From 6ef05cfee18fa6cc75a0af49317e92f6b6004a9f Mon Sep 17 00:00:00 2001 From: aozhiwei Date: Tue, 15 Mar 2022 13:15:30 +0800 Subject: [PATCH] init --- app.js | 131 ++++++ channel.js | 1 + config.js | 18 + db.js | 155 +++++++ event.js | 17 + log.js | 33 ++ package-lock.json | 1101 +++++++++++++++++++++++++++++++++++++++++++++ package.json | 12 + sync.js | 40 ++ utils.js | 173 +++++++ 10 files changed, 1681 insertions(+) create mode 100644 app.js create mode 100644 channel.js create mode 100644 config.js create mode 100644 db.js create mode 100644 event.js create mode 100644 log.js create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 sync.js create mode 100644 utils.js diff --git a/app.js b/app.js new file mode 100644 index 0000000..cf28cb8 --- /dev/null +++ b/app.js @@ -0,0 +1,131 @@ +const express = require('express'); +const mysql = require("mysql"); +const utils = require('./utils'); +const event = require('./event'); +const config = require('./config'); +const db = require('./db'); + +const app = express(); +const handlers = {}; +const middlewares = {}; +const dbPools = {}; +let sessionClass = null; +let useMiddlewares = []; + +function listen(port) { + app.listen(port); +} + +function get() { + +} + +function init() { + event.emitEvent(event.APP_INITIALIZED_EVENT); +} + +function registerHandler(c, a, cb) { + handlers[a + '@' + c] = { + 'cb': cb, + 'middlewares': useMiddlewares + }; +} + +function injectionSession(sessionCls) { + sessionClass = sessionCls; +} + +function addMiddleware(name, cb) { + middlewares[name] = cb; +} + +function useMiddleware(list, cb) { + try { + useMiddlewares = []; + list.forEach((name) => { + useMiddlewares.push(middlewares[name]); + }); + cb(); + } finally { + useMiddlewares = []; + } +} + +function registerDb(name, options) { + dbPools[name] = { + 'options': options, + 'pool': mysql.createPool({ + host : options['host'], + user : options['user'], + password : options['passwd'], + database : options['database'], + stringifyObjects : true + }) + }; +} + +function getDbConn(name) { + const ret = { + err: null, + conn: null, + }; + return new Promise((resolve) => { + if (!(name in dbPools)) { + ret.err = 'dbname not exists ' + name; + resolve(ret); + return; + } + const pool = dbPools[name]['pool']; + pool.getConnection(function(err, conn) { + ret.err = err; + ret.conn = new db(conn); + resolve(ret); + }); + }); +} + +process.on('unhandledRejection', (reason, promise) => { + console.log('Unhandled Rejection at:', promise, 'reason:', reason); + throw reason; +}); + +app.get('/webapp/index.php', async (req, rsp) => { + const c = req.query.c; + const a = req.query.a; + const handler = handlers[a + '@' + c]; + if (handler) { + const cb = handler['cb']; + const middlewares = handler['middlewares']; + if (sessionClass) { + const session = new sessionClass(req, rsp); + middlewares.forEach(async (m) => { + await m(session); + }); + await cb(session); + } else { + middlewares.forEach(async (m) => { + await m(req, rsp); + }); + await cb(req, rsp); + } + } else { + utils.rspErr(rsp, 100, 'not found'); + } +}); + +registerHandler('Ops', 'selfChecking', (req, rsp) => { + rsp.send(utils.jsonEncode({ + 'errcode': 0, + 'errmsg': '' + })); +}); + +exports.init = init; +exports.listen = listen; +exports.get = get; +exports.registerHandler = registerHandler; +exports.injectionSession = injectionSession; +exports.addMiddleware = addMiddleware; +exports.useMiddleware = useMiddleware; +exports.registerDb = registerDb; +exports.getDbConn = getDbConn; diff --git a/channel.js b/channel.js new file mode 100644 index 0000000..b1bde13 --- /dev/null +++ b/channel.js @@ -0,0 +1 @@ +exports.SELF_SDK = 6000; diff --git a/config.js b/config.js new file mode 100644 index 0000000..92fa05f --- /dev/null +++ b/config.js @@ -0,0 +1,18 @@ +const utils = require('./utils'); + +let loaded = false; +let configJson = null; + +function config(name) { + if (!loaded) { + let configDir = './config/'; + if (utils.isOnlineEnv()) { + configDir = '../config/'; + } + loaded = true; + configJson = utils.readJsonFromFile(configDir + 'config.json'); + } + return configJson ? configJson[name] : null; +} + +module.exports = config; diff --git a/db.js b/db.js new file mode 100644 index 0000000..fab37f4 --- /dev/null +++ b/db.js @@ -0,0 +1,155 @@ +const util = require("util"); +const log = require("./log"); + +class DB { + + constructor(conn) { + this.conn = conn; + } + + execQuery(sql, params) { + return new Promise((resolve) => { + const ret = { + err: null, + rows: null, + }; + this.conn.query(sql, params, (err, rows) => { + try { + if (err) { + ret.err = err; + resolve(ret); + log.error(util.format( + 'sql:%s err:%s', + sql, err + )); + } else { + ret.err = err; + ret.rows = rows; + resolve(ret); + } + } finally { + //this.conn.release(); + } + }); + }); + } + + async execQueryOne(sql, params) { + const {err, rows} = await this.execQuery(sql, params); + return { + 'err': err, + 'row': rows && rows.length > 0 ? rows[0] : null + }; + } + + async execScript(sql, params) { + const {err, rows} = await this.execQuery(sql, params); + return err; + } + + async update(tblName, whereList, fieldList) { + const params = []; + let sql = 'UPDATE `' + tblName + '` SET '; + + fieldList.forEach((item, index) => { + const suffix = (index + 1 < fieldList.length ? ',': ''); + sql += ' `' + item[0] + '`=?' + suffix; + params.push(item[1]); + }); + + sql += ' WHERE 1=1'; + whereList.forEach((item, index) => { + sql += ' AND ' + item[0] + '=?'; + params.push(item[1]); + }); + + this.execScript(sql, params); + } + + async insert(tblName, fieldList) { + const params = []; + let sql = 'INSERT INTO `' + tblName + '` ('; + + fieldList.forEach((item, index) => { + const suffix = (index + 1 < fieldList.length ? ',': ''); + sql += '`' + item[0] + '`' + suffix; + }); + + sql += ') VALUES ('; + fieldList.forEach((item, index) => { + const suffix = (index + 1 < fieldList.length ? ',': ''); + sql += '?' + suffix; + params.push(item[1]); + }); + sql += ')'; + + this.execScript(sql, params); + } + + async upsert(tblName, whereList, updateList, insertList, opts = null) { + const params = []; + let sql = 'SELECT * FROM `' + tblName + '` '; + { + sql += ' WHERE 1=1'; + whereList.forEach((item, index) => { + sql += ' AND ' + item[0] + '=?'; + params.push(item[1]); + }); + sql += ' LIMIT 1;' + } + + const {err, row} = await this.execQueryOne + ( + sql, + params + ); + if (err) { + return; + } + if (row) { + if (opts && utils.getVal(opts, 'onQueryOk')) { + opts['onQueryOk'](row); + } + await this.update(tblName, whereList, updateList); + } else { + await this.insert(tblName, insertList); + } + } + + async _delete(tblName, whereList) { + const params = []; + let sql = 'DELETE FROM `' + tblName + '` '; + + sql += ' WHERE 1=1'; + whereList.forEach((item, index) => { + sql += ' AND ' + item[0] + '=?'; + params.push(item[1]); + }); + + this.execScript(sql, params); + } + + async ormSelect(tblName, whereList) { + const params = []; + let sql = 'SELECT * FROM `' + tblName + '` '; + + sql += ' WHERE 1=1'; + whereList.forEach((item, index) => { + sql += ' AND ' + item[0] + '=?'; + params.push(item[1]); + }); + + return this.execQuery(sql, params); + } + + async