoint))
{
loopedViaCount++;
}
if (loopedViaCount >= 2)
{
SendMonitorEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.SIPProxy, SIPMonitorEventTypesEnum.Warn, "Loop detected on request from " + remoteEndPoint + " to " + sipRequest.URI.ToString() + ".", null));
m_sipTransport.SendResponse(SIPTransport.GetResponse(sipRequest, SIPResponseStatusCodesEnum.LoopDetected, null));
return;
}
}
// 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 toUser = (sipRequest.Header.To != null) ? sipRequest.Header.To.ToURI.User : null;
string summaryStr = "req " + sipRequest.Method + " from=" + fromUser + ", to=" + toUser + ", " + remoteEndPoint.ToString();
bool isFromAppServer = (m_sipCallDispatcherFile != null) ? m_sipCallDispatcherFile.IsAppServerEndPoint(remoteEndPoint) : false;
lock (this)
{
m_compiledScript.DefaultScope.RemoveVariable("sys");
m_compiledScript.DefaultScope.RemoveVariable("localEndPoint");
m_compiledScript.DefaultScope.RemoveVariable("isreq");
m_compiledScript.DefaultScope.RemoveVariable("req");
m_compiledScript.DefaultScope.RemoveVariable("remoteEndPoint");
m_compiledScript.DefaultScope.RemoveVariable("summary");
m_compiledScript.DefaultScope.RemoveVariable("proxyBranch");
m_compiledScript.DefaultScope.RemoveVariable("sipMethod");
m_compiledScript.DefaultScope.RemoveVariable("publicip");
m_compiledScript.DefaultScope.RemoveVariable("IsFromAppServer");
m_compiledScript.DefaultScope.SetVariable("sys", m_proxyScriptFacade);
m_compiledScript.DefaultScope.SetVariable("localEndPoint", localSIPEndPoint);
m_compiledScript.DefaultScope.SetVariable("isreq", true);
m_compiledScript.DefaultScope.SetVariable("req", sipRequest);
m_compiledScript.DefaultScope.SetVariable("remoteEndPoint", remoteEndPoint);
m_compiledScript.DefaultScope.SetVariable("summary", summaryStr);
m_compiledScript.DefaultScope.SetVariable("proxyBranch", proxyBranch);
m_compiledScript.DefaultScope.SetVariable("sipMethod", sipRequest.Method.ToString());
m_compiledScript.DefaultScope.SetVariable("publicip", PublicIPAddress);
m_compiledScript.DefaultScope.SetVariable("IsFromAppServer", isFromAppServer);
m_compiledScript.Execute();
}
//if (requestStopwatch.ElapsedMilliseconds > 20)
//{
// logger.Debug("GotRequest processing time=" + requestStopwatch.ElapsedMilliseconds + "ms, script time=" + scriptStopwatch.ElapsedMilliseconds + "ms.");
//}
}
catch (SIPValidationException)
{
throw;
}
catch (Exception excp)
{
string remoteEndPointStr = (remoteEndPoint != null) ? remoteEndPoint.ToString() : null;
string reqExcpError = "Exception SIPProxyCore GotRequest (from " + remoteEndPointStr + "). " + excp.Message;
logger.Error(reqExcpError);
SIPMonitorEvent reqExcpEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.SIPProxy, SIPMonitorEventTypesEnum.Error, reqExcpError, localSIPEndPoint, remoteEndPoint, null);
SendMonitorEvent(reqExcpEvent);
throw excp;
}
}
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);
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 static SIPMonitorConsoleEvent ParseClientControlEventCSV(string eventCSV)
{
try
{
SIPMonitorConsoleEvent monitorEvent = new SIPMonitorConsoleEvent();
if (eventCSV.IndexOf(END_MESSAGE_DELIMITER) != -1)
{
eventCSV.Remove(eventCSV.Length - 2, 2);
}
string[] eventFields = eventCSV.Split(new char[] { '|' });
monitorEvent.SessionID = eventFields[1];
monitorEvent.MonitorServerID = eventFields[2];
monitorEvent.ServerType = SIPMonitorServerTypes.GetProxyServerType(eventFields[3]);
monitorEvent.EventType = SIPMonitorEventTypes.GetProxyEventType(eventFields[4]);
monitorEvent.Created = DateTimeOffset.ParseExact(eventFields[5], SERIALISATION_DATETIME_FORMAT, CultureInfo.InvariantCulture);
string serverEndPointStr = eventFields[6];
if (serverEndPointStr != null && serverEndPointStr.Trim().Length > 0)
{
monitorEvent.ServerEndPoint = SIPEndPoint.ParseSIPEndPoint(serverEndPointStr);
}
string remoteEndPointStr = eventFields[7];
if (remoteEndPointStr != null && remoteEndPointStr.Trim().Length > 0)
{
monitorEvent.RemoteEndPoint = SIPEndPoint.ParseSIPEndPoint(remoteEndPointStr);
}
string dstEndPointStr = eventFields[8];
if (dstEndPointStr != null && dstEndPointStr.Trim().Length > 0)
{
monitorEvent.DestinationEndPoint = SIPEndPoint.ParseSIPEndPoint(dstEndPointStr);
}
monitorEvent.Username = eventFields[9];
Int32.TryParse(eventFields[10], out monitorEvent.ProcessID);
monitorEvent.Message = eventFields[11].Trim('#');
return monitorEvent;
}
catch (Exception excp)
{
logger.Error("Exception SIPMonitorConsoleEvent ParseEventCSV. " + excp.Message);
return null;
}
}
/// <summary>
/// Rules for displaying events.
