/// <summary>
/// Initializes a new instance of the AzureDispatcher class
/// </summary>
/// <param name="info">indicating the dispatcher info</param>
/// <param name="binding">binding information</param>
/// <param name="sharedData">indicating the shared data</param>
/// <param name="observer">indicating the observer</param>
/// <param name="queueFactory">indicating the queue factory</param>
/// <param name="dispatcherIdle">set when the dispatcher enters idle status</param>
public AzureDispatcher(DispatcherInfo info, Binding binding, SharedData sharedData, BrokerObserver observer, BrokerQueueFactory queueFactory, SchedulerAdapterClientFactory schedulerAdapterClientFactory, AutoResetEvent dispatcherIdle)
: base(info, ProxyBinding.BrokerProxyBinding, sharedData, observer, queueFactory, schedulerAdapterClientFactory, dispatcherIdle)
{
// Initialize proxy client pool
this.proxyClientPool = this.AttachProxyClientPool(this.Epr, sharedData.Config.LoadBalancing.MaxConnectionCountPerAzureProxy);
// 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);
}
this.backendBindingData = new BindingData(binding);
}
/// <summary>
/// Initializes a new instance of the DispatcherManager class
/// </summary>
/// <param name="bindings">indicating the bindings section</param>
/// <param name="observer">indicating the observer</param>
/// <param name="queueFactory">indicating the queue factory</param>
/// <param name="sharedData">indicating the shared data</param>
/// <param name="frontendResult">indicating the frontend result</param>
public DispatcherManager(BindingsSection bindings, SharedData sharedData, BrokerObserver observer, ServiceJobMonitorBase monitor, BrokerQueueFactory queueFactory, ITelepathyContext context)
{
this.dispatcherDic = new Dictionary <string, Dispatcher>();
this.failedDispatcherList = new List <string>();
this.blockedDispatcherDic = new Dictionary <string, DispatcherInfo>();
this.blockedDispatcherQueue = new Queue <DispatcherInfo>();
this.sharedData = sharedData;
this.observer = observer;
this.monitor = monitor;
this.queueFactory = queueFactory;
this.context = context;
this.defaultCapacity = this.sharedData.ServiceConfig.MaxConcurrentCalls;
this.blockTimeSpan = TimeSpan.FromMilliseconds(this.sharedData.Config.LoadBalancing.EndpointNotFoundRetryPeriod);
this.unblockTimer = new Timer(new ThreadHelper <object>(new TimerCallback(this.CallbackToQueryBlockedDispatcherList)).CallbackRoot, null, -1, -1);
this.defaultBinding = BindingHelper.GetBackEndBinding(bindings);
this.isHttp = this.defaultBinding.CreateBindingElements().Find <HttpTransportBindingElement>() != null;
// Update binding's maxMessageSize settings with global maxMessageSize if its enabled (> 0)
int maxMessageSize = sharedData.ServiceConfig.MaxMessageSize;
if (maxMessageSize > 0)
{
BindingHelper.ApplyMaxMessageSize(this.defaultBinding, maxMessageSize);
}
// get soa burst protocol info
this.httpsBurst = sharedData.BrokerInfo.HttpsBurst;
if (this.httpsBurst)
{
this.azureQueueManager = new AzureQueueManager(sharedData.BrokerInfo.SessionId, this.sharedData.BrokerInfo.ClusterName, this.sharedData.BrokerInfo.ClusterId);
}
this.supportsMessageDetails = this.defaultBinding.MessageVersion.Addressing != AddressingVersion.None || this.defaultBinding is BasicHttpBinding;
BrokerTracing.TraceEvent(TraceEventType.Information, 0, "[DispatcherManager] Init backend binding: OperatiomTimeout = {0}, DefaultCapacity = {1}", this.sharedData.Config.LoadBalancing.ServiceOperationTimeout, this.defaultCapacity);
BrokerTracing.EtwTrace.LogBackendBindingLoaded(
sharedData.BrokerInfo.SessionId,
"Backend",
maxMessageSize,
this.defaultBinding.ReceiveTimeout.Ticks,
this.defaultBinding.SendTimeout.Ticks,
this.defaultBinding.MessageVersion.ToString(),
this.defaultBinding.Scheme);
}
/// <summary>
/// Initializes a new instance of the AzureHttpsDispatcher class.
