[英]Multiple API connections through Nodejs
I want to connect to theMovieDb api, and fetch a large number of movies. 我想连接到MovieDb API,并获取大量电影。 The api limit is 40 calls every 10 seconds and 20 connections per IP. api限制为每10秒40个调用和每个IP 20个连接。
How do I do this in node.js? 如何在node.js中执行此操作? Right now I have one http request to the api at a time, but anything more than 40 calls results in errors. 现在,我一次向api发送一个http请求,但是超过40次调用都会导致错误。
40 requests per 10 second, 20 concurrent connections, so in "one thread" we'll have to wait approximately 5 seconds. 每10秒40个请求,并发20个连接,因此在“一个线程”中,我们将不得不等待大约5秒钟。
There's an awesome library for all async stuff called async . 有一个很棒的库,用于所有异步内容,称为async 。
var loadOne = function (id, callback) {
// Do your stuff
// tell it to wait
setTimeout(callback, 5000);
}
async.mapLimit(arrayOfIds, 20, loadOne, function(err, results){
// results is now an array of stats for each file
});
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