From 58a16c3340f92a1ec0362565020f31de56faaf3e Mon Sep 17 00:00:00 2001
From: riku <risaku@163.com>
Date: 星期四, 19 九月 2019 16:35:48 +0800
Subject: [PATCH] 1. 增加远程查看版本指令逻辑

---
 src/main/kotlin/com/flightfeather/obd/socket/MessageManager.kt |   86 +++++++++++++++++++++++++++++++++++++++---
 1 files changed, 79 insertions(+), 7 deletions(-)

diff --git a/src/main/kotlin/com/flightfeather/obd/socket/MessageManager.kt b/src/main/kotlin/com/flightfeather/obd/socket/MessageManager.kt
index e57d960..ba99110 100644
--- a/src/main/kotlin/com/flightfeather/obd/socket/MessageManager.kt
+++ b/src/main/kotlin/com/flightfeather/obd/socket/MessageManager.kt
@@ -9,6 +9,7 @@
 import com.flightfeather.obd.socket.decoder.VehicleDataDecoder
 import com.flightfeather.obd.socket.decoder.impl.DataPackageDecoderImpl
 import com.flightfeather.obd.socket.eunm.ObdCommandUnit
+import io.netty.buffer.Unpooled
 import io.netty.channel.ChannelHandlerContext
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.stereotype.Component
@@ -57,16 +58,23 @@
     }
 
     fun dealStringMsg(msg: String, ctx: ChannelHandlerContext?) {
+        //瑙e寘
+        val packageData = vehicleDataDecoder.decode(msg)
+
         saveToTxt(msg)
 
-        if (bccCheck(msg)) {
-            //瑙e寘
-            val packageData = vehicleDataDecoder.decode(msg)
-            //淇濆瓨
-            DeviceSession.saveDevice(packageData.deviceCode, ctx)
-            saveToDataBase(packageData, msg)
+        val isCommand = command(packageData, ctx)
+
+        if (isCommand) {
+            println("------杩滅▼鎺у埗鎸囦护 [${SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Date())}]")
         } else {
-            println("------鏁版嵁BCC鏍¢獙澶辫触锛岃垗寮� [${SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Date())}]")
+            if (bccCheck(msg)) {
+                //淇濆瓨
+                DeviceSession.saveDevice(packageData.deviceCode, ctx)
+                saveToDataBase(packageData, msg)
+            } else {
+                println("------鏁版嵁BCC鏍¢獙澶辫触锛岃垗寮� [${SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Date())}]")
+            }
         }
     }
 
@@ -130,4 +138,68 @@
         //杩斿洖鏍¢獙缁撴灉鏄惁姝g‘
         return oldBcc == newBcc
     }
+
+    /**
+     * 杩滅▼鎸囦护
+     */
+    fun command(packageData: ObdPackageData, ctx: ChannelHandlerContext?): Boolean {
+        if (packageData.commandUnit == ObdCommandUnit.Update.value) {
+            val channel = DeviceSession.getDevice(packageData.deviceCode)
+            if (channel != null) {
+                val s = getDataPackage(packageData.deviceCode)
+                if (s == null) {
+                    ctx?.writeAndFlush("[${packageData.deviceCode}] 璁惧缂栧彿涓虹┖")
+                } else {
+                    val bytes = encodeToBytes(s)
+                    channel.writeAndFlush(Unpooled.copiedBuffer(bytes))
+                    ctx?.writeAndFlush("[${packageData.deviceCode}] 鎸囦护鍙戦�佹垚鍔�")
+                }
+            } else {
+                ctx?.writeAndFlush("[${packageData.deviceCode}] 璁惧鏈繛鎺ユ垨涓嶅瓨鍦�")
+            }
+            return true
+        } else if (packageData.commandUnit != ObdCommandUnit.CarRegister.value
+                && packageData.commandUnit != ObdCommandUnit.RealTimeData.value
+                && packageData.commandUnit != ObdCommandUnit.ReplacementData.value
+                && packageData.commandUnit != ObdCommandUnit.CarLogOut.value
+                && packageData.commandUnit != ObdCommandUnit.TimeCalibration.value) {
+            ctx?.writeAndFlush("[${packageData.deviceCode}] 鍛戒护涓嶅瓨鍦�")
+
+            return true
+        } else {
+            return false
+        }
+    }
+
+    fun encodeToBytes(msg:String): ByteArray {
+        val list = msg.split(" ")
+        val bytes = ByteArray(list.size)
+        for (i in 0 until list.size) {
+            bytes[i]=list[i].toInt(16).toByte()
+        }
+
+        return bytes
+    }
+
+    fun getDataPackage(deviceCode: String?): String? {
+        if (deviceCode == null) return null
+        //23 23 7f 31 37 36 39 31 35 33 31 39 30 39 31 32 30 30 31 31 01 01 00 00 39
+        val sb = StringBuilder("23 23 10 ")
+        deviceCode.forEach {
+            sb.append(it.toInt().toString(16)).append(" ")
+        }
+        sb.append("01 01 00 00 00 0A 41 54 2B 56 45 52 53 49 4F 4E")
+
+        val list = sb.split(" ")
+
+        //璁$畻bcc鏍¢獙缁撴灉
+        var bcc = 0x00
+        list.forEach {
+            bcc = bcc.xor(it.toInt(16))
+        }
+
+        sb.append(" ").append(bcc.toString(16))
+
+        return sb.toString()
+    }
 }
\ No newline at end of file

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