public byte[] HandlerClientData(byte[] buff)
{
int resInt = 0, machineId = 0;
byte[] byteResp = { 0, 0, 0 };
DbTableDbContext db = new DbTableDbContext();
DeviceSetting outInfo = this.DecodeData(buff);
FactoryRoom tempRoom = db.FactoryRoom.FirstOrDefault(item => item.RoomNumber == outInfo.RoomNumber);
Machines tempMachine = db.Machines.FirstOrDefault(item => item.Number == outInfo.DeviceNumber);
Machines innerInfo;
if (outInfo.DeviceId < 1)
{
resInt = tempRoom == null ? 3 : (tempMachine != null ? 4 : 0);
if (resInt != 0)
{
byteResp[0] = (byte)resInt;
return(byteResp);
}
innerInfo = this.exchangeData(tempRoom, outInfo);
db.FactoryRoom.Attach(tempRoom);
tempRoom.MachineCount += 1;
//记录原始数据
db.Machines.Add(innerInfo);
//最近心跳设备记录
db.LastHeartBreak.Add(new LastHeartBreak()
{
DateRefresh = DateTime.Now,
FactoryName = tempRoom.FactoryName,
MachineId = innerInfo.ID,
RoomID = tempRoom.RoomID,
RoomName = tempRoom.RoomName,
MachineName = outInfo.DeviceNumber
});
}
else
{
innerInfo = db.Machines.FirstOrDefault(item => (item.IpAddress == outInfo.IPAddress || item.Number == outInfo.DeviceNumber) && item.ID != outInfo.DeviceId);
if (innerInfo != null)
{
byteResp[0] = (byte)4;
return(byteResp);
}
innerInfo = db.Machines.Find(outInfo.DeviceId);
db.Machines.Attach(innerInfo);
this.exchangeData(innerInfo, tempRoom, outInfo);
machineId = innerInfo.ID;
}
db.SaveChanges();
machineId = innerInfo.ID;
//生成返回结果
byte[] byteID = ConvertHelper.Int16ToBytes(machineId, true);
Array.Copy(byteID, 0, byteResp, 1, 2);
return(byteResp);
}
/// <summary>
/// 内外部数据转换
/// </summary>
/// <param name="innerInfo"></param>
/// <param name="room"></param>
/// <param name="info"></param>
private void exchangeData(Machines innerInfo, FactoryRoom room, DeviceSetting info)
{
innerInfo.RoomID = room.RoomID;
innerInfo.RoomName = room.RoomName;
innerInfo.RoomNumber = room.RoomNumber;
innerInfo.IpAddress = info.IPAddress;
innerInfo.Number = info.DeviceNumber;
innerInfo.Name = info.DeviceName;
innerInfo.Status = enumMachineStatus.Normal;
}
/// <summary>
/// 内外部数据转换
/// </summary>
/// <param name="room"></param>
/// <param name="info"></param>
/// <returns></returns>
private Machines exchangeData(FactoryRoom room, DeviceSetting info)
{
return(new Machines()
{
RoomID = room.RoomID,
RoomName = room.RoomName,
RoomNumber = room.RoomNumber,
IpAddress = info.IPAddress,
Number = info.DeviceNumber,
Name = info.DeviceName,
Status = enumMachineStatus.Normal
});
}
/// <summary>
/// 客户端返回消息解码
/// </summary>
/// <param name="buff"></param>
/// <returns></returns>
private DeviceSetting DecodeData(byte[] buff)
{
DeviceSetting info = new DeviceSetting();
byte[] tempData = buff;
//机器码
int locIdx = 0;
info.DeviceId = ConvertHelper.BytesToInt16(tempData, locIdx, true);
locIdx += 2;
//操作类型
info.OperateType = tempData[locIdx++];
int tempLen = tempData[locIdx++];
//设备编码
byte[] numberByte = new byte[tempLen];
Array.Copy(tempData, locIdx, numberByte, 0, tempLen);
info.DeviceNumber = System.Text.Encoding.GetEncoding("GBK").GetString(numberByte);
locIdx += tempLen;
//车间号
tempLen = 4;
byte[] roomByte = new byte[tempLen];
Array.Copy(tempData, locIdx, roomByte, 0, tempLen);
info.RoomNumber = ConvertHelper.BytesToInt32(roomByte).ToString();
locIdx += tempLen;
//IP地址
StringBuilder builderIP = new StringBuilder();
for (int i = 0; i < 4; i++)
{
builderIP.Append(tempData[locIdx++]);
builderIP.Append('.');
}
info.IPAddress = builderIP.ToString().Substring(0, builderIP.Length - 1);
return(info);
}