From 20705a550df5b13a544dc0865c6aef16e64c99d9 Mon Sep 17 00:00:00 2001
From: ShevAbam <shevabam@gmail.com>
Date: Wed, 18 Jun 2014 10:11:11 +0200
Subject: + First commit (version 2.0)

---
 libs/Utils/Config.class.php | 94 +++++++++++++++++++++++++++++++++++++++++++++
 libs/Utils/Misc.class.php   | 57 +++++++++++++++++++++++++++
 libs/cpu.php                | 65 +++++++++++++++++++++++++++++++
 libs/disk.php               | 49 +++++++++++++++++++++++
 libs/last_login.php         | 32 +++++++++++++++
 libs/load_average.php       | 25 ++++++++++++
 libs/memory.php             | 30 +++++++++++++++
 libs/network.php            | 32 +++++++++++++++
 libs/ping.php               | 25 ++++++++++++
 libs/services.php           | 37 ++++++++++++++++++
 libs/swap.php               | 31 +++++++++++++++
 libs/system.php             | 83 +++++++++++++++++++++++++++++++++++++++
 12 files changed, 560 insertions(+)
 create mode 100644 libs/Utils/Config.class.php
 create mode 100644 libs/Utils/Misc.class.php
 create mode 100644 libs/cpu.php
 create mode 100644 libs/disk.php
 create mode 100644 libs/last_login.php
 create mode 100644 libs/load_average.php
 create mode 100644 libs/memory.php
 create mode 100644 libs/network.php
 create mode 100644 libs/ping.php
 create mode 100644 libs/services.php
 create mode 100644 libs/swap.php
 create mode 100644 libs/system.php

(limited to 'libs')

diff --git a/libs/Utils/Config.class.php b/libs/Utils/Config.class.php
new file mode 100644
index 0000000..8111b32
--- /dev/null
+++ b/libs/Utils/Config.class.php
@@ -0,0 +1,94 @@
+<?php
+
+class Config
+{
+    public $file = null;
+    public $config = null;
+
+    public function __construct()
+    {
+        $this->file = $_SERVER['DOCUMENT_ROOT'].'/esm.config.json';
+
+        if (file_exists($this->file))
+            $this->_readFile();
+    }
+
+    private function _readFile()
+    {
+        $content = file_get_contents($this->file);
+        $this->config = json_decode($content, true);
+    }
+
+
+    /**
+     * Returns a specific config variable
+     * Ex : get('ping:hosts')
+     */
+    public function get($var)
+    {
+        $tab = $this->config;
+        
+        $explode = explode(':', $var);
+        
+        foreach ($explode as $vartmp)
+        {
+            if (isset($tab[$vartmp]))
+            {
+                $tab = $tab[$vartmp];
+            }
+        }
+
+        return $tab == $this->config ? null : $tab;
+    }
+    
+    
+    /**
+     * Returns all config variables
+     */
+    public function getAll()
+    {
+        return $this->config;
+    }
+
+
+    /**
+     * Checks if there is an eSM`Web update available
+     */
+    public function checkUpdate()
+    {
+        $response       = null;
+        $this_version   = $this->get('esm:version');
+        $update_url     = $this->get('esm:website').'/esm-web/update/'.$this_version;
+
+        if (!function_exists('curl_version'))
+        {
+            $tmp = @file_get_contents($update_url);
+            $response = json_decode($tmp, true);
+        }
+        else
+        {
+            $curl = curl_init();
+
+            curl_setopt_array($curl, array(
+                CURLOPT_CONNECTTIMEOUT  => 10,
+                CURLOPT_RETURNTRANSFER  => true,
+                CURLOPT_SSL_VERIFYPEER  => false,
+                CURLOPT_TIMEOUT         => 60,
+                CURLOPT_USERAGENT       => 'eZ Server Monitor `Web',
+                CURLOPT_URL             => $update_url,
+            ));
+
+            $response = json_decode(curl_exec($curl), true);
+
+            curl_close($curl);
+        }
+
+        if (!is_null($response) && !empty($response))
+        {
+            if (is_null($response['error']))
+            {
+                return $response['datas'];
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/libs/Utils/Misc.class.php b/libs/Utils/Misc.class.php
new file mode 100644
index 0000000..3fcfedb
--- /dev/null
+++ b/libs/Utils/Misc.class.php
