mirror of
https://github.com/fluencelabs/js-libp2p
synced 2025-03-17 16:10:52 +00:00
6905f1ba41
* docs: update chat example and add info to its readme * docs: update echo example * docs: update libp2p in browser example * docs: update pubsub example * docs: update peer and content routing examples * docs: update discovery mechanisms example * docs: update encrypted comms example * docs: update protocol and stream muxing example * feat: add config validation * test: update CI configs, use only node 8
86 lines
1.9 KiB
JavaScript
86 lines
1.9 KiB
JavaScript
'use strict'
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const libp2p = require('../../')
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const TCP = require('libp2p-tcp')
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const Mplex = require('libp2p-mplex')
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const SECIO = require('libp2p-secio')
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const PeerInfo = require('peer-info')
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const MulticastDNS = require('libp2p-mdns')
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const defaultsDeep = require('@nodeutils/defaults-deep')
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const waterfall = require('async/waterfall')
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const parallel = require('async/parallel')
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const series = require('async/series')
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class MyBundle extends libp2p {
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constructor (_options) {
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const defaults = {
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modules: {
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transport: [ TCP ],
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streamMuxer: [ Mplex ],
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connEncryption: [ SECIO ],
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peerDiscovery: [ MulticastDNS ]
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},
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config: {
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peerDiscovery: {
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mdns: {
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interval: 2000,
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enabled: true
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}
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},
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EXPERIMENTAL: {
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pubsub: true
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}
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}
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}
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super(defaultsDeep(_options, defaults))
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}
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}
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function createNode (callback) {
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let node
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waterfall([
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(cb) => PeerInfo.create(cb),
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(peerInfo, cb) => {
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peerInfo.multiaddrs.add('/ip4/0.0.0.0/tcp/0')
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node = new MyBundle({
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peerInfo
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})
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node.start(cb)
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}
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], (err) => callback(err, node))
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}
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parallel([
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(cb) => createNode(cb),
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(cb) => createNode(cb)
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], (err, nodes) => {
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if (err) { throw err }
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const node1 = nodes[0]
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const node2 = nodes[1]
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series([
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(cb) => node1.once('peer:discovery', (peer) => node1.dial(peer, cb)),
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(cb) => setTimeout(cb, 500)
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], (err) => {
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if (err) { throw err }
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// Subscribe to the topic 'news'
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node1.pubsub.subscribe('news',
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(msg) => console.log(msg.from, msg.data.toString()),
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() => {
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setInterval(() => {
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// Publish the message on topic 'news'
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node2.pubsub.publish(
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'news',
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Buffer.from('Bird bird bird, bird is the word!'),
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() => {}
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)
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}, 1000)
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}
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)
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})
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})
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