123 lines
5.4 KiB
JavaScript
123 lines
5.4 KiB
JavaScript
const WebSocket = require('ws');
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const util = require("../util/common");
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var { entityHJ, simuStatus } = require("../util/variable");
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const deltaT = 1000;
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const createServer = () => {
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// 创建WebSocket服务器
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const wss = new WebSocket.Server({ port: 9000 });
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wss.on('connection', function connection(ws) {
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console.log('新客户端已连接');
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// 定时发送消息
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const intervalId = setInterval(() => {
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var simType = simuStatus["运行状态"];
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if (simType == 1) {
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var currRadio = simuStatus["仿真倍速"];
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var currTime = simuStatus["当前时间"];
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if (entityHJ.size > 0) {
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var array = [];
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for (const [key, value] of entityHJ) {
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const keysArray = [...value.keys()];
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var indexKey = util.lower_bound(keysArray, currTime);
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if (indexKey < keysArray.length) {
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let point = {};
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var second = keysArray[indexKey];
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if (indexKey == 0) {
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point = value.get(second);
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}
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else {
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var first = keysArray[indexKey - 1];
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var delta_time = second - first;
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if (delta_time == 0.0) {
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point = value.get(first);
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}
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else {
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var pointfirst = value.get(first);
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var pointsecond = value.get(second);
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point["空速"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["空速"],
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pointsecond["空速"]);
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point["升降率"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["升降率"],
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pointsecond["升降率"]);
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point["过载"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["过载"],
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pointsecond["过载"]);
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point["马赫数"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["马赫数"],
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pointsecond["马赫数"]);
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point["经度"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["经度"],
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pointsecond["经度"]);
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point["纬度"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["纬度"],
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pointsecond["纬度"]);
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point["海拔"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["海拔"],
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pointsecond["海拔"]);
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point["航向角"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["航向角"],
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pointsecond["航向角"]);
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point["俯仰角"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["俯仰角"],
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pointsecond["俯仰角"]);
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point["倾斜角"] = util.interpolate(
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(currTime - first) / delta_time,
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pointfirst["倾斜角"],
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pointsecond["倾斜角"]);
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}
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}
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point["BDID"] = key;
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array.push(point);
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}
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}
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const message = {
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time: currTime,
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data: array
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};
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ws.send(JSON.stringify(message)); // 发送JSON格式的消息
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}
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var accTime = deltaT * currRadio;
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currTime += accTime;
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simuStatus["当前时间"] = currTime;
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}
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}, deltaT); // 每5秒发送一次消息
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// 可以在这里添加更多的逻辑，例如当客户端关闭连接时清除定时器等
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ws.on('close', () => {
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clearInterval(intervalId); // 清除定时器，防止内存泄漏
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console.log('客户端已断开连接');
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});
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});
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console.log('WebSocket服务器正在运行在ws://localhost:9000');
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}
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module.exports = createServer() |