public WebSocketServer(IPAddress ip, ushort port, ConfWebSocket confWebSocket)
{
this.ip = ip ?? throw new ArgumentException("No IP address provided.");
if (port == 0)
{
throw new ArgumentException("Invalid port 0 provided.");
}
this.port = port;
this.confWebSocket = confWebSocket;
if (this.confWebSocket.JwsKey == "DefaultKey")
{
Log.Warn("Default key in use for websocket JWS. This might not even work and is at least a bad idea.");
}
running = true;
ConnectedClients = new ConcurrentDictionary <int, WebSocketConnection>();
newConnectionHandlerThread = new Thread(NewConnectionHandler)
{
IsBackground = true
};
newConnectionHandlerThread.Start();
var clientWatcherThread = new Thread(() => {
while (running)
{
IList <int> keysToRemove = new List <int>();
foreach (var pair in ConnectedClients)
{
if (!pair.Value.IsRunning())
{
keysToRemove.Add(pair.Key);
}
}
foreach (var key in keysToRemove)
{
ConnectedClients.TryRemove(key, out var client);
client?.Stop();
}
Thread.Sleep(1000);
}
})
{
IsBackground = true
};
clientWatcherThread.Start();
}
public WebSocketPipe(ConfWebSocket confWebSocket)
{
server = new WebSocketServer(IPAddress.Loopback, 2020, confWebSocket);
}
public UpdateWebSocket(
KDFCommandsPlugin kdf,
Player player,
PlayManager playManager,
ResolveContext resolver,
Ts3Client ts3Client,
TsFullClient ts3FullClient,
ConfWebSocket confWebSocket
)
{
this.kdf = kdf;
this.player = player;
this.playManager = playManager;
this.resolver = resolver;
this.ts3Client = ts3Client;
this.ts3FullClient = ts3FullClient;
this.playManager.Queue.OnQueueChange += QueueChanged;
this.playManager.Queue.OnQueueIndexChange += UpdateRecentlyPlayed;
this.kdf.Autofill.OnStateChange += AutofillChanged;
this.kdf.Voting.OnSkipVoteChanged -= SkipVoteChanged;
server = new WebSocketServer(IPAddress.Loopback, 2021, confWebSocket);
server.OnClientConnected += ClientConnected;
running = true;
var thread = new Thread(() => {
JsonValue <Dictionary <string, IList <(string, string)> > > listeners = null;
JsonValue <SongInfo> song = null;
bool frozen = false;
long frozenSince = -1;
while (running)
{
// Check for listener change
var newListeners = KDFCommandsPlugin.CommandListeners(ts3Client, ts3FullClient, player);
if (listeners == null || !ListenersEqual(listeners, newListeners))
{
SendListenerUpdate(newListeners);
}
listeners = newListeners;
// Check if song should be updated
JsonValue <SongInfo> newSong = null;
try {
newSong = MainCommands.CommandSong(playManager, player, resolver);
} catch (CommandException) {
// Don't crash just because nothing is playing
}
if (newSong != null)
{
var ts = DateTimeOffset.Now.ToUnixTimeMilliseconds();
bool frozenStateChanged = ts - player.WebSocketPipe.LastDataSentTimestamp > 500 != frozen;
if (frozenStateChanged)
{
frozen = !frozen;
frozenSince = frozen ? DateTimeOffset.Now.ToUnixTimeSeconds() : -1;
}
if (
song == null ||
newSong.Value.Position < song.Value.Position ||
newSong.Value.Length != song.Value.Length ||
newSong.Value.Link != song.Value.Link ||
newSong.Value.Paused != song.Value.Paused ||
frozenStateChanged && !frozen
)
{
if (Log.IsTraceEnabled)
{
string reason = "Unexpected reason.";
if (song == null)
{
reason = "First song started playing.";
}
else if (newSong.Value.Position < song.Value.Position)
{
reason = "Position < previous position.";
}
else if (newSong.Value.Length != song.Value.Length)
{
reason = "Length changed.";
}
else if (newSong.Value.Link != song.Value.Link)
{
reason = "Resource URL changed.";
}
else if (newSong.Value.Paused != song.Value.Paused)
{
reason = "Pause state changed.";
}
else if (frozenStateChanged & !frozen)
{
reason = "Song was frozen for over 500ms and now unfroze.";
}
Log.Trace("Song update sent. Reason: " + reason);
}
SendSongUpdate(newSong);
}
// Send resync update if frozen every 5 seconds.
if (frozen && (DateTimeOffset.Now.ToUnixTimeSeconds() - frozenSince) % 5 == 4)
{
Log.Trace("Song update sent. Reason: Update in frozen state.");
SendSongUpdate(newSong);
}
}
else if (song != null)
{
// newSong is null but previous song was not --> music stopped
SendToAll("song", null);
Log.Trace("Song update sent. Reason: Music stopped.");
}
song = newSong;
Thread.Sleep(1000);
}
})
{
IsBackground = true
};
thread.Start();
}
