private async Task VerifyConnectionAsync(VoiceUpdatePacket packet, Task task)
{
if (task.VerifyTask())
{
LogHandler <WsVoiceClient> .Log.Error(exception : task.Exception);
return;
}
_receiveTask = _socket
.ReceiveAsync <WsVoiceClient, BaseDiscordPayload>(_receiveCancel, ProcessPayloadAsync)
.ContinueWith(DisposeAsync);
var payload = new BaseDiscordPayload(VoiceOpType.Identify,
new IdentifyPayload
{
ServerId = $"{packet.GuildId}",
SessionId = packet.SessionId,
UserId = $"{packet.UserId}",
Token = packet.Token
});
await _socket.SendAsync(payload)
.ConfigureAwait(false);
}
private async Task SendSpeakingAsync(bool isSpeaking)
{
var payload = new BaseDiscordPayload(VoiceOpType.Speaking, new
{
Speaking = isSpeaking,
Delay = 0
});
await _socket.SendAsync(payload)
.ConfigureAwait(false);
}
private async Task HandleHeartbeatAsync(int interval)
{
while (!_heartBeatCancel.IsCancellationRequested)
{
var payload = new BaseDiscordPayload(VoiceOpType.Heartbeat, DateTimeOffset.UtcNow.ToUnixTimeSeconds());
await _socket.SendAsync(payload)
.ConfigureAwait(false);
await Task.Delay(interval, _heartBeatCancel.Token)
.ConfigureAwait(false);
}
}
private async Task ProcessPayloadAsync(BaseDiscordPayload payload)
{
LogHandler <WsVoiceClient> .Log.Debug($"Received {Enum.GetName(typeof(VoiceOpType), payload.Op)} payload.");
switch (payload.Op)
{
case VoiceOpType.Ready:
Vrp = payload.Data.TryCast <VoiceReadyPayload>();
_udp = new UdpClient(Vrp.IpAddress, Vrp.Port);
await _udp.SendDiscoveryAsync(Vrp.Ssrc).ConfigureAwait(false);
LogHandler <WsVoiceClient> .Log.Debug($"Sent UDP discovery with {Vrp.Ssrc} ssrc.");
_heartBeatTask = HandleHeartbeatAsync(Vrp.HeartbeatInterval);
LogHandler <WsVoiceClient> .Log.Debug(
$"Started heartbeat task with {Vrp.HeartbeatInterval} interval.");
var selectProtocol = new BaseDiscordPayload(VoiceOpType.SelectProtocol,
new SelectPayload(Vrp.IpAddress, Vrp.Port));
await _socket.SendAsync(selectProtocol)
.ConfigureAwait(false);
LogHandler <WsVoiceClient> .Log.Debug($"Sent select protocol with {Vrp.IpAddress}:{Vrp.Port}.");
_ = VoiceSenderTask();
break;
case VoiceOpType.SessionDescription:
var sdp = payload.Data.TryCast <SessionDescriptionPayload>();
if (sdp.Mode != "xsalsa20_poly1305")
{
return;
}
_sdp = sdp;
SodiumCodec = new SodiumCodec(_sdp.SecretKey);
await _socket.SendAsync(new BaseDiscordPayload(VoiceOpType.Speaking, new
{
delay = 0,
speaking = false
})).ConfigureAwait(false);
_ = SendKeepAliveAsync().ConfigureAwait(false);
break;
case VoiceOpType.Hello:
var helloPayload = payload.Data.TryCast <HelloPayload>();
if (_heartBeatTask != null)
{
_heartBeatCancel.Cancel(false);
_heartBeatTask.Dispose();
_heartBeatTask = null;
}
_heartBeatTask = HandleHeartbeatAsync(helloPayload.HeartBeatInterval);
break;
}
}
