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const app = require('express')();
const path = require('path');
const redis = require('redis');
const srs = require('secure-random-string');
// The hostname is the first argument.
const host_name = process.argv[2];
var client = redis.createClient({host: host_name, detect_buffers: true});
app.set('views', __dirname);
app.set('view engine', 'hbs');
app.get('/', (req, res) => {
var tmp = [];
/* Pull four random keys from the redis server. */
for (i = 0; i < 4; i++) {
client.get(Math.floor(Math.random() * (100)), function(err, reply) {
tmp.push(reply.toString());
});
}
res.render('index', {text: tmp});
});
/**
* Securely generate a random string.
* @param {number} len
* @return {string}
*/
function randomBody(len) {
return srs({alphanumeric: true, length: len});
}
/** Mutates one hundred keys randomly. */
function generateText() {
for (i = 0; i < 100; i++) {
client.set(i, randomBody(1024));
}
}
generateText();
app.listen(8080);
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