package com.flightfeather.obd.socket
|
|
import com.flightfeather.obd.common.utils.FileUtil
|
import com.flightfeather.obd.repository.ObdDataRepository
|
import com.flightfeather.obd.socket.bean.ObdPackageData
|
import com.flightfeather.obd.socket.decoder.VehicleDataDecoder
|
import com.flightfeather.obd.socket.decoder.impl.DataPackageDecoderImpl
|
import io.netty.channel.ChannelHandlerContext
|
import org.springframework.beans.factory.annotation.Autowired
|
import org.springframework.stereotype.Component
|
import java.text.SimpleDateFormat
|
import java.util.*
|
import javax.annotation.PostConstruct
|
|
/**
|
* 处理socket接收的消息
|
* Date: 2019.8.27
|
* @author riku
|
*/
|
|
@Component
|
class MessageManager{
|
|
companion object{
|
private lateinit var instance: MessageManager
|
}
|
|
@Autowired
|
lateinit var obdDataRepository: ObdDataRepository
|
|
val vehicleDataDecoder = VehicleDataDecoder()
|
val dataPackageDecoder = DataPackageDecoderImpl()
|
|
@PostConstruct
|
fun init() {
|
instance = this
|
instance.obdDataRepository = this.obdDataRepository
|
}
|
|
fun dealStringMsg(msg: String, ctx: ChannelHandlerContext?) {
|
saveToTxt(msg)
|
|
if (bccCheck(msg)) {
|
//解包
|
val packageData = vehicleDataDecoder.decode(msg)
|
//保存
|
DeviceSession.saveDevice(packageData.deviceCode, ctx)
|
saveToDataBase(packageData)
|
} else {
|
println("------数据BCC校验失败，舍弃 [${SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Date())}]")
|
}
|
}
|
|
/**
|
* 保存至txt文本
|
*/
|
fun saveToTxt(msg: String) {
|
val data = "[${SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Date())}]data=> $msg"
|
FileUtil.instance?.saveObdData(data)
|
}
|
|
/**
|
* 保存至数据库
|
*/
|
fun saveToDataBase(packageData: ObdPackageData) {
|
instance.obdDataRepository.saveObdData(packageData)
|
}
|
|
/**
|
* BCC（异或校验）
|
*/
|
fun bccCheck(msg: String):Boolean {
|
val list = mutableListOf<String>().apply {
|
addAll(dataPackageDecoder.toStringList(msg))
|
//去除2 位起始符
|
removeAt(0)
|
removeAt(0)
|
}
|
//取得数据包中的bcc校验结果
|
val oldBcc = list[list.size - 1].toInt(16)
|
|
//去除校验结果
|
list.removeAt(list.size-1)
|
|
//计算bcc校验结果
|
var newBcc = 0x00
|
list.forEach {
|
newBcc = newBcc.xor(it.toInt(16))
|
}
|
|
//返回校验结果是否正确
|
return oldBcc == newBcc
|
}
|
}
|
