w-comor-mqtt/srv.mjs

A websocket communicator in nodejs and browser. Mapping functions from nodejs to other end points, like a simple RPC.

import WComorMqttServer from './src/WComorMqttServer.mjs'
//import WComorMqttServer from './dist/w-comor-mqtt-server.umd.js'

function random(min, max) {
    return Math.floor(Math.random() * max) + min
}

let opt = {
    port: 8080, //for mqtt nodejs server
    portWeb: 8090, //for mqtt web server
    authenticate: function(token) {
        //使用token驗證使用者身份
        return new Promise(function(resolve, reject) {
            setTimeout(function() {
                resolve(true)
            }, 1000)
        })
    },
    filterFuncs: function(token, funcs) {
        //使用token驗證使用者身份與過濾可用funcs
        return new Promise(function(resolve, reject) {
            funcs = funcs.filter(function(v) {
                return v.indexOf('Hide') < 0
            })
            resolve(funcs)
        })
    },
    onClientChange: function(clients, opt) {
        console.log(`Server[port:${opt.port}][port for web:${opt.portWeb}] now clients: ${clients.length}`)
    },
    funcs: {
        'group.plus': function({ p1, p2 }) {
            return new Promise(function(resolve, reject) {
                setTimeout(function() {
                    resolve(p1 * p2)
                }, random(100, 3000))
            })
        },
        'group.div': function({ p1, p2 }) {
            return new Promise(function(resolve, reject) {
                setTimeout(function() {
                    resolve(p1 / p2)
                }, random(100, 3000))
            })
        },
        'add': function({ p1, p2 }) {
            return new Promise(function(resolve, reject) {
                setTimeout(function() {
                    resolve(p1 + p2)
                }, random(100, 3000))
            })
        },
        'addHide': function({ p1, p2 }) {
            return new Promise(function(resolve, reject) {
                setTimeout(function() {
                    resolve(p1 + p2)
                }, random(100, 3000))
            })
        },
        'minu': function({ p1, p2 }) {
            return new Promise(function(resolve, reject) {
                setTimeout(function() {
                    resolve(p1 - p2)
                }, random(100, 3000))
            })
        },
    },
}

new WComorMqttServer(opt)

opt.port = 8081
opt.portWeb = 8091
new WComorMqttServer(opt)

//node --experimental-modules --es-module-specifier-resolution=node srv.mjs