connectivity handling, audio publishing

lib/src/_websocket_io.dart

@@ -0,0 +1,14 @@
+import 'dart:io';
+
+import 'package:web_socket_channel/io.dart';
+import 'package:web_socket_channel/web_socket_channel.dart';
+
+Future<WebSocketChannel> connectToWebSocket(Uri uri) async {
+  try {
+    // ignore: close_sinks
+    var ws = await WebSocket.connect(uri.toString());
+    return IOWebSocketChannel(ws);
+  } catch (e) {
+    return Future.error(e);
+  }
+}