private void DoWork()
{
HttpListenerContext context;
bool hasRequest = requestQueue.TryDequeue(out context);
while (hasRequest || listener.IsListening)
{
while (hasRequest)
{
context.Response.StatusCode = 200;
try
{
Request request;
if (TryDecodeRequest(context.Request, out request))
{
var response = requestProcessor.Process(request);
context.Response.Headers["status"] = ((int)response.Status).ToString(CultureInfo.InvariantCulture);
context.Response.Headers["data-length"] = response.Data.Length.ToString(CultureInfo.InvariantCulture);
context.Response.OutputStream.Write(response.Data, 0, response.Data.Length);
}
else
{
context.Response.Headers["status"] = ((int)ResponseStatus.BadRequest).ToString(CultureInfo.InvariantCulture);
context.Response.Headers["data-length"] = "0";
}
}
catch (Exception ex)
{
logger.NetworkingException("Processing a request failed unexpectedly", ex);
context.Response.Headers["status"] = ((int)ResponseStatus.InternalServerError).ToString(CultureInfo.InvariantCulture);
context.Response.Headers["data-length"] = "0";
}
finally
{
try
{
context.Response.Close();
}
catch (Exception ex)
{
logger.NetworkingException("Closing a response stream failed", ex);
}
}
hasRequest = requestQueue.TryDequeue(out context);
}
Thread.Sleep(1);
hasRequest = requestQueue.TryDequeue(out context);
}
}
private async Task DoWork(HttpListenerContext context)
{
try
{
Request request;
if (TryDecodeRequest(context.Request, out request))
{
var response = await requestProcessor.Process(request);
context.Response.StatusCode = (int)response.Status;
context.Response.ContentLength64 = response.Data.Length;
context.Response.OutputStream.Write(response.Data, 0, response.Data.Length);
}
else
{
logger.Error(string.Format("Failed to decode request '{0}'", context.Request.Url));
context.Response.StatusCode = (int)ResponseStatus.BadRequest;
context.Response.ContentLength64 = 0;
}
}
catch (Exception ex)
{
logger.NetworkingException("Processing a request failed unexpectedly", ex);
context.Response.StatusCode = (int)ResponseStatus.InternalServerError;
context.Response.ContentLength64 = 0;
}
finally
{
try
{
context.Response.Close();
}
catch (Exception ex)
{
logger.NetworkingException("Closing a response stream failed", ex);
}
}
}
private byte[] Process(byte[] inputData)
{
Request requestData = null;
if (!TryDecodeRequest(inputData, out requestData))
{
return(BitConverter.GetBytes((int)ResponseStatus.BadRequest));
}
Task <Response> task = requestProcessor.Process(requestData);
task.Wait();
Response response = task.Result;
byte[] statusByte = BitConverter.GetBytes((int)response.Status);
byte[] result = new byte[statusByte.Length + response.Data.Length];
Buffer.BlockCopy(statusByte, 0, result, 0, statusByte.Length);
Buffer.BlockCopy(response.Data, 0, result, statusByte.Length, response.Data.Length);
return(result);
}
