public override void Handle(IMessage message)
{
var type = message.GetType();
Log.Trace($"Message {message.MsgId} (Type {type.Name}) to be sent over TCP.");
if (TcpConnections == null)
{
Log.Debug($"TCP connection not yet established - Message {message.MsgId} (Type {type.Name}) will be discarded.");
return;
}
try
{
if (TcpConnections.IsEmpty())
{
Log.Error("Cannot send a message without a connection.");
return;
}
var connection = TcpConnections.First();
if (!MessageSerializers.TryGetValue(type, out var serializer))
{
serializer = new SimpleJsonSerializer();
}
var json = serializer.SerializeMessage(message);
var data = Encoder.ToBytes(json, type);
var framed = Framer.FrameData(data);
connection.EnqueueSend(framed);
}
catch (Exception ex)
{
Log.ErrorException(ex, $"Exception caught while handling Message {message.MsgId} (Type {type.Name})");
}
}
public override void Handle(IMessage message)
{
// The server side does not initiate communication. The only messages it will ever send are
// CommandResponses back to a client who sent a Command.
var type = message.GetType();
if (!(message is CommandResponse cmdResponse))
{
Log.Debug($"Cannot send a message of type {type.Name} from a server-side TCP bus.");
return;
}
Log.Trace($"Message {message.MsgId} (Type {type.Name}) to be sent over TCP.");
if (TcpConnections.IsEmpty())
{
Log.Debug($"TCP connection not yet established - Message {message.MsgId} (Type {type.Name}) will be discarded.");
return;
}
try
{
// Send the CommandResponse back to the endpoint where the Command originated.
var connectionId = _messageRouting[cmdResponse.SourceCommand.MsgId];
var connection = TcpConnections.FirstOrDefault(x => x.ConnectionId == connectionId);
if (connection is null)
{
throw new Exception("Could not find a TCP connection to use for sending the message.");
}
if (!MessageSerializers.TryGetValue(type, out var serializer))
{
serializer = new SimpleJsonSerializer();
}
var json = serializer.SerializeMessage(message);
var data = Encoder.ToBytes(json, type);
var framed = Framer.FrameData(data);
connection.EnqueueSend(framed);
}
catch (Exception ex)
{
Log.ErrorException(ex, $"An error occurred while handling Message {message.MsgId} (Type {type.Name})");
}
}
