public ScadaTCPMsg(ScadaTCPHeader header, ScadaTCPBody body) { this.header = header; this.body = body; this.body.Encode(); bodyBytes = this.body.GetBytes(); header.bodyLength = bodyBytes.Length; this.header.Encode(); headerBytes = this.header.GetBytes(); MsgBytes = new byte[headerBytes.Length + bodyBytes.Length]; headerBytes.CopyTo(MsgBytes, 0); bodyBytes.CopyTo(MsgBytes, headerBytes.Length); }
public void ReadCallback(IAsyncResult ar) { // Retrieve the state object and the handler socket // from the asynchronous state object. ReadState readState = (ReadState)ar.AsyncState; try { Socket handler = readState.workSocket; // Read data from the client socket. int bytesRead = handler.EndReceive(ar); ScadaTCPHeader header = readState.header; if (bytesRead > 0) { if (PrintReceiveHex) { PrintUtils.PrintHex(readState.BodyBytes); } ScadaTCPBody body = header.InstanceBody(); body.BodyBytes = readState.BodyBytes; body.Decode(); body.Debug(); body.Info(); MainNotify?.Invoke(header, body); ScadaTCPMsg sendMsg = body.GetSendMsg(); if (sendMsg != null) { Send(header.SessionId, sendMsg, sendMsg.CloseClient); } ResetState(handler, header); } } catch (Exception e) { ReadException(e, readState); } }