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raspap-webgui/includes/system.php

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<?php
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/**
*
* Find the version of the Raspberry Pi
* Currently only used for the system information page but may useful elsewhere
*
*/
function RPiVersion() {
// Lookup table from http://www.raspberrypi-spy.co.uk/2012/09/checking-your-raspberry-pi-board-version/
$revisions = array(
'0002' => 'Model B Revision 1.0',
'0003' => 'Model B Revision 1.0 + ECN0001',
'0004' => 'Model B Revision 2.0 (256 MB)',
'0005' => 'Model B Revision 2.0 (256 MB)',
'0006' => 'Model B Revision 2.0 (256 MB)',
'0007' => 'Model A',
'0008' => 'Model A',
'0009' => 'Model A',
'000d' => 'Model B Revision 2.0 (512 MB)',
'000e' => 'Model B Revision 2.0 (512 MB)',
'000f' => 'Model B Revision 2.0 (512 MB)',
'0010' => 'Model B+',
'0013' => 'Model B+',
'0011' => 'Compute Module',
'0012' => 'Model A+',
'a01041' => 'a01041',
'a21041' => 'a21041',
'900092' => 'PiZero 1.2',
'900093' => 'PiZero 1.3',
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'9000c1' => 'PiZero W',
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'a02082' => 'Pi 3 Model B',
'a22082' => 'Pi 3 Model B'
);
exec('cat /proc/cpuinfo', $cpuinfo_array);
$rev = trim(array_pop(explode(':',array_pop(preg_grep("/^Revision/", $cpuinfo_array)))));
if (array_key_exists($rev, $revisions)) {
return $revisions[$rev];
} else {
return 'Unknown Pi';
}
}
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/**
*
*
*/
function DisplaySystem(){
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// hostname
exec("hostname -f", $hostarray);
$hostname = $hostarray[0];
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// uptime
$uparray = explode(" ", exec("cat /proc/uptime"));
$seconds = round($uparray[0], 0);
$minutes = $seconds / 60;
$hours = $minutes / 60;
$days = floor($hours / 24);
$hours = floor($hours - ($days * 24));
$minutes = floor($minutes - ($days * 24 * 60) - ($hours * 60));
$uptime= '';
if ($days != 0) { $uptime .= $days . ' day' . (($days > 1)? 's ':' '); }
if ($hours != 0) { $uptime .= $hours . ' hour' . (($hours > 1)? 's ':' '); }
if ($minutes != 0) { $uptime .= $minutes . ' minute' . (($minutes > 1)? 's ':' '); }
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// mem used
$memused_status = "primary";
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exec("free -m | awk '/Mem:/ { total=$2 ; used=$3 } END { print used/total*100}'", $memarray);
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$memused = floor($memarray[0]);
if ($memused > 90) { $memused_status = "danger"; }
elseif ($memused > 75) { $memused_status = "warning"; }
elseif ($memused > 0) { $memused_status = "success"; }
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// cpu load
$cores = exec("grep -c ^processor /proc/cpuinfo");
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$loadavg = exec("awk '{print $1}' /proc/loadavg");
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$cpuload = floor(($loadavg * 100) / $cores);
if ($cpuload > 90) { $cpuload_status = "danger"; }
elseif ($cpuload > 75) { $cpuload_status = "warning"; }
elseif ($cpuload > 0) { $cpuload_status = "success"; }
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?>
<div class="row">
<div class="col-lg-12">
<div class="panel panel-primary">
<div class="panel-heading"><i class="fa fa-cube fa-fw"></i> System</div>
<div class="panel-body">
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<?php
if (isset($_POST['system_reboot'])) {
echo '<div class="alert alert-warning">System Rebooting Now!</div>';
$result = shell_exec("sudo /sbin/reboot");
}
if (isset($_POST['system_shutdown'])) {
echo '<div class="alert alert-warning">System Shutting Down Now!</div>';
$result = shell_exec("sudo /sbin/shutdown -h now");
}
?>
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<div class="row">
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<div class="col-md-12">
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<div class="panel panel-default">
<div class="panel-body">
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<ul class="nav nav-tabs" role="tablist">
<li role="presentation" class="active systemtab"><a href="#system" aria-controls="system" role="tab" data-toggle="tab">System</a></li>
<li role="presentation" class="consoletab"><a href="#console" aria-controls="console" role="tab" data-toggle="tab">Console</a></li>
</ul>
<div class="systemtabcontent tab-content">
<div role="tabpanel" class="tab-pane active" id="system">
<div class="row">
<div class="col-lg-6">
<h4>System Information</h4>
<div class="info-item">Hostname</div> <?php echo $hostname ?></br>
<div class="info-item">Pi Revision</div> <?php echo RPiVersion() ?></br>
<div class="info-item">Uptime</div> <?php echo $uptime ?></br></br>
<div class="info-item">Memory Used</div>
<div class="progress">
<div class="progress-bar progress-bar-<?php echo $memused_status ?> progress-bar-striped active"
role="progressbar"
aria-valuenow="<?php echo $memused ?>" aria-valuemin="0" aria-valuemax="100"
style="width: <?php echo $memused ?>%;"><?php echo $memused ?>%
</div>
</div>
<div class="info-item">CPU Load</div>
<div class="progress">
<div class="progress-bar progress-bar-<?php echo $cpuload_status ?> progress-bar-striped active"
role="progressbar"
aria-valuenow="<?php echo $cpuload ?>" aria-valuemin="0" aria-valuemax="100"
style="width: <?php echo $cpuload ?>%;"><?php echo $cpuload ?>%
</div>
</div>
<form action="?page=system_info" method="POST">
<input type="submit" class="btn btn-warning" name="system_reboot" value="Reboot" />
<input type="submit" class="btn btn-warning" name="system_shutdown" value="Shutdown" />
<input type="button" class="btn btn-outline btn-primary" value="Refresh" onclick="document.location.reload(true)" />
</form>
</div>
</div>
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</div>
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<div role="tabpanel" class="tab-pane" id="console">
<iframe src="includes/webconsole.php" class="webconsole"></iframe>
</div>
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</div><!-- /.panel-body -->
</div><!-- /.panel-default -->
</div><!-- /.col-md-6 -->
</div><!-- /.row -->
</div><!-- /.panel-body -->
</div><!-- /.panel-primary -->
</div><!-- /.col-lg-12 -->
</div><!-- /.row -->
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</div>
</div>
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<?php
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}
?>