/// </summary>
/// <param name="azureQueueManager">AzureQueueManager instance</param>
/// <param name="info">indicating the dispatcher info</param>
/// <param name="binding">binding information</param>
/// <param name="sharedData">indicating the shared data</param>
/// <param name="observer">indicating the observer</param>
/// <param name="queueFactory">indicating the queue factory</param>
/// <param name="schedulerAdapterClientFactory">SchedulerAdapterClientFactory instance</param>
/// <param name="dispatcherIdle">set when the dispatcher enters idle status</param>
public AzureHttpsDispatcher(AzureQueueManager azureQueueManager, DispatcherInfo info, Binding binding, SharedData sharedData, BrokerObserver observer, BrokerQueueFactory queueFactory, SchedulerAdapterClientFactory schedulerAdapterClientFactory, AutoResetEvent dispatcherIdle)
: base(info, ProxyBinding.BrokerProxyBinding, sharedData, observer, queueFactory, schedulerAdapterClientFactory, dispatcherIdle)
{
AzureDispatcherInfo azureDispatcherInfo = info as AzureDispatcherInfo;
this.azureServiceName = azureDispatcherInfo.AzureServiceName;
this.azureQueueManager = azureQueueManager;
this.azureQueueManager.CreateRequestStorage(this.azureServiceName);
this.responseStorageName =
this.azureQueueManager.Start(azureDispatcherInfo.JobId, azureDispatcherInfo.RequeueCount);
// 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);
}
this.backendBindingData = new BindingData(binding);
}
/// <summary>
/// Build the http 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 BuildHttpFrontend(SharedData sharedData, BrokerObserver observer, BrokerClientManager clientManager, BrokerAuthorization brokerAuth, BindingsSection bindings, AzureQueueProxy azureQueueProxy)
{
FrontendInfo result = new FrontendInfo();
BrokerTracing.TraceVerbose("[FrontEndBuilder] Start building http frontend...");
// Get binding from configuration file
Binding binding = BindingHelper.GetBinding(TransportScheme.Http, sharedData.StartInfo.Secure, bindings);
// 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;
// Get message size and reader quotas
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
{
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,
"Http",
result.MaxMessageSize,
binding.ReceiveTimeout.Ticks,
binding.SendTimeout.Ticks,
binding.MessageVersion.ToString(),
binding.Scheme);
// Generate the http uri
Uri basehttpUri = sharedData.Config.Services.GetBrokerBaseAddress(sharedData.StartInfo.Secure ? HttpsScheme : HttpScheme);
if (basehttpUri == null)
{
basehttpUri = new Uri(sharedData.StartInfo.Secure ? DefaultHttpsFrontEndServiceUri : DefaultHttpFrontEndServiceUri);
}
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 2: Load base address: {0}", basehttpUri);
Uri brokerHttpUri = ApplySessionId(basehttpUri, sharedData.BrokerInfo.SessionId, "Http", sharedData.BrokerInfo.EnableFQDN);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 3: Generate broker uri: {0}", brokerHttpUri);
// Build the frontend
if (sharedData.StartInfo.UseAzureStorage == true)
{
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: AzureQueueFrontEnd");
result.FrontEnd = new AzureQueueFrontEnd(azureQueueProxy, brokerHttpUri, observer, clientManager, brokerAuth, sharedData);
}
else
{
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: HttpFrontEnd");
result.FrontEnd = new RequestReplyFrontEnd <IReplyChannel>(brokerHttpUri, binding, observer, clientManager, brokerAuth, sharedData);
//result.FrontEnd = new OutputInputFrontEnd<IInputChannel>(brokerHttpUri, binding, observer, clientManager, brokerAuth, sharedData);
}
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 4: Build broker frontend succeeded.");
BrokerTracing.EtwTrace.LogFrontendCreated(
sharedData.BrokerInfo.SessionId,
"Http",
result.FrontEnd.ListenUri);
Uri controllerHttpUri = ApplySessionId(basehttpUri, sharedData.BrokerInfo.SessionId, "Http", sharedData.BrokerInfo.EnableFQDN);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 5: Generate controller base address: {0}", controllerHttpUri);
