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| 1 | <?php |
| 2 | /** |
| 3 | * Jingga |
| 4 | * |
| 5 | * PHP Version 8.1 |
| 6 | * |
| 7 | * @package phpOMS\System |
| 8 | * @copyright Dennis Eichhorn |
| 9 | * @license OMS License 2.0 |
| 10 | * @version 1.0.0 |
| 11 | * @link https://jingga.app |
| 12 | */ |
| 13 | declare(strict_types=1); |
| 14 | |
| 15 | namespace phpOMS\System; |
| 16 | |
| 17 | /** |
| 18 | * System utils |
| 19 | * |
| 20 | * @package phpOMS\System |
| 21 | * @license OMS License 2.0 |
| 22 | * @link https://jingga.app |
| 23 | * @since 1.0.0 |
| 24 | */ |
| 25 | final class SystemUtils |
| 26 | { |
| 27 | /** |
| 28 | * Constructor. |
| 29 | * |
| 30 | * @since 1.0.0 |
| 31 | * @codeCoverageIgnore |
| 32 | */ |
| 33 | private function __construct() |
| 34 | { |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Get system RAM. |
| 39 | * |
| 40 | * @return int |
| 41 | * |
| 42 | * @since 1.0.0 |
| 43 | */ |
| 44 | public static function getRAM() : int |
| 45 | { |
| 46 | $mem = 0; |
| 47 | |
| 48 | if (\stristr(\PHP_OS, 'WIN')) { |
| 49 | $memArr = []; |
| 50 | \exec('wmic memorychip get capacity', $memArr); |
| 51 | |
| 52 | $mem = \array_sum($memArr) / 1024; |
| 53 | } elseif (\stristr(\PHP_OS, 'LINUX')) { |
| 54 | $fh = \fopen('/proc/meminfo', 'r'); |
| 55 | |
| 56 | if ($fh === false) { |
| 57 | return $mem; // @codeCoverageIgnore |
| 58 | } |
| 59 | |
| 60 | while ($line = \fgets($fh)) { |
| 61 | $pieces = []; |
| 62 | if (\preg_match('/^MemTotal:\s+(\d+)\skB$/', $line, $pieces)) { |
| 63 | $mem = (int) ($pieces[1] ?? 0) * 1024; |
| 64 | break; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | \fclose($fh); |
| 69 | } |
| 70 | |
| 71 | return (int) $mem; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Get RAM usage. |
| 76 | * |
| 77 | * @return int |
| 78 | * |
| 79 | * @since 1.0.0 |
| 80 | */ |
| 81 | public static function getRAMUsage() : int |
| 82 | { |
| 83 | $memUsage = 0; |
| 84 | |
| 85 | if (\stristr(\PHP_OS, 'LINUX')) { |
| 86 | $free = \shell_exec('free'); |
| 87 | |
| 88 | if ($free === null || $free === false) { |
| 89 | return $memUsage; // @codeCoverageIgnore |
| 90 | } |
| 91 | |
| 92 | $free = \trim($free); |
| 93 | $freeArr = \explode("\n", $free); |
| 94 | $mem = \explode(' ', $freeArr[1]); |
| 95 | $mem = \array_values(\array_filter($mem)); |
| 96 | $memUsage = ((float) ($mem[2] ?? 0.0)) / ((float) ($mem[1] ?? 1.0)) * 100; |
| 97 | } |
| 98 | |
| 99 | return (int) $memUsage; |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Get cpu usage. |
| 104 | * |
| 105 | * @return int |
| 106 | * |
| 107 | * @since 1.0.0 |
| 108 | */ |
| 109 | public static function getCpuUsage() : int |
| 110 | { |
| 111 | $cpuUsage = 0; |
| 112 | |
| 113 | if (\stristr(\PHP_OS, 'WIN') !== false) { |
| 114 | $cpuUsage = null; |
| 115 | \exec('wmic cpu get LoadPercentage', $cpuUsage); |
| 116 | $cpuUsage = (int) ($cpuUsage[1] ?? -1); |
| 117 | } elseif (\stristr(\PHP_OS, 'LINUX') !== false) { |
| 118 | $loadavg = \sys_getloadavg(); |
| 119 | |
| 120 | if ($loadavg === false) { |
| 121 | return -1; |
| 122 | } |
| 123 | |
| 124 | $nproc = (int) \exec('nproc'); |
| 125 | if ($nproc === 0) { |
| 126 | return -1; |
