| James Kuszmaul | 4a42b18 | 2021-01-17 11:32:46 -0800 | [diff] [blame^] | 1 | <!DOCTYPE html> |
| 2 | <html> |
| 3 | <head> |
| 4 | <meta charset="utf-8"> |
| 5 | <title>ORTC/WebRTC Interop Data Channel Example</title> |
| 6 | </head> |
| 7 | <style> |
| 8 | textarea { |
| 9 | } |
| 10 | </style> |
| 11 | <body> |
| 12 | <textarea cols="120" rows="20" id="local-parameters" onclick="this.select();" readonly></textarea> |
| 13 | <textarea cols="120" rows="20" id="remote-parameters"></textarea><br /> |
| 14 | <button type="button" onclick="start(peer);" id="start" disabled>Start</button> |
| 15 | |
| 16 | <script type="text/javascript" src="sdp.js"></script> |
| 17 | <script type="text/javascript" src="https://webrtc.github.io/adapter/adapter-latest.js"></script> |
| 18 | <script type="text/javascript" src="webrtc-rawrtc.js"></script> |
| 19 | <script type="text/javascript"> |
| 20 | 'use strict'; |
| 21 | |
| 22 | let localParameters = document.getElementById('local-parameters'); |
| 23 | let remoteParameters = document.getElementById('remote-parameters'); |
| 24 | let startButton = document.getElementById('start'); |
| 25 | |
| 26 | function getURLParameter(name) { |
| 27 | return decodeURIComponent((new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(location.search) || [null, ''])[1].replace(/\+/g, '%20')) || null; |
| 28 | } |
| 29 | |
| 30 | function setRemoteParameters(peer) { |
| 31 | // Parse and apply the remote parameters |
| 32 | let parameters = JSON.parse(remoteParameters.value); |
| 33 | console.log('Remote parameters:', parameters); |
| 34 | peer.setRemoteParameters(parameters) |
| 35 | .then((parameters) => { |
| 36 | // Generate local parameters if controlled |
| 37 | if (peer instanceof ControlledPeer) { |
| 38 | getLocalParameters(peer); |
| 39 | } |
| 40 | }) |
| 41 | .catch((error) => { |
| 42 | console.error(error); |
| 43 | }); |
| 44 | }; |
| 45 | |
| 46 | function getLocalParameters(peer) { |
| 47 | // Generate and show the local parameters |
| 48 | peer.getLocalParameters() |
| 49 | .then((parameters) => { |
| 50 | console.log('Local parameters:', parameters); |
| 51 | localParameters.value = JSON.stringify(parameters); |
| 52 | }); |
| 53 | } |
| 54 | |
| 55 | function createPeer(controllingParameter) { |
| 56 | let controlling = controllingParameter == 'true' || controllingParameter == '1'; |
| 57 | console.log('Role: ICE-Controll' + (controlling ? 'ing' : 'ed')); |
| 58 | |
| 59 | // Create peer depending on the role |
| 60 | let peer = controlling ? new ControllingPeer() : new ControlledPeer(); |
| 61 | peer.createPeerConnection(); |
| 62 | let cat = peer.createDataChannel(peer.pc.createDataChannel('cat-noises', { |
| 63 | ordered: true, |
| 64 | negotiated: true, |
| 65 | id: 0 |
| 66 | })); |
| 67 | peer.createDataChannel(); |
| 68 | |
| 69 | // Create local parameters if we are the controlling peer. |
| 70 | // Keep in mind this still uses offer/answer in the background, thus this |
| 71 | // limitation which does not exist for ORTC but does for WebRTC. |
| 72 | if (controlling) { |
| 73 | getLocalParameters(peer); |
| 74 | } |
| 75 | |
| 76 | return peer; |
| 77 | } |
| 78 | |
| 79 | function start(peer) { |
| 80 | // Apply remote parameters |
| 81 | // For the controlled peer, this will automatically generate local parameters |
| 82 | setRemoteParameters(peer); |
| 83 | startButton.disabled = true; |
| 84 | } |
| 85 | |
| 86 | // Create peer |
| 87 | // Determine role from GET parameter (?controlling=true|false) |
| 88 | let peer = createPeer(getURLParameter('controlling')); |
| 89 | startButton.disabled = false; |
| 90 | </script> |
| 91 | </body> |
| 92 | </html> |