/// 1. The event type is checked to see if it matches. If no event type has been specified than all events EXCEPT FullSIPTrace are
/// matched,
/// 2. If the event type is FullSIPTrace then the messages can be filtered on the request type. If the request type is not set all
/// SIP trace messages are matched otherwise only those pertaining to the request type specified,
/// 3. The server type is checked, if it's not set all events are matched,
/// 4. If the event has matched up until this point a decision is now made as to whether to display or reject it:
/// a. If the IPAddress filter is set is checked, if it matches the event is displayed otherwise it's rejected,
/// b. If the username AND server IP AND request type AND regex filters all match the vent is displayed otherwise rejected.
/// </summary>
/// <param name="proxyEvent"></param>
/// <returns></returns>
public bool ShowSIPMonitorEvent(SIPMonitorEvent proxyEvent)
{
if (proxyEvent is SIPMonitorMachineEvent)
{
#region Machine event filtering.
if (BaseType == MACHINE_BASE_TYPE)
{
if (EventFilterDescr == WILDCARD)
{
return(ShowUsername(proxyEvent.Username));
}
else
{
SIPMonitorMachineEvent machineEvent = proxyEvent as SIPMonitorMachineEvent;
if ((machineEvent.MachineEventType == SIPMonitorMachineEventTypesEnum.SIPDialogueCreated ||
machineEvent.MachineEventType == SIPMonitorMachineEventTypesEnum.SIPDialogueRemoved ||
machineEvent.MachineEventType == SIPMonitorMachineEventTypesEnum.SIPDialogueUpdated ||
machineEvent.MachineEventType == SIPMonitorMachineEventTypesEnum.SIPDialogueTransfer) && SIPEventDialogURI != null)
{
if (SIPEventDialogURI.User == WILDCARD)
{
return(ShowUsername(proxyEvent.Username) && ShowMachineEvent(machineEvent.MachineEventType));
}
else
{
return(proxyEvent.Username == Username && machineEvent.ResourceURI != null &&
machineEvent.ResourceURI.User == SIPEventDialogURI.User && machineEvent.ResourceURI.Host == SIPEventDialogURI.Host);
}
}
else if ((machineEvent.MachineEventType == SIPMonitorMachineEventTypesEnum.SIPRegistrarBindingRemoval ||
machineEvent.MachineEventType == SIPMonitorMachineEventTypesEnum.SIPRegistrarBindingUpdate) && SIPEventPresenceURI != null)
{
if (SIPEventPresenceURI.User == WILDCARD)
{
return(ShowUsername(proxyEvent.Username));
}
else
{
return(proxyEvent.Username == Username && machineEvent.ResourceURI != null &&
machineEvent.ResourceURI.User == SIPEventPresenceURI.User && machineEvent.ResourceURI.Host == SIPEventPresenceURI.Host);
}
}
else if (SIPEventDialogURI == null && SIPEventPresenceURI == null)
{
return(ShowUsername(proxyEvent.Username));
}
else
{
return(false);
}
}
}
else
{
return(false);
}
#endregion
}
else if (BaseType == MACHINE_BASE_TYPE && !(proxyEvent is SIPMonitorMachineEvent))
{
return(false);
}
else
{
SIPMonitorConsoleEvent consoleEvent = proxyEvent as SIPMonitorConsoleEvent;
string serverAddress = (consoleEvent.ServerEndPoint != null) ? consoleEvent.ServerEndPoint.Address.ToString() : null;
string remoteIPAddress = (consoleEvent.RemoteEndPoint != null) ? consoleEvent.RemoteEndPoint.Address.ToString() : null;
string dstIPAddress = (consoleEvent.DestinationEndPoint != null) ? consoleEvent.DestinationEndPoint.Address.ToString() : null;
if (SIPRequestFilter != WILDCARD && consoleEvent.Message != null && consoleEvent.EventType == SIPMonitorEventTypesEnum.FullSIPTrace)
{
if (ShowEvent(consoleEvent.EventType, consoleEvent.ServerEndPoint) && ShowServer(consoleEvent.ServerType))
{
if (SIPRequestFilter == SIPREQUEST_INVITE_VALUE)
{
// Do a regex to pick out ACKs, BYEs, CANCELs, INVITEs and REFERs.
