65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
'use strict';
|
|
|
|
const async = require('asyncawait/async');
|
|
const await = require('asyncawait/await');
|
|
const ipfsd = require('ipfsd-ctl');
|
|
const OrbitDB = require('../src/OrbitDB');
|
|
const Timer = require('./Timer');
|
|
|
|
// usage: reader.js <host> <username> <channel> <interval in ms>
|
|
|
|
// orbit-server
|
|
const host = process.argv[2] ? process.argv[2] : 'localhost'
|
|
const port = 3333;
|
|
|
|
const username = process.argv[3] ? process.argv[3] : 'LambOfGod';
|
|
const password = '';
|
|
|
|
const channelName = process.argv[4] ? process.argv[4] : 'test';
|
|
const interval = process.argv[5] ? process.argv[5] : 1000;
|
|
|
|
const startIpfs = () => {
|
|
return new Promise((resolve, reject) => {
|
|
ipfsd.disposableApi((err, ipfs) => {
|
|
if(err) console.error(err);
|
|
resolve(ipfs);
|
|
});
|
|
});
|
|
};
|
|
|
|
let run = (async(() => {
|
|
try {
|
|
const ipfs = await(startIpfs());
|
|
const orbit = await(OrbitDB.connect(host, port, username, password, ipfs));
|
|
const db = await(orbit.eventlog(channelName));
|
|
|
|
let count = 1;
|
|
let running = false;
|
|
|
|
setInterval(async(() => {
|
|
if(!running) {
|
|
running = true;
|
|
|
|
let timer2 = new Timer(true);
|
|
let items = db.iterator({ limit: 20 }).collect();
|
|
console.log("---------------------------------------------------")
|
|
console.log("Timestamp | Value")
|
|
console.log("---------------------------------------------------")
|
|
console.log(items.map((e) => `${e.meta.ts} | ${e.value}`).join("\n"));
|
|
console.log("---------------------------------------------------")
|
|
console.log(`Query #${count} took ${timer2.stop(true)} ms\n`);
|
|
|
|
running = false;
|
|
count ++;
|
|
}
|
|
}), interval);
|
|
|
|
} catch(e) {
|
|
console.error(e.stack);
|
|
console.log("Exiting...")
|
|
process.exit(1);
|
|
}
|
|
}))();
|
|
|
|
module.exports = run;
|