@@ -0,0 +1,57 @@
+<?php
+
+class Misc
+{
+	/**
+	 * Returns human size
+	 */
+    public static function getSize($filesize, $precision = 2)
+    {
+        $units = array('', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y');
+        
+        foreach ($units as $idUnit => $unit)
+        {
+            if ($filesize > 1024)
+                $filesize /= 1024; 
+            else
+                break;
+        }
+        
+        return round($filesize, $precision).' '.$units[$idUnit].'o';
+    }
+
+    
+    /**
+     * Returns hostname
+     */
+    public static function getHostname()
+    {
+        return php_uname('n');
+    }
+
+
+    /**
+     * Returns server IP
+     */
+    public static function getLanIp()
+    {
+        return $_SERVER['SERVER_ADDR'];
+    }
+
+    /**
+     * Allows to pluralize a word based on a number
+     * Ex : echo 'mot'.Misc::pluralize(5); ==> prints mots
+     * Ex : echo 'cheva'.Misc::pluralize(5, 'ux', 'l'); ==> prints chevaux
+     * Ex : echo 'cheva'.Misc::pluralize(1, 'ux', 'l'); ==> prints cheval
+     * 
+     * @param int $nb
+     * @param string $plural
+     * @param string $singular
+     * 
+     * @return string
+     */
+    public static function pluralize($nb, $plural = 's', $singular = '')
+    {
+        return $nb > 1 ? $plural : $singular;
+    }
+}
\ No newline at end of file
diff --git a/libs/cpu.php b/libs/cpu.php
new file mode 100644
index 0000000..e2743f9
--- /dev/null
+++ b/libs/cpu.php
@@ -0,0 +1,65 @@
+<?php
+
+// Number of cores
+if (!($num_cores = shell_exec('/bin/grep -c ^processor /proc/cpuinfo')))
+{
+    $num_cores = 'N.A';
+}
+
+
+// CPU info
+if (!($cpuinfo = shell_exec('cat /proc/cpuinfo')))
+{
+    $model      = 'N.A';
+    $frequency  = 'N.A';
+    $cache      = 'N.A';
+    $bogomips   = 'N.A';
+}
+else
+{
+    $processors = preg_split('/\s?\n\s?\n/', trim($cpuinfo));
+
+    foreach ($processors as $processor)
+    {
+        $details = preg_split('/\n/', $processor, -1, PREG_SPLIT_NO_EMPTY);
+
+        foreach ($details as $detail)
+        {
+            list($key, $value) = preg_split('/\s*:\s*/', trim($detail));
+
+            switch ($key)
+            {
+                case 'model name':
+                case 'cpu model':
+                case 'cpu':
+                    $model = $value;
+                break;
+
+                case 'cpu MHz':
+                case 'clock':
+                    $frequency = $value.' MHz';
+                break;
+
+                case 'cache size':
+                case 'l2 cache':
+                    $cache = $value;
+                break;
+
+                case 'bogomips':
+                    $bogomips = $value;
+                break;
+            }
+        }
+    }
+}
+
+
+$datas = array(
+    'model'      => $model,
+    'num_cores'  => $num_cores,
+    'frequency'  => $frequency,
+    'cache'      => $cache,
+    'bogomips'   => $bogomips,
+);
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/disk.php b/libs/disk.php
new file mode 100644
index 0000000..d3d3199
--- /dev/null
+++ b/libs/disk.php
@@ -0,0 +1,49 @@
+<?php
+require 'Utils/Misc.class.php';
+
+$datas = array();
+
+if (!(exec('/bin/df | awk \'{print $2","$3","$4","$5","$6}\'', $df)))
+{
+    $datas[] = array(
+        'total'         => 'N.A',
+        'used'          => 'N.A',
+        'free'          => 'N.A',
+        'percent_used'  => 0,
+        'mount'         => 'N.A',
+    );
+}
+else
+{
+    $first_line = false;
+
+    $mounted_points = array();
+
+    foreach ($df as $mounted)
+    {
+        if ($first_line === false)
+        {
+            $first_line = true;
+            continue;
+        }
+
+        list($total, $used, $free, $percent, $mount) = explode(',', $mounted);
+
+        if (!in_array($mount, $mounted_points))
+        {
+            $mounted_points[] = trim($mount);
+
+            $datas[] = array(
+                'total'         => Misc::getSize($total * 1024),
+                'used'          => Misc::getSize($used * 1024),
