/// <summary>
/// Build the net.tcp frontend
/// </summary>
/// <param name="sharedData">indicating the shared data</param>
/// <param name="observer">indicating the broker observer</param>
/// <param name="clientManager">indicating the client manager</param>
/// <param name="brokerAuth">indicating the broker authorization</param>
/// <param name="bindings">indicating the bindings</param>
/// <returns>frontend info</returns>
private static FrontendInfo BuildNetTcpFrontend(SharedData sharedData, BrokerObserver observer, BrokerClientManager clientManager, BrokerAuthorization brokerAuth, BindingsSection bindings)
{
FrontendInfo result = new FrontendInfo();
BrokerTracing.TraceVerbose("[FrontEndBuilder] Start building net.tcp frontend...");
// Get binding from configuration file
Binding binding = BindingHelper.GetBinding(TransportScheme.NetTcp, sharedData.StartInfo.Secure, bindings, sharedData.StartInfo.LocalUser.GetValueOrDefault(), sharedData.StartInfo.UseAad);
// Sync frontend binding.receiveTimeout with loadBalancing.ServiceOperationTimeout if its enabled (>0)
int serviceOperationTimeout = sharedData.Config.LoadBalancing.ServiceOperationTimeout;
if (serviceOperationTimeout > 0)
{
binding.SendTimeout = TimeSpan.FromMilliseconds(serviceOperationTimeout);
}
// Set frontend binding.ReceiveTimeout to max
binding.ReceiveTimeout = TimeSpan.MaxValue;
// Update backend binding's maxMessageSize settings with global maxMessageSize if its enabled (> 0)
int maxMessageSize = sharedData.ServiceConfig.MaxMessageSize;
if (maxMessageSize > 0)
{
BindingHelper.ApplyMaxMessageSize(binding, maxMessageSize);
result.MaxMessageSize = maxMessageSize;
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 1: Apply global MaxMessageSize:{0}\n", result.MaxMessageSize);
}
else
{
// Get message size and reader quotas
BindingElementCollection collection = binding.CreateBindingElements();
result.MaxMessageSize = collection.Find <TransportBindingElement>().MaxReceivedMessageSize;
result.ReaderQuotas = binding.GetProperty <XmlDictionaryReaderQuotas>(new BindingParameterCollection());
StringBuilder sb = new StringBuilder();
BrokerTracing.WriteProperties(sb, result.ReaderQuotas, 3, typeof(int));
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 1: Load binding data:\nMaxMessageSize = {0}\n[ReaderQuotas]\n{1}", result.MaxMessageSize, sb.ToString());
}
result.Binding = binding;
BrokerTracing.EtwTrace.LogFrontendBindingLoaded(
sharedData.BrokerInfo.SessionId,
"NetTcp",
result.MaxMessageSize,
binding.ReceiveTimeout.Ticks,
binding.SendTimeout.Ticks,
binding.MessageVersion.ToString(),
binding.Scheme);
// Generate the net.tcp uri
Uri baseNetTcpUri = sharedData.Config.Services.GetBrokerBaseAddress(NetTcpScheme);
if (baseNetTcpUri == null)
{
string netTcpUriStr;
if (sharedData.StartInfo.LocalUser.GetValueOrDefault())
{
netTcpUriStr = InternalNetTcpFrontEndServiceUri;
}
else if (sharedData.StartInfo.UseAad)
{
netTcpUriStr = AadNetTcpFrontEndServiceUri;
}
else
{
netTcpUriStr = DefaultNetTcpFrontEndServiceUri;
}
baseNetTcpUri = new Uri(netTcpUriStr);
}
if (SoaHelper.IsOnAzure())
{
baseNetTcpUri = new Uri(SoaHelper.GetBrokerWorkerAddress("localhost"));
}
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 2: Load base address: {0}", baseNetTcpUri);
Uri brokerNetTcpUri = ApplySessionId(baseNetTcpUri, sharedData.BrokerInfo.SessionId, "NetTcp", sharedData.BrokerInfo.EnableFQDN);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 3: Generate broker uri: {0}", brokerNetTcpUri);
