internal BrokerWorkerControllerQueueWatcher(IController instance, string connectionString, string sessionId)
{
this.instance = instance;
CloudQueueSerializer serializer = new CloudQueueSerializer(CloudQueueCmdTypeBinder.BrokerLauncherBinder);
this.QueueListener = new CloudQueueListener <CloudQueueCmdDto>(
connectionString,
CloudQueueConstants.GetBrokerWorkerControllerRequestQueueName(sessionId),
serializer,
this.InvokeInstanceMethodFromCmdObj);
this.QueueWriter = new CloudQueueWriter <CloudQueueResponseDto>(connectionString, CloudQueueConstants.GetBrokerWorkerControllerResponseQueueName(sessionId), serializer);
this.QueueListener.StartListen();
this.RegisterCmdDelegates();
Trace.TraceInformation("BrokerWorkerControllerQueueWatcher started.");
}
/// <summary>
/// Run the broker
/// </summary>
/// <param name="startInfo">session start info</param>
/// <param name="brokerInfo">indicate the broker start info</param>
/// <returns>initialization result</returns>
public BrokerInitializationResult Run(SessionStartInfoContract startInfo, BrokerStartInfo brokerInfo)
{
BrokerTracing.TraceEvent(System.Diagnostics.TraceEventType.Information, 0, "[BrokerEntry] Broker is starting initialization, ID = {0}", brokerInfo.SessionId);
try
{
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: ClusterTopology is {0}", brokerInfo.NetworkTopology);
// Step 1: Initialize configuration and shared data
ServiceConfiguration serviceConfig;
BrokerConfigurations brokerConfig;
BindingsSection bindings;
SoaCommonConfig.WithoutSessionLayer = startInfo.IsNoSession; // TODO: this is a hack. Working mode should be decided by something like a *SchedulerType* filed.
ConfigurationHelper.LoadConfiguration(startInfo, brokerInfo, out brokerConfig, out serviceConfig, out bindings);
this.sharedData = new SharedData(brokerInfo, startInfo, brokerConfig, serviceConfig);
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 1: Loading configuration and shared data succeeded.");
Debug.WriteLine($"[BrokerEntry](Debug) UseAad:{startInfo.UseAad}");
// Step 2: Initialize broker queue
ClientInfo[] clientInfo;
this.brokerQueueFactory = BrokerEntry.InitBrokerQueue(this.sharedData, out clientInfo);
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 2: Initialize broker queue succeeded.");
// Step 3: Initialize observer
this.observer = new BrokerObserver(this.sharedData, clientInfo);
this.sharedData.Observer = this.observer;
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 3: Initialize broker observer succeeded.");
// Step 4: Initialize state manager
this.stateManager = new BrokerStateManager(this.sharedData, clientInfo.Length != 0);
this.stateManager.UnloadBroker += this.UnloadBroker;
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 4: Initialize broker state manager succeeded.");
// Step 5: Initialize service job monitor
var context = TelepathyContext.GetOrAdd(this.sharedData.BrokerInfo.Headnode);
if (SoaCommonConfig.WithoutSessionLayer)
{
this.monitor = new DummyServiceJobMonitor(this.sharedData, this.stateManager, this.nodeMappingData, context);
}
else
{
this.monitor = new ServiceJobMonitor.ServiceJobMonitor(this.sharedData, this.stateManager, this.nodeMappingData, context);
}
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 5: Initialize service job monitor succeeded.");
// Step 6: Initalize broker authorization
this.brokerAuth = BrokerEntry.BuildBrokerAuthorization(this.sharedData);
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 6: Initialize broker authorization succeeded.");
// Step 7: Initialize dispatcher manager
DispatcherManager dispatcherManager = new DispatcherManager(bindings, this.sharedData, this.observer, this.monitor, this.brokerQueueFactory, context);
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 7: Initialize dispatcher manager succeeded.");
// Step 8: Start service job monitor
this.monitor.Start(startInfo, dispatcherManager, this.observer).GetAwaiter().GetResult();
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 8: Start service job monitor succeeded.");
