public byte[] WriteToArray() { var byteList = new List <byte>(); var startBytes = MdvrMessageHelper.GetBytes(MdvrMessageHelper.MessageStart); byteList.AddRange(startBytes); var dataString = String.Join(MdvrMessageHelper.Delimeter.ToString(), _argList); var dataBytes = MdvrMessageHelper.GetBytes(dataString); //dataBytes = MdvrMessageHelper.Escape(dataBytes, false); var dataLenString = (dataBytes.Length + 1).ToString().PadLeft(4, '0'); var dataLenBytes = MdvrMessageHelper.GetBytes(dataLenString); byteList.AddRange(dataLenBytes); byteList.Add((byte)MdvrMessageHelper.Delimeter); byteList.AddRange(dataBytes); var endBytes = MdvrMessageHelper.GetBytes(MdvrMessageHelper.MessageEnd); byteList.AddRange(endBytes); return(byteList.ToArray()); }
public void Read(byte[] bytes, int byteCnt) { using (var ms = new MemoryStream(bytes)) { using (var br = new BinaryReader(ms)) { while (ms.Position < byteCnt) { switch (_field) { case MediaMessageFields.Start: if (MdvrMessageHelper.GetString(br.ReadBytes(8)) == MdvrMessageHelper.MediaMessageStart) { _msg = new MdvrMediaMessage(); _field = MediaMessageFields.MessageLength; } break; case MediaMessageFields.MessageLength: _msg.MessageLength = br.ReadInt32(); _field = MediaMessageFields.MessageType; break; case MediaMessageFields.MessageType: _msg.MessageType = br.ReadInt16(); _field = MediaMessageFields.SerialNo; break; case MediaMessageFields.SerialNo: _msg.SerialNo = br.ReadInt16(); _field = MediaMessageFields.Time; break; case MediaMessageFields.Time: _msg.Tick = br.ReadInt32(); _field = MediaMessageFields.Data; break; case MediaMessageFields.Data: if (_msg.ByteList.Count < _msg.DataLength) { _msg.ByteList.Add(br.ReadByte()); if (_msg.ByteList.Count == _msg.DataLength) { _field = MediaMessageFields.End; } } break; case MediaMessageFields.End: if (MdvrMessageHelper.GetString(br.ReadBytes(4)) == MdvrMessageHelper.MediaMessageEnd) { MessageReceived?.Invoke(_msg); } _field = MediaMessageFields.Start; break; } } } } }
public void Read(byte[] bytes, int byteCnt) { //bytes = MdvrMessageHelper.Escape(bytes); using (var ms = new MemoryStream(bytes)) { using (var br = new BinaryReader(ms)) { while (ms.Position < byteCnt) { switch (_field) { case MessageFields.Start: { if (MdvrMessageHelper.GetString(br.ReadBytes(4)) == MdvrMessageHelper.MessageStart) { _msg = new MdvrMessage(); _field = MessageFields.Length; } } break; case MessageFields.Length: { var fieldString = MdvrMessageHelper.GetString(br.ReadBytes(4)); _msg.MessageLength = int.Parse(fieldString); if (_msg.MessageLength > 0) { _field = MessageFields.Data; } else { _field = MessageFields.End; } } break; case MessageFields.Data: { if (_msg.ByteList.Count < _msg.MessageLength) { _msg.ByteList.Add(br.ReadByte()); if (_msg.ByteList.Count == _msg.MessageLength) { _field = MessageFields.End; } } } break; case MessageFields.End: { if (MdvrMessageHelper.GetString(br.ReadBytes(1)) == MdvrMessageHelper.MessageEnd) { var mdvrMessage = MdvrMessageHelper.Parse(_msg.ByteList); MessageReceived?.Invoke(mdvrMessage); //var message = MdvrMessageHelper.Parse(_msg.ByteList); //if(message is MdvrMessageBase) //{ // MdvrMessageReceivedArgs args = new MdvrMessageReceivedArgs() // { // DevIDNO = (message as MdvrMessageBase).DevIDNO, // IpAddress = ip, // Port = port, // Message = message // }; // MessageReceived?.Invoke(args); //} } _field = MessageFields.Start; } break; } } } } }