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<!DOCTYPE html>
<html>
<head>
<title>Zaqar WebSocket example</title>
<meta charset='utf-8' />
<link rel='stylesheet' href='http://yui.yahooapis.com/pure/0.6.0/pure-nr-min.css' />
<script type='text/javascript' src='http://code.jquery.com/jquery-2.1.4.min.js'></script>
<!--[if lte IE 9]>
<script src="https://cdnjs.cloudflare.com/ajax/libs/es5-shim/4.1.10/es5-shim.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/json3/3.3.2/json3.min.js"></script>
<![endif]-->
<script src="https://rawgithub.com/kawanet/msgpack-lite/master/dist/msgpack.min.js"></script>
<style>
.pure-g > div {
box-sizing: border-box;
}
#title h1 {
text-align: center;
border-bottom: 1px solid #ccc;
margin: 0;
padding: 1em;
}
#login {
background-color: #c7e8f2;
padding-left: 1em;
}
#queues {
padding-left: 1em;
background-color: #bbb;
min-height: 800px;
}
#messages {
padding-left: 1em;
}
#log {
font-size: 80%;
}
#right-col {
padding-left: 1em;
background-color: #f7e699;
min-height: 800px;
}
</style>
<script type='text/javascript'>
// Parameters:
var server_url = 'ws://localhost:9000/';
var project_id = 'cf38008b72d04b89a505b9d66d1d5768';
var client_id = '31209ff3-ba03-4cec-b4ca-655f4899f8f4';
var send_binary = true;
var socket = new WebSocket(server_url);
socket.binaryType = 'arraybuffer';
if (send_binary == true) {
// Use MessagePack(binary) for encoding messages
encode = function(data) {
return msgpack.encode(data);
}
} else {
// Use JSON(text) for encoding messages
encode = function(data) {
return JSON.stringify(data);
}
}
msgpack_decode = function(enc_data) {
return msgpack.decode(new Uint8Array(enc_data));
}
json_decode = function(enc_data) {
return JSON.parse(enc_data);
}
add_connection_info = function(msg) {
msg += ". Using parameters: Server URL: " + server_url;
msg += ". Project ID: " + project_id;
msg += ". Client ID: " + client_id;
msg += ". Binary communication: " + send_binary;
return msg
}
log_info = function(msg) {
var node = document.createElement('div');
var date = new Date().toUTCString();
msg = date + " " + msg;
node.appendChild(document.createTextNode(msg));
$('#log').append(node);
}
socket.onopen = function(evt) {
msg = "Connection opened";
msg = add_connection_info(msg);
log_info(msg);
}
socket.onclose = function(evt) {
msg = "Connection closed";
log_info(msg);
}
socket.onerror = function(evt) {
msg = "Connection error";
msg = add_connection_info(msg);
log_info(msg);
}
socket.onmessage = function(evt) {
if (evt.data instanceof ArrayBuffer) {
// Received payload in MessagePack(binary) format
var data = msgpack_decode(evt.data);
}
if (typeof evt.data === "string") {
// Received payload in JSON(text) format
var data = json_decode(evt.data);
}
if ('request' in data && 'headers' in data) {
// Response received
var action = data["request"]["action"];
msg = "action: " + action;
msg += " status: " + data["headers"]["status"];
msg += " body: " + JSON.stringify(data["body"]);
log_info(msg);
if (action == 'queue_list') {
var queues = data['body']['queues'];
display_queues(queues);
} else if (action == 'message_list') {
var messages = data['body']['messages'];
display_messages(messages);
} else if (action == 'queue_create' || action == 'queue_delete') {
list_queues();
} else if (action == 'authenticate' && data["headers"]["status"] == 200) {
list_queues();
} else if (action == 'message_post' || action == 'message_delete') {
list_messages();
}
} else {
// Can be notification or unexpected data
if(data.hasOwnProperty('body')){
msg = "notification: " + JSON.stringify(data);
log_info(msg)
list_messages();
} else {
msg = "unexpected data: " + JSON.stringify(data);
log_info(msg)
}
}
}
login = function(frm) {
var data = {
'auth': {
'identity': {
'methods': ['password'],
'password': {
'user': {
'name': frm['user'].value,
'domain': {'id': 'default'},
'password': frm['password'].value
}
}
}
}
}
$.ajax({
'type': 'POST',
'url': 'http://localhost:5000/v3/auth/tokens',
'data': JSON.stringify(data),
'contentType': 'application/json',
'dataType': 'json',
'success': function(data, code, response) {
var token = response.getResponseHeader('X-Subject-Token')
if (token == null){
