├── .gitignore
├── README.md
├── docker-compose.yml
└── seckill_service
├── .idea
├── .name
├── Seckill_Service.iml
├── encodings.xml
├── jsLibraryMappings.xml
├── libraries
│ └── Seckill_Service_node_modules.xml
├── misc.xml
├── modules.xml
├── runConfigurations
│ └── bin_www.xml
└── workspace.xml
├── app.js
├── bin
└── www
├── package.json
├── public
└── stylesheets
│ └── style.css
├── routes
├── index.js
├── seckill.js
└── users.js
├── seckill_kafka_consumer.js
└── views
├── error.jade
├── index.jade
└── layout.jade
/.gitignore:
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1 | node_modules/
2 |
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/README.md:
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1 | # MockSecKill
2 |
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/docker-compose.yml:
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1 | version: '2'
2 | services:
3 | zookeeper:
4 | image: wurstmeister/zookeeper
5 | ports:
6 | - "2181:2181"
7 | kafka:
8 | image: wurstmeister/kafka
9 | links:
10 | - zookeeper:zk
11 | ports:
12 | - "9092:9092"
13 | depends_on:
14 | - zookeeper
15 | environment:
16 | KAFKA_ADVERTISED_HOST_NAME: 192.168.2.107
17 | KAFKA_ADVERTISED_PORT: "9092"
18 | KAFKA_ZOOKEEPER_CONNECT: zk:2181
19 | redis:
20 | image: redis
21 | ports:
22 | - "6379:6379"
23 | mysql:
24 | image: mysql
25 | ports:
26 | - "3306:3306"
27 | environment:
28 | MYSQL_ROOT_PASSWORD: root
29 |
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/seckill_service/.idea/.name:
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1 | Seckill_Service
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295 | $PROJECT_DIR$
296 | true
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/seckill_service/app.js:
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1 | var express = require('express');
2 | var path = require('path');
3 | var favicon = require('serve-favicon');
4 | var logger = require('morgan');
5 | var cookieParser = require('cookie-parser');
6 | var bodyParser = require('body-parser');
7 |
8 | var index = require('./routes/index');
9 | var users = require('./routes/users');
10 | var seckill = require('./routes/seckill');
11 |
12 | var app = express();
13 | app.listen(3000);
14 |
15 | // view engine setup
16 | app.set('views', path.join(__dirname, 'views'));
17 | app.set('view engine', 'jade');
18 |
19 | // uncomment after placing your favicon in /public
20 | //app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
21 | app.use(logger('dev'));
22 | app.use(bodyParser.json());
23 | app.use(bodyParser.urlencoded({ extended: false }));
24 | app.use(cookieParser());
25 | app.use(express.static(path.join(__dirname, 'public')));
26 |
27 | app.use('/', index);
28 | app.use('/users', users);
29 | app.use('/seckill', seckill);
30 |
31 | // catch 404 and forward to error handler
32 | app.use(function(req, res, next) {
33 | var err = new Error('Not Found');
34 | err.status = 404;
35 | next(err);
36 | });
37 |
38 | // error handler
39 | app.use(function(err, req, res, next) {
40 | // set locals, only providing error in development
41 | res.locals.message = err.message;
42 | res.locals.error = req.app.get('env') === 'development' ? err : {};
43 |
44 | // render the error page
45 | res.status(err.status || 500);
46 | res.render('error');
47 | });
48 |
49 | module.exports = app;
50 |
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/seckill_service/bin/www:
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1 | #!/usr/bin/env node
2 |
3 | /**
4 | * Module dependencies.
5 | */
6 |
7 | var app = require('../app');
8 | var debug = require('debug')('seckill-service:server');
9 | var http = require('http');
10 |
11 | /**
12 | * Get port from environment and store in Express.
13 | */
14 |
15 | var port = normalizePort(process.env.PORT || '3000');
16 | app.set('port', port);
17 |
18 | /**
19 | * Create HTTP server.
20 | */
21 |
22 | var server = http.createServer(app);
23 |
24 | /**
25 | * Listen on provided port, on all network interfaces.
26 | */
27 |
28 | server.listen(port);
29 | server.on('error', onError);
30 | server.on('listening', onListening);
31 |
32 | /**
33 | * Normalize a port into a number, string, or false.
34 | */
35 |
36 | function normalizePort(val) {
37 | var port = parseInt(val, 10);
38 |
39 | if (isNaN(port)) {
40 | // named pipe
41 | return val;
42 | }
43 |
44 | if (port >= 0) {
45 | // port number
46 | return port;
47 | }
48 |
49 | return false;
50 | }
51 |
52 | /**
53 | * Event listener for HTTP server "error" event.
54 | */
55 |
56 | function onError(error) {
57 | if (error.syscall !== 'listen') {
58 | throw error;
59 | }
60 |
61 | var bind = typeof port === 'string'
62 | ? 'Pipe ' + port
63 | : 'Port ' + port;
64 |
65 | // handle specific listen errors with friendly messages
66 | switch (error.code) {
67 | case 'EACCES':
68 | console.error(bind + ' requires elevated privileges');
69 | process.exit(1);
70 | break;
71 | case 'EADDRINUSE':
72 | console.error(bind + ' is already in use');
73 | process.exit(1);
74 | break;
75 | default:
76 | throw error;
77 | }
78 | }
79 |
80 | /**
81 | * Event listener for HTTP server "listening" event.
