310 lines
9.8 KiB
TypeScript
310 lines
9.8 KiB
TypeScript
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/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import socket from '@ohos.net.socket';
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import fs from '@ohos.file.fs'
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import mediaLibrary from '@ohos.multimedia.mediaLibrary'
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import FileUtil from '../../common/utils/File'
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const TAG = '[UdpDemo.UdpClient]'
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// import common from '@ohos.app.ability.common';
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import prompt from '@ohos.prompt'
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import call from '@ohos.telephony.call';
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export default class UdpClientByCenter {
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private localIp: string = ''
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private localIpPort: string = ''
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private oppositeIp: string = ''
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private oppositeIpPort: string = ''
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private udpMsg: any=''
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private num:number = 0
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private fileUtil: FileUtil
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private udp: any = null
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private sendId: any = 0
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private lsh: string = null
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private context
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constructor(udplocalIp: string, udplocalIpPort:string,udpOppositeIp: string,udpOppositeIpPort:string) {
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this.localIp = udplocalIp
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this.oppositeIp = udpOppositeIp
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this.localIpPort = udplocalIpPort
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this.oppositeIpPort = udpOppositeIpPort
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setInterval(()=>{
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this.getliushuiNum()
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},1000)
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this.udp = socket.constructUDPSocketInstance();
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}
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rebindUdp(localIp: string, localIpPort:string,oppositeIp: string,oppositeIpPort:string){
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this.localIp = localIp
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this.oppositeIp = oppositeIp
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this.localIpPort = localIpPort
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this.oppositeIpPort = oppositeIpPort
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let promise = this.udp.bind({
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// address: '192.168.7.170', port: 20122, family: 1
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// address: '192.168.7.170', port: 31013, family: 1
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});
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promise.then(() => {
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console.log(`${TAG} udp bind success`);
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}).catch(err => {
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console.log(`${TAG} udp bind failed:${JSON.stringify(err)}`);
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});
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}
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bindUdp() {
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let promise = this.udp.bind({
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// address: '192.168.7.170', port: 20122, family: 1
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// address: '192.168.7.170', port: 31013, family: 1
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address: this.localIp, port: parseInt(this.localIpPort), family: 1
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});
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promise.then(() => {
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console.log(`${TAG} udp bind success`);
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}).catch(err => {
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console.log(`${TAG} udp bind failed:${JSON.stringify(err)}`);
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});
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}
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async getliushuiNum(){
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this.fileUtil = new FileUtil(this.context)
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const data = await this.fileUtil.readFile('/mnt/hmdfs/100/account/device_view/localfiles/files/config/liushui.txt');
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if(data === '' || data === undefined){
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this.num=0
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let str=this.num.toString()
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for(let i=0;str.length<=5;i++){
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str='0'+str
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}
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this.lsh=str
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// return str
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}else{
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this.num=Number(JSON.parse(data).value)+1
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let str=this.num.toString()
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for(let i=0;str.length<=5;i++){
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str='0'+str
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}
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this.lsh=str
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// return str
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}
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// this.num=Number(this.num)+1
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// let str=this.num.toString()
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// for(let i=0;str.length<=4;i++){
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// str='0'+str
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// }
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// return str
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// return '000001'
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}
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//异或运算
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setMessageExclusive(tmpList){
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let result = tmpList[0];
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for (let i = 1; i < tmpList.length; i++) {
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result = result ^ tmpList[i]
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}
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return [result];
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}
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Array2Byte(array) {
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var buf = new ArrayBuffer(array.length);
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var view = new Uint8Array(buf);
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for (var i = 0; i != array.length; ++i)
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{
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view[i] = array[i] & 0xFF;
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}
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return view;
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}
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//length消息体bufferlength id消息类型id bodyStr消息体string
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// setMsyBody(id,bodyByte){
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// {id: 31,list:[0,1,'0000000000000'],carNo:489,placeId:62}
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setWholeMsg(params){
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let head = this.setMsgHead(params);
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let headJudge = this.setMessageExclusive(head);
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let body = this.setMsgBody(params);
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let bodyJudge = this.setMessageExclusive(body);
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let end = [13,10];
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const arr=[...head, ...headJudge,...body, ...bodyJudge,...end]
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console.log('BitArray',arr)
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return this.Array2Byte(arr).buffer
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}
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setMsgHead({id, list, placeId=62, carNo=489}){
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let a = this.string2Bytes(`${id}${this.fillZero(placeId,3)}`, 2*8);
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let b = this.string2Bytes(`${carNo}${this.lsh}`, 4*8);
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let c = this.string2Bytes(list.length, 2*8);
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return [...a,...b,...c];
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}
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setMsgBody({id,list}) {
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let tmpList = []
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if(id == 31) {
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// tmpList.push(this.string2Bytes( list[0], 1 *8)[0])
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// tmpList.push(this.string2Bytes( list[1], 1 *8)[0])
