优化udp

# Conflicts:
#	entry/src/main/ets/pages/compontents/SignDisplayCom.ets
#	entry/src/main/ets/pages/compontents/SignDisplayCom2.ets

entry/src/main/ets/common/utils/GlobalUdp.ts

@@ -10,6 +10,7 @@ export async function sendMsg(val) {
   // globalThis.udpClient1&&globalThis.udpClient1.sendMsg(val)
 }
 
+// obj
 export async function getUDP(context, errorFlag?) {
   return new Promise(async (reslove, reject) => {
     const fileUtil = new FileUtil(context)
@@ -76,6 +77,7 @@ export async function getUDP(context, errorFlag?) {
 
 }
 
+// 中心
 export async function getUDP2(context, errorFlag?) {
   const fileUtil = new FileUtil(context)
   const carInfo=AppStorage.get('carInfo')
@@ -159,6 +161,7 @@ export async function getUDP2(context, errorFlag?) {
 
 }
 
+// 灯光
 export async function setTopLineUdp() {
   const context=AppStorage.get('context')
   const fileUtil = new FileUtil(context)
@@ -181,6 +184,7 @@ export async function setTopLineUdp() {
 
 //
 let judgeUdpTimer
+// 评判
 export async function setJudgeUdp() {
   const context=AppStorage.get('context')
   const fileUtil = new FileUtil(context)

entry/src/main/ets/utils/UdpUtils.ets

@@ -0,0 +1,81 @@
+import socket from '@ohos.net.socket'
+
+type DealMethod = (value: ArrayBuffer) => string
+
+class UdpClient {
+  private localIp: string = ''
+  private localIpPort: string = ''
+  private oppositeIp: string = ''
+  private oppositeIpPort: string = ''
+  private messageEvents: Array<Function> = []
+  private udp: socket.UDPSocket = null
+  private disconnectEvents: Array<Function> = []
+  private dealMethod: DealMethod
+
+  private dealMessage() {
+    this.udp?.on("message", value => {
+      let result = this?.dealMethod(value.message)
+      this.messageEvents.forEach(cb => {
+        cb(result)
+      })
+    })
+  }
+
+  init(udpLocalIp: string, udpLocalIpPort: string, udpOppositeIp: string, udpOppositeIpPort: string) {
+    this.localIp = udpLocalIp
+    this.oppositeIp = udpOppositeIp
+    this.localIpPort = udpLocalIpPort
+    this.oppositeIpPort = udpOppositeIpPort
+    this.udp = socket.constructUDPSocketInstance();
+  }
+
+  bindUdp(): Promise<void> {
+    return this.udp.bind({ address: this.localIp, port: parseInt(this.localIpPort), family: 1 }).then(() => {
+      try {
+        this.dealMessage()
+        return Promise.resolve()
+      } catch (e) {
+        return Promise.reject(e)
+      }
+    })
+  }
+
+  async reBind() {
+    await this.close()
+    this.udp = socket.constructUDPSocketInstance();
+    await this.bindUdp()
+  }
+
+  close(): Promise<void> {
+    return this.udp?.close()
+  }
+
+  setDealMethod(fun: DealMethod) {
+    this.dealMethod = fun
+  }
+
+  onMessage(callback: Function) {
+    this.messageEvents.push(callback)
+  }
+
+  onDisconnect(callback: Function) {
+    this.disconnectEvents.push(callback)
+  }
+
+  sendMsg(data: string): Promise<void> {
+    return this.udp?.getState().then(() => {
+      return this.udp.send({
+        data,
+        address: { address: this.oppositeIp, port: parseInt(this.oppositeIpPort), family: 1 }
+      })
+    })
+  }
+}
+
+export const objUDPClient = new UdpClient()
+
+export const centerUDPClient = new UdpClient()
+
+export const lightUDPClient = new UdpClient()
+
+export const judgeUDPClient = new UdpClient()