syndicate-lang
/
js-marketplace-2014
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

WIP from Aug 27 2014

This commit is contained in:
Tony Garnock-Jones 2014-10-10 19:28:35 -07:00
parent d8c9209017
commit a7e832b59f
1 changed files with 66 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
examples/webrtc/index.js
View File

@ -4,8 +4,8 @@ function chatEvent(nym, status, utterance, stamp) {
return ["chatEvent", nym, status, utterance, stamp || +(new Date())];
}
function halfConnection(fromNym, toNym, sdp) {
return ["route", fromNym, toNym, sdp];
function halfConnection(fromNym, toNym, sdp, ice) {
return ["route", fromNym, toNym, sdp, ice];
}
function remoteValue(x, metaLevel) {
@ -46,7 +46,7 @@ $(document).ready(function () {
//
var dm = new Minimart.DemandMatcher(remoteValue(chatEvent(_$, __, __, __)), 0, {
supplyProjection: remoteValue(halfConnection(__, _$, __))
supplyProjection: remoteValue(halfConnection(__, _$, __, __))
});
dm.onDemandIncrease = function (captures) {
spawnRoute(captures[0]);
@ -59,9 +59,11 @@ $(document).ready(function () {
//
function spawnRoute(remoteNym) {
console.log("spawnRoute", remoteNym);
var RTCPeerConnection = (window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection);
var RTCSessionDescription = (window.RTCSessionDescription || window.mozRTCSessionDescription || window.webkitRTCSessionDescription);
var RTCIceCandidate = (window.RTCIceCandidate || window.mozRTCIceCandidate || window.webkitRTCIceCandidate);
console.log("spawnRoute", remoteNym);
World.spawn(new Actor(function () {
var self = this;
@ -70,41 +72,81 @@ $(document).ready(function () {
if (localNym !== remoteNym) {
self.pc = new RTCPeerConnection(rtcConfig);
console.log(self.pc);
self.ch = self.pc.createDataChannel('x'); // TODO -- label
self.localSdp = null;
self.localIce = [];
self.remoteSdp = null;
self.remoteIce = [];
// WebRTC likes to pretend UDP is like a phone call.
self.isOriginator = localNym < remoteNym;
var errback = World.wrap(function (err) { // TODO - make a standard World utility?
throw err;
});
setTimeout(World.wrap(function () {
self.pc.onicecandidate = World.wrap(function (e) {
self.localSdp = self.pc.localDescription.sdp;
self.updateRoutes();
});
function flushLocalIce() {
if (!self.remoteSdp) { return; }
while (self.localIce.length) {
World.send(remoteValue(halfConnection(localNym,
remoteNym,
self.localSdp,
self.localIce.shift())));
}
}
self.pc.onicecandidate = World.wrap(function (e) {
if (e && e.candidate) {
var ice = [e.candidate.candidate, e.candidate.sdpMLineIndex, e.candidate.sdpMid];
console.log("LOCAL CANDIDATE", JSON.stringify(ice));
self.localIce.push(ice);
flushLocalIce();
}
});
if (self.isOriginator) {
self.pc.createOffer(function (offer) {
console.log("HERE", self.pc.setLocalDescription);
console.log("BLAH", new RTCSessionDescription(offer));
self.pc.setLocalDescription(new RTCSessionDescription(offer), function () {}, errback);
self.pc.setLocalDescription(new RTCSessionDescription(offer), function () {
self.localSdp = self.pc.localDescription.sdp;
self.updateRoutes();
}, errback);
}, errback);
}), 0);
}
Actor.advertise(
function () { return remoteValue(halfConnection(localNym, remoteNym, self.localSdp)) },
{ when: function () { return self.localSdp } });
function () { return remoteValue(halfConnection(localNym,
remoteNym,
self.localSdp,
__)) },
{ when: function () { return self.local.sdp } });
Actor.subscribe(
function () { return remoteValue(halfConnection(remoteNym,
localNym,
__,
_$("ice"))) },
function (ice) {
console.log("REMOTE CANDIDATE", JSON.stringify(ice));
var candidate = new RTCIceCandidate({ candidate: ice[0],
sdpMLineIndex: ice[1],
sdpMid: ice[2] });
self.pc.addIceCandidate(candidate);
});
Actor.observeAdvertisers(
function () { return remoteValue(halfConnection(remoteNym, localNym, _$("sdp"))) },
{ singleton: "remoteSdp" },
function () { return remoteValue(halfConnection(remoteNym,
localNym,
_$("sdp"),
__)) },
{ singleton: "remote" },
function () {
if (self.localSdp && self.remoteSdp) {
var params = {
if (self.local.sdp && self.remote) {
var remoteSessionDescription = new RTCSessionDescription({
type: "offer",
sdp: self.remoteSdp.sdp
};
console.log("Local SDP is", self.localSdp);
console.log("Remote SDP is", params);
sdp: self.remote.sdp
});
// console.log("Local SDP is", self.localSdp);
// console.log("Remote SDP is", params);
self.pc.setRemoteDescription(new RTCSessionDescription(params), function () {}, errback);
}
});