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feat(p2p): random peer exchange

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This commit is contained in:
Alexey Kasyanchuk 2018-04-05 09:11:12 +03:00
parent 5daf9f5c65
commit fac6736710
2 changed files with 17 additions and 2 deletions
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5
src/background/p2p.js
View File

@ -1,4 +1,5 @@
import ssh from './ssh'
import shuffle from './shuffle'
const config = require('./config');
const net = require('net')
const JsonSocket = require('json-socket')
@ -58,7 +59,7 @@ class p2p {
protocol: 'rats',
version: this.version,
info: this.info,
peers: this.peersList().slice(0, 4).map(peer => ({address: peer.address, port: peer.port}))
peers: shuffle(this.peersList()).slice(0, 4).map(peer => ({address: peer.address, port: peer.port}))
})
// try to connect back
@ -231,7 +232,7 @@ class p2p {
port: config.spiderPort,
version: this.version,
info: this.info,
peers: this.peersList().slice(0, 4).map(peer => ({address: peer.address, port: peer.port})).concat(this.externalPeers) // also add external peers
peers: shuffle(this.peersList()).slice(0, 4).map(peer => ({address: peer.address, port: peer.port})).concat(this.externalPeers) // also add external peers
}, (data) => {
if(!data || data.protocol != 'rats')
return

14
src/background/shuffle.js Normal file
View File

@ -0,0 +1,14 @@
/**
* Shuffles array in place.
* @param {Array} a items An array containing the items.
*/
export default function shuffle(a) {
let j, x, i;
for (i = a.length - 1; i > 0; i--) {
j = Math.floor(Math.random() * (i + 1));
x = a[i];
a[i] = a[j];
a[j] = x;
}
return a
}