spray-wrtc/examples/main.js

Adaptive random peer-sampling protocol running on top of WebRTC

const S = require('spray-wrtc')

// #1 create 3 peers
const s1 = new S({config: {trickle: true}})
const s2 = new S({config: {trickle: true}})
const s3 = new S({config: {trickle: true}})
// #2 create 3 protocols
const p1 = s1.register('1')
const p2 = s2.register('1')
const p3 = s3.register('1')

// #3 simulate signaling server
const callback = (from, to) => {
  return (offer) => {
    to.connect((answer) => { from.connect(answer) }, offer)
  }
}

// #4 s1 contacts s2,  2-peers network
s1.join(callback(s1, s2)).then(console.log('s1 just joined the network.'))

// #5 s3 contacts s2, 3-peers network
setTimeout(() => {
  s3.join(callback(s3, s2)).then(() => {
    p3.emit('meow', s3.getPeers(1)[0], 'i', 'am', 'a', 'cat')
  })
}, 4000)

p1.on('meow', (i, am, a, cat) => console.log('@p1: %s %s %s %s', i, am, a, cat))
p2.on('meow', (i, am, a, cat) => console.log('@p2: %s %s %s %s', i, am, a, cat))
p3.on('meow', (i, am, a, cat) => console.log('@p3: %s %s %s %s', i, am, a, cat))