+                'free'          => Misc::getSize($free * 1024),
+                'percent_used'  => trim($percent, '%'),
+                'mount'         => $mount,
+            );
+        }
+    }
+
+}
+
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/last_login.php b/libs/last_login.php
new file mode 100644
index 0000000..5a8887e
--- /dev/null
+++ b/libs/last_login.php
@@ -0,0 +1,32 @@
+<?php
+require 'Utils/Config.class.php';
+$Config = new Config();
+
+
+$datas = array();
+
+if (!(exec('/usr/bin/lastlog --time 365 | /usr/bin/awk \'{print $1","$3","$4" "$5" "$6" "$7" "$8}\'', $users)))
+{
+    $datas[] = array(
+        'user' => 'N.A',
+        'host' => 'N.A',
+        'date' => 'N.A',
+    );
+}
+else
+{
+    $max = $Config->get('last_login:max');
+
+    for ($i = 1; $i < count($users) && $i <= $max; $i++)
+    {
+        list($user, $host, $date) = explode(',', $users[$i]);
+
+        $datas[] = array(
+            'user' => $user,
+            'host' => $host,
+            'date' => $date,
+        );
+    }
+}
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/load_average.php b/libs/load_average.php
new file mode 100644
index 0000000..8eea8f9
--- /dev/null
+++ b/libs/load_average.php
@@ -0,0 +1,25 @@
+<?php
+
+if (!($load_tmp = shell_exec('/bin/cat /proc/loadavg | /usr/bin/awk \'{print $1","$2","$3}\'')))
+{
+    $load = array(0, 0, 0);
+}
+else
+{
+    $load_exp = explode(',', $load_tmp);
+
+    $load = array_map(
+        function ($value) {
+            $v = (int)($value * 100);
+            if ($v > 100)
+                $v = 100;
+            return $v;
+        }, 
+        $load_exp
+    );
+}
+
+
+$datas = $load;
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/memory.php b/libs/memory.php
new file mode 100644
index 0000000..27a783e
--- /dev/null
+++ b/libs/memory.php
@@ -0,0 +1,30 @@
+<?php
+require 'Utils/Misc.class.php';
+
+// Free
+if (!($free = shell_exec('grep MemFree /proc/meminfo | awk \'{print $2}\'')))
+{
+    $free = 0;
+}
+
+// Total
+if (!($total = shell_exec('grep MemTotal /proc/meminfo | awk \'{print $2}\'')))
+{
+    $total = 0;
+}
+
+// Used
+$used = $total - $free;
+
+// Percent used
+$percent_used = 100 - (round($free / $total * 100));
+
+
+$datas = array(
+    'used'          => Misc::getSize($used * 1024),
+    'free'          => Misc::getSize($free * 1024),
+    'total'         => Misc::getSize($total * 1024),
+    'percent_used'  => $percent_used,
+);
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/network.php b/libs/network.php
new file mode 100644
index 0000000..12521bf
--- /dev/null
+++ b/libs/network.php
@@ -0,0 +1,32 @@
+<?php
+require 'Utils/Misc.class.php';
+
+$datas = array();
+
+if (!(exec('/sbin/ifconfig | awk -F "  " \'{print $1}\' | sed -e \'/^$/d\'', $getInterfaces)))
+{
+    $datas[] = array('interface' => 'N.A', 'ip' => 'N.A');
+}
+else
+{
+    exec('/sbin/ifconfig | awk \'/inet / {print $2}\' | cut -d \':\' -f2', $getIps);
+
+    foreach ($getInterfaces as $key => $interface)
+    {
+        // Get transmit and receive datas by interface
+        exec('cat /sys/class/net/'.$interface.'/statistics/tx_bytes', $getBandwidth_tx);
+        exec('cat /sys/class/net/'.$interface.'/statistics/rx_bytes', $getBandwidth_rx);
+
+        $datas[] = array(
+            'interface' => $interface,
+            'ip'        => $getIps[$key],
+            'transmit'  => Misc::getSize($getBandwidth_tx[0]),
+            'receive'   => Misc::getSize($getBandwidth_rx[0]),
+        );
+
+        unset($getBandwidth_tx, $getBandwidth_rx);
+    }
+}
+
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/ping.php b/libs/ping.php
new file mode 100644
index 0000000..1cadb70
--- /dev/null
+++ b/libs/ping.php
@@ -0,0 +1,25 @@
+<?php
+require 'Utils/Config.class.php';
+$Config = new Config();
+
+
+$datas = array();
+
+if (count($Config->get('ping:hosts')) > 0)
+    $hosts = $Config->get('ping:hosts');
+else
+    $hosts = array('google.com', 'wikipedia.org');
