public override void StartClient(GetNextRequestState state)
{
if (state != null)
{
state.Invoke();
}
}
/// <summary>
/// Async open the connection and start to process requests.
/// </summary>
public void AsyncStart(GetNextRequestState state, int serviceOperationTimeout)
{
BrokerTracing.TraceVerbose("[AzureServiceClient]. AsyncStart is called.");
this.serviceOperationTimeout = serviceOperationTimeout;
Guid clientGuid = this.ServiceClient.ClientGuid;
if (Interlocked.CompareExchange(ref this.clientOpenAsync, 1, 0) == 0)
{
if (state != null)
{
lock (this.SyncObjForStateList)
{
// this.stateList cannot be null before BeginOpen is called.
BrokerTracing.TraceVerbose("[AzureServiceClient]. AsyncStart: Add async state to the list before BeginOpen is called, client {0}", clientGuid);
this.stateList.Add(state);
}
}
BrokerTracing.TraceVerbose("[AzureServiceClient]. AsyncStart: BeginOpen the client {0}", clientGuid);
ThreadPool.QueueUserWorkItem(
new ThreadHelper <object>(new WaitCallback(AzureServiceClient.AsyncStartWorker)).CallbackRoot,
new object[] { this, this.serviceOperationTimeout });
}
else
{
BrokerTracing.TraceVerbose("[AzureServiceClient]. AsyncStart: BeginOpen is already called, client {0}", clientGuid);
if (state != null)
{
lock (this.SyncObjForStateList)
{
if (this.stateList != null)
{
BrokerTracing.TraceVerbose("[AzureServiceClient]. AsyncStart: Add async state to the list after BeginOpen is called, client {0}", clientGuid);
this.stateList.Add(state);
}
else
{
// if this.stateList is null, TriggerGetNextRequest is already called.
BrokerTracing.TraceVerbose("[AzureServiceClient]. AsyncStart: Call GetNextRequest method, client {0}", clientGuid);
state.Invoke();
}
}
}
}
}