public async Task <IAppConnection> HandleAsync(ITransportConnection connection)
{
Log.Trace("Accepting new connection {0}", connection.Id);
var channel = await connection.IncomingChannels.ReadAsync().ConfigureAwait(false);
var frame = await channel.In.ReadAsync().ConfigureAwait(false);
using (var payload = frame.Payload)
using (var connectRequest = _serializer.DeserializeConnectRequest(payload))
{
if (!_registryService.IsApplicationDefined(connectRequest.ApplicationId))
{
throw new BrokerException($"Connection rejected because application id is unknown to broker: {connectRequest.ApplicationId}");
}
using (var connectResponse = _messageFactory.CreateConnectResponse(connection.Id))
{
var serializedResponse = _serializer.Serialize(connectResponse);
try
{
Log.Trace("Sending connect response ({0} bytes): {1}", connectResponse, serializedResponse.Count);
await channel.Out.WriteAsync(new TransportMessageFrame(serializedResponse)).ConfigureAwait(false);
}
catch
{
serializedResponse.Dispose();
throw;
}
channel.Out.TryComplete();
await channel.Completion.ConfigureAwait(false);
var info =
new AppConnectionDescriptor(
connectResponse.ConnectionId,
connectRequest.ApplicationId,
connectRequest.ApplicationInstanceId);
var clientConnection = _connectionTracker.AcceptConnection(connection, info);
Log.Info("New connection accepted: {0}", clientConnection);
return(clientConnection);
}
}
}
private async Task ProcessConnectionAsync(object state)
{
var transportConnection = (ITransportConnection)state;
Log.Debug("Accepting new incoming connection {0}", transportConnection.Id);
var appConnectionDescriptor = await _authenticationHandler.AuthenticateAsync(transportConnection).ConfigureAwait(false);
Log.Debug("New connection authenticated: {0}", appConnectionDescriptor);
var clientConnection = _appLifecycleManager.AcceptConnection(transportConnection, appConnectionDescriptor);
try
{
Log.Info("New connection accepted: {0}", clientConnection);
var clientConnectionProcessor = new AppConnectionProcessor(clientConnection, _clientRequestHandler);
await clientConnectionProcessor.ProcessAsync(() => _appLifecycleManager.TryRemoveConnection(clientConnection)).ConfigureAwait(false);
}
finally
{
_appLifecycleManager.TryRemoveConnection(clientConnection);
}
}