+
+foreach ($hosts as $host)
+{
+    exec('/bin/ping -qc 1 '.$host.' | awk -F/ \'/^rtt/ { print $5 }\'', $result);
+
+    $datas[] = array(
+        'host' => $host,
+        'ping' => $result[0],
+    );
+
+    unset($result);
+}
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/services.php b/libs/services.php
new file mode 100644
index 0000000..eaedf3a
--- /dev/null
+++ b/libs/services.php
@@ -0,0 +1,37 @@
+<?php
+require 'Utils/Config.class.php';
+$Config = new Config();
+
+
+$datas = array();
+
+if (count($Config->get('services')) > 0)
+{
+    foreach ($Config->get('services') as $service)
+    {
+        $ip = 'localhost';
+        $sock = @fsockopen($ip, $service['port'], $num, $error, 5);
+        
+        if ($sock)
+        {
+            $datas[] = array(
+                'port'      => $service['port'],
+                'name'      => $service['name'],
+                'status'    => 1,
+            );
+            
+            fclose($sock);
+        }
+        else
+        {
+            $datas[] = array(
+                'port'      => $service['port'],
+                'name'      => $service['name'],
+                'status'    => 0,
+            );
+        }
+    }
+}
+
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/swap.php b/libs/swap.php
new file mode 100644
index 0000000..93bd323
--- /dev/null
+++ b/libs/swap.php
@@ -0,0 +1,31 @@
+<?php
+require 'Utils/Misc.class.php';
+
+
+// Free
+if (!($free = shell_exec('grep SwapFree /proc/meminfo | awk \'{print $2}\'')))
+{
+    $free = 0;
+}
+
+// Total
+if (!($total = shell_exec('grep SwapTotal /proc/meminfo | awk \'{print $2}\'')))
+{
+    $total = 0;
+}
+
+// Used
+$used = $total - $free;
+
+// Percent used
+$percent_used = 100 - (round($free / $total * 100));
+
+
+$datas = array(
+    'used'          => Misc::getSize($used * 1024),
+    'free'          => Misc::getSize($free * 1024),
+    'total'         => Misc::getSize($total * 1024),
+    'percent_used'  => $percent_used,
+);
+
+echo json_encode($datas);
\ No newline at end of file
diff --git a/libs/system.php b/libs/system.php
new file mode 100644
index 0000000..3e4ba1a
--- /dev/null
+++ b/libs/system.php
@@ -0,0 +1,83 @@
+<?php
+require 'Utils/Misc.class.php';
+
+// Hostname
+$hostname = php_uname('n');
+
+// OS
+if (!($os = shell_exec('/usr/bin/lsb_release -ds')))
+{
+    $os = 'N.A';
+}
+
+// Kernel
+if (!($kernel = shell_exec('/bin/uname -r')))
+{
+    $kernel = 'N.A';
+}
+
+// Uptime
+if (!($totalSeconds = shell_exec('/usr/bin/cut -d. -f1 /proc/uptime')))
+{
+    $uptime = 'N.A';
+}
+else
+{
+    $totalMin   = $totalSeconds / 60;
+    $totalHours = $totalMin / 60;
+
+    $days  = floor($totalHours / 24);
+    $hours = floor($totalHours - ($days * 24));
+    $min   = floor($totalMin - ($days * 60 * 24) - ($hours * 60));
+
+    $uptime = '';
+    if ($days != 0)
+        $uptime .= $days.' day'.Misc::pluralize($days).' ';
+
+    if ($hours != 0)
+        $uptime .= $hours.' hour'.Misc::pluralize($hours).' ';
+
+    if ($min != 0)
+        $uptime .= $min.' minute'.Misc::pluralize($min);
+}
+
+// Last boot
+if (!($upt_tmp = shell_exec('cat /proc/uptime')))
+{
+    $last_boot = 'N.A';
+}
+else
+{
+    $upt = explode(' ', $upt_tmp);
+    $last_boot = date('Y-m-d H:i:s', time() - intval($upt[0]));
+}
+
+// Current users
+if (!($current_users_cmd = shell_exec('who -q')))
+{
+    $current_users = 'N.A';
+}
+else
+{
+    $arr_user = explode('=', $current_users_cmd);
+    $current_users = $arr_user[1];
+}
+
+// Server datetime
+if (!($server_date = shell_exec('/bin/date')))
+{
+    $server_date = date('Y-m-d H:i:s');
+}
+
+
+$datas = array(
+    'hostname'      => $hostname,
+    'os'            => $os,
+    'kernel'        => $kernel,
+    'uptime'        => $uptime,
+    'last_boot'     => $last_boot,
+    'current_users' => $current_users,
+    'server_date'   => $server_date,
+);
+
+echo json_encode($datas);
\ No newline at end of file
-- 
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