document.title = "Strapp.io Client"
body.appendChild(root)
document.body = body
-
+const conf = {"iceServers": [{ "url": "stun:stun.1.google.com:19302" }] }
/* Poll the server. Send get request, wait for timeout, send another request.
Do this until...? Can be used for either reconnecting or waiting for answer*/
function pollServerTimeout(url, data, resolve, reject) {
- console.log(`Polling server ${url} with`)
- console.log(data)
+ console.log(`Polling server ${url} with ${data}`)
const request = new XMLHttpRequest()
request.open('GET', url, true)
request.setRequestHeader('Content-Type', 'application/json' )
request.setRequestHeader('X-Strapp-Type', JSON.stringify(data))
request.onreadystatechange = () => {
if (request.status === 200) {
- console.log(request.response)
- resolve(request.response)
+ if(request.readyState === 4) {
+ console.log('Client: Recieved answer from Host')
+ console.log(request)
+ resolve(request.response)
+ }
}
else if (request.status === 504) {
console.log('timed out, resending')
reject('server unhandled response of status ' + request.status)
}
}
- console.log(data)
request.send()
}
/* Create, set, and get client Offer. Poll server for host answer.
Set host answer as client remoteDescription */
-const cpc = new RTCPeerConnection()
-console.log('creating offer')
+const cpc = new RTCPeerConnection(conf)
+cpc.oniceconnectionstatechange = () => {
+ console.log('iceConnectionState = ' + cpc.iceConnectionState)
+}
cpc.createOffer().then((offer) => {
return cpc.setLocalDescription(offer)
})
sdp: cpc.localDescription,
pubKey: cpk
}
+ cpc.onicecandidate = (event) => {
+ if (event.candidate) {
+ console.log('Client: Sending ice candidate to host')
+ pollServer(window.location, wsock.send(JSON.stringify({
+ cmd: '> ice pubkey',
+ ice: event.candidate,
+ pubKey: cpk /* TODO: do we need to send this? */
+ })), pollServerTimeout)
+ }
+ else {
+ /* Set up data channel here */
+ console.log('Client: Finished setting up ICE candidates')
+ }
+ }
+ /* TODO: start polling for ice candidates, and then addIceCandidate() to cpc */
+ //pollServer(window.location, {ice}, pollServerTimeout)
+
+
/* Poll for answer */
return pollServer(window.location, offer, pollServerTimeout)
- }).then((answer) => {
- //console.log(answer)
+ }).then((serverResponse) => {
+ const answer = JSON.parse(serverResponse)
+ console.log(answer)
/* TODO: State machine to parse answer */
+ console.log('Setting Remote Description')
cpc.setRemoteDescription(answer.sdp)
}).catch( (err) => {
console.log('error in sdp handshake: ' + err)
})
-})
- .catch((err) => {
+}).catch((err) => {
console.log(err)
- })
+})