82 | */
83 |
84 | function onListening() {
85 | var addr = server.address();
86 | var bind = typeof addr === 'string'
87 | ? 'pipe ' + addr
88 | : 'port ' + addr.port;
89 | debug('Listening on ' + bind);
90 | }
91 |
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/seckill_service/package.json:
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1 | {
2 | "name": "seckill-service",
3 | "version": "0.0.0",
4 | "private": true,
5 | "scripts": {
6 | "start": "node ./bin/www"
7 | },
8 | "dependencies": {
9 | "body-parser": "~1.15.2",
10 | "cookie-parser": "~1.4.3",
11 | "debug": "~2.2.0",
12 | "express": "~4.14.0",
13 | "jade": "~1.11.0",
14 | "kafka-node": "^1.3.0",
15 | "morgan": "~1.7.0",
16 | "mysql": "^2.12.0",
17 | "redis": "^2.6.5",
18 | "serve-favicon": "~2.3.0"
19 | }
20 | }
21 |
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/seckill_service/public/stylesheets/style.css:
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1 | body {
2 | padding: 50px;
3 | font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
4 | }
5 |
6 | a {
7 | color: #00B7FF;
8 | }
9 |
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/seckill_service/routes/index.js:
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1 | var express = require('express');
2 | var router = express.Router();
3 |
4 | /* GET home page. */
5 | router.get('/', function(req, res, next) {
6 | res.render('index', { title: 'Express' });
7 | });
8 |
9 | module.exports = router;
10 |
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/seckill_service/routes/seckill.js:
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1 | var express = require('express');
2 | var router = express.Router();
3 | var redis = require('redis');
4 | var kafka = require('kafka-node');
5 | var Producer = kafka.Producer;
6 | var kafkaClient = new kafka.Client();
7 | var producer = new Producer(kafkaClient);
8 | var count = 0;
9 |
10 | router.post('/seckill', function (req, res) {
11 | console.log('count=' + count++);
12 | var fn = function (optionalClient) {
13 | if (optionalClient == 'undefined' || optionalClient == null) {
14 | var client = redis.createClient();
15 | }else{
16 | var client = optionalClient;
17 | }
18 | client.on('error', function (er) {
19 | console.trace('Here I am');
20 | console.error(er.stack);
21 | client.end(true);
22 | });
23 | client.watch("counter");
24 | client.get("counter", function (err, reply) {
25 | if (parseInt(reply) > 0) {
26 | var multi = client.multi();
27 | multi.decr("counter");
28 | multi.exec(function (err, replies) {
29 | if (replies == null) {
30 | console.log('should have conflict')
31 | fn(client);
32 | } else {
33 | var payload = [
34 | {
35 | topic: 'CAR_NUMBER',
36 | messages: 'buy 1 car',
37 | partition: 0
38 | }
39 | ];
40 | producer.send(payload, function (err, data) {
41 | console.log(data);
42 | });
43 | res.send(replies);
44 | client.end(true);
45 | }
46 | });
47 | } else {
48 | console.log("sold out!");
49 | res.send("sold out!");
50 | client.end(true);
51 | }
52 | })
53 | };
54 | fn();
55 | });
56 |
57 | module.exports = router;
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/seckill_service/routes/users.js:
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1 | var express = require('express');
2 | var router = express.Router();
3 |
4 | /* GET users listing. */
5 | router.get('/', function(req, res, next) {
6 | res.send('respond with a resource');
7 | });
8 |
9 | module.exports = router;
10 |
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/seckill_service/seckill_kafka_consumer.js:
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1 | var kafka = require('kafka-node'),
2 | Consumer = kafka.Consumer,
3 | client = new kafka.Client(),
4 | consumer = new Consumer(
5 | client,
6 | [
7 | {topic: 'CAR_NUMBER', partition: 0}
8 | ],
9 | {
10 | autoCommit: true
11 | }
12 | );
13 |
14 | var mysql = require('mysql');
15 | var connection = mysql.createConnection({
16 | host : 'localhost',
17 | user : 'root',
18 | password : 'root',
19 | database : 'seckill'
20 | });
21 |
22 | connection.connect();
23 |
24 | consumer.on('message', function (message) {
25 | connection.query('INSERT INTO seckill set ?', {date: new Date()}, function(error, results, fields){
26 | if(error){
27 | console.error(error);
28 | }
29 | console.log(results);
30 | })
31 | });
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/seckill_service/views/error.jade:
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1 | extends layout
2 |
3 | block content
4 | h1= message
5 | h2= error.status
6 | pre #{error.stack}
7 |
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/seckill_service/views/index.jade:
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1 | extends layout
2 |
3 | block content
4 | h1= title
5 | p Welcome to #{title}
6 |
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/seckill_service/views/layout.jade:
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1 | doctype html
2 | html
3 | head
4 | title= title
5 | link(rel='stylesheet', href='/stylesheets/style.css')
6 | body
7 | block content
8 |
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