public void TestMaxPendingLimit()
{
TaskCompletionSource <bool> serverBlocker = new TaskCompletionSource <bool>();
var serverMessages = 0;
LeanIPC.RequestHandler serverHandler = async(message) =>
{
System.Threading.Interlocked.Increment(ref serverMessages);
await serverBlocker.Task;
if (message.Arguments == null || message.Arguments.Length == 0)
{
return(RequestHandlerResponse.FromResult((object)null));
}
return(new RequestHandlerResponse(message.Types, message.Arguments));
};
using (var setup = new ClientServerTester(serverHandler, EchoMethod))
{
setup.Client.MaxPendingRequests = 10;
var sendTasks = Enumerable
.Range(0, 20)
.Select(x =>
setup.GuardedOperationAsync(() => setup.Client.SendAndWaitAsync <int, int>(x))
)
.ToArray();
// Make sure the requests have propagated
System.Threading.Thread.Sleep(1000);
if (serverMessages != setup.Client.MaxPendingRequests)
{
throw new Exception($"Server got {serverMessages} messages but the pending limit is {setup.Client.MaxPendingRequests}");
}
// Trigger a resend
setup.Client.MaxPendingRequests = 15;
System.Threading.Thread.Sleep(1000);
if (serverMessages != setup.Client.MaxPendingRequests)
{
throw new Exception($"Server got {serverMessages} messages but the pending limit is {setup.Client.MaxPendingRequests}");
}
// Trigger a no-op resend
setup.Client.MaxPendingRequests = 10;
System.Threading.Thread.Sleep(1000);
if (serverMessages != 15)
{
throw new Exception($"Server got {serverMessages} messages but the pending limit is {15}");
}
serverBlocker.TrySetResult(true);
Task.WhenAll(sendTasks).Wait();
if (serverMessages != 20)
{
throw new Exception($"Server got {serverMessages} messages but should have {12}");
}
}
}
private static Task <RequestHandlerResponse> EchoMethod(ParsedMessage message)
{
if (message.Arguments == null || message.Arguments.Length == 0)
{
return(Task.FromResult(RequestHandlerResponse.FromResult((object)null)));
}
return(Task.FromResult(new RequestHandlerResponse(message.Types, message.Arguments)));
}
