xuchang-new/src/utils/index.js

import { store } from "../store";

export function randomInt(min, max, includeMax = false) {
  let Fn = includeMax ? Math.ceil : Math.floor;
  let num = Fn(Math.random() * max);
  while (num < min) {
    num = Fn(Math.random() * max);
  }
  return num;
}

export class WsClient {
  static wsServer = "ws://192.168.1.12:8081/xc-screen/websocket/info";
  static socket = null;
  static tryCount = 0;

  constructor() {
    if (WsClient.socket) return;
    WsClient.socket = new WebSocket(WsClient.wsServer);
    WsClient.socket.onopen = () => {
      console.log("[*] websocket connected!");
    };
    WsClient.socket.onmessage = (e) => {
      let serializedData = null;
      try {
        serializedData = JSON.parse(e.data);
      } catch (error) {
        console.log("[*] websocket: [unable to serialize] --->  ", e);
      }
      switch (serializedData?.type) {
        case "KilnInfo": {
          store.dispatch({
            type: "kiln/setKilnInfo",
            payload: serializedData.data,
          });
          break;
        }
        default: {
          console.log("websocket message: [unknown] --->  ", e.data);
        }
      }
    };
    WsClient.socket.onerror = (e) => {
      console.log("[*] websocket error!", e, e.data);
    };
    WsClient.socket.onclose = (e) => {
      let timer = setTimeout(() => {
        if (WsClient.tryCount < 3) {
          const wsc = new WsClient();
          wsc.init();
          WsClient.tryCount += 1;
        } else clearTimeout(timer);
      }, 30000);
    };
  }
}