static void Main()
{
Console.WriteLine("SIPSorcery Notification Client Demo");
// Use verbose to get display the full SIP messages.
AddConsoleLogger(LogEventLevel.Verbose);
var sipTransport = new SIPTransport();
sipTransport.EnableTraceLogs();
var mwiURI = SIPURI.ParseSIPURIRelaxed($"{USERNAME}@{SERVER}");
int expiry = 180;
SIPNotifierClient mwiSubscriber = new SIPNotifierClient(sipTransport, null, SIPEventPackagesEnum.MessageSummary, mwiURI, USERNAME, null, PASSWORD, expiry, null);
mwiSubscriber.SubscriptionFailed += (uri, failureStatus, errorMessage) => Console.WriteLine($"MWI failed for {uri}, {errorMessage}");
mwiSubscriber.SubscriptionSuccessful += (uri) => Console.WriteLine($"MWI subscription successful for {uri}");
mwiSubscriber.NotificationReceived += (evt, msg) => Console.WriteLine($"MWI notification, type {evt}, message {msg}.");
mwiSubscriber.Start();
Console.WriteLine("press any key to exit...");
Console.ReadLine();
Console.WriteLine("Exiting...");
// Clean up.
mwiSubscriber.Stop();
Thread.Sleep(1000);
sipTransport.Shutdown();
}
private void OkResponseReceived(SIPTransaction sipTransaction, SIPEndPoint remoteEndPoint, SIPResponse sipResponse)
{
try
{
Guid callIdGuid = new Guid(sipResponse.Header.CallId);
SIPProviderBinding binding = GetBinding(callIdGuid);
RemoveCachedBinding(callIdGuid);
if (binding != null)
{
// Updated contacts list.
// Find the contact in the list that matches the one being maintained by this agent in order to determine the expiry value.
int headerExpires = sipResponse.Header.Expires;
int contactExpires = -1;
if (sipResponse.Header.Contact != null && sipResponse.Header.Contact.Count > 0)
{
foreach (SIPContactHeader contactHeader in sipResponse.Header.Contact)
{
if (contactHeader.ContactURI.Parameters.Get(m_regAgentContactId) == binding.BindingSIPURI.Parameters.Get(m_regAgentContactId))
{
contactExpires = contactHeader.Expires;
break;
}
}
}
if (contactExpires != -1)
{
binding.BindingExpiry = contactExpires;
}
else if (headerExpires != -1)
{
binding.BindingExpiry = headerExpires;
}
if (binding.BindingExpiry < REGISTER_MINIMUM_EXPIRY)
{
// Make sure we don't do a 3CX and send registration floods.
binding.BindingExpiry = REGISTER_MINIMUM_EXPIRY;
}
binding.NextRegistrationTime = DateTimeOffset.UtcNow.AddSeconds(binding.BindingExpiry - REGISTRATION_HEAD_TIME);
binding.ContactsList = sipResponse.Header.Contact;
binding.IsRegistered = true;
binding.LastRegisterTime = DateTimeOffset.UtcNow;
binding.RegistrationFailureMessage = null;
m_bindingPersistor.Update(binding);
UpdateSIPProviderOutboundProxy(binding, sipResponse.Header.ProxyReceivedOn);
FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.RegisterAgent, SIPMonitorEventTypesEnum.ContactRegistered, "Contact successfully registered for " + binding.Owner + " on " + binding.RegistrarServer.ToString() + ", expiry " + binding.BindingExpiry + "s.", binding.Owner));
if (binding.SendMWISubscribe)
{
try
{
var mwiURI = SIPURI.ParseSIPURIRelaxed(binding.ProviderAuthUsername + "@" + binding.RegistrarRealm);
FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.RegisterAgent, SIPMonitorEventTypesEnum.MWI, "Sending MWI subscription request for provider " + binding.ProviderName + " with URI " + mwiURI.ToParameterlessString() + ".", binding.Owner));
SIPNotifierClient<SIPEvent> mwiSubscriber = new SIPNotifierClient<SIPEvent>(FireProxyLogEvent, m_sipTransport, m_outboundProxy, SIPEventPackage.MessageSummary, mwiURI, binding.ProviderAuthUsername, binding.RegistrarRealm, binding.ProviderPassword, binding.BindingExpiry, null);
mwiSubscriber.SubscriptionFailed += (resourceURI, failureStatus, errorMessage) => { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.RegisterAgent, SIPMonitorEventTypesEnum.MWI, "MWI failed for " + resourceURI.ToParameterlessString() + ", " + errorMessage, binding.Owner)); };
mwiSubscriber.SubscriptionSuccessful += (resourceURI) => { FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.RegisterAgent, SIPMonitorEventTypesEnum.MWI, "MWI subscription successful for " + resourceURI.ToParameterlessString() + ".", binding.Owner)); };
mwiSubscriber.Subscribe(mwiURI, binding.BindingExpiry, SIPEventPackage.MessageSummary, CallProperties.CreateNewCallId(), binding.BindingSIPURI);
}
catch (Exception excp)
{
logger.Error("Exception SIPRegistrationAgent MWI Subscription. " + excp.Message);
}
}
}
}
catch (Exception excp)
{
logger.Error("Exception SIPRegistrationAgent OkResponseReceived. " + excp.Message);
RemoveCachedBinding(sipResponse.Header.CallId);
}
}
