public static Header HeaderParse(IByteBuffer buffer)
{
// start sign
var startSign = buffer.ReadByte();
// task sn
var taskId = buffer.ReadByte();
// msg sn
var msgSn = buffer.ReadByte();
// ttl
var ttl = buffer.ReadByte();
// 通信方式
// 0x81 - 以太网, 0x82 - GPRS , 0x83 - NBIOT
var transportCode = buffer.ReadByte();
var transportType = (TransportType)transportCode;
// 时间戳
var timestamp = buffer.ReadInt();
var date = TimestampUtil.ConvertSeconds2DateTime(timestamp).AddHours(8);
// 控制命令 心跳 - 0x4064
var funCode = buffer.ReadShort();
var funType = (FunType)funCode;
// src mac - 6B
var srcMacBytes = new byte[6];
buffer.ReadBytes(srcMacBytes);
// dst mac
var dstMacBytes = new byte[6];
buffer.ReadBytes(dstMacBytes);
var srcMac = BytesUtil.BytesToHex(srcMacBytes);
var dstMac = BytesUtil.BytesToHex(dstMacBytes);
// content length
var length = buffer.ReadShort();
byte[] content = null;
if (length > 0)
{
content = new byte[length];
buffer.ReadBytes(content);
}
var crc = new byte[2];
buffer.ReadBytes(crc);
var header = new Header()
{
TaskId = taskId,
MsgSn = msgSn,
Ttl = ttl,
TransportType = transportType,
Time = date,
FunType = funType,
SrcMac = srcMac,
DstMac = dstMac,
Length = length,
Content = content,
crc = crc
};
return(header);
}
protected override void Decode(IChannelHandlerContext context, IByteBuffer input, List <object> output)
{
var msg = new byte[input.ReadableBytes];
input.ReadBytes(msg);
var hex = BytesUtil.HexInsertSpace(BytesUtil.BytesToHex(msg));
var srcMac = hex.Substring(50, 18).Replace(" ", "");
Console.WriteLine($"Time: {DateTime.Now} Mac: {srcMac} => 收到服务器消息：{hex}");
}
private byte[] GetCrackDeviceMsg()
{
var core = MessageBuilder.BuildCrackData(1005, 30f);
var sensorMsg = MessageBuilder.BuildSensorMsg(mac, 1, SensorType.THLSD, core);
var msg = MessageBuilder.BuildMessage(0, TransportType.GRPS, FunType.GatewayCacheDataBPublish, mac,
sensorMsg);
var hex = BytesUtil.BytesToHex(msg);
Console.WriteLine($"Time: {DateTime.Now} Mac: {mac} => 发送消息：{hex}");
return(msg);
}
public override void ChannelRead(IChannelHandlerContext context, object message)
{
var packet = message as DatagramPacket;
var buffer = packet.Content;
var resp = Unpooled.Buffer(buffer.ReadableBytes);
buffer.ReadBytes(resp);
if (buffer != null)
{
Console.WriteLine("Received from client: " + BytesUtil.BytesToHex(resp.Array));
}
var respPacket = new DatagramPacket(resp, packet.Sender);
context.WriteAndFlushAsync(respPacket);
}
private byte[] GetSettleDeviceMsg()
{
var srcUnmarkHeight = 3000;
var srcHeight = 10050.32f;
var unmarkHeight = srcUnmarkHeight + index * 12;
var height = srcHeight + index * 1.2f * (new Random().Next(10));
var core = MessageBuilder.BuildSettleData(unmarkHeight, -3, height);
var sensorMsg = MessageBuilder.BuildSensorMsg(mac, 1, SensorType.THSTC, core);
var msg = MessageBuilder.BuildMessage(0, TransportType.GRPS, FunType.GatewayCacheDataBPublish, mac,
sensorMsg);
var hex = BytesUtil.HexInsertSpace(BytesUtil.BytesToHex(msg));
Console.WriteLine($"Time: {DateTime.Now} Index : {index} Mac: {mac} => 发送消息：{hex}");
index++;
return(msg);
}
protected override void ChannelRead0(IChannelHandlerContext ctx, DatagramPacket msg)
{
Logger.Info("GkDevice收到server端消息");
var buffer = msg.Content;
if (buffer == null)
{
return;
}
var serverMsg = Unpooled.Buffer(buffer.ReadableBytes);
buffer.ReadBytes(serverMsg);
var hexMsg = BytesUtil.BytesToHex(serverMsg.Array);
Logger.Info($"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));
}
}