internal void innerAddClient(PowerLineWebsocketClient client)
{
lock (this.websocketClientLock)
{
this.websocketClients.Add(client);
}
}
public PowerLineContext(JObject message, Stream requestPayload, int pathIndex, string[] path, PowerLineWebsocketClient client)
{
this.RemoteAddress = client.RemoteAddress;
this.RemotePort = client.RemotePort;
this.LocalPort = client.LocalPort;
this.RemoteAddress = client.RemoteAddress;
this.WebsocketClient = client;
this.IsWebSocket = true;
this.context = null;
this.request = null;
this.response = null;
this.PathIndex = pathIndex;
this.Path = path;
this._requestJsonPayload = message;
if (message.TryGetValue("method", out string requestMethod))
{
this.RequestMethod = requestMethod;
}
else
{
throw new Exception("Invaild websocket request");
}
this.RequestHeaders = message.ReadHeaders();
this.ResponseHeader = new Dictionary <string, string>();
this.RequestPayload = requestPayload;
this.ResponsePayload = null;
}
internal bool innerRemoveClient(PowerLineWebsocketClient client)
{
this.innerUnsbscribeAllEvents(client);
lock (this.websocketClientLock)
{
return(this.websocketClients.Remove(client));
}
}
internal bool innerSubscribeEvent(PowerLineWebsocketClient client, PowerLineEvent powerLineEvent)
{
if (powerLineEvent.SubscribeWithCheck(client))
{
client.SubscribeEvent(powerLineEvent);
return(true);
}
else
{
return(false);
}
}
internal bool UnsubscribeClient(PowerLineWebsocketClient websocket)
{
this.clientsLock.WaitAsync();
try
{
return(this.clients.Remove(websocket));
}
finally
{
this.clientsLock.Release();
}
}
internal void SubscribeClient(PowerLineWebsocketClient websocket)
{
this.clientsLock.WaitAsync();
try
{
this.clients.Add(websocket);
}
finally
{
this.clientsLock.Release();
}
}
internal void innerUnsbscribeAllEvents(PowerLineWebsocketClient client)
{
lock (client.eventsLock)
{
foreach (KeyValuePair <string, PowerLineEvent> singleEvent in client.events)
{
lock (singleEvent.Value.clientsLock)
{
singleEvent.Value.clients.Remove(client);
}
}
client.events.Clear();
}
}
internal bool SubscribeWithCheck(PowerLineWebsocketClient client)
{
PowerLineSubscriptionEventArgs args = new PowerLineSubscriptionEventArgs(client);
Subscription?.Invoke(this, args);
if (args.cancel)
{
return(false);
}
else
{
this.SubscribeClient(client);
return(true);
}
}
internal async Task HandleWebsocketMessageAsync(PowerLineWebsocketClient client, Stream message)
{
JObject mainMessage;
using (StreamReader reader = new StreamReader(message))
{
mainMessage = JObject.Parse(reader.ReadToEnd());
}
if (!mainMessage.TryGetValue("url", out string requestUrl))
{
throw new Exception("Invaild request url");
}
if (!mainMessage.TryGetValue("websocketId", out int websocketId))
{
throw new Exception("Invaild request url");
}
string[] UrlPath = requestUrl.Split('/');
PowerLineContext context = new PowerLineContext(mainMessage, message, 0, UrlPath, client);
PowerLineEndPointExecutionResult result = await GetHandleResultAsync(context);
switch (result.ResultType)
{
case PowerLinExecutionResultType.EndPointNotFound:
result.Context.SetResponse(404);
result.Context.SetResponseHttpString("Not Found");
break;
case PowerLinExecutionResultType.HandlerException:
result.Context.SetResponse(500);
result.Context.SetResponseHttpString(result.Exception.Message);
break;
case PowerLinExecutionResultType.HttpMethodNotFound:
result.Context.SetResponse(404);
result.Context.SetResponseHttpString("Not Found [HttpMethod]");
break;
}
await client.SendResponseAsync(context, websocketId);
}
public PowerLineSubscriptionEventArgs(PowerLineWebsocketClient client)
{
this.Client = client;
this.cancel = false;
}
internal void innerUnsbscribeEvent(PowerLineWebsocketClient client, PowerLineEvent powerLineEvent)
{
client.UnsubscribeEvent(powerLineEvent);
powerLineEvent.UnsubscribeClient(client);
}
private void handleAsyncWebsocket(HttpListenerContext context)
{
// just create a client, he will manage eveyrthing else (like adding to the server client list)
PowerLineWebsocketClient client = new PowerLineWebsocketClient(this, context, this.cancelToken);
}
