DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (c68fe15a81fc)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
<!doctype html>
<!--
This test uses data only, and thus does not require fake media devices.
-->

<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>RTCPeerConnection GetStats</title>
</head>
<body>
  <div id="log"></div>
  <h2>Retrieved stats info</h2>
  <pre>
  <input type="button" onclick="showStats()" value="Show stats"></input>
  <div id="stats">
  </div>
  </pre>

  <!-- These files are in place when executing on W3C. -->
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script type="text/javascript">
  var test = async_test('Can get stats from a basic WebRTC call.');
  var statsToShow;
  var gFirstConnection = null;
  var gSecondConnection = null;

  var onIceCandidateToFirst = test.step_func(function(event) {
    // If event.candidate is null = no more candidates.
    if (event.candidate) {
      gSecondConnection.addIceCandidate(event.candidate);
    }
  });

  var onIceCandidateToSecond = test.step_func(function(event) {
    if (event.candidate) {
      gFirstConnection.addIceCandidate(event.candidate);
    }
  });

  var getStatsRecordByType = function(stats, type) {
    for (let stat of stats.values()) {
      if (stat.type == type) {
        return stat;
      }
    }
    return null;
  }

  var onIceConnectionStateChange = test.step_func(function(event) {
    // Wait until connection is established.
    // Note - not all browsers reach 'completed' state, so we're
    // checking for 'connected' state instead.
    if (gFirstConnection.iceConnectionState != 'connected') {
      return;
    }
    gFirstConnection.getStats()
    .then(function(report) {
      let reportDictionary = {};
      for (let stats of report.values()) {
        reportDictionary[stats.id] = stats;
      }
      statsToShow = JSON.stringify(reportDictionary, null, 2);
      // Check the stats properties.
      assert_not_equals(report, null, 'No report');
      let sessionStat = getStatsRecordByType(report, 'peer-connection');
      assert_not_equals(sessionStat, null, 'Did not find peer-connection stats');
      assert_own_property(sessionStat, 'dataChannelsOpened', 'no dataChannelsOpened stat');
      // Once every 4000 or so tests, the datachannel won't be opened when the getStats
      // function is done, so allow both 0 and 1 datachannels.
      assert_true(sessionStat.dataChannelsOpened == 1 || sessionStat.dataChannelsOpened == 0,
                  'dataChannelsOpened count wrong');
      test.done();
    })
    .catch(test.step_func(function(e) {
      assert_unreached(e.name + ': ' + e.message + ': ');
    }));
  });

  // This function starts the test.
  test.step(function() {
    gFirstConnection = new RTCPeerConnection(null);
    gFirstConnection.onicecandidate = onIceCandidateToFirst;
    gFirstConnection.oniceconnectionstatechange = onIceConnectionStateChange;

    gSecondConnection = new RTCPeerConnection(null);
    gSecondConnection.onicecandidate = onIceCandidateToSecond;

    // The createDataChannel is necessary and sufficient to make
    // sure the ICE connection be attempted.
    gFirstConnection.createDataChannel('channel');
    var atStep = 'Create offer';

    gFirstConnection.createOffer()
    .then(function(offer) {
      atStep = 'Set local description at first';
      return gFirstConnection.setLocalDescription(offer);
    })
    .then(function() {
      atStep = 'Set remote description at second';
      return gSecondConnection.setRemoteDescription(
          gFirstConnection.localDescription);
    })
    .then(function() {
      atStep = 'Create answer';
      return gSecondConnection.createAnswer();
    })
    .then(function(answer) {
      atStep = 'Set local description at second';
      return gSecondConnection.setLocalDescription(answer);
    })
    .then(function() {
      atStep = 'Set remote description at first';
      return gFirstConnection.setRemoteDescription(
          gSecondConnection.localDescription);
    })
    .catch(test.step_func(function(e) {
      assert_unreached('Error ' + e.name + ': ' + e.message +
                       ' happened at step ' + atStep);
    }));
  });

  function showStats() {
    // Show the retrieved stats info
    var showStats = document.getElementById('stats');
    showStats.innerHTML = statsToShow;
  }

</script>

</body>
</html>