// Step 9: Initailize client manager
this.clientManager = new BrokerClientManager(clientInfo, this.brokerQueueFactory, this.observer, this.stateManager, this.monitor, this.sharedData);
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 9: Initialize client manager succeeded.");
// if using AzureQueue, retrieve the connection string and build the request and response message queues if not exist
string[] requestQueueUris = { };
string requestBlobUri = string.Empty;
string controllerRequestQueueUri = string.Empty;
string controllerResponseQueueUri = string.Empty;
if (startInfo.UseAzureStorage)
{
int clusterHash = 0;
if (!string.IsNullOrEmpty(brokerInfo.ClusterId))
{
string clusterIdString = brokerInfo.ClusterId.ToLowerInvariant();
clusterHash = clusterIdString.GetHashCode();
}
else if (!string.IsNullOrEmpty(brokerInfo.ClusterName))
{
string clusterNameString = brokerInfo.ClusterName.ToLowerInvariant();
clusterHash = clusterNameString.GetHashCode();
}
else
{
throw new InvalidOperationException($"Both {nameof(brokerInfo.ClusterId)} and {nameof(brokerInfo.ClusterName)} are null or empty. No {nameof(clusterHash)} can be determined.");
}
if (!string.IsNullOrEmpty(brokerInfo.AzureStorageConnectionString))
{
this.azureQueueProxy = new AzureQueueProxy(brokerInfo.ClusterName, clusterHash, this.SessionId, brokerInfo.AzureStorageConnectionString);
requestQueueUris = this.azureQueueProxy.RequestQueueUris;
requestBlobUri = this.azureQueueProxy.RequestBlobUri;
var requestQName = CloudQueueConstants.GetBrokerWorkerControllerRequestQueueName(this.SessionId);
var responseQName = CloudQueueConstants.GetBrokerWorkerControllerResponseQueueName(this.SessionId);
controllerRequestQueueUri = CloudQueueCreationModule.CreateCloudQueueAndGetSas(
brokerInfo.AzureStorageConnectionString,
requestQName,
CloudQueueCreationModule.AddMessageSasPolicy).GetAwaiter().GetResult();
controllerResponseQueueUri = CloudQueueCreationModule.CreateCloudQueueAndGetSas(
brokerInfo.AzureStorageConnectionString,
responseQName,
CloudQueueCreationModule.ProcessMessageSasPolicy).GetAwaiter().GetResult();
if (this.SessionId == SessionStartInfo.StandaloneSessionId)
{
CloudQueueCreationModule.ClearCloudQueuesAsync(brokerInfo.AzureStorageConnectionString, new[] { requestQName, responseQName });
}
}
else
{
BrokerTracing.TraceError("[BrokerEntry] Initialization: Use Azure Queue is specified, however the Azure connection string is not set.");
ThrowHelper.ThrowSessionFault(SOAFaultCode.Broker_AzureConnectionStringNotAvailable, SR.Broker_AzureConnectionStringNotAvailable);
}
}
// Step 10: Initialize frontend
this.frontendResult = FrontEndBuilder.BuildFrontEnd(this.sharedData, this.observer, this.clientManager, this.brokerAuth, bindings, this.azureQueueProxy);
////this.maxMessageSize = (int)this.frontendResult.MaxMessageSize;
////this.readerQuotas = this.frontendResult.ReaderQuotas;
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 10: Initialize frontend succeeded.");
// Step 11: Start frontend, Initialization finished after this step
this.OpenFrontend();
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 11: Open frontend succeeded.");
// Step 12: Build initialization result and retrun to client
BrokerInitializationResult result = BrokerEntry.BuildInitializationResult(
this.frontendResult,
dispatcherManager,
this.sharedData.Config.LoadBalancing.ServiceOperationTimeout,
this.sharedData.Config.Monitor.ClientBrokerHeartbeatInterval,
this.sharedData.Config.Monitor.ClientBrokerHeartbeatRetryCount,
requestQueueUris,
requestBlobUri,
controllerRequestQueueUri,
controllerResponseQueueUri,
startInfo.UseAzureStorage);
BrokerTracing.TraceVerbose("[BrokerEntry] Initialization: Step 12: Build initialization result suceeded.");
BrokerTracing.TraceInfo("[BrokerEntry] Initialization succeeded.");
return(result);
}
catch (Exception ex)
{
BrokerTracing.TraceError(ex.ToString());
throw;
}
finally
{
if (this.sharedData != null)
{
this.sharedData.InitializationFinished();
}
}
}
