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import { io } from 'socket.io-client';
import Peers from './peers';
import Media from './media';
const internals = {
kSocketUrl: 'https://junction.tranquil.services',
kIceServers: [
{url:"stun:stun.l.google.com:19302"}
],
port: null,
socket: null,
peers: {},
onMessage(message) {
internals[message.action](message.data);
},
async joinAudioCall(data) {
internals.tada = data.tada; // Keeping for fun
try {
const mediaStream = await Media.start();
internals.socket = io(internals.kSocketUrl, {
transports: ['websocket']
});
internals.socket.on('error', function(error) {
console.error('GENERAL ERROR', error);
});
internals.socket.on('connect_error', function(error) {
console.error('CONNNECT ERROR', error);
});
internals.socket.on('connect', function() {
console.log("Connected to signaling server, group: ", data.currentUrl);
internals.socket.emit('join', {
'url': data.currentUrl,
});
});
internals.socket.on('disconnect', function() {
console.log("disconnected from signaling server");
});
internals.socket.on('addPeer', function(data) {
console.log(data);
Peers.add(data.peer_id, internals.tada);
const peerId = data.peer_id;
const peerConn = new RTCPeerConnection(
{"iceServers": internals.kIceServers},
{"optional": [{"DtlsSrtpKeyAgreement": true}]}
);
internals.peers[peerId] = peerConn;
peerConn.onicecandidate = (event) => {
if (event.candidate) {
internals.socket.emit('relayICECandidate', {
'peer_id': peerId,
'ice_candidate': {
'sdpMLineIndex': event.candidate.sdpMLineIndex,
'candidate': event.candidate.candidate
}
});
}
}
peerConn.onaddstream = (stream) => {
console.log(`Received stream for peer ${peerId}`);
console.log(stream);
}
peerConn.addStream(mediaStream);
if (data.should_create_offer) {
console.log("Creating RTC offer to ", peerId);
peerConn.createOffer((local_description) => {
console.log("Local offer description is: ", local_description);
peerConn.setLocalDescription(local_description, () => {
internals.socket.emit('relaySessionDescription', {
'peer_id': peerId,
'session_description': local_description
});
console.log("Offer setLocalDescription succeeded");
}, () => { console.log("Offer setLocalDescription failed!"); }
);
},
(error) => { console.log("Error sending offer: ", error) }
);
}
console.log(`There are now ${Peers.count()} participants`);
});
internals.socket.on('removePeer', function() {
Peers.remove('id-'+(Peers.count() - 1)); // This is only for testing, don't use count to remove ids.
console.log(`There are now ${Peers.count()} participants`);
});
}
catch (err) {
internals.port.postMessage({
action: 'error'
});
internals.port.disconnect();
}
},
hangUp() {
Peers.reset();
Media.stop();
internals.socket.close();
internals.port.disconnect();
}
};
internals.port = chrome.runtime.connect({ name:"content" });
internals.port.onMessage.addListener(internals.onMessage);
console.log('Content Script Loaded');
// Indicates to the background script that we executed correctly
true;
|
