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dart-lang / web_socket_channel

StreamChannel wrappers for WebSockets.
https://pub.dev/packages/web_socket_channel
BSD 3-Clause "New" or "Revised" License
425 stars 112 forks source link

Specifying 'protocols' (Sec-WebSocket-Protocol header) causes connection to close. #332

Open JaxInfinitaz opened 8 months ago

JaxInfinitaz commented 8 months ago

Issue: When specifying 'protocols' in WebSocketChannel.connect(..), the connection is closed and a vague stack-trace is outputted. This is occurring for me when using the Web implementation.

Example:

_channel = WebSocketChannel.connect(Uri.parse(wsUrl), protocols: {
        'MQTT' 
});

Causes a js runtime error:


dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 297:3  throw_

dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 84:54           runBody
dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 127:5           _async
dart-sdk/lib/async/future_impl.dart 162:18                                   handleValue
dart-sdk/lib/async/future_impl.dart 838:44                                   handleValueCallback
dart-sdk/lib/async/future_impl.dart 867:13                                   _propagateToListeners
dart-sdk/lib/async/future_impl.dart 643:5                                    [_completeWithValue]
dart-sdk/lib/async/future_impl.dart 713:7                                    callback
dart-sdk/lib/async/schedule_microtask.dart 40:11                             _microtaskLoop
dart-sdk/lib/async/schedule_microtask.dart 49:5                              _startMicrotaskLoop
dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 181:7           <fn>
dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 330:10  createErrorWithStack
dart-sdk/lib/_internal/js_dev_runtime/patch/core_patch.dart 337:28            _throw
dart-sdk/lib/core/errors.dart 120:5                                           throwWithStackTrace
dart-sdk/lib/async/zone.dart 1386:11                                          callback
dart-sdk/lib/async/schedule_microtask.dart 40:11                              _microtaskLoop
dart-sdk/lib/async/schedule_microtask.dart 49:5                               _startMicrotaskLoop
dart-sdk/lib/_internal/js_dev_runtime/patch/async_patch.dart 181:7            <fn>

Potentially something to do with?: https://github.com/dart-lang/web_socket_channel/blob/3db86bc0a09e1038a0fa418262c8a92211c5de69/lib/html.dart#L80