private void ProcessInThread(IMessage processor, string replyTo, string method, object args)
{
try
{
// TODO: vladi: implement the long running part
//if (processor.GetType().GetMethod(method) != null)
if (processor != null)
{
if (processor.IsLongRunning())
{
if (this.RestartingAgent)
{
RemoteException exception = new RemoteException("restarting agent");
// todo: vlad: fix the hash here
this.Publish(replyTo, exception.ToHash().ToString());
}
else
{
this.Lock.WaitOne();
try
{
if (this.LongRunningAgentTask.Count == 0)
{
this.ProcessLongRunning(replyTo, processor, args);
}
else
{
RemoteException exception = new RemoteException("already running long running task");
// todo: vlad: fix the hash here
this.Publish(replyTo, exception.ToHash().ToString());
}
}
finally
{
this.Lock.ReleaseMutex();
}
}
}
else
{
string payload = this.Process(processor, args);
if (Config.Configure != null && (method == "prepare_network_change"))
{
// todo: vladi: fix payload
this.Publish(replyTo, payload, () => PostPrepareNetworkChange());
}
else
{
// todo: vladi: fix payload
this.Publish(replyTo, payload.ToString());
}
}
}
}
catch (Exception ex)
{
// since this is running in a thread we're going to be nice and
// log an error as this would otherwise be lost
Logger.Error("{0}: {1)", processor.ToString(), ex.ToString());
}
}
public void HandleMessage(string json)
{
try
{
dynamic msg = JsonConvert.DeserializeObject(json);
if (String.IsNullOrEmpty(msg["reply_to"].ToString()))
{
Logger.Info("Missing reply_to in: {0}", json);
return;
}
Logger.Info("Message: {0}", json);
msg = CheckCredentials(msg);
if (msg == null)
{
return;
}
string replyTo = msg["reply_to"].Value;
string method = msg["method"].Value;
dynamic args = msg["arguments"];
if (method.Equals("get_state", StringComparison.OrdinalIgnoreCase))
{
method = "state";
}
IMessage processor = Lookup(method);
if (processor != null)
{
ThreadPool.QueueUserWorkItem((data) =>
{
ProcessInThread(processor, replyTo, method, args);
});
}
else if (method.Equals("get_task", StringComparison.OrdinalIgnoreCase))
{
HandleGetTask(replyTo, (JsonConvert.DeserializeObject(args.ToString(), typeof(string[])) as string[])[0]);
}
else if (method.Equals("shutdown", StringComparison.OrdinalIgnoreCase))
{
HandleShutdown(replyTo);
}
else
{
RemoteException re = new RemoteException(string.Format(CultureInfo.InvariantCulture, "Unknown message {0}", json));
// todo: vlad: fix the hash here
this.Publish(replyTo, re.ToHash().ToString());
}
}
catch (Exception ex)
{
Logger.Warning("Failed to parse message: {0}: {1}", json, ex.ToString());
}
}
