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@@ -5,11 +5,14 @@ const cache = global.yoho.cache.master; |
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const config = global.yoho.config;
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const ONE_DAY = 60 * 60 * 24;
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const MAX_QPS = config.maxQps;
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const MAX_QPS_10m = config.maxQps10m;
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const _ = require('lodash');
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const PAGES = {
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'/product/\\/pro_([\\d]+)_([\\d]+)\\/(.*)/': 5,
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'/product/list/index': 5
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'/product/^\\/(\\d+)\\.html/': 5,
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'/product/list/index': 5,
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'/product/index/index': 5,
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'/product/search/list': 5
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};
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function urlJoin(a, b) {
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@@ -26,7 +29,8 @@ module.exports = (limiter, policy) => { |
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const req = limiter.req,
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res = limiter.res;
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const key = `pc:limiter:${limiter.remoteIp}`;
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const key = `h5:limiter:${limiter.remoteIp}`;
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const key10m = `h5:limiter:10m:${limiter.remoteIp}`;
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res.on('render', function() {
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let route = req.route ? req.route.path : '';
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@@ -39,37 +43,55 @@ module.exports = (limiter, policy) => { |
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let pageKey = urlJoin(appPath, route.toString()); // route may be a regexp
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let pageIncr = PAGES[pageKey] || 0;
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if (/^\/p([\d]+)/.test(req.path)) {
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pageIncr = 5;
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}
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if (pageIncr > 0) {
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cache.incrAsync(key, pageIncr, () => {});
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cache.incrAsync(key, pageIncr);
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cache.incrAsync(key10m, pageIncr);
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}
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});
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return cache.getAsync(key).then((result) => {
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logger.debug('qps limiter: ' + key + '@' + result + ' max: ' + MAX_QPS);
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return cache.getMultiAsync([key, key10m]).then((results) => {
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let result = results[key];
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let result10m = results[key10m];
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if (result && _.isNumber(result)) {
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logger.debug('qps limiter: ' + key + '@' + result + ' max: ' + MAX_QPS);
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logger.debug('qps limiter 10m: ' + key10m + '@' + result10m + ' max: ' + MAX_QPS_10m);
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if (result === -1) {
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return Promise.resolve(true);
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}
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// 默认数据设置
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if (!result && !_.isNumber(result)) {
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cache.setAsync(key, 1, 60); // 设置key,1m失效
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}
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if (result > MAX_QPS) { // 判断 qps
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cache.touch(key, ONE_DAY);
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logger.debug('req limit', key);
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if (!result10m && !_.isNumber(result10m)) {
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cache.setAsync(key10m, 1, 600); // 设置key,10m失效
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}
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return Promise.resolve(policy);
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} else {
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cache.incrAsync(key, 1); // qps + 1
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return Promise.resolve(true);
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// 第一次访问,都没计数,直接过
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if (!result && !_.isNumber(result) && !result10m && !_.isNumber(result10m)) {
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return Promise.resolve(true);
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}
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}
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} else {
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cache.setAsync(key, 1, 60); // 设置key,1m失效
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if (result === -1 || result10m === -1) {
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return Promise.resolve(true);
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}
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// 判断 qps 10分钟
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if (result10m > MAX_QPS_10m) {
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cache.touch(key10m, ONE_DAY);
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logger.debug('req limit', key10m);
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return Promise.resolve(policy);
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}
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// 判断 qps 1分钟
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if (result > MAX_QPS) {
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cache.touch(key, ONE_DAY);
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logger.debug('req limit', key);
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return Promise.resolve(policy);
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}
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cache.incrAsync(key, 1); // qps + 1
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cache.incrAsync(key10m, 1); // qps + 1
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return Promise.resolve(true);
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});
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}; |
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