Function createConnection

src/content/datachannel/datatransfer/js/main.js:55–92

()

});

async function createConnection() {
  sendButton.disabled = true;
  megsToSend.disabled = true;

  const servers = null;

  const number = Number.parseInt(megsToSend.value);
  bytesToSend = number * 1024 * 1024;

  pc1 = new RTCPeerConnection(servers);

  // Let's make a data channel!
  const dataChannelParams = {ordered: false};
  if (orderedCheckbox.checked) {
    dataChannelParams.ordered = true;
  }
  sendChannel = pc1.createDataChannel('sendDataChannel', dataChannelParams);
  sendChannel.addEventListener('open', onSendChannelOpen);
  sendChannel.addEventListener('close', onSendChannelClosed);
  console.log('Created send data channel: ', sendChannel);

  console.log('Created local peer connection object pc1: ', pc1);

  pc1.addEventListener('icecandidate', e => onIceCandidate(pc1, e));

  pc2 = new RTCPeerConnection(servers);
  pc2.addEventListener('icecandidate', e => onIceCandidate(pc2, e));
  pc2.addEventListener('datachannel', receiveChannelCallback);

  try {
    const localOffer = await pc1.createOffer();
    await handleLocalDescription(localOffer);
  } catch (e) {
    console.error('Failed to create session description: ', e);
  }

  transferStatus.innerHTML = 'Peer connection setup complete.';
}

function sendData() {
  // Stop scheduled timer if any (part of the workaround introduced below)