public override async Task <TransportResponse> Send(Message message, CancellationToken token)
{
using (new SemaphoreScope(_semaphore))
{
// Create the request.
_logger.Write(BayeuxLogLevel.Debug, "[REQUEST] Channel = {0}", message.Channel);
var request = CreateRequest(message);
// Get the response.
var response = await _client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, token);
if (response.StatusCode != HttpStatusCode.OK)
{
_logger.Write(BayeuxLogLevel.Warning, "[REQUEST] Received HTTP Status Code {0} for channel {1}.",
response.StatusCode, message.Channel);
return(null);
}
var stream = await response.Content.ReadAsStreamAsync();
var result = new TransportResponse();
using (var reader = new StreamReader(stream))
{
while (true)
{
var json = await reader.ReadLineAsync().WithCancellation(token);
if (json == null)
{
break;
}
var replies = JsonConvert.DeserializeObject <Envelope>(json);
foreach (var reply in replies)
{
if (reply.Channel == message.Channel)
{
_logger.Write(BayeuxLogLevel.Debug,
"[RESPONSE] Channel = {0}, ClientId = {1}, Error = {2}", reply.Channel,
reply.ClientId, reply.Error ?? "No error");
result.Response = reply;
}
else
{
if (result.Messages == null)
{
result.Messages = new List <Message>();
}
_logger.Write(BayeuxLogLevel.Debug, "[MESSAGE] Channel = {0}", reply.Channel);
result.Messages.Add(reply);
}
}
}
}
return(result);
}
}
private void FlushMessages(TransportResponse result, CancellationToken token)
{
if (result?.Messages != null)
{
foreach (var message in result.Messages)
{
token.ThrowIfCancellationRequested();
_queue.Enqueue(message);
}
}
}
