public void Start()
{
TcpClient client = new TcpClient(_hostname, _port);
_xport = new TcpMessageTransport(client);
_format = new DipMessageFormat();
_channel = new MessageChannel(_xport, _format);
_channel.MessageReceived += OnMessageReceived;
}
public RequestContext(MessageChannel channel, int ackNumber)
{
_channel = channel;
_ackNumber = ackNumber;
}
private void OnChannelClosed(MessageChannel channel)
{
Console.WriteLine("channel closed.");
_channels.Remove(channel);
}
private void MakeActionAndDispatch(Message msg, MessageChannel channel)
{
UserAction request = null;
RequestContext context = new RequestContext(channel, msg.SequenceNumber);
if (msg.OpCode == MessageOpCode.GetObject)
{
string path = GetString(msg, "path");
if (path == null) context.NegativeAcknowledge();
request = new GetObjectAction(context, path);
}
else if (msg.OpCode == MessageOpCode.PutObject)
{
string path = GetString(msg, "path");
DObject value = GetObject(msg, "value");
if (path == null) context.NegativeAcknowledge();
if (value == null) context.NegativeAcknowledge();
request = new PutObjectAction(context, path, value);
}
else if (msg.OpCode == MessageOpCode.DoScript)
{
string trigger = GetString(msg, "when");
string body = GetString(msg, "do");
if (trigger == null) context.NegativeAcknowledge();
if (body == null) context.NegativeAcknowledge();
request = new DoScriptAction(context, trigger, body);
}
else if (msg.OpCode == MessageOpCode.NG ||
msg.OpCode == MessageOpCode.OK ||
msg.OpCode == MessageOpCode.Quote)
{
// drop it on the floor; not expecting these.
return;
}
else
{
throw new NotImplementedException();
}
Debug.Assert(request != null);
_worker.Dispatch(request, context);
}