internal Task OnTrackExceptionAsync(TrackExceptionEventArgs eventArgs) => TrackException.InvokeAsync(this, eventArgs);
/// <summary> /// Invokes the <see cref="TrackException"/> event asynchronously. (Can be override for /// event catching) /// </summary> /// <param name="eventArgs">the event arguments</param> /// <returns>a task that represents the asynchronous operation</returns> protected virtual Task OnTrackExceptionAsync(TrackExceptionEventArgs eventArgs) => TrackException.InvokeAsync(this, eventArgs);
/// <summary>
/// Starts the lavalink connection
/// </summary>
/// <returns></returns>
public Task StartAsync()
{
return(Task.Run(() =>
{
if (baseDiscordClient.CurrentUser == null)
{
throw new InvalidOperationException("Can't connect when CurrentUser is null. Please wait until Discord connects.");
}
lavalinkCancellation = new CancellationTokenSource();
// Setup the lavalink websocket connection
webSocket = new LavalinkWebSocket(this, config);
webSocket.OnReceive += (message) =>
{
// TODO: Implement stats event
switch ((string)message["op"])
{
case "playerUpdate":
{
logger.Log("Received Dispatch (PLAYER_UPDATE)", LogSeverity.Debug);
ulong guildId = (ulong)message["guildId"];
if (players.TryGetValue(guildId, out LavalinkPlayer player))
{
LavalinkTrack currentTrack = player.CurrentTrack;
player.FireEvent(Event.PlayerUpdate, message["state"]["position"]);
PlayerUpdate?.InvokeAsync(player, currentTrack, (long)message["state"]["position"]);
}
break;
}
case "event":
{
ulong guildId = (ulong)message["guildId"];
if (players.TryGetValue(guildId, out LavalinkPlayer player))
{
LavalinkTrack currentTrack = player.CurrentTrack;
switch ((string)message["type"])
{
case "TrackEndEvent":
{
logger.Log("Received Dispatch (TRACK_END_EVENT)", LogSeverity.Debug);
player.FireEvent(Event.TrackEnd, message["reason"]);
TrackEnd?.InvokeAsync(player, currentTrack, (string)message["reason"]);
break;
}
case "TrackExceptionEvent":
{
logger.Log("Received Dispatch (TRACK_EXCEPTION_EVENT)", LogSeverity.Debug);
player.FireEvent(Event.TrackException, message["error"]);
TrackException?.InvokeAsync(player, currentTrack, (string)message["error"]);
break;
}
case "TrackStuckEvent":
{
logger.Log("Received Dispatch (TRACK_STUCK_EVENT)", LogSeverity.Debug);
player.FireEvent(Event.TrackStuck, message["thresholdMs"]);
TrackStuck?.InvokeAsync(player, currentTrack, (long)message["thresholdMs"]);
break;
}
default:
{
logger.Log($"Received Unknown Event Type {(string)message["type"]}", LogSeverity.Debug);
break;
}
}
}
break;
}
case "stats":
{
Stats?.InvokeAsync(new LavalinkStats(message));
break;
}
default:
{
logger.Log($"Received Uknown Dispatch ({(string)message["op"]})", LogSeverity.Debug);
break;
}
}
return Task.CompletedTask;
};
webSocket.OnClosed += async(closeStatus, closeDescription) =>
{
await playerLock.WaitAsync();
players.Clear();
ConnectWebSocket();
playerLock.Release();
};
ConnectWebSocket();
}));
}