* @license https://github.com/raspap/raspap-webgui/blob/master/LICENSE */ namespace RaspAP\System; class Sysinfo { public function hostname() { return shell_exec("hostname -f"); } public function 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 ':' '); } return $uptime; } public function systime() { $systime = exec("date"); return $systime; } public function usedMemory() { $used = shell_exec("free -m | awk 'NR==2{ total=$2 ; used=$3 } END { print used/total*100}'"); return floor(intval($used)); } public function processorCount() { $procs = shell_exec("nproc --all"); return intval($procs); } public function loadAvg1Min() { $load = exec("awk '{print $1}' /proc/loadavg"); return floatval($load); } public function systemLoadPercentage() { return intval(($this->loadAvg1Min() * 100) / $this->processorCount()); } public function systemTemperature() { $cpuTemp = file_get_contents("/sys/class/thermal/thermal_zone0/temp"); return number_format((float)$cpuTemp/1000, 1); } public function hostapdStatus() { exec('pidof hostapd | wc -l', $status); return $status; } public function operatingSystem() { $os_desc = shell_exec("lsb_release -sd"); return $os_desc; } public function kernelVersion() { $kernel = shell_exec("uname -r"); return $kernel; } /* * Returns RPi Model and PCB Revision from Pi Revision Code (cpuinfo) * @see http://www.raspberrypi-spy.co.uk/2012/09/checking-your-raspberry-pi-board-version/ */ public function rpiRevision() { $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', '9000c1' => 'PiZero W', 'a02082' => 'Pi 3 Model B', 'a22082' => 'Pi 3 Model B', 'a32082' => 'Pi 3 Model B', 'a52082' => 'Pi 3 Model B', 'a020d3' => 'Pi 3 Model B+', 'a220a0' => 'Compute Module 3', 'a020a0' => 'Compute Module 3', 'a02100' => 'Compute Module 3+', 'a03111' => 'Model 4B Revision 1.1 (1 GB)', 'b03111' => 'Model 4B Revision 1.1 (2 GB)', 'c03111' => 'Model 4B Revision 1.1 (4 GB)' ); $cpuinfo_array = ''; exec('cat /proc/cpuinfo', $cpuinfo_array); $info = preg_grep("/^Revision/", $cpuinfo_array); $tmp = explode(':', array_pop($info)); $rev = trim(array_pop($tmp)); if (array_key_exists($rev, $revisions)) { return $revisions[$rev]; } else { exec('cat /proc/device-tree/model', $model); if (isset($model[0])) { return $model[0]; } else { return 'Unknown Device'; } } } }