// Bug 3012: Force the http frontend using the singleton instance
result.ControllerFrontend = new ServiceHost(typeof(BrokerController), controllerHttpUri);
BindingHelper.ApplyDefaultThrottlingBehavior(result.ControllerFrontend);
ServiceBehaviorAttribute behavior = result.ControllerFrontend.Description.Behaviors.Find <ServiceBehaviorAttribute>();
Debug.Assert(behavior != null, "BrokerController must have a behavior.");
behavior.InstanceContextMode = InstanceContextMode.Single;
ServiceEndpoint endpoint = result.ControllerFrontend.AddServiceEndpoint(typeof(IController), binding, DefaultControllerPostfix);
if (sharedData.StartInfo.UseAzureStorage == true)
{
endpoint.Behaviors.Add(new ControllerFrontendProvider(true, clientManager, brokerAuth, observer, azureQueueProxy));
}
else
{
endpoint.Behaviors.Add(new ControllerFrontendProvider(true, clientManager, brokerAuth, observer, null));
}
result.ControllerUri = endpoint.ListenUri.AbsoluteUri;
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 6: Build controller frontend succeeded: ControllerUri = {0}", result.ControllerUri);
result.GetResponseUri = null;
BrokerTracing.TraceVerbose("[FrontEndBuilder] Building http frontend succeeded.");
BrokerTracing.EtwTrace.LogFrontendControllerCreated(
sharedData.BrokerInfo.SessionId,
"Http",
result.ControllerUri,
String.Empty);
return(result);
}
/// <summary>
/// Build the NetHttp 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 BuildNetHttpFrontend(SharedData sharedData, BrokerObserver observer, BrokerClientManager clientManager, BrokerAuthorization brokerAuth, BindingsSection bindings)
{
FrontendInfo result = new FrontendInfo();
BrokerTracing.TraceVerbose("[FrontEndBuilder] Start building NetHttp frontend...");
// Get binding from configuration file
Binding binding = BindingHelper.GetBinding(TransportScheme.NetHttp, sharedData.StartInfo.Secure, bindings);
// 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,
"NetHttp",
result.MaxMessageSize,
binding.ReceiveTimeout.Ticks,
binding.SendTimeout.Ticks,
binding.MessageVersion.ToString(),
binding.Scheme);
// Generate the http uri
Uri basehttpUri = sharedData.Config.Services.GetBrokerBaseAddress(sharedData.StartInfo.Secure ? HttpsScheme : HttpScheme);
if (basehttpUri == null)
{
basehttpUri = new Uri(sharedData.StartInfo.Secure ? DefaultHttpsFrontEndServiceUri : DefaultHttpFrontEndServiceUri);
}
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 2: Load base address: {0}", basehttpUri);
Uri brokerNetHttpUri = ApplySessionId(basehttpUri, sharedData.BrokerInfo.SessionId, "NetHttp", sharedData.BrokerInfo.EnableFQDN);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 3: Generate broker uri: {0}", brokerNetHttpUri);
// Build the frontend
result.FrontEnd = new DuplexFrontEnd(brokerNetHttpUri, binding, observer, clientManager, brokerAuth, sharedData);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 4: Build broker frontend succeeded.");
BrokerTracing.EtwTrace.LogFrontendCreated(
sharedData.BrokerInfo.SessionId,
"NetHttp",
result.FrontEnd.ListenUri);
Uri controllerNetHttpUri = ApplySessionId(basehttpUri, sharedData.BrokerInfo.SessionId, "NetHttp", sharedData.BrokerInfo.EnableFQDN);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 5: Generate controller base address: {0}", controllerNetHttpUri);
result.ControllerFrontend = new ServiceHost(typeof(BrokerController), controllerNetHttpUri);
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;
BrokerTracing.TraceVerbose("[FrontEndBuilder] Build frontend: Step 6: Build controller frontend succeeded: ControllerUri = {0}, GetResponseUri = {1}", result.ControllerUri, result.GetResponseUri);
BrokerTracing.TraceVerbose("[FrontEndBuilder] Building NetHttp frontend succeeded.");
BrokerTracing.EtwTrace.LogFrontendControllerCreated(
sharedData.BrokerInfo.SessionId,
"NetHttp",
result.ControllerUri,
result.GetResponseUri);
return(result);
}
