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charttest.php
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charttest.php
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<?php
//----------------------------------------------------------------------
// Copyright (c) 2012-2015 Raytheon BBN Technologies
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and/or hardware specification (the "Work") to
// deal in the Work without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Work, and to permit persons to whom the Work
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Work.
//
// THE WORK IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE WORK OR THE USE OR OTHER DEALINGS
// IN THE WORK.
//----------------------------------------------------------------------
// Test script to show the plotting of measurements as line charts
// Read from a database by an AJAX/PHP script invocation
// Parse the $_GET arguments
// We handle data type, senders, metrics
$data_type = 'generic';
if (array_key_exists('data_type', $_GET))
$data_type = $_GET['data_type'];
if ($data_type != 'network' && $data_type != 'cpu' &&
$data_type != 'memory' && $data_type != 'generic') {
error_log("Unknown data type: $data_type");
exit;
}
$senders = "1,2";
if (array_key_exists('senders', $_GET)) {
$senders = $_GET['senders'];
}
// error_log("SENDERS = " . $senders);
$selected_metrics = "";
if (array_key_exists('metrics', $_GET)) {
$selected_metrics = $_GET['metrics'];
}
$tablename = '';
if (array_key_exists('tablename', $_GET)) {
$tablename = $_GET['tablename'];
}
?>
<!DOCTYPE HTML>
<html lang="en">
<meta charset="utf-8">
<head>
<!-- <script type="text/javascript" src="https://www.google.com/jsapi></script> -->
<script type="text/javascript"
src="https://www.google.com/jsapi?autoload={
'modules':[{
'name':'visualization',
'version':'1',
'packages':['corechart']
}]
}"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
<script>
// Copy the PHP variables into JS environment
var tablename = "<?php echo $tablename; ?>";
var data_type = "<?php echo $data_type; ?>";
var senders = "<?php echo $senders; ?>";
var selected_metrics = "<?php echo $selected_metrics; ?>";
// Is the given metric enabled?
function metric_enabled(metric) {
return selected_metrics == "" || selected_metrics.indexOf(metric) >= 0;
}
// This is called once the Google chart stuff is loaded. We then grab the data and
// plot the char
function drawVisualization() {
var url = 'grab_metrics_data.php?data_type=' + data_type + '&senders=' + senders;
if (data_type == 'generic')
url = 'grab_generic_metrics_data.php?tablename=' + tablename + '&senders=' + senders + '&metrics=' + selected_metrics
$.getJSON(url,
function(data) {
// In the return from the $.getJSON call to grab_metrics_data we plot the data
drawChart(data);
});
};
// Add columns to the table based on which metrics are selected
function addColumns(data_type, data, unique_sender)
{
if (data_type == 'generic') {
var split_senders = senders.split(',');
var num_senders = split_senders.length;
var split_metrics = selected_metrics.split(',');
var num_metrics = split_metrics.length;
for(var j = 0; j < num_metrics; j++) {
var metric = split_metrics[j];
data.addColumn('number', metric + "-" + unique_sender);
}
} else if (data_type == 'network') {
if (metric_enabled('rx_bytes'))
data.addColumn('number', 'RX-' + unique_sender);
if (metric_enabled('tx_bytes'))
data.addColumn('number', 'TX-' + unique_sender);
} else if (data_type == 'cpu') {
if (metric_enabled('user'))
data.addColumn('number', 'USER-' + unique_sender);
if (metric_enabled('sys'))
data.addColumn('number', 'SYS-' + unique_sender);
if (metric_enabled('idle'))
data.addColumn('number', 'IDLE-' + unique_sender);
} else { // Memory
if (metric_enabled('used'))
data.addColumn('number', 'USED-' + unique_sender);
if (metric_enabled('free'))
data.addColumn('number', 'FREE-' + unique_sender);
if (metric_enabled('actual_used'))
data.addColumn('number', 'ACT_USED-' + unique_sender);
if (metric_enabled('actual_free'))
data.addColumn('number', 'ACT_FREE-' + unique_sender);
}
}
// How many columns are there for this data type? Depends on which are enabled
function numDataColumns(data_type) {
var num_columns = 0;
if(data_type == "generic") {
var split_metrics = selected_metrics.split(',');
num_columns = split_metrics.length;
} else if(data_type == 'network') {
if (metric_enabled('rx_bytes')) num_columns = num_columns + 1;