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//
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// let str = list[2];
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// for(let i=0;i<str.length;i++){
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// tmpList.push(this.string2Bytes(str.charCodeAt(i), 1* 8)[0])
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// }
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tmpList = list
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}else {
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tmpList = list
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}
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return tmpList ;
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}
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string2Bytes(number, len) {
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// console.log('string2Bytes == ', number)
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let str = (+number).toString(2);
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if(str.length > len) {
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console.log('数据长度不对~~');
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return
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}
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var byteString = this.fillZero(str, len);
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var arrBytes = new Array();
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for (var i = byteString.length; i > 0;) {
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let j = i - 8;
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if (j < 0) {
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j = 0
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}
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var s = byteString.slice(j, i);
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var v = parseInt(s, 2);
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arrBytes.push(v);
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i = i - 8
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}
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return arrBytes;
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}
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//补0
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fillZero(str, len) {
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str = str + '';
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if (str.length > len || !len) {
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return str
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}
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let num = len - str.length;
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let zeroStr = '';
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for (var i = 0; i < num; i++) {
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zeroStr = zeroStr + '0'
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}
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return zeroStr + str;
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}
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// param {id: 31,list:tmpList,carNo:489,placeId:62}
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sendHeadMsg(msgData){
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//udpOppositeIp
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let promise = this.udp.send({
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data: msgData,
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address: {
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address: this.oppositeIp,
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port: parseInt(this.oppositeIpPort),
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}
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});
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promise.then(() => {
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console.log(`${TAG} udpLine send success:`);
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}).catch(err => {
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console.log(`${TAG} udpLine send fail:${JSON.stringify(err)}`);
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});
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}
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sendMsg(param,context?) {
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if(context){
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this.context=context
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}
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this.sendId=param.id
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console.log('tttttttttttt',param.id)
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const msgData=this.setWholeMsg(param)
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// const msgData=this.setMsyBody('31','010000000000000')
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let promise = this.udp.send({
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data: msgData,
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address: {
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address: this.oppositeIp,
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port: parseInt(this.oppositeIpPort),
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}
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});
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promise.then(() => {
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if(this.sendId=='46'&¶m.callback){
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param.callback()
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}
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console.log(`${TAG} udp send success:`);
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}).catch(err => {
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console.log(`${TAG} udp send fail:${JSON.stringify(err)}`);
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});
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}
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onMessage(callback,type?) {
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this.udp.on('message', value => {
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let arr=[]
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let dataView = new DataView(value.message)
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for (let i = 0;i < dataView?.byteLength; ++i) {
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arr[i]=dataView?.getUint8(i)
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}
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let idNum = '0x' + this.fillZero(arr[1].toString(16),2) + this.fillZero(arr[0].toString(16),2) ;
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let id = Math.floor(+idNum/1000)
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console.log('bitbit',arr)
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let lengthNum = '0x' + this.fillZero(arr[7].toString(16),2) + this.fillZero(arr[6].toString(16),2) ;
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let length= +lengthNum;
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let list=[]
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for(let i=9;i<=9+length-1;i++){
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list.push(arr[i])
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// let BodyNum = '0x' + this.fillZero(arr[i].toString(16),2) + this.fillZero(value.message[10].toString(16),2) + this.fillZero(value.message[11].toString(16),2) ;
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}
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// let BodyNum = '0x' + this.fillZero(value.message[9].toString(16),2) + this.fillZero(value.message[10].toString(16),2) + this.fillZero(value.message[11].toString(16),2) ;
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// let body = Math.floor(+BodyNum/1000)
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callback({id,length,body:list,sendId:this.sendId})
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});
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}
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closeUdp(callback) {
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this.udp.close(err=>{
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if(err){
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}else{
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this.udp.getState((err, data) => {
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if (err) {
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console.log('getState fail');
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return;
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}else{
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if(!data.isisClose){
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setTimeout(()=>{
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callback()
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},1000)
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}
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}
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console.log('getState success:' + JSON.stringify(data));
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})
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// let promise = this.udp.getState({});
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// promise.then(data => {
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//
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// console.log('getState success:' + JSON.stringify(data));
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// }).catch(err => {
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// callback()
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// console.log('getState fail');
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// });
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}
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});
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}
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}
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