Upgrade a regular HTTP request to a WebSocket request using WebSocketTransformer.upgrade()
.
import 'dart:io';
handleMsg(msg) {
print('Message received: $msg');
}
main() async {
try {
var server = await HttpServer.bind('127.0.0.1', 4040);
await for (HttpRequest req in server) {
if (req.uri.path == '/ws') {
// Upgrade an HttpRequest to a WebSocket connection.
var socket = await WebSocketTransformer.upgrade(req);
socket.listen(handleMsg);
}
}
} catch (e) {
print(e);
}
}
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