/// <exception cref="InvalidOperationException">The client must be logged in before connecting.</exception>
/// <exception cref="NotSupportedException">This client is not configured with WebSocket support.</exception>
internal override async Task ConnectInternalAsync()
{
if (LoginState != LoginState.LoggedIn)
{
throw new InvalidOperationException("The client must be logged in before connecting.");
}
if (WebSocketClient == null)
{
throw new NotSupportedException("This client is not configured with WebSocket support.");
}
RequestQueue.ClearGatewayBuckets();
//Re-create streams to reset the zlib state
_compressed?.Dispose();
_decompressor?.Dispose();
_compressed = new MemoryStream();
_decompressor = new DeflateStream(_compressed, CompressionMode.Decompress);
ConnectionState = ConnectionState.Connecting;
try
{
_connectCancelToken?.Dispose();
_connectCancelToken = new CancellationTokenSource();
if (WebSocketClient != null)
{
WebSocketClient.SetCancelToken(_connectCancelToken.Token);
}
if (!_isExplicitUrl)
{
var gatewayResponse = await GetGatewayAsync().ConfigureAwait(false);
_gatewayUrl = $"{gatewayResponse.Url}?v={DiscordConfig.APIVersion}&encoding={DiscordSocketConfig.GatewayEncoding}&compress=zlib-stream";
}
await WebSocketClient.ConnectAsync(_gatewayUrl).ConfigureAwait(false);
ConnectionState = ConnectionState.Connected;
}
catch
{
if (!_isExplicitUrl)
{
_gatewayUrl = null; //Uncache in case the gateway url changed
}
await DisconnectInternalAsync().ConfigureAwait(false);
throw;
}
}