SunjiApplet/utils/mqMonitor.js

var app = getApp();
var mqUtils = require('mqttSubstribe.js');
var timerHolder = null;
var startMonitor = function(currentPage, type) {
  var that = this;
  var time = 35000;
  app.page = currentPage;
  // 获取c li
  var client = app.client;
  if (client && type == 0) { // 
    console.log("重新订阅主题");
    mqUtils.doSubscribe();
  }
  // 线连接一次
  // mqUtils.doConnect(page);
  if (!timerHolder) {
    timerHolder = setInterval(function() {
      var client = app.client;
      if (!client || !client.isConnected()) {
        console.log(client);
        console.log("mqtt----------检测连接")
        mqUtils.doConnect();
      } else {
        console.log(" mqttMonitor 已连接....");
      }
    }, 1500);
  }
}

// 取消订阅主题
var startCancel = function() {
  mqUtils.unsubscribe();
}

module.exports = {
  startMonitor: startMonitor,
  startCancel: startCancel,
}