public static void BasicHttp_Streamed_Async_Delayed_Request_Throws_TimeoutException()
{
BasicHttpBinding binding = null;
ChannelFactory<IWcfService> factory = null;
IWcfService serviceProxy = null;
Stream stream = null;
int sendTimeoutMs = 3000;
try
{
// *** SETUP *** \\
binding = new BasicHttpBinding(BasicHttpSecurityMode.None);
binding.TransferMode = TransferMode.Streamed;
binding.SendTimeout = TimeSpan.FromMilliseconds(sendTimeoutMs);
factory = new ChannelFactory<IWcfService>(binding, new EndpointAddress(Endpoints.HttpBaseAddress_Basic));
serviceProxy = factory.CreateChannel();
// Create a read stream that deliberately times out during the async read during the request.
// We also intercept the synchronous read because that path can also be executed during
// an async read.
stream = new TestMockStream()
{
CopyToAsyncFunc = (Stream destination, int bufferSize, CancellationToken ct) =>
{
Task.Delay(sendTimeoutMs * 2).Wait();
return null;
},
ReadFunc = (byte[] buffer, int offset, int count) =>
{
Task.Delay(sendTimeoutMs * 2).Wait();
return -1;
}
};
// *** EXECUTE *** \\
Assert.Throws<TimeoutException>(() =>
{
var unused = serviceProxy.EchoStreamAsync(stream).GetAwaiter().GetResult();
});
// *** VALIDATE *** \\
// *** CLEANUP *** \\
((ICommunicationObject)serviceProxy).Close();
factory.Close();
}
finally
{
// *** ENSURE CLEANUP *** \\
ScenarioTestHelpers.CloseCommunicationObjects((ICommunicationObject)serviceProxy, factory);
}
}
public static void BasicHttp_Streamed_Async_Delayed_And_Aborted_Request_Throws_TimeoutException()
{
// This test is a regression test that verifies an issue discovered where exceeding the timeout
// and aborting the channel before the client's Task completed led to incorrect error handling.
BasicHttpBinding binding = null;
ChannelFactory<IWcfService> factory = null;
IWcfService serviceProxy = null;
Stream stream = null;
int sendTimeoutMs = 3000;
try
{
// *** SETUP *** \\
binding = new BasicHttpBinding(BasicHttpSecurityMode.None);
binding.TransferMode = TransferMode.Streamed;
binding.SendTimeout = TimeSpan.FromMilliseconds(sendTimeoutMs);
factory = new ChannelFactory<IWcfService>(binding, new EndpointAddress(Endpoints.HttpBaseAddress_Basic));
serviceProxy = factory.CreateChannel();
// Create a read stream that will both timeout and then abort the proxy channel when the
// async read is called. We also intercept the synchronous read because that path can also
// be executed during an async read.
stream = new TestMockStream()
{
CopyToAsyncFunc = (Stream destination, int bufferSize, CancellationToken ct) =>
{
// Abort to force the internal HttpClientChannelAsyncRequest.Cleanup()
// to clear its data structures before the client's Task completes.
Task.Delay(sendTimeoutMs * 2).Wait();
((ICommunicationObject)serviceProxy).Abort();
return null;
},
ReadFunc = (byte[] buffer, int offset, int count) =>
{
// Abort to force the internal HttpClientChannelAsyncRequest.Cleanup()
// to clear its data structures before the client's Task completes.
Task.Delay(sendTimeoutMs * 2).Wait();
((ICommunicationObject)serviceProxy).Abort();
return -1;
}
};
// *** EXECUTE *** \\
Assert.Throws<TimeoutException>(() =>
{
var unused = serviceProxy.EchoStreamAsync(stream).GetAwaiter().GetResult();
});
// *** VALIDATE *** \\
// *** CLEANUP *** \\
((ICommunicationObject)serviceProxy).Close();
factory.Close();
}
finally
{
// *** ENSURE CLEANUP *** \\
ScenarioTestHelpers.CloseCommunicationObjects((ICommunicationObject)serviceProxy, factory);
}
}