[dotnet] [bidi] Fix web socket communication for .net framework

Related to SeleniumHQ#14537

Author: nvborisenko

dotnet/src/webdriver/BiDi/Communication/Transport/WebSocketTransport.cs

@@ -16,9 +16,10 @@ public class WebSocketTransport(Uri _uri) : ITransport, IDisposable
     private readonly ClientWebSocket _webSocket = new();
     private readonly ArraySegment<byte> _receiveBuffer = new(new byte[1024 * 8]);
 
+    private readonly SemaphoreSlim _socketSendSemaphoreSlim = new(1, 1);
+
     public async Task ConnectAsync(CancellationToken cancellationToken)
     {
-        _webSocket.Options.SetBuffer(_receiveBuffer.Count, _receiveBuffer.Count, _receiveBuffer);
         await _webSocket.ConnectAsync(_uri, cancellationToken).ConfigureAwait(false);
     }
 
@@ -32,8 +33,9 @@ public async Task<T> ReceiveAsJsonAsync<T>(JsonSerializerOptions jsonSerializerO
         {
             result = await _webSocket.ReceiveAsync(_receiveBuffer, cancellationToken).ConfigureAwait(false);
 
-            await ms.WriteAsync(_receiveBuffer.Array!, _receiveBuffer.Offset, result.Count).ConfigureAwait(false);
-        } while (!result.EndOfMessage);
+            await ms.WriteAsync(_receiveBuffer.Array!, _receiveBuffer.Offset, result.Count, cancellationToken).ConfigureAwait(false);
+        }
+        while (!result.EndOfMessage);
 
         ms.Seek(0, SeekOrigin.Begin);
 
@@ -51,12 +53,21 @@ public async Task SendAsJsonAsync(Command command, JsonSerializerOptions jsonSer
     {
         var buffer = JsonSerializer.SerializeToUtf8Bytes(command, typeof(Command), jsonSerializerOptions);
 
-        if (_logger.IsEnabled(LogEventLevel.Trace))
+        await _socketSendSemaphoreSlim.WaitAsync(cancellationToken);
+
+        try
         {
-            _logger.Trace($"BiDi SND >> {buffer.Length} > {Encoding.UTF8.GetString(buffer)}");
-        }
+            if (_logger.IsEnabled(LogEventLevel.Trace))
+            {
+                _logger.Trace($"BiDi SND >> {buffer.Length} > {Encoding.UTF8.GetString(buffer)}");
+            }
 
-        await _webSocket.SendAsync(new ArraySegment<byte>(buffer), WebSocketMessageType.Text, true, cancellationToken).ConfigureAwait(false);
+            await _webSocket.SendAsync(new ArraySegment<byte>(buffer), WebSocketMessageType.Text, true, cancellationToken).ConfigureAwait(false);
+        }
+        finally
+        {
+            _socketSendSemaphoreSlim.Release();
+        }
     }
 
     public void Dispose()