public Envelope Send(Envelope envelope, Uri address, IEnvelopeSerializer serializer, IMessageCallback callback = null)
{
ITransport transport = null;
if (_transports.TryGetValue(address.Scheme, out transport))
{
var sending = envelope.Clone();
var channel = TryGetChannel(address);
// TODO -- look up channel node modifiers if any
// TODO -- there's a little opportunity here to try to reuse the serialization
// if you send to more than one channel at a time w/ the same serializer
if (sending.Data == null || sending.Data.Length == 0)
{
serializer.Serialize(sending, channel);
}
sending.AcceptedContentTypes = AcceptedContentTypes.ToArray();
if (channel != null)
{
sending.Destination = channel.Destination;
sending.ReplyUri = channel.ReplyUri;
if (callback == null)
{
channel.Sender.Send(sending.Data, sending.Headers);
}
else
{
callback.Send(sending);
}
}
else
{
sending.Destination = address;
sending.ReplyUri = transport.DefaultReplyUri();
if (callback == null)
{
transport.Send(sending.Destination, sending.Data, sending.Headers);
}
else
{
callback.Send(sending);
}
}
return(sending);
}
else
{
throw new InvalidOperationException($"Unrecognized transport scheme '{address.Scheme}'");
}
}
private static async Task sendToStaticChannel(IMessageCallback callback, Envelope sending, IChannel channel)
{
sending.Destination = channel.Destination;
sending.ReplyUri = channel.ReplyUri;
if (callback == null || !callback.SupportsSend && callback.TransportScheme == sending.Destination.Scheme)
{
await channel.Send(sending).ConfigureAwait(false);
}
else
{
await callback.Send(sending).ConfigureAwait(false);
}
}
private static async Task sendToDynamicChannel(Uri address, IMessageCallback callback, Envelope sending, ITransport transport)
{
sending.Destination = address;
sending.ReplyUri = transport.DefaultReplyUri();
if (callback == null || !callback.SupportsSend && callback.TransportScheme == sending.Destination.Scheme)
{
await transport.Send(sending, sending.Destination).ConfigureAwait(false);
}
else
{
await callback.Send(sending).ConfigureAwait(false);
}
}