private async Task HandleResultPoll(HttpContext context, ServiceId serviceId, MethodId methodId, string intentId)
{
var rfc7240Preferences = context.Request.Headers.GetRFC7240Preferences();
ITaskResult taskResult = null;
var waitTime = rfc7240Preferences.Wait;
if (waitTime > MaxLongPollTime)
{
waitTime = MaxLongPollTime;
}
if (waitTime <= TimeSpan.Zero)
{
taskResult = await _routineCompletionNotifier.TryPollCompletionAsync(serviceId, methodId, intentId, default);
}
else
{
taskResult = await TryWaitForResultAsync(serviceId, methodId, intentId, waitTime);
}
if (taskResult == null)
{
context.Response.Headers.Add("Date", DateTimeOffset.Now.ToString("u"));
context.Response.StatusCode = DasyncHttpCodes.Running;
}
else
{
var compress = context.Request.Headers.ContainsValue("Accept-Encoding", "gzip");
var useEnvelope = context.Request.Headers.TryGetValue(DasyncHttpHeaders.Envelope, out _);
var serializer = GetSerializer(context.Request.GetContentType(), isQueryRequest: true);
await RespondWithMethodResult(context.Response, taskResult, serializer, useEnvelope, compress);
}
}
private async Task HandleResultPoll(HttpContext context, string serviceName, string methodName, string intentId)
{
var rfc7240Preferences = GetPreferences(context.Request.Headers);
var serviceId = new ServiceId
{
ServiceName = serviceName
};
var methodId = new RoutineMethodId
{
MethodName = methodName
};
TaskResult taskResult = null;
var waitTime = rfc7240Preferences.Wait;
if (waitTime > MaxLongPollTime)
{
waitTime = MaxLongPollTime;
}
if (waitTime <= TimeSpan.Zero)
{
taskResult = await _routineCompletionNotifier.TryPollCompletionAsync(serviceId, methodId, intentId, default);
}
else
{
var cts = new CancellationTokenSource();
try
{
var completionSink = new TaskCompletionSource <TaskResult>();
_routineCompletionNotifier.NotifyCompletion(serviceId, methodId, intentId, completionSink, cts.Token);
taskResult = await completionSink.Task.WithTimeout(waitTime);
}
catch (TaskCanceledException)
{
cts.Cancel();
}
}
if (taskResult == null)
{
context.Response.Headers.Add("Date", DateTimeOffset.Now.ToString("u"));
context.Response.StatusCode = 304; // Not Modified
}
else
{
var contentType = context.Request.GetContentType();
var isDasyncJsonRequest = string.Equals(contentType.MediaType, "application/dasync+json", StringComparison.OrdinalIgnoreCase);
await RespondWithRoutineResult(context, taskResult, isDasyncJsonRequest);
}
}
