1. 修复保存obd 信息体方法未被调用的问题

riku

2019-09-18 259512005923831d1221bd49568751bf519dc020

 src/main/kotlin/com/flightfeather/obd/socket/MessageManager.kt

@@ -1,17 +1,20 @@
package com.flightfeather.obd.socket

import com.flightfeather.obd.common.utils.FileUtil
import com.flightfeather.obd.lightshare.bean.BaseJson
import com.flightfeather.obd.lightshare.bean.ObdDataVo
import com.flightfeather.obd.repository.ObdDataRepository
import com.flightfeather.obd.repository.*
import com.flightfeather.obd.socket.bean.EngineDataStream
import com.flightfeather.obd.socket.bean.ObdInfo
import com.flightfeather.obd.socket.bean.ObdPackageData
import com.flightfeather.obd.socket.bean.SupplementDataStream
import com.flightfeather.obd.socket.decoder.VehicleDataDecoder
import com.google.gson.Gson
import com.flightfeather.obd.socket.decoder.impl.DataPackageDecoderImpl
import com.flightfeather.obd.socket.eunm.ObdCommandUnit
import io.netty.channel.ChannelHandlerContext
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.stereotype.Component
import org.springframework.util.FileSystemUtils
import java.text.SimpleDateFormat
import java.util.*
import javax.annotation.PostConstruct
import javax.annotation.Resource

/**
 * 处理socket接收的消息
@@ -28,39 +31,103 @@

    @Autowired
    lateinit var obdDataRepository: ObdDataRepository
    @Autowired
    lateinit var originDataRepository: OriginDataRepository
    @Autowired
    lateinit var obdInfoRepository: ObdInfoRepository
    @Autowired
    lateinit var dataStreamRepository: DataStreamRepository
    @Autowired
    lateinit var carLogoutRepository: CarLogoutRepository
    @Autowired
    lateinit var carLoginRepository: CarLoginRepository

    val vehicleDataDecoder = VehicleDataDecoder()
    val dataPackageDecoder = DataPackageDecoderImpl()

    @PostConstruct
    fun init() {
        instance = this
        instance.obdDataRepository = this.obdDataRepository
        instance.originDataRepository = this.originDataRepository
        instance.obdInfoRepository = this.obdInfoRepository
        instance.dataStreamRepository = this.dataStreamRepository
        instance.carLogoutRepository = this.carLogoutRepository
        instance.carLoginRepository = this.carLoginRepository
    }

    fun dealStringMsg(msg: String, ctx: ChannelHandlerContext?) {
//        try {
//            val baseJson = Gson().fromJson<BaseJson>(msg, BaseJson::class.java)
//            when (baseJson.cmdCode) {
//                2001 -> {
//                    val data = Gson().fromJson(msg, ObdDataVo::class.java)
//                    DeviceSession.saveDevice(data.obdVin, ctx)
//                    instance.obdDataRepository.saveObdData(data)
//                }
//            }
//        } catch (e: Throwable) {
//        }

        saveToTxt(msg)
        val packageData = vehicleDataDecoder.decode(msg)

        if (bccCheck(msg)) {
            //解包
            val packageData = vehicleDataDecoder.decode(msg)
            //保存
            DeviceSession.saveDevice(packageData.deviceCode, ctx)
            saveToDataBase(packageData, msg)
        } else {
            println("------数据BCC校验失败，舍弃 [${SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Date())}]")
        }
    }

    fun dealByteArrayMsg(msg: ByteArray, ctx: ChannelHandlerContext?) {
        val b = ByteArray(20) {19}
        println(b)
    }

    /**
     * 保存至txt文本
     */
    fun saveToTxt(msg: String) {
        val data = "data=> $msg"
        val data = "[${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, msg: String) {
        instance.obdDataRepository.saveObdData(packageData)
        instance.originDataRepository.saveOriginData(packageData, msg)
        when (packageData.commandUnit) {
            ObdCommandUnit.CarRegister.value -> instance.carLoginRepository.saveCarLogin(packageData)
            ObdCommandUnit.RealTimeData.value,
            ObdCommandUnit.ReplacementData.value -> {
                var done = false
                for (i in 0 until packageData.dataUnit.size) {
                    when (packageData.dataUnit[i]) {
                        is ObdInfo -> instance.obdInfoRepository.saveObdInfo(packageData)
                        is EngineDataStream,
                        is SupplementDataStream -> {
                            instance.dataStreamRepository.saveDataStream(packageData)
                            done = true
                        }
                    }
                    if (done) break
                }
            }
            ObdCommandUnit.CarLogOut.value-> instance.carLogoutRepository.saveCarLogout(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
    }
}