public Task ConnectAsync(Uri uri, CancellationToken cancellationToken)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
if (!uri.IsAbsoluteUri)
{
throw new ArgumentException(SR.GetString(SR.net_uri_NotAbsolute), "uri");
}
if (uri.Scheme != Uri.UriSchemeWs && uri.Scheme != Uri.UriSchemeWss)
{
throw new ArgumentException(SR.GetString(SR.net_WebSockets_Scheme), "uri");
}
// Check that we have not started already
int priorState = Interlocked.CompareExchange(ref state, connecting, created);
if (priorState == disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
else if (priorState != created)
{
throw new InvalidOperationException(SR.GetString(SR.net_WebSockets_AlreadyStarted));
}
options.SetToReadOnly();
return(ConnectAsyncCore(uri, cancellationToken));
}
public Task ConnectAsync(Uri uri, CancellationToken cancellationToken)
{
if (uri == null)
{
throw new ArgumentNullException(nameof(uri));
}
if (!uri.IsAbsoluteUri)
{
throw new ArgumentException(SR.net_uri_NotAbsolute, nameof(uri));
}
if (uri.Scheme != UriScheme.Ws && uri.Scheme != UriScheme.Wss)
{
throw new ArgumentException(SR.net_WebSockets_Scheme, nameof(uri));
}
// Check that we have not started already
var priorState = (InternalState)Interlocked.CompareExchange(ref _state, (int)InternalState.Connecting, (int)InternalState.Created);
if (priorState == InternalState.Disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
else if (priorState != InternalState.Created)
{
throw new InvalidOperationException(SR.net_WebSockets_AlreadyStarted);
}
_options.SetToReadOnly();
return(ConnectAsyncCore(uri, cancellationToken));
}