ormSelectOne(tblName, whereList) { + const {err, rows} = await this.ormSelect(tblName, whereList); + return { + 'err': err, + 'row': rows.length > 0 ? rows[0] : null + }; + } + +} + +module.exports = DB; diff --git a/event.js b/event.js new file mode 100644 index 0000000..6cdae8d --- /dev/null +++ b/event.js @@ -0,0 +1,17 @@ +const events = require('events'); + +const event = new events.EventEmitter(); + +const APP_INITIALIZED_EVENT = '!app.initialized'; + +function addListener(eventName, listener) { + event.on(eventName, listener); +} + +function emitEvent(eventName, ...args) { + event.emit(eventName, ...args); +} + +exports.addListener = addListener; +exports.emitEvent = emitEvent; +exports.APP_INITIALIZED_EVENT = APP_INITIALIZED_EVENT; diff --git a/log.js b/log.js new file mode 100644 index 0000000..45132e4 --- /dev/null +++ b/log.js @@ -0,0 +1,33 @@ +const utils = require('./utils'); + +function warning(msg) { + internalLog('[WARNING]', msg); +} + +function info(msg) { + internalLog('[INFO]', msg); +} + +function error(msg) { + internalLog('[ERROR]', msg); +} + +function alert(msg) { + internalLog('[ALERT]', msg); +} + +function debug(msg) { + if (!utils.isOnlineEnv()) { + internalLog('[DEBUG]', msg); + } +} + +function internalLog(logClass, msg) { + console.log(utils.formatDate(new Date()) + ' ' + logClass + ' ' + msg); +} + +exports.warning = warning; +exports.info = info; +exports.alert = alert; +exports.error = error; +exports.debug = debug; diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..adc01bb --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1101 @@ +{ + "name": "j7", + "version": "1.0.0", + "lockfileVersion": 2, + 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}, + "utils-merge": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz", + "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=" + }, + "vary": { + "version": "1.1.2", + "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", + "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=" + } + } +} diff --git a/package.json b/package.json new file mode 100644 index 0000000..33530e7 --- /dev/null +++ b/package.json @@ -0,0 +1,12 @@ +{ + "name": "j7", + "version": "1.0.0", + "description": "", + "private": true, + "scripts": {}, + "dependencies": { + "crc-32": "^1.2.1", + "express": "^4.17.2", + "mysql": "~2.18.1" + } +} diff --git a/sync.js b/sync.js new file mode 100644 index 0000000..4479520 --- /dev/null +++ b/sync.js @@ -0,0 +1,40 @@ +const utils = require('./utils'); + +class Cond { + + constructor() { + this.waitList = []; + } + + async wait(timeout) { + return new Promise((resolve) => { + const waitIdx = this.waitList.length; + this.waitList.push({ + 'resolve': resolve, + 'timer': setTimeout(() => { + if (waitIdx < this.waitList.length && + this.waitList[waitIdx]['resolve'] == resolve) { + this.waitList = this.waitList.splice(waitIdx, 1); + } else { + utils.throwError('cond waitIdx error'); + } + resolve(); + }, timeout) + }); + }); + } + + notifyAll() { + if (this.waitList.length > 0) { + const waitListCopy = this.waitList; + this.waitList = []; + waitListCopy.forEach((v) => { + clearTimeout(v['timer']); + v['resolve'](); + }); + } + } + +}; + +exports.Cond = Cond; diff --git a/utils.js b/utils.js new file mode 100644 index 0000000..222cbe7 --- /dev/null +++ b/utils.js @@ -0,0 +1,173 @@ +const fs = require('fs'); +const crypto = require('crypto'); +const crc32 = require('crc-32'); +const serverEnv = process.env['SERVER_ENV']; + +function rspErr(rsp, errCode, errMsg) { + rsp.send(jsonEncode({ + 'errcode': errCode, + 'errmsg': errMsg + })); +} + +function rspOk(rsp) { + rsp.send(jsonEncode({ + 'errcode': 0, + 'errmsg': '' + })); +} + +function rspData(rsp, data) { + data['errcode'] = 0; + data['errmsg'] = ''; + rsp.send(jsonEncode(data)); +} + +function readJsonFromFile(url) { + const jsondata = fs.readFileSync(url, "utf8"); + const json = JSON.parse(jsondata); + return json; +} + +async function sleep(timeout) { + return new Promise(function (resolve, reject) { + setTimeout(function () { + resolve(); + }, timeout); + }); +} + +function emptyReplace(val, newVal) { + return !val ? newVal : val; +} + +function throwError(msg) { + console.log(msg); + throw msg; +} + +function isOnlineEnv() { + return !serverEnv; +} + +function getUtcTime() { + return Math.floor((new Date()).getTime() / 1000); +} + +function formatDate(date) { + const year = date.getFullYear(); + const month = date.getMonth() + 1;//月份是从0开始的 + const day = date.getDate(); + const hour = date.getHours(); + const min = date.getMinutes(); + const sec = date.getSeconds(); + return year + '-' + + (month < 10 ? '0' + month : month) + '-' + + (day < 10 ? '0' + day : day) + ' ' + + (hour < 10 ? '0' + hour : hour) + ':' + + (min < 10 ? '0' + min : min) + ':' + + (sec < 10 ? '0' + sec : sec); +} + +function pad(num, n) { + let result = num.toString(); + let len = result.length; + while (len < n) { + result = '0' + result; + len++; + } + return result; +} + +function randRange(min, max) { + if (min >= max) { + return min; + } + return min + Math.random() * max; +} + +function jsonEncode(obj) { + return JSON.stringify(obj); +} + +function isArray(val) { + return Array.isArray(val); +} + +function isObject(val) { + return typeof(obj) == "object"; +} + +function crc32Str(str) { + return crc32.str('' + str); +} + +function createAccountId(channel, gameId, openId) { + const accountId = `${channel}_${gameId}_${openId}`; + return accountId; +} + +function extractChannel(accountId) { + const ss = accountId.split('_'); + return ss[0]; +} + +function extractGameId(accountId) { + const ss = accountId.split('_'); + return ss[1]; +} + +function extractOpenId(accountId) { + const channel = extractChannel(accountId); + const gameId = extractGameId(accountId); + const openId = accountId.substr(accountId.indexOf(`${channel}_${gameId}_`)); + return openId; +} + +function createSessionId(accountId, registerTime, secretKey) { + const nowTime = getUtcTime(); + const rand = randRange(1, 1000000000); + const sessionId = '' + + nowTime + '_' + + registerTime + '_' + + rand + '_' + + md5Str('' + accountId + secretKey + registerTime + nowTime); + + return sessionId; +} + +function md5Str(data) { + const hash = crypto.createHash('md5'); + return hash.update(data).digest('hex'); +} + +function getVal(obj, key, defVal = null) { + if (!obj){ + return val; + } + return key in obj ? obj[key] : defVal; +} + +exports.rspErr = rspErr; +exports.rspOk = rspOk; +exports.rspData = rspData; +exports.readJsonFromFile = readJsonFromFile; +exports.sleep = sleep; +exports.emptyReplace = emptyReplace; +exports.throwError = throwError; +exports.isOnlineEnv = isOnlineEnv; +exports.getUtcTime = getUtcTime; +exports.formatDate = formatDate; +exports.pad = pad; +exports.randRange = randRange; +exports.jsonEncode = jsonEncode; +exports.isArray = isArray; +exports.isObject = isObject; +exports.crc32Str = crc32Str; +exports.createAccountId = createAccountId; +exports.extractChannel = extractChannel; +exports.extractGameId = extractGameId; +exports.extractOpenId = extractOpenId; +exports.createSessionId = createSessionId; +exports.md5Str = md5Str; +exports.getVal = getVal;