if (metric_enabled('tx_bytes')) num_columns = num_columns + 1;
} else if (data_type == 'cpu') {
if (metric_enabled('user')) num_columns = num_columns + 1;
if (metric_enabled('sys')) num_columns = num_columns + 1;
if (metric_enabled('idle')) num_columns = num_columns + 1;
} else {
// Memory
if (metric_enabled('used')) num_columns = num_columns + 1;
if (metric_enabled('free')) num_columns = num_columns + 1;
if (metric_enabled('actual_used')) num_columns = num_columns + 1;
if (metric_enabled('actual_free')) num_columns = num_columns + 1;
}
return num_columns;
}
// Fill in row of data for given type based on selected metrics
function fillRow(data_type, row, metric, sender_index) {
var num_columns = numDataColumns(data_type);
var metric_index = 1;
if (data_type == 'generic' ) {
var split_metrics = selected_metrics.split(',');
var num_metrics = split_metrics.length;
for(var i = 0; i < num_metrics; i++) {
var metric_name = split_metrics[i];
var value = parseFloat(metric[metric_name]);
row[num_columns*sender_index+metric_index] = value;
metric_index = metric_index + 1;
}
}
else if (data_type == 'network') {
var rx_bytes = parseFloat(metric.rx_bytes);
var tx_bytes = parseFloat(metric.tx_bytes);
if (metric_enabled('rx_bytes')) {
row[num_columns*sender_index+metric_index] = rx_bytes;
metric_index = metric_index + 1;
}
if (metric_enabled('tx_bytes')) {
row[num_columns*sender_index+metric_index] = tx_bytes;
}
} else if (data_type == 'cpu') {
var user = parseFloat(metric.user);
var sys = parseFloat(metric.sys);
var idle = parseFloat(metric.idle);
if (metric_enabled('user')) {
row[num_columns*sender_index+metric_index] = user;
metric_index = metric_index + 1;
}
if (metric_enabled('sys')) {
row[num_columns*sender_index+metric_index] = sys;
metric_index = metric_index + 1;
}
if (metric_enabled('sys')) {
row[num_columns*sender_index+metric_index] = idle;
}
} else {
// Memory
var used = parseFloat(metric.used);
var free = parseFloat(metric.free);
var actual_used = parseFloat(metric.actual_used);
var actual_free = parseFloat(metric.actual_free);
if (metric_enabled('used')) {
row[num_columns*sender_index+metric_index] = used;
metric_index = metric_index + 1;
}
if (metric_enabled('free')) {
row[num_columns*sender_index+metric_index] = free;
metric_index = metric_index + 1;
}
if (metric_enabled('actual_used')) {
row[num_columns*sender_index+metric_index] = actual_used;
metric_index = metric_index + 1;
}
if (metric_enabled('actual_free')) {
row[num_columns*sender_index+metric_index] = actual_free;
}
}
}
// Fill in null entries by interpolating between adjacent points
function interpolateRows(rows) {
var num_rows = rows.length;
var num_cols = rows[0].length;
// Skip the first 'ts' column
for(var col = 1; col < num_cols; col++) {
for(var i = 0; i < num_rows; i++) {
if(rows[i][col] == null) {
if (i > 0 && rows[i-1][col] != null)
rows[i][col] = rows[i-1][col];
else if (i < num_rows-1 && rows[i+1][col] != null)
rows[i][col] = rows[i+1][col];
}
}
}
}
// Draw the chart by grabbing the data, creating the table
// adding the columns and then adding the rows
function drawChart(metric_data)
{
var unique_senders = {}
var num_unique_senders = 0;
for(var i = 0; i < metric_data.length; i++) {
var metric = metric_data[i];
var sender = metric.sender;
if (!(sender in unique_senders)) {
unique_senders[sender] = num_unique_senders;
num_unique_senders = num_unique_senders + 1;
}
}
var data = new google.visualization.DataTable();
data.addColumn('number', 'TS');
for(var unique_sender in unique_senders) {
addColumns(data_type, data, unique_sender);
}
rows = [];
for(var i = 0; i < metric_data.length; i++) {
var metric = metric_data[i];
var ts = parseFloat(metric.ts);
var sender = metric.sender;
var sender_index = unique_senders[sender];
row = [ts];
for(var j = 0; j < num_unique_senders; j++) {
for(var k = 0; k < numDataColumns(data_type); k++)
row.push(null); // Place holders for entries from the appropriate sender
}
fillRow(data_type, row, metric, sender_index);
rows.push(row);
}
interpolateRows(rows);
data.addRows(rows);
var options = {
chart: {
title: 'Network Metrics'
},
height: 600,
width: 600
};
var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
// Refresh every 5 seconds
setTimeout(drawVisualization, 5000);
}
google.load('visualization', '1');
google.setOnLoadCallback(drawVisualization);
</script>
</head>
<body style="font-family: Arial;border: 0 none;">
<div id="chart_div" style="width: 800px; height: 600px;"></div>
</body>
</html>