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generate_graph.php
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generate_graph.php
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<?php
#
# $Id: generate_graph.php 49016 2011-10-04 19:01:55Z proche $
#
if ( ! is_readable('./config.php') ) {
echo("<H2>Error: Configuration file config.php does not exist. Please
notify your system administrator.</H2>");
exit;
} else
include_once('./config.php');
/* ---------------------------------------------------------------------- */
include_once('./tools.php');
##########################################################3
# Make sure cdiagram library is included
##########################################################3
require_once("cdiagram/class/diagram.php");
require_once("DB.php");
##########################################################
# Create the new graph with the specified size. If smallsize is set use it
# to create small graphs that show up on the main utilization page
##########################################################
if ( isset($_GET['smallsize']) && $_GET['smallsize'] == 1) {
$size = explode(",", $smallgraph);
$image = new CDiagram($size[0],$size[1],"PNG");
} else {
$size = explode(",", $largegraph);
$image = new CDiagram($size[0],$size[1],"PNG");
}
$image->setDiagramType("Balken");
$image->setBackground(255,255,255);
$image->setTextcolor(0,0,0);
$image->setLinecolor(0,0,0);
$image->setGraphcolor(0,255,0);
$image->setValuecolor(255,0,0);
$image->paintHeader(htmlspecialchars($_GET['feature']),4);
################################################################
# Connect to the database
# Use persistent connections
################################################################
$db = DB::connect($dsn, true);
if (DB::isError($db)) {
die ($db->getMessage());
}
################################################################
# When drawing utilization it is useful to know what was the usage in comparison
# to available licenses. Graphing package will try to auto-scale the Y-axis depending
# on the largest available Y value. Unfortunately that is not too useful since we will
# likely show higher usage that the number of available licenses. Thus you need
# to tell the graph script what its limits are
$sql = "SELECT flmavailable_num_licenses FROM licenses_available WHERE flmavailable_product='" .
htmlspecialchars($_GET['feature']) . "' AND flmavailable_date = '" .
htmlspecialchars($_GET['mydate']) . "'";
$upper_limit = $db->getOne($sql);
//print $sql;
//print_r($upper_limit);
if ( !isset($upper_limit) || $upper_limit <= 0 ) {
generate_error_image("Total num licenses not available. license_cache.php isn't run");
exit;
}
if ( isset($_GET['time_breakdown']) ) {
#############################################################################
# This query gets how many times particular number of users used
#############################################################################
$sql = "SELECT flmusage_users,count(*) FROM license_usage WHERE flmusage_product='" .
htmlspecialchars($_GET['feature']) . "' AND flmusage_date = '" .
htmlspecialchars($_GET['mydate']) . "' GROUP BY flmusage_users ORDER BY flmusage_users";
$recordset = $db->query($sql);
if (DB::isError($recordset)) {
die ($recordset->getMessage());
}
while ($row = $recordset->fetchRow()) {
$data[$row[0]] = $row[1] * ($collection_interval / 60);
}
$recordset->free();
# Set some kind of value even if the set is empty otherwise
# graph function will fail
$image->setData(1,0);
$image->setItemData(0,0);
###################################################################
# There may be holes in usage stats ie. only 1 or 3 licenses are
# used. We loop through the array. If there is no record we set
# the value to zero
###################################################################
for ( $i = 0; $i <= $upper_limit ; $i++ ) {
if ( isset($data[$i]) )
$image->setData($i+1,$data[$i]);
else
$image->setData($i+1,0);
$image->setItemData($i+1, $i);
}
$image->enable("ItemData");
$image->setX($i + 0.00001 ,0, ceil($upper_limit / 15 ));
# Upper and lower indices and scale step
$image->setY(max($data) + 0.00001, 0, (int) (100 * max($data)/5) / 100 );
#
$image->paintXY();
# Axis legend
$image->paintScale("Licenses used", "Time used in hours", 1);
# Graph color
$image->setGraphcolor(100,200,100);
$image->paintData();
if ( isset($_GET['debug']) ) {
print "SQL: " .$sql . "\n";
echo("If following array is empty your license utilization table is not
being populated. Most common problem is that license_util.php script is not
being run periodically ie. every 15 minutes.<p><PRE>"); print_r($image->m_data);
exit;
} else
Header("Content-type: image/png");
$image->show();
} else {
################################################################
# First let's get license usage for the product specified in $feature
##############################################################
$sql = "SELECT MAX(flmusage_server),flmusage_time,SUM(flmusage_users) FROM license_usage WHERE flmusage_product='" .
htmlspecialchars($_GET['feature']) . "' AND flmusage_date = '" . htmlspecialchars($_GET['mydate'])
. "' GROUP BY flmusage_time";
$recordset = $db->query($sql);
if (DB::isError($recordset)) {
die ($recordset->getMessage());
}
$i = 1;
# Set some kind of value even if the set is empty
$image->setData(1,0);
$image->setItemData(0,0);
while ($row = $recordset->fetchRow()) {
$image->setData($i,$row[2]);
$i++;
}
$recordset->free();
# Close the connection
# If there is data in the set draw the graph
if ( $i > 1 ) {
$image->setX($i + 0.00001 ,0,1);
$image->enable("ItemData");
# Upper and lower indices and scale step
$image->setY($upper_limit + 0.0001,0, ceil ($upper_limit/5));
#############################################################
# How many data values do we have:
# 24 hrs = 1440 min / collection interval ie.
# 1440 / 15 mins = 96 values
# I want to show legend only every 2 hours ie. 12 points
#############################################################
$scalingfactor = (1440 / $collection_interval) / $xlegendpoints;
for ( $j = 1 ; $j <= $xlegendpoints ; $j++ ) {
$image->setItemData(1+$j*$scalingfactor, $j*2);
}
$image->paintXY();
# Axis legend
$image->paintScale("Time", "Number of licenses",2);
# Graph color
$image->setGraphcolor(100,200,100);
$image->paintData();
################################################################################
# We will now draw a line that indicates the number of available licenses ie.
# at the top of the graph we will draw a solid line
################################################################################
# Clear the data from the bar graph
$image->clearData();
$image->setDiagramType("Line");
$image->setData(0,$upper_limit);
$image->setData($i, $upper_limit);
$image->setGraphcolor(0,0,0);
$image->paintData();
# Should we display debug options
if ( isset($_GET['debug']) ) {
print "SQL: " .$sql . "\n";
echo("<p>If following array is empty your license utilization table is not
being populated. Most common problem is that license_util.php script is not
being run periodically ie. every 15 minutes.<p><PRE>"); print_r($image->m_data);
exit;
} else {
# If not draw image
Header("Content-type: image/png");
$image->show();
}
# If there is no data an image should be created indicating the problem.
} else {
generate_error_image("No data available to display for " . $_GET['feature'] . ". license_util.php is not being run");
}
}
$db->disconnect();
?>