private async Task <PPError> ConnectAsyncCore(Uri uri, string[] protocols, MessageLoop connectLoop = null)
{
var tcs = new TaskCompletionSource <PPError>();
EventHandler <PPError> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
Connection += handler;
if (MessageLoop == null && connectLoop == null)
{
Connect(uri, protocols);
}
else
{
PPVar[] varProtocols = null;
if (protocols != null)
{
varProtocols = new PPVar[protocols.Length];
for (int p = 0; p < protocols.Length; p++)
{
varProtocols[p] = new Var(protocols[p]);
}
}
Action <PPError> action = new Action <PPError>((e) =>
{
var result = (PPError)PPBWebSocket.Connect(this, new Var(uri.AbsoluteUri),
varProtocols, varProtocols == null ? 0 : (uint)varProtocols.Length,
new BlockUntilComplete()
);
tcs.TrySetResult(result);
}
);
InvokeHelper(action, connectLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(PPError.Aborted);
}
finally
{
Connection -= handler;
}
}
/// <summary>
/// Connects to the specified WebSocket server
/// </summary>
/// <param name="url">The URI of the WebSocket server to connect to.</param>
/// <param name="protocols"></param>
public void Connect(Uri url, string[] protocols = null)
{
if (PPBWebSocket.IsWebSocket(this) != PPBool.True)
{
throw new PlatformNotSupportedException("Websocket not supported");
}
if (url == null)
{
throw new ArgumentNullException(nameof(url));
}
if (!url.IsAbsoluteUri)
{
throw new ArgumentException("Not Absolute URI", nameof(url));
}
if (url.Scheme.ToLower() != UriSchemeWs && url.Scheme.ToLower() != UriSchemeWss)
{
throw new ArgumentException("Scheme invalid", nameof(url));
}
PPVar[] varProtocols = null;
if (protocols != null)
{
varProtocols = new PPVar[protocols.Length];
for (int p = 0; p < protocols.Length; p++)
{
varProtocols[p] = new Var(protocols[p]);
}
}
var connectResult = (PPError)PPBWebSocket.Connect(this, new Var(url.AbsoluteUri),
varProtocols, varProtocols == null ? 0 : (uint)varProtocols.Length,
new CompletionCallback(OnConnect)
);
}