private void OnReceived(object sender, WebSocketReceivedEventArgs e)
{
if (e.Url == this.url)
{
this.Received?.Invoke(this, e);
}
}
private void OnReceived(object sender, WebSocketReceivedEventArgs e)
{
// Syntax:
// Subscribe: !<NotiferName>/Key1/Key2
// Unsubscribe: ?<NotiferName>/Key1/Key2
// e.g. !MyNotifier/MyTopic/MySubTopic
// Library:
// let myFunction = (key, value) => {}
// Notifier.Subscribe("MyNotifier/Key1/Key2", myFunction)
// Notifier.UnSubscribe(myFunction)
try
{
if (e.Message.StartsWith("!" + this.notifierName + "/"))
{
string key = e.Message.Substring(this.notifierName.Length + 2);
if (this.subscriptions.ContainsKey(key) == false)
{
this.subscriptions.Add(key, new List <WebSocket>());
}
if (this.subscriptions[key].Contains(e.WebSocket) == false)
{
this.subscriptions[key].Add(e.WebSocket);
Logging.Info("Subscription added: " + e.Message);
if (this.retainBuffer.ContainsKey(key))
{
this.Notify(key, this.retainBuffer[key], true, e.WebSocket);
}
}
}
else if (e.Message.StartsWith("?" + this.notifierName + "/"))
{
string key = e.Message.Substring(this.notifierName.Length + 2);
if (this.subscriptions.ContainsKey(key))
{
if (this.subscriptions[key].Contains(e.WebSocket))
{
this.subscriptions[key].Remove(e.WebSocket);
Logging.Info("Subscription removed: " + e.Message);
}
}
}
}
catch (Exception ex)
{
Logging.Error($"Error during receiving notification request: {e.Message}", ex);
}
}
private void OnReceived(object sender, WebSocketReceivedEventArgs e)
{
// Syntax: <ControllerName>/Key1/Key2=Value
// e.g. MyController/MyTopic/MySubTopic=42
// Library:
// let isHandledCallback = (key, value) => {}
// Controller.send("MyNotifier/Key1/Key2", value)
// Controller.send("MyNotifier/Key1/Key2", value, isHandledCallback)
try
{
string key = e.Message.Split('=')[0].Trim(' ');
if (key.StartsWith(this.controllerName + "/"))
{
string[] valueArray = e.Message.Split('=');
string value = string.Empty;
for (int i = 1; i < valueArray.Length; i++)
{
value += valueArray[i];
}
Logging.Debug("Control received: " + e.Message);
ControllerValueChangedEventArgs eventArgs = new ControllerValueChangedEventArgs(key.Substring(this.controllerName.Length + 1), value);
try
{
this.ValueChanged?.Invoke(this, eventArgs);
}
catch (Exception ex)
{
Logging.Error($"Error while executing control request: Key: {key}, Value {value}");
}
if (eventArgs.IsHandled == true)
{
WebSocketController.Instance.Send(e.Message);
}
}
}
catch (Exception ex)
{
Logging.Error($"Error during receiving control request: {e.Message}", ex);
}
}
