xuchang-screen/websocket/server.ts

131 lines
3.1 KiB
TypeScript

import { WebSocket, WebSocketServer } from 'ws';
import template from './template.json';
import utils from './utils';
const wss = new WebSocketServer({ port: 9800 });
const frequency = 10; // seconds
const frequency1 = 1200; // seconds
wss.on('connection', function (ws, req) {
// console.log("ws", ws);
console.log(
'Client in: ',
req.socket.remoteAddress,
'current users:',
wss.clients.size,
);
// ws.on("error", console.error);
// ws.emit("message", "connected");
ws.on('open', function () {
console.log('connected');
ws.send('connected');
});
ws.on('message', function (msg) {
console.log('message from client', msg);
ws.send('echo ' + msg.toString());
});
ws.on('error', console.error);
const timer = setInterval(() => {
sendMsg(ws, 'kiln-info'); // 窑炉信息
sendMsg(ws, 'energy-cost'); // 运行状态
sendMsg(ws, 'realtime');
sendMsg(ws, 'his-trend');
// sendMsg(ws, 'gas');
// sendMsg(ws, 'kiln-top');
// sendMsg(ws, 'kiln-bottom');
}, frequency * 1000);
const timer1 = setInterval(() => {
sendMsg(ws, 'run-state'); // 运行状态
}, frequency1 * 1000);
ws.on('close', function () {
console.log('停止监听');
clearInterval(timer);
clearInterval(timer1);
});
});
type MsgType =
| 'kiln-info'
| 'run-state'
| 'energy-cost'
| 'realtime'
| 'his-trend'
| 'fan'
| 'gas'
| 'kiln-top'
| 'kiln-bottom';
type ResponseData = {
[key: string]: string | string[];
};
type ResponseDataComplex = {
[key: string]: ResponseData;
};
function sendMsg(ws: WebSocket, type: MsgType) {
let data: ResponseData | ResponseDataComplex = {};
switch (type) {
case 'kiln-info':
for (const key in template.kilnInfo) {
data[key] = utils.getRandom(
template.kilnInfo[key as keyof typeof template.kilnInfo],
);
}
break;
case 'energy-cost':
for (const key in template.energyCost) {
data[key] = utils.getRandom(
template.energyCost[key as keyof typeof template.energyCost],
);
}
break;
case 'run-state':
data = template.runState;
break;
case 'realtime':
/** 天然气 实时流量 */
data.gasii = template.realtime.gasii.map((v) => utils.getRandom(v));
/** 助燃风 实时流量 */
data.wind = template.realtime.wind.map((v) => utils.getRandom(v));
break;
case 'his-trend':
const hisTrend: {
gas: ResponseData;
wind: ResponseData;
} = {
gas: {},
wind: {},
};
Object.keys(template.hisTrend.gas).forEach((key) => {
hisTrend.gas[key] = template.hisTrend.gas[
key as keyof typeof template.hisTrend.gas
].map((v) => utils.getRandom(v));
});
Object.keys(template.hisTrend.wind).forEach((key) => {
hisTrend.wind[key] = template.hisTrend.wind[
key as keyof typeof template.hisTrend.wind
].map((v) => utils.getRandom(v));
});
data = hisTrend;
break;
case 'gas':
// data = template.gas;
break;
case 'kiln-top':
// data = template.kilnTop;
break;
case 'kiln-bottom':
// data = template.kilnBottom;
break;
default:
// data = 'You are connected!';
break;
}
// console.log("sendMsg: ", ws);
// ws.emit("message", JSON.stringify(data));
ws.send(JSON.stringify({ type, data }));
}