Jacob Heun 0b75f99d75
feat: make libp2p a state machine (#257)
* docs: add events to readme
2018-10-19 17:37:34 +02:00

89 lines
2.0 KiB
JavaScript

/* eslint-disable no-console */
'use strict'
const libp2p = require('../../')
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')
const defaultsDeep = require('@nodeutils/defaults-deep')
class MyBundle extends libp2p {
constructor (_options) {
const defaults = {
modules: {
transport: [ TCP ],
streamMuxer: [ SPDY ]
}
}
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]
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.dialProtocol(node2.peerInfo, '/node-2', (err, conn) => {
if (err) { throw err }
pull(pull.values(['from 1 to 2']), conn)
cb()
}),
(cb) => node2.dialProtocol(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()))
})
})