log_info("Connected to Keystone, but no 'X-Subject-Token' "
+ "header was provided. Keystone's CORS filter is probably "
+ "not configured to expose this header.");
} else {
log_info("Got token from Keystone. " +
"Sending authentication request to Zaqar.");
var msg = {'action': 'authenticate',
'headers': {'X-Auth-Token': token,
'Client-ID': client_id,
'X-Project-ID': project_id}}
socket.send(encode(msg));
};
},
'error': function(data, code, errorThrown) {
if (errorThrown) {
log_info("Keystone error: " + errorThrown);
} else {
log_info("Failed to connect to Keystone. Keystone is either" +
" offline, or CORS is not enabled in Keystone.");
}
}
});
return false;
}
send_message = function(action, body) {
var msg = {'action': action,
'headers': {'Client-ID': client_id, 'X-Project-ID':
project_id}};
if (body) {
msg['body'] = body;
};
socket.send(encode(msg));
}
list_queues = function() {
send_message('queue_list');
}
create_queue = function(frm) {
send_message('queue_create', {'queue_name': frm['queue'].value});
return false;
}
get_selected_queue = function() {
var queue_select = $('#queue_list');
return queue_select.val();
}
display_queues = function(queues) {
var queue_select = $('#queue_list');
queue_select.empty();
$.each(queues, function(idx, queue) {
queue_select.append('<option>' + queue.name + '</option>');
});
}
display_messages = function(messages) {
var table_body = $('#message_list tbody');
table_body.empty();
$.each(messages, function(idx, message) {
table_body.append('<tr><td>' + message.age + '</td><td>' + message.body + '</td><td>' + message.ttl + '</td><td><button class=\'pure-button\' onclick=\'delete_message("' + message.id + '")\'>Delete</button></td></tr>');
});
}
delete_queue = function() {
send_message('queue_delete', {'queue_name': get_selected_queue()});
}
list_messages = function() {
send_message('message_list', {'queue_name': get_selected_queue(), 'echo': true});
}
queue_message = function(frm) {
var body = frm['body'].value;
var ttl = parseInt(frm['ttl'].value);
send_message('message_post', {'queue_name': get_selected_queue(), 'messages': [{'body': body, 'ttl': ttl}]});
return false;
}
delete_message = function(message_id) {
send_message('message_delete', {'queue_name': get_selected_queue(), 'message_id': message_id});
}
subscribe_queue = function() {
send_message('subscription_create', {'queue_name': get_selected_queue(), 'ttl': 3600});
}
</script>
</head>
<body>
<div id='title'>
<h1>Zaqar WebSocket example</h1>
</div>
<div id='login'>
<form class='pure-form' onsubmit='return login(this)'>
<fieldset>
<input type='text' name='user' placeholder='User' />
<input type='password' name='password' placeholder='Password' />
<button class='pure-button' type='submit'>Login</button>
</fieldset>
</form>
</div>
<div class='pure-g'>
<div id='queues' class='pure-u-1-3'>
<h4>Queues</h4>
<form class='pure-form' onsubmit='return create_queue(this)'>
<fieldset>
<input type='text' name='queue' placeholder='Queue name' />
<button class='pure-button' type='submit'>Create</button>
</fieldset>
</form>
<form class='pure-form' onsubmit='return false'>
<fieldset>
<select id='queue_list'></select>
<button class='pure-button' onclick='delete_queue()'>Delete</button>
<button class='pure-button' onclick='list_messages()'>List messages</button>
<button class='pure-button' onclick='subscribe_queue()'>Subscribe</button>
<button class='pure-button' onclick='list_queues()'>Refresh</button>
</fieldset>
</form>
</div>
<div id='messages' class='pure-u-1-3'>
<h4>Messages</h4>
<form class='pure-form' onsubmit='return queue_message(this)'>
<fieldset>
<input type='text' name='body' placeholder='Message body' />
<input type='text' name='ttl' size='5' value='3600' placeholder='TTL' />
<button type='submit' class='pure-button'>Post</button>
</fieldset>
</form>
<table class='pure-table pure-table-horizontal' id='message_list'>
<thead>
<tr>
<th>Age</th>
<th>Body</th>
<th>TTL</th>
<th></th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>
<div class='pure-u-1-3' id='right-col'>
<h4>Logs</h4>
<div id='log'></div>
</div>
</div>
</body>
</html>
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