| 127 | } |
| 128 | |
| 129 | $cpuUsage = ((float) ($loadavg[0] ?? 0.0)) * 100 / $nproc; |
| 130 | } |
| 131 | |
| 132 | return (int) $cpuUsage; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Get the server hostname. |
| 137 | * |
| 138 | * @return string |
| 139 | * |
| 140 | * @since 1.0.0 |
| 141 | */ |
| 142 | public static function getHostname() : string |
| 143 | { |
| 144 | if (isset($_SERVER['SERVER_NAME'])) { |
| 145 | return $_SERVER['SERVER_NAME']; |
| 146 | } elseif (($result = \gethostname()) !== false) { |
| 147 | return $result; |
| 148 | } elseif (!empty($hostname = \php_uname('n'))) { |
| 149 | return $hostname; |
| 150 | } |
| 151 | |
| 152 | return 'localhost.localdomain'; |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Execute a command |
| 157 | * |
| 158 | * @param string $executable Path or name of the executable |
| 159 | * @param string $cmd Command to execute |
| 160 | * @param bool $async Execute async |
| 161 | * |
| 162 | * @return array |
| 163 | * |
| 164 | * @throws \Exception |
| 165 | * |
| 166 | * @since 1.0.0 |
| 167 | */ |
| 168 | public static function runProc(string $executable, string $cmd, bool $async = false) : array |
| 169 | { |
| 170 | if (\strtolower((string) \substr(\PHP_OS, 0, 3)) === 'win') { |
| 171 | $cmd = 'cd ' . \escapeshellarg(\dirname($executable)) |
| 172 | . ' && ' . \basename($executable) |
| 173 | . ' ' |
| 174 | . $cmd; |
| 175 | |
| 176 | if ($async) { |
| 177 | $cmd .= ' > nul 2>&1 &'; |
| 178 | } |
| 179 | } else { |
| 180 | $cmd = \escapeshellarg($executable) |
| 181 | . ' ' |
| 182 | . $cmd; |
| 183 | |
| 184 | if ($async) { |
| 185 | $cmd .= ' > /dev/null 2>&1 &'; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | $pipes = []; |
| 190 | $desc = [ |
| 191 | 1 => ['pipe', 'w'], |
| 192 | 2 => ['pipe', 'w'], |
| 193 | ]; |
| 194 | |
| 195 | $resource = \proc_open($cmd, $desc, $pipes, null, null); |
| 196 | |
| 197 | if ($resource === false) { |
| 198 | throw new \Exception(); |
| 199 | } |
| 200 | |
| 201 | $stdout = ''; |
| 202 | $stderr = ''; |
| 203 | |
| 204 | if ($async) { |
| 205 | \stream_set_blocking($pipes[1], false); |
| 206 | \stream_set_blocking($pipes[2], false); |
| 207 | } else { |
| 208 | $stdout = \stream_get_contents($pipes[1]); |
| 209 | $stderr = \stream_get_contents($pipes[2]); |
| 210 | } |
| 211 | |
| 212 | foreach ($pipes as $pipe) { |
| 213 | \fclose($pipe); |
| 214 | } |
| 215 | |
| 216 | $status = \proc_close($resource); |
| 217 | |
| 218 | if ($status == -1) { |
| 219 | throw new \Exception((string) $stderr); |
| 220 | } |
| 221 | |
| 222 | $lines = \trim( |
| 223 | $stdout === false |
| 224 | ? '' |
| 225 | : (empty($stdout) |
| 226 | ? ($stderr === false ? '' : $stderr) |
| 227 | : $stdout) |
| 228 | ); |
| 229 | |
| 230 | $lineArray = \preg_split('/\r\n|\n|\r/', $lines); |
| 231 | $lines = []; |
| 232 | |
| 233 | if ($lineArray === false) { |
| 234 | return $lines; |
| 235 | } |
| 236 | |
| 237 | foreach ($lineArray as $line) { |
| 238 | $temp = \preg_replace('/\s+/', ' ', \trim($line, ' ')); |
| 239 | |
| 240 | if (!empty($temp)) { |
| 241 | $lines[] = $temp; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | return $lines; |
| 246 | } |
| 247 | } |