github.com/pion/webrtc/v4@v4.0.1/examples/ice-single-port/index.html (about)

     1  <html>
     2    <!--
     3      SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
     4      SPDX-License-Identifier: MIT
     5    -->
     6    <head>
     7      <title>ice-single-port</title>
     8    </head>
     9  
    10    <body>
    11      <h3> ICE Selected Pairs </h3>
    12      <div id="iceSelectedPairs"></div> <br />
    13    </body>
    14  
    15    <script>
    16      let createPeerConnection = () => {
    17        let pc = new RTCPeerConnection()
    18        let dc = pc.createDataChannel('data')
    19  
    20        dc.onopen = () => {
    21          let el = document.createElement('template')
    22          let selectedPair = pc.sctp.transport.iceTransport.getSelectedCandidatePair()
    23  
    24          el.innerHTML = `<div>
    25            <ul>
    26               <li> <i> Local</i> - ${selectedPair.local.candidate}</li>
    27               <li> <i> Remote</i> - ${selectedPair.remote.candidate} </li>
    28            </ul>
    29          </div>`
    30  
    31          document.getElementById('iceSelectedPairs').appendChild(el.content.firstChild);
    32        }
    33  
    34        pc.createOffer()
    35          .then(offer => {
    36            pc.setLocalDescription(offer)
    37  
    38            return fetch(`/doSignaling`, {
    39              method: 'post',
    40              headers: {
    41                'Accept': 'application/json, text/plain, */*',
    42                'Content-Type': 'application/json'
    43              },
    44              body: JSON.stringify(offer)
    45            })
    46          })
    47          .then(res => res.json())
    48          .then(res => pc.setRemoteDescription(res))
    49          .catch(alert)
    50      }
    51  
    52      for (i = 0; i < 10; i++) {
    53        createPeerConnection()
    54      }
    55    </script>
    56  </html>