protected override async Task HandleCallAsyncCore(HttpContext httpContext, HttpContextServerCallContext serverCallContext)
{
// Disable request body data rate for client streaming
DisableMinRequestBodyDataRateAndMaxRequestBodySize(httpContext);
TResponse?response;
var streamReader = new HttpContextStreamReader <TRequest>(serverCallContext, MethodInvoker.Method.RequestMarshaller.ContextualDeserializer);
try
{
response = await _invoker.Invoke(httpContext, serverCallContext, streamReader);
}
finally
{
streamReader.Complete();
}
if (response == null)
{
// This is consistent with Grpc.Core when a null value is returned
throw new RpcException(new Status(StatusCode.Cancelled, "No message returned from method."));
}
// Check if deadline exceeded while method was invoked. If it has then skip trying to write
// the response message because it will always fail.
// Note that the call is still going so the deadline could still be exceeded after this point.
if (serverCallContext.DeadlineManager?.IsDeadlineExceededStarted ?? false)
{
return;
}
var responseBodyWriter = httpContext.Response.BodyWriter;
await responseBodyWriter.WriteSingleMessageAsync(response, serverCallContext, MethodInvoker.Method.ResponseMarshaller.ContextualSerializer);
}
protected override async Task HandleCallAsyncCore(HttpContext httpContext, HttpContextServerCallContext serverCallContext)
{
// Disable request body data rate for client streaming
DisableMinRequestBodyDataRateAndMaxRequestBodySize(httpContext);
var streamReader = new HttpContextStreamReader <TRequest>(serverCallContext, MethodInvoker.Method.RequestMarshaller.ContextualDeserializer);
var response = await _invoker.Invoke(httpContext, serverCallContext, streamReader);
if (response == null)
{
// This is consistent with Grpc.Core when a null value is returned
throw new RpcException(new Status(StatusCode.Cancelled, "No message returned from method."));
}
if (serverCallContext.DeadlineManager != null && serverCallContext.DeadlineManager.CancellationToken.IsCancellationRequested)
{
// The cancellation token has been raised. Ensure that any DeadlineManager tasks have
// been completed before continuing.
await serverCallContext.DeadlineManager.CancellationProcessedTask;
// There is no point trying to write to the response because it has been finished.
if (serverCallContext.DeadlineManager.CallComplete)
{
return;
}
}
var responseBodyWriter = httpContext.Response.BodyWriter;
await responseBodyWriter.WriteMessageAsync(response, serverCallContext, MethodInvoker.Method.ResponseMarshaller.ContextualSerializer, canFlush : false);
}
protected override async Task HandleCallAsyncCore(HttpContext httpContext, HttpContextServerCallContext serverCallContext)
{
// Disable request body data rate for client streaming
DisableMinRequestBodyDataRateAndMaxRequestBodySize(httpContext);
var streamReader = new HttpContextStreamReader <TRequest>(serverCallContext, MethodInvoker.Method.RequestMarshaller.ContextualDeserializer);
var response = await _invoker.Invoke(httpContext, serverCallContext, streamReader);
if (response == null)
{
// This is consistent with Grpc.Core when a null value is returned
throw new RpcException(new Status(StatusCode.Cancelled, "No message returned from method."));
}
var responseBodyWriter = httpContext.Response.BodyWriter;
await responseBodyWriter.WriteMessageAsync(response, serverCallContext, MethodInvoker.Method.ResponseMarshaller.ContextualSerializer, canFlush : false);
}