native_client_sdk/src/examples/api/network_monitor/example.js

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Called by the common.js module.
   6 function moduleDidLoad() {
   7   // The module is not hidden by default so we can easily see if the plugin
   8   // failed to load.
   9   common.hideModule();
  10 }
  11
  12 // Called by the common.js module.
  13 function handleMessage(message) {
  14   if (typeof message.data === "string") {
  15     // We got an error from the NaCl module.
  16     common.logMessage('Error: ' + message.data);
  17     return;
  18   }
  19
  20   // We expect that the message looks like this:
  21   // [{
  22   //    name: "...", displayName: "...", state: "...", type: "...", MTU: 1234,
  23   //    ipAddresses: ["...", "..."]},
  24   //  {...},
  25   // ]
  26   //
  27   // Append a <tr> to the <tbody> for each interface in the array.
  28   // The order in the .html file is:
  29   // index, display name, name, type, state, ip addresses, MTU.
  30   var net_interfaces = message.data;
  31
  32   var tbodyEl = document.querySelector('tbody');
  33   // First, clear the tbody.
  34   while (tbodyEl.firstChild) {
  35     tbodyEl.removeChild(tbodyEl.firstChild);
  36   }
  37
  38   for (var i = 0; i < net_interfaces.length; ++i) {
  39     var net_interface = net_interfaces[i];
  40     var trEl = document.createElement('tr');
  41     trEl.appendChild(makeTd(i));
  42     trEl.appendChild(makeTd(net_interface.displayName));
  43     trEl.appendChild(makeTd(net_interface.name));
  44     trEl.appendChild(makeTd(net_interface.type));
  45     trEl.appendChild(makeTd(net_interface.state));
  46     // ipAddresses is an array of strings. Let's join them with a comma.
  47     trEl.appendChild(makeTd(net_interface.ipAddresses.join(', ')));
  48     trEl.appendChild(makeTd(net_interface.MTU));
  49     tbodyEl.appendChild(trEl);
  50   }
  51 }
  52
  53 function makeTd(text) {
  54   var tdEl = document.createElement('td');
  55   tdEl.textContent = text;
  56   return tdEl;
  57 }