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|
/* eslint-env browser */
const pc = new RTCPeerConnection({
iceServers: [
{
urls: 'stun:stun.l.google.com:19302'
}
]
})
const log = msg => {
document.getElementById('logs').innerHTML += msg + '<br>'
}
const sendChannel = pc.createDataChannel('foo')
sendChannel.onclose = () => console.log('sendChannel has closed')
sendChannel.onopen = () => console.log('sendChannel has opened')
sendChannel.onmessage = e => log(`Message from DataChannel '${sendChannel.label}' payload '${e.data}'`)
pc.oniceconnectionstatechange = e => log(pc.iceConnectionState)
pc.onicecandidate = event => {
if (event.candidate === null) {
document.getElementById('localSessionDescription').value = btoa(JSON.stringify(pc.localDescription))
}
}
pc.onnegotiationneeded = e =>
pc.createOffer().then(d => pc.setLocalDescription(d)).catch(log)
window.sendMessage = () => {
const message = document.getElementById('message').value
if (message === '') {
return alert('Message must not be empty')
}
sendChannel.send(message)
}
window.startSession = () => {
const sd = document.getElementById('remoteSessionDescription').value
if (sd === '') {
return alert('Session Description must not be empty')
}
try {
pc.setRemoteDescription(JSON.parse(atob(sd)))
} catch (e) {
alert(e)
}
}
window.copySDP = () => {
const browserSDP = document.getElementById('localSessionDescription')
browserSDP.focus()
browserSDP.select()
try {
const successful = document.execCommand('copy')
const msg = successful ? 'successful' : 'unsuccessful'
log('Copying SDP was ' + msg)
} catch (err) {
log('Unable to copy SDP ' + err)
}
}
|