if (Regex.Match(consoleEvent.Message, "(ACK|BYE|CANCEL|INVITE|REFER) +?sips?:", RegexOptions.IgnoreCase).Success ||
Regex.Match(consoleEvent.Message, @"CSeq: \d+ (ACK|BYE|CANCEL|INVITE|REFER)(\r|\n)", RegexOptions.IgnoreCase).Success)
{
return(ShowRegex(consoleEvent.Message) && (ShowIPAddress(remoteIPAddress) || ShowIPAddress(dstIPAddress)));
}
}
else if (SIPRequestFilter == SIPREQUEST_REGISTER_VALUE)
{
// Do a regex to pick out REGISTERs.
if (Regex.Match(consoleEvent.Message, "REGISTER +?sips?:", RegexOptions.IgnoreCase).Success ||
Regex.Match(consoleEvent.Message, @"CSeq: \d+ REGISTER(\r|\n)", RegexOptions.IgnoreCase).Success)
{
return(ShowRegex(consoleEvent.Message) && (ShowIPAddress(remoteIPAddress) || ShowIPAddress(dstIPAddress)));
}
}
else if (SIPRequestFilter == SIPREQUEST_NOTIFY_VALUE)
{
// Do a regex to pick out NOTIFYs and SUBSCRIBEs.
if (Regex.Match(consoleEvent.Message, "(NOTIFY|SUBSCRIBE) +?sips?:", RegexOptions.IgnoreCase).Success ||
Regex.Match(consoleEvent.Message, @"CSeq: \d+ (NOTIFY|SUBSCRIBE)(\r|\n)", RegexOptions.IgnoreCase).Success)
{
return(ShowRegex(consoleEvent.Message) && (ShowIPAddress(remoteIPAddress) || ShowIPAddress(dstIPAddress)));
}
}
return(false);
}
}
if (ShowEvent(consoleEvent.EventType, consoleEvent.ServerEndPoint))
{
bool showIPAddress = ShowIPAddress(remoteIPAddress) || ShowIPAddress(dstIPAddress);
bool showUsername = ShowUsername(consoleEvent.Username);
bool showServerIP = ShowServerIPAddress(serverAddress);
bool showRegex = ShowRegex(consoleEvent.Message);
bool showServer = ShowServer(consoleEvent.ServerType);
if (showUsername && showServerIP && showRegex && showIPAddress && showServer)
{
return(true);
}
}
return(false);
}
}
public void FullTraceSIPSwitchUnitTest()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPMonitorFilter filter = new SIPMonitorFilter("event full and regex :test@");
Console.WriteLine(filter.GetFilterDescription());
Assert.IsTrue(filter != null, "The filter was not correctly instantiated.");
//Assert.AreEqual(filter.Username, "test", "The filter username was not correctly set.");
Assert.AreEqual(filter.EventFilterDescr, "full", "The filter event full was not correctly set.");
Assert.AreEqual(filter.RegexFilter, ":test@", "The regex was not correctly set.");
string inviteRequest =
"INVITE sip:213.200.94.181 SIP/2.0" + m_CRLF +
"Via: SIP/2.0/UDP 192.168.1.32:10254;branch=z9hG4bK-d87543-eb7c9f44883c5955-1--d87543-;rport;received=89.100.104.191" + m_CRLF +
"To: aaronxten <sip:[email protected]>" + m_CRLF +
"From: test <sip:[email protected]>;tag=774d2561" + m_CRLF +
"Call-ID: MTBhNGZjZmQ2OTc3MWU5MTZjNWUxMDYxOTk1MjdmYzk." + m_CRLF +
"CSeq: 2 REGISTER" + m_CRLF +
"Contact: <sip:[email protected]:10254;rinstance=6d2bbd8014ca7a76>;expires=0" + m_CRLF +
"Max-Forwards: 69" + m_CRLF +
"User-Agent: X-Lite release 1006e stamp 34025" + m_CRLF +
"Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO" + m_CRLF + m_CRLF;
SIPMonitorEvent monitorEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.FullSIPTrace, inviteRequest, null);
bool showEventResult = filter.ShowSIPMonitorEvent(monitorEvent);
Assert.IsTrue(showEventResult, "The filter should have shown this event.");
}
public void BlockIPAddressUnitTest()
{
Console.WriteLine("--> " + System.Reflection.MethodBase.GetCurrentMethod().Name);
SIPMonitorFilter filter = new SIPMonitorFilter("ipaddress 127.0.0.1 and event full");
Console.WriteLine(filter.GetFilterDescription());
Assert.IsTrue(filter != null, "The filter was not correctly instantiated.");
Assert.AreEqual(filter.IPAddress, "127.0.0.1", "The filter ip address was not correctly set.");
