public static byte[] BuildSensorMsg(string mac, int port, SensorType sensorType, byte[] coreData)
{
var buffer = Unpooled.Buffer(1024);
try
{
var settingCoreSize = 1;
var detectInterval = 5;
var coreSize = coreData.Length / 21;
buffer.WriteByte(settingCoreSize);
buffer.WriteShort(detectInterval);
buffer.WriteByte(coreSize);
var macBytes = BytesUtil.Hex2Bytes(mac);
buffer.WriteBytes(macBytes);
buffer.WriteByte(port);
buffer.WriteShort((int)sensorType);
buffer.WriteInt(TimestampUtil.ConvertDateTime2Seconds(DateTime.Now));
buffer.WriteBytes(coreData);
var msg = new byte[buffer.ReadableBytes];
buffer.ReadBytes(msg);
return(msg);
}
finally
{
buffer.Release();
}
}
private void SendRealMsg2Server(IChannelHandlerContext context, string msg)
{
Logger.Info($"发送消息到Server, msg:{msg}");
msg = msg.Replace("-", "");
var bytes = BytesUtil.Hex2Bytes(msg);
var buffer = Unpooled.WrappedBuffer(bytes);
context.WriteAndFlushAsync(buffer);
}
public static byte[] BuildMessage(int taskId, TransportType transportType, FunType funType, string mac, byte[] content)
{
var buffer = Unpooled.Buffer(100);
try
{
// start sign
buffer.WriteByte(LoraConst.StartSign);
// task sn
buffer.WriteByte(taskId);
// msg sn
buffer.WriteByte(SearialUtil.GetSerial(mac));
// ttl
buffer.WriteByte(0);
// 通信方式
// 0x81 - 以太网, 0x82 - GPRS , 0x83 - NBIOT
buffer.WriteByte((int)transportType);
// 时间戳
buffer.WriteInt(TimestampUtil.GetUtcSecondsStamp());
// 控制命令 心跳 - 0x4064
buffer.WriteShort((int)funType);
// src mac - 6B
var macBytes = BytesUtil.Hex2Bytes(mac);
buffer.WriteBytes(macBytes);
// dst mac
buffer.WriteBytes(macBytes);
// content length
if (content != null)
{
buffer.WriteShort(content.Length);
buffer.WriteBytes(content);
}
else
{
buffer.WriteShort(0);
}
var validatingData = new byte[buffer.ReadableBytes];
buffer.GetBytes(buffer.ReaderIndex, validatingData);
// crc
var crc = CRC16.calcCrc16(validatingData);
buffer.WriteShort(crc);
var msg = new byte[buffer.ReadableBytes];
buffer.ReadBytes(msg);
return(msg);
}
finally
{
buffer.Release();
}
}
private byte[] GetRealMsg()
{
//线上数据
var hex =
"00 b8 a5 01 a5 2e 5d 00 82 5e d7 03 13 40 76 00 01 06 00 00 14 00 16 3e 12 5c 98 00 19 01 02 58 01 00 01 06 00 00 14 01 0b bf 5e d7 03 13 43 72 54 90 ee 96 76 99 7a 05 a5 01";
var mac = hex.Substring(32, 18).Replace(" ", "");
Console.WriteLine($"Time: {DateTime.Now} Mac: {mac} => 发送消息：{hex}");
hex = hex.Replace(" ", "");
var msg = BytesUtil.Hex2Bytes(hex);
return(msg);
}
protected override void ChannelRead0(IChannelHandlerContext ctx, DatagramPacket msg)
{
Logger.Info("GkDevice收到server端消息");
var buffer = msg.Content;
if (buffer == null)
{
return;
}
var serverMsg = Unpooled.Buffer(buffer.ReadableBytes);
buffer.ReadBytes(serverMsg);
var hexMsg = BytesUtil.BytesToHex(serverMsg.Array);
Logger.Info($"收到server端消息, data:{hexMsg}");
if (hexMsg.Contains("7ffe0048"))
{
var deviceInfo = DeviceInfoMsg.Replace("-", "");
var bytes = BytesUtil.Hex2Bytes(deviceInfo);
var deviceBuffer = Unpooled.WrappedBuffer(bytes);
ctx.WriteAndFlushAsync(new DatagramPacket(deviceBuffer, msg.Sender));
}
}
private void SendRealMsg2Server(IChannelHandlerContext context, string msg)
{
Logger.Info($"发送消息到Server, msg:{msg}");
msg = msg.Replace("-", "");
var bytes = BytesUtil.Hex2Bytes(msg);
var buffer = Unpooled.WrappedBuffer(bytes);
DatagramPacket packet = null;
if (Index == 0)
{
packet = new DatagramPacket(buffer, new IPEndPoint(IPAddress.Parse((string)RemoteHost), RemotePort));
}
else
{
packet = new DatagramPacket(buffer, context.Channel.RemoteAddress);
}
context.WriteAndFlushAsync(packet);
Index++;
// var packet = new DatagramPacket(buffer,context.Channel.RemoteAddress);
// context.WriteAndFlushAsync(packet);
}