public void CallbackToSyncContext()
{
var path = @"net.pipe://127.0.0.1/" + this.GetType().Name + MethodBase.GetCurrentMethod().Name;
var binding = new NetNamedPipeBinding(NetNamedPipeSecurityMode.None)
{
MaxConnections = 5
};
using (var server = new ServiceHost(new SyncCallbackService(), new Uri(path)))
{
server.AddServiceEndpoint(typeof(ISyncCallbackService), binding, path);
server.Open();
using (var syncContext = new StaSynchronizationContext())
{
InstanceContext context = null;
DuplexChannelFactory <ISyncCallbackService> channelFactory = null;
ISyncCallbackService client = null;
syncContext.Send(_ => SynchronizationContext.SetSynchronizationContext(syncContext), null);
syncContext.Send(_ => context = new InstanceContext(new SyncCallbackServiceCallback()), null);
syncContext.Send(_ => channelFactory = new DuplexChannelFactory <ISyncCallbackService>(context, binding), null);
syncContext.Send(_ => client = channelFactory.CreateChannel(new EndpointAddress(path)), null);
using (channelFactory)
{
var callbackThread = client.Call();
Assert.AreEqual(syncContext.ManagedThreadId, callbackThread);
}
}
}
}
protected ServiceMetadata EnsureMetadataInitialized()
{
Func <ServiceMetadata> factory = () => { _synchronizer.Send(InitMetadata, this); return(this._serviceMetadata); };
System.Threading.LazyInitializer.EnsureInitialized <ServiceMetadata>(ref this._serviceMetadata, factory);
return(this._serviceMetadata);
}
private static void NonStaThread(object state)
{
int id = Thread.CurrentThread.ManagedThreadId;
for (int i = 0; i < 10; i++)
{
var param = new Params {
OriginalThread = id, CallCounter = i
};
mStaSyncContext.Send(RunOnStaThread, param);
Debug.Assert(param.Output == "Processed", "Unexpected behavior by STA thread");
}
}
public static void ExecuteOnSTA(SendOrPostCallback action, object state)
{
_synchronizer.Send(action, state);
}