84 lines
1.9 KiB
JavaScript

'use strict'
const libp2p = require('libp2p')
const TCP = require('libp2p-tcp')
const SPDY = require('libp2p-spdy')
const PeerInfo = require('peer-info')
const waterfall = require('async/waterfall')
const parallel = require('async/parallel')
const series = require('async/series')
const pull = require('pull-stream')
class MyBundle extends libp2p {
constructor (peerInfo) {
const modules = {
transport: [new TCP()],
connection: {
muxer: [SPDY]
}
}
super(modules, peerInfo)
}
}
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]
node1.handle('/node-1', (protocol, conn) => {
pull(
conn,
pull.map((v) => v.toString()),
pull.log()
)
})
node2.handle('/node-2', (protocol, conn) => {
pull(
conn,
pull.map((v) => v.toString()),
pull.log()
)
})
series([
(cb) => node1.dial(node2.peerInfo, '/node-2', (err, conn) => {
if (err) { throw err }
pull(pull.values(['from 1 to 2']), conn)
cb()
}),
(cb) => node2.dial(node1.peerInfo, '/node-1', (err, conn) => {
if (err) { throw err }
pull(pull.values(['from 2 to 1']), conn)
cb()
})
], (err) => {
if (err) { throw err }
console.log('Addresses by which both peers are connected')
node1.peerBook
.getAllArray()
.forEach((peer) => console.log('node 1 to node 2:', peer.isConnected().toString()))
node2.peerBook
.getAllArray()
.forEach((peer) => console.log('node 2 to node 1:', peer.isConnected().toString()))
})
})