public TResp Request <TReq, TResp>(call_body callBody, TReq reqArgs) { UdpReader mr = new UdpReader(_receivedArray); Reader r = Toolkit.CreateReader(mr); rpc_msg respMsg = r.Read <rpc_msg>(); rpc_msg reqHeader = new rpc_msg() { xid = respMsg.xid, // use xid in _receivedArray body = new body() { mtype = msg_type.CALL, cbody = callBody } }; UdpWriter dtg = new UdpWriter(); Writer w = Toolkit.CreateWriter(dtg); w.Write(reqHeader); w.Write(reqArgs); byte[] outBuff = dtg.Build(); Assert.AreEqual(_expectedSendArray, outBuff, "send dump is difference"); Toolkit.ReplyMessageValidate(respMsg); TResp respArgs = r.Read <TResp>(); mr.CheckEmpty(); return(respArgs); }
public Ticket(ITicketOwner owner, call_body callBody, TReq reqArgs, TaskCreationOptions options, CancellationToken token) { _owner = owner; _callBody = callBody; _reqArgs = reqArgs; _taskSrc = new TaskCompletionSource <TResp>(options); if (token.CanBeCanceled) { _ctr = token.Register(Cancel); } else { _ctr = new CancellationTokenRegistration(); } }
/// <summary> /// asynchronous execution of an RPC request /// </summary> public IRpcRequest <TResp> Request <TReq, TResp>(call_body callBody, TReq reqArgs) { RpcRequest <TResp> handler = null; try { handler = NewHandler <TResp>(); rpc_msg reqHeader = new rpc_msg() { xid = handler.Xid, body = new body() { mtype = msg_type.CALL, cbody = callBody } }; UdpDatagram dtg = new UdpDatagram(); Writer w = Toolkit.CreateWriter(dtg); w.Write(reqHeader); w.Write(reqArgs); byte[] outBuff = dtg.ToArray(); //Log.Trace(() => "sending byte dump: " + outBuff.ToDisplay()); handler.OutBuff = outBuff; EqueueSend(handler); //lock (_sync) // _sendingHandlers.Enqueue(handler); //_client.BeginSend(outBuff, outBuff.Length, _ep, handler.DatagramSended, null); } catch (Exception ex) { if (handler == null) { handler = new RpcRequest <TResp>(null, 0); } ThreadPool.QueueUserWorkItem((o) => handler.Except(ex)); } return(handler); }
/// <summary> /// creates the task for the control request to the RPC server /// </summary> public Task <TResp> CreateTask <TReq, TResp>(call_body callBody, TReq reqArgs, TaskCreationOptions options, CancellationToken token) { Ticket <TReq, TResp> ticket = new Ticket <TReq, TResp>(this, callBody, reqArgs, options, token); lock (_sync) { if (token.IsCancellationRequested) { return(ticket.Task); } _pendingRequests.AddLast(ticket); } SendNextQueuedItem(); return(ticket.Task); }
public void BuildRpcMessage(IByteWriter bw) { rpc_msg reqHeader = new rpc_msg() { xid = Xid, body = new body() { mtype = msg_type.CALL, cbody = _callBody } }; Writer xw = Toolkit.CreateWriter(bw); xw.Write(reqHeader); xw.Write(_reqArgs); _callBody = null; _reqArgs = default(TReq); }
/// <summary> /// synchronous execution of an RPC request /// </summary> /// <typeparam name="TReq"></typeparam> /// <typeparam name="TResp"></typeparam> /// <param name="callBody"></param> /// <param name="reqArgs"></param> /// <param name="completed"></param> /// <param name="excepted"></param> public IDisposable Request <TReq, TResp>(call_body callBody, TReq reqArgs, Action <TResp> completed, Action <Exception> excepted) { Exception resEx = null; TResp respArgs = default(TResp); rpc_msg reqHeader = new rpc_msg() { xid = 0xF1E2D3C4, body = new body() { mtype = msg_type.CALL, cbody = callBody } }; try { UdpDatagram dtg = new UdpDatagram(); Writer w = Toolkit.CreateWriter(dtg); w.Write(reqHeader); w.Write(reqArgs); byte[] outBuff = dtg.ToArray(); Log.Trace(() => "sending byte dump: " + outBuff.ToDisplay()); _client.Send(outBuff, outBuff.Length, _ep); MessageReader mr = new MessageReader(); Reader r = Toolkit.CreateReader(mr); rpc_msg respMsg; long endTime = Stopwatch.GetTimestamp() + _timeout * System.Diagnostics.Stopwatch.Frequency / 1000; _client.Client.ReceiveTimeout = _timeout; while (true) { IPEndPoint ep = _ep; mr.Bytes = _client.Receive(ref ep); respMsg = r.Read <rpc_msg>(); if (respMsg.xid == reqHeader.xid) { break; } int nextTimeout = (int)((double)((endTime - Stopwatch.GetTimestamp()) * 1000) / Stopwatch.Frequency); if (nextTimeout <= 0) { throw new SocketException((int)SocketError.TimedOut); } else { _client.Client.ReceiveTimeout = nextTimeout; } } Log.Trace(() => "received byte dump: " + mr.Bytes.ToDisplay()); resEx = Toolkit.ReplyMessageValidate(respMsg); if (resEx == null) { respArgs = r.Read <TResp>(); mr.CheckEmpty(); } } catch (Exception ex) { resEx = new RpcException("request error", ex); //FIXME: may be to add more context of header } if (resEx == null) { completed(respArgs); } else { excepted(resEx); } return(null); }
public IRpcRequest <TResp> Request <TReq, TResp> (call_body callBody, TReq reqArgs) { throw new NotImplementedException(); }
public Task <TResp> CreateTask <TReq, TResp>(call_body callBody, TReq reqArgs, TaskCreationOptions options, CancellationToken token) { return(Task.Factory.StartNew <TResp>(() => Request <TReq, TResp>(callBody, reqArgs), token, options, TaskScheduler.Current)); }