David Dias 6905f1ba41
feat: (BREAKING CHANGE) overhaul libp2p config and constructor
* 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
2018-06-28 10:06:25 +02:00

86 lines
1.9 KiB
JavaScript

'use strict'
const libp2p = require('../../')
const TCP = require('libp2p-tcp')
const Mplex = require('libp2p-mplex')
const SECIO = require('libp2p-secio')
const PeerInfo = require('peer-info')
const MulticastDNS = require('libp2p-mdns')
const defaultsDeep = require('@nodeutils/defaults-deep')
const waterfall = require('async/waterfall')
const parallel = require('async/parallel')
const series = require('async/series')
class MyBundle extends libp2p {
constructor (_options) {
const defaults = {
modules: {
transport: [ TCP ],
streamMuxer: [ Mplex ],
connEncryption: [ SECIO ],
peerDiscovery: [ MulticastDNS ]
},
config: {
peerDiscovery: {
mdns: {
interval: 2000,
enabled: true
}
},
EXPERIMENTAL: {
pubsub: true
}
}
}
super(defaultsDeep(_options, defaults))
}
}
function createNode (callback) {
let node
waterfall([
(cb) => PeerInfo.create(cb),
(peerInfo, cb) => {
peerInfo.multiaddrs.add('/ip4/0.0.0.0/tcp/0')
node = new MyBundle({
peerInfo
})
node.start(cb)
}
], (err) => callback(err, node))
}
parallel([
(cb) => createNode(cb),
(cb) => createNode(cb)
], (err, nodes) => {
if (err) { throw err }
const node1 = nodes[0]
const node2 = nodes[1]
series([
(cb) => node1.once('peer:discovery', (peer) => node1.dial(peer, cb)),
(cb) => setTimeout(cb, 500)
], (err) => {
if (err) { throw err }
// Subscribe to the topic 'news'
node1.pubsub.subscribe('news',
(msg) => console.log(msg.from, msg.data.toString()),
() => {
setInterval(() => {
// Publish the message on topic 'news'
node2.pubsub.publish(
'news',
Buffer.from('Bird bird bird, bird is the word!'),
() => {}
)
}, 1000)
}
)
})
})