private void StartReceiveAsync() { Task.Run(async() => { ValueWebSocketReceiveResult result; BytesSegment frame; do { frame = BytesSegment.Rent(); try { result = await socket.ReceiveAsync(frame.Buffer.AsMemory(), CancellationToken.None); if (result.MessageType == WebSocketMessageType.Close) { BytesSegment.ReturnOne(frame); break; } } catch (Exception ex) { BytesSegment.ReturnOne(frame); Console.WriteLine($"WebSocket receive error: {ex.Message}"); //TODO:考虑开始重新连接 break; } frame.Length = result.Count; OnReceiveMessage(frame, result.EndOfMessage); //不需要捕获异常 } while (true); }); }
public void ReadArgsTest1() { var js = "\"A\":[4, \"2660935927-4\", \"HelloService\"]"; var data = System.Text.Encoding.UTF8.GetBytes(js); var segment = BytesSegment.Rent(); //data.AsSpan(4).CopyTo(segment.Buffer.AsSpan()); //segment.Length = data.Length - 4; //Assert.Equal(System.Text.Encoding.UTF8.GetString(segment.Memory.Span), // "[4, \"2660935927-4\", \"HelloService\"]"); data.AsSpan().CopyTo(segment.Buffer); segment.Length = data.Length; var args = InvokeArgs.From(segment, 4); Assert.True(args.GetInt32() == 4); Assert.True(args.GetString() == "2660935927-4"); Assert.True(args.GetString() == "HelloService"); }
public void ReadObject(BinSerializer bs) { Source = (InvokeSource)bs.ReadByte(); Protocol = (InvokeProtocol)bs.ReadByte(); long hv = 0; unsafe { var span = new Span <byte>(&hv, 8); bs.Stream.Read(span); } WaitHandle = new IntPtr(hv); if (Protocol == InvokeProtocol.Bin) { SourceMsgId = bs.ReadInt32(); Error = (InvokeResponseError)bs.ReadByte(); var temp = new AnyValue(); temp.ReadObject(bs); Result = temp; //Don't use Result.ReadObject(bs) } else { //注意将子进程已序列化的结果读到缓存块内,缓存块由相应的通道处理并归还 var stream = (MessageReadStream)bs.Stream; BytesSegment cur = null; int len; while (stream.HasData) { var temp = BytesSegment.Rent(); len = bs.Stream.Read(temp.Buffer.AsSpan()); temp.Length = len; if (cur != null) { cur.Append(temp); } cur = temp; } Result = AnyValue.From(cur.First); } }
public void ReadArgsTest2() { var mockRunntimeContext = new MockRuntimeContext(); Runtime.RuntimeContext.Init(mockRunntimeContext, 10410); mockRunntimeContext.AddModel(TestHelper.EmploeeModel); var js = "\"A\":[{\"$T\":\"111428632783249997828\",\"Id\":\"01200000-0020-016e-fa64-547f10410001\",\"Name\":\"Sales Dept\"},\"01200000-0020-016e-fa64-547f10410001\"]"; var data = System.Text.Encoding.UTF8.GetBytes(js); var segment = BytesSegment.Rent(); data.AsSpan().CopyTo(segment.Buffer); segment.Length = data.Length; var args = InvokeArgs.From(segment, 4); var obj = args.GetObject(); Assert.True(obj != null); var id = args.GetGuid(); Assert.True(id == Guid.Parse("01200000-0020-016e-fa64-547f10410001")); }
public async Task Invoke(HttpContext context) { //暂简单处理,读请求数据至缓存块,然后走与WebSocket相同的流程 //待实现Utf8JsonReaderStream后再修改 int bytesRead = 0; int totalBytes = (int)context.Request.ContentLength.Value; BytesSegment frame = null; while (bytesRead < totalBytes) //TODO:读错误归还缓存块 { var temp = BytesSegment.Rent(); int len = await context.Request.Body.ReadAsync(temp.Buffer.AsMemory()); temp.Length = len; bytesRead += len; if (frame != null) { frame.Append(temp); } frame = temp; } //1. 解析请求头 int msgId = 0; string service = null; //TODO:优化不创建string int offset = 0; //偏移量至参数数组开始,不包含[Token AnyValue res = AnyValue.Empty; try { offset = InvokeHelper.ReadRequireHead(frame.First, ref msgId, ref service); if (offset == -1) //没有参数 { BytesSegment.ReturnOne(frame); } } catch (Exception ex) { res = AnyValue.From(ex); BytesSegment.ReturnAll(frame); //读消息头异常归还缓存块 Log.Warn($"收到无效的Api调用请求: {ex.Message}\n{ex.StackTrace}"); } //2. 设置当前会话并调用服务 if (res.ObjectValue == null) { var webSession = context.Session.LoadWebSession(); RuntimeContext.Current.CurrentSession = webSession; try { var hostCtx = (HostRuntimeContext)RuntimeContext.Current; res = await hostCtx.InvokeByClient(service, 0, InvokeArgs.From(frame, offset)); } catch (Exception ex) { Log.Warn($"调用服务异常: {ex.Message}\n{ex.StackTrace}"); res = AnyValue.From(ex); } } //3. 返回结果,注意:FileResult特殊类型统一由BlobController处理 context.Response.ContentType = "application/json"; if (res.Type == AnyValueType.Object && res.ObjectValue is BytesSegment) { var cur = (ReadOnlySequenceSegment <byte>)res.ObjectValue; try { while (cur != null) { await context.Response.Body.WriteAsync(cur.Memory); cur = cur.Next; } } catch (Exception ex) { Log.Warn($"Send InvokeResponse to ajax error: {ex.Message}"); } finally { BytesSegment.ReturnAll((BytesSegment)res.ObjectValue); //注意归还缓存块 } } else { res.SerializeAsInvokeResponse(context.Response.Body, 0);//TODO:序列化错误处理 } }
//TODO:use rwlock, 另想办法不需要此字典表 internal static async Task OnAccept(HttpContext context, WebSocket webSocket) { //验证是否是已登录用户 var webSession = context.Session.LoadWebSession(); Log.Debug($"接受WebSocket连接, {webSocket.GetType()} Session = {webSession}"); //TODO:没有Session即没有登录先则直接关闭连接 //加入至列表 var client = new WebSocketClient(webSocket, webSession); lock (clients) { clients.Add(webSession.SessionID, client); } //开始接收数据 ValueWebSocketReceiveResult result; BytesSegment frame; do { frame = BytesSegment.Rent(); try { result = await webSocket.ReceiveAsync(frame.Buffer.AsMemory(), CancellationToken.None); if (result.MessageType == WebSocketMessageType.Close) { BytesSegment.ReturnOne(frame); break; } } catch (Exception ex) { BytesSegment.ReturnOne(frame); Log.Warn($"WebSocket receive error: {ex.Message}"); break; } frame.Length = result.Count; await client.OnReceiveMessage(frame, result.EndOfMessage); //不需要捕获异常 } while (true); try { // await webSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None); await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None); } catch (Exception ex) { Log.Debug($"关闭WebSocket通道失败:{ex.Message},忽略继续"); } //移除清理 if (webSession != null) { webSession.Dispose(); } var leftCount = 0; lock (clients) { clients.Remove(webSession.SessionID); leftCount = clients.Count; } Log.Debug(string.Format("WebSocket关闭, 还余: {0}", leftCount)); }