SIPMonitorEvent monitorEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.FullSIPTrace, "blah blah", String.Empty, SIPEndPoint.ParseSIPEndPoint("127.0.0.2"), null);
bool showEventResult = filter.ShowSIPMonitorEvent(monitorEvent);
Assert.IsFalse(showEventResult, "The filter should not have shown this event.");
}
private void CompleteTrace()
{
try
{
SIPMonitorConsoleEvent traceCompleteEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Dialplan trace completed at " + DateTime.Now.ToString("dd MMM yyyy HH:mm:ss:fff") + ".", Owner);
TraceLog.AppendLine(traceCompleteEvent.EventType + "=> " + traceCompleteEvent.Message);
if (!m_traceDirectory.IsNullOrBlank() && Directory.Exists(m_traceDirectory))
{
string traceFilename = m_traceDirectory + Owner + "-" + DateTime.Now.ToString("ddMMMyyyyHHmmss") + ".txt";
StreamWriter traceSW = new StreamWriter(traceFilename);
traceSW.Write(TraceLog.ToString());
traceSW.Close();
}
if (TraceEmailAddress != null)
{
logger.Debug("Emailing trace to " + TraceEmailAddress + ".");
SIPSorcerySMTP.SendEmail(TraceEmailAddress, TRACE_FROM_ADDRESS, TRACE_SUBJECT, TraceLog.ToString());
}
}
catch (Exception traceExcp)
{
logger.Error("Exception DialPlanContext CompleteTrace. " + traceExcp.Message);
}
}
public List<string> GetNotifications(string address, out string sessionId, out string sessionError)
{
sessionId = null;
sessionError = null;
try
{
//logger.Debug("SIPMonitorClientManager GetNotifications for address " + address + ".");
/*lock (m_clientsWaiting)
{
// If there is a callback set for this address the consumer has now received it and it can be removed.
if (m_clientsWaiting.ContainsKey(address))
{
m_clientsWaiting.Remove(address);
}
}*/
List<SIPMonitorClientSession> sessions = (m_clientSessions.ContainsKey(address)) ? m_clientSessions[address] : null;
if (sessions != null)
{
sessions = sessions.OrderBy(s => s.LastGetNotificationsRequest).ToList();
for (int index = 0; index < sessions.Count; index++)
{
SIPMonitorClientSession session = sessions[index];
session.LastGetNotificationsRequest = DateTime.Now;
if (!session.FilterDescriptionNotificationSent && session.SessionType == SIPMonitorClientTypesEnum.Console)
{
//logger.Debug("First notifications request after new console client filter set.");
session.FilterDescriptionNotificationSent = true;
sessionId = session.SessionID;
SIPMonitorConsoleEvent filterDescriptionEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.Monitor, SIPMonitorEventTypesEnum.Monitor, session.Filter.GetFilterDescription(), session.CustomerUsername);
return new List<string>() { filterDescriptionEvent.ToConsoleString(session.AdminId) };
}
else if (session.Events.Count > 0)
{
List<string> eventList = new List<string>();
sessionId = session.SessionID;
lock (session.Events)
{
while (session.Events.Count > 0)
{
SIPMonitorEvent monitorEvent = session.Events.Dequeue();
if (monitorEvent is SIPMonitorConsoleEvent)
{
eventList.Add(((SIPMonitorConsoleEvent)monitorEvent).ToConsoleString(session.AdminId));
}
else
{
eventList.Add(monitorEvent.ToCSV());
}
}
}
return eventList;
}
}
}
return null;
}
catch (Exception excp)
{
logger.Error("Exception SIPMonitorClientManager GetNotifications. " + excp.Message);
sessionError = "Exception SIPMonitorClientManager GetNotifications. " + excp.Message;
return null;
//throw;
}
}
private void LogSecondarySTUNRequestReceived(IPEndPoint localSIPEndPoint, IPEndPoint remoteEndPoint, byte[] buffer, int bufferLength)
{
SIPMonitorEvent stunEvent = new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.SIPProxy, SIPMonitorEventTypesEnum.STUNSecondary, "Secondary STUN request recevied from " + remoteEndPoint + ".", null);
FireSIPMonitorEvent(stunEvent);
}