ndn-js
Version:
A JavaScript client library for Named Data Networking
86 lines (70 loc) • 2.73 kB
HTML
<!--
* Copyright (C) 2015-2019 Regents of the University of California.
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* A copy of the GNU Lesser General Public License is in the file COPYING.
-->
<html xmlns = "http://www.w3.org/1999/xhtml">
<head>
<title>NDN Consumer via WebSocket</title>
<script type="text/javascript" src="../../build/ndn.js"></script>
<script type="text/javascript">
function printLine(line)
{
var result = document.getElementById('result');
result.innerHTML += line + "<br/>";
}
var face = null;
function onData(interest, data)
{
printLine("Got data packet with name " + data.getName().toUri());
printLine(data.getContent().buf().toString('binary'));
};
function onTimeout(interest)
{
printLine("Time out for interest " + interest.getName().toUri());
};
function express() {
var result = document.getElementById('result');
if (result.innerHTML.toString() == 0)
// Initially clear the result.
result.innerHTML = "";
if (face == null) {
var host = document.getElementById('host').value;
// Connect to the forwarder with a WebSocket.
face = new Face({host: host});
}
var word = document.getElementById('word').value;
var name = new Name("/testecho");
name.append(word);
printLine("Express name " + name.toUri());
face.expressInterest(name, onData, onTimeout);
}
</script>
</head>
<body >
If you haven't already, open the <a href="test-publish-async-nfd.html" target="_blank">Publisher Page</a>.
Enter a Word to Echo and click Express Interest.<br/><br/>
<form>
Host:<br/> <input id="host" type="text" size="50" name="HOST" value="localhost" /><br/>
Word to Echo:<br/> <input id="word" type="text" size="50" name="WORD" value="hello" />
</form>
<br/><button onclick="express()">Express Interest</button>
<p id="result"></p>
</body>
</html>