// Build the frontend
result.FrontEnd = new DuplexFrontEnd(brokerNetTcpUri, binding, observer, clientManager, brokerAuth, sharedData);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 4: Build broker frontend succeeded.");
BrokerTracing.EtwTrace.LogFrontendCreated(
sharedData.BrokerInfo.SessionId,
"NetTcp",
result.FrontEnd.ListenUri);
Uri controllerNetTcpUri = ApplySessionId(baseNetTcpUri, sharedData.BrokerInfo.SessionId, "NetTcp", sharedData.BrokerInfo.EnableFQDN);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 5: Generate controller base address: {0}", controllerNetTcpUri);
if (SoaHelper.IsOnAzure())
{
result.ControllerFrontend = new ServiceHost(typeof(BrokerController));
BindingHelper.ApplyDefaultThrottlingBehavior(result.ControllerFrontend);
ServiceEndpoint controllerEndpoint = result.ControllerFrontend.AddServiceEndpoint(
typeof(IController),
binding,
new Uri(SoaHelper.GetBrokerControllerAddress(sharedData.BrokerInfo.SessionId)),
new Uri(Path.Combine(controllerNetTcpUri.ToString(), DefaultControllerPostfix)));
controllerEndpoint.Behaviors.Add(new ControllerFrontendProvider(false, clientManager, brokerAuth, observer, null));
result.ControllerUri = controllerEndpoint.ListenUri.AbsoluteUri;
ServiceEndpoint getResponseEndpoint = result.ControllerFrontend.AddServiceEndpoint(
typeof(IResponseService),
binding,
new Uri(SoaHelper.GetBrokerGetResponseAddress(sharedData.BrokerInfo.SessionId)),
new Uri(Path.Combine(controllerNetTcpUri.ToString(), DefaultGetResponsePostfix)));
getResponseEndpoint.Behaviors.Add(new ControllerFrontendProvider(false, clientManager, brokerAuth, observer, null));
result.GetResponseUri = getResponseEndpoint.ListenUri.AbsoluteUri;
}
else
{
result.ControllerFrontend = new ServiceHost(typeof(BrokerController), controllerNetTcpUri);
BindingHelper.ApplyDefaultThrottlingBehavior(result.ControllerFrontend);
ServiceEndpoint controllerEndpoint = result.ControllerFrontend.AddServiceEndpoint(typeof(IController), binding, DefaultControllerPostfix);
controllerEndpoint.Behaviors.Add(new ControllerFrontendProvider(false, clientManager, brokerAuth, observer, null));
result.ControllerUri = controllerEndpoint.ListenUri.AbsoluteUri;
ServiceEndpoint getResponseEndpoint = result.ControllerFrontend.AddServiceEndpoint(typeof(IResponseService), binding, DefaultGetResponsePostfix);
getResponseEndpoint.Behaviors.Add(new ControllerFrontendProvider(false, clientManager, brokerAuth, observer, null));
result.GetResponseUri = getResponseEndpoint.ListenUri.AbsoluteUri;
if (sharedData.StartInfo.UseAad)
{
throw new NotSupportedException();
}
else if (sharedData.StartInfo.LocalUser.GetValueOrDefault())
{
BrokerTracing.TraceVerbose("[FrontEndBuilder] Building net.tcp frontend with internal authentication.");
result.ControllerFrontend.Credentials.UseInternalAuthenticationAsync(true).GetAwaiter().GetResult();
}
}
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 6: Build controller frontend succeeded: ControllerUri = {0}, GetResponseUri = {1}", result.ControllerUri, result.GetResponseUri);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Building net.tcp frontend succeeded.");
BrokerTracing.EtwTrace.LogFrontendControllerCreated(
sharedData.BrokerInfo.SessionId,
"NetTcp",
result.ControllerUri,
result.GetResponseUri);
return(result);
}
