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<?php
declare(strict_types=1);
use Daphnie\Collector;
use Daphnie\Metrics\Memory as MemoryMetric;
use Opcenter\System\Memory;
class Stats_Module extends Module_Skeleton
{
public function __construct()
{
parent::__construct();
$this->exportedFunctions = array(
'*' => PRIVILEGE_ALL
);
}
public function get_partition_information()
{
$fsoptions = array();
$buffer = file('/proc/mounts', FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES);
$results = [];
$knownMounts = [];
foreach ($buffer as $line) {
if (0 !== strncmp($line, '/dev/', 5)) {
continue;
}
[$dev, $mpoint, $type, $options, $fsck, $_] = explode(' ', $line);
if (isset($knownMounts[$dev])) {
continue;
}
$knownMounts[$dev] = 1;
$total = disk_total_space($mpoint)/1024;
if (!$total) {
continue;
}
$free = disk_free_space($mpoint)/1024;
$results[] = [
'disk' => $dev,
'size' => (int)$total,
'used' => (int)($total-$free),
'free' => (int)$free,
'percent' => round(($total - $free)/$total * 100) . '%',
'mount' => $mpoint,
'fstype' => $type,
'options' => $options
];
}
return $results;
}
public function get_spamassassin_stats()
{
$sastats = array();
if (!file_exists('/tmp/sa-stats')) {
return $sastats;
}
$fp = fopen('/tmp/sa-stats', 'r');
while (false !== ($line = fgets($fp))) {
$buffer = ' ';
if (false !== strpos($line, 'Period Beginning')) {
$data = explode(':', $line);
$sastats['begin_date'] = trim(implode(':', array_slice($data, 1)));
} else if (false !== strpos($line, 'Period Ending')) {
$data = explode(':', $line);
$sastats['end_date'] = trim(implode(':', array_slice($data, 1)));
} else {
if (false !== strpos($line, 'Reporting Period')) {
$line = fgets($fp);
fgets($fp);
while (false !== ($line = fgets($fp))) {
if ($buffer[strlen($buffer) - 2] == "\n" && $buffer[strlen($buffer) - 1] == "\n" && $line == "\n") {
break;
}
$buffer .= $line;
}
$sastats['reporting_information'] = trim($buffer);
} else {
if (false !== strpos($line, 'Statistics by Hour')) {
$line = fgets($fp);
while (false !== ($line = fgets($fp))) {
if ($buffer[strlen($buffer) - 2] == "\n" && $buffer[strlen($buffer) - 1] == "\n" && $line == "\n") {
break;
}
$buffer .= $line;
}
$sastats['stats_by_hour'] = trim($buffer);
} else {
if (false !== strpos($line, 'Done. Report generated')) {
while (false !== ($line = fgets($fp))) {
if (false !== strpos($line, 'TOP')) {
$bufftmp = $buffer;
$buffer = $line;
while (false !== ($line = fgets($fp))) {
$buffer .= $line;
}
$sastats['rule_information'] = trim($buffer);
$buffer = $bufftmp;
break;
}
$buffer .= $line;
}
$sastats['reporting_information'] .= "\n\n" . trim($buffer);
} else {
if (false !== strpos($line, 'TOP')) {
}
}
}
}
}
}
fclose($fp);
return $sastats;
}
public function get_memory_information()
{
if (false === ($fd = fopen('/proc/meminfo', 'r'))) {
return new FileError('/proc/meminfo does not exist');
}
$results['ram'] = array();
$results['swap'] = array(
'total' => 0,
'used' => 0,
'percent' => 0
);
$results['devswap'] = array();
while ($buf = fgets($fd)) {
if (preg_match('/^MemTotal:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$results['ram']['total'] = (int)$ar_buf[1];
} else {
if (preg_match('/^MemFree:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$results['ram']['t_free'] = (int)$ar_buf[1];
} else {
if (preg_match('/^Cached:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$results['ram']['cached'] = (int)$ar_buf[1];
} else {
if (preg_match('/^Buffers:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$results['ram']['buffers'] = (int)$ar_buf[1];
} else {
if (preg_match('/^SwapTotal:\s+([1-9]\d*)\s*kB/i', $buf, $ar_buf)) {
$results['swap']['total'] = (int)$ar_buf[1];
} else {
if (preg_match('/^SwapFree:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$results['swap']['free'] = (int)$ar_buf[1];
}
}
}
}
}
}
}
fclose($fd);
$results['ram']['t_used'] = $results['ram']['total'] - $results['ram']['t_free'];
$results['ram']['percent'] = round(($results['ram']['t_used'] * 100) / $results['ram']['total']);
$results['swap']['used'] = $results['swap']['total'] - $results['swap']['free'];
if ($results['swap']['total'] > 0) {
$results['swap']['percent'] = round(($results['swap']['used'] * 100) / $results['swap']['total']);
}
if (isset($results['ram']['cached']) && isset($results['ram']['buffers'])) {
$results['ram']['app'] = $results['ram']['t_used'] - $results['ram']['cached'] - $results['ram']['buffers'];
$results['ram']['app_percent'] = round(($results['ram']['app'] * 100) / $results['ram']['total']);
$results['ram']['buffers_percent'] = round(($results['ram']['buffers'] * 100) / $results['ram']['total']);
$results['ram']['cached_percent'] = round(($results['ram']['cached'] * 100) / $results['ram']['total']);
}
$swaps = file('/proc/swaps');
for ($i = 1, $n = sizeof($swaps); $i < $n; $i++) {
$ar_buf = preg_split('/\s+/', $swaps[$i], 6);
$results['devswap'][$ar_buf[0]] = array();
$results['devswap'][$ar_buf[0]]['total'] = $ar_buf[2];
$results['devswap'][$ar_buf[0]]['used'] = $ar_buf[3];
$results['devswap'][$ar_buf[0]]['free'] = ($results['devswap'][$ar_buf[0]]['total'] - $results['devswap'][$ar_buf[0]]['used']);
$results['devswap'][$ar_buf[0]]['percent'] = round(($ar_buf[3] * 100) / $ar_buf[2]);
}
return $results;
}
public function vmstat(): array {
$stat = file('/proc/stat', FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES);
$ts = microtime(true);
$fields = preg_split('/\s+/', $stat[0]);
$labels = [
'user',
'nice',
'system',
'idle',
'iowait',
'irq',
'softirq',
'steal',
'guest',
'guest_nice'
];
array_shift($fields);
$values = array_combine($labels, array_map(static function ($v) {
return (int)$v;
}, $fields)
);
$values['ts'] = $ts;
return $values;
}
public function get_network_device_information()
{
$results = array();
if (false === ($fd = fopen('/proc/net/dev', 'r'))) {
return new IOError('/proc/net/dev does not exist');
}
while ($buf = fgets($fd, 4096)) {
if (preg_match('/:/', $buf)) {
list($dev_name, $stats_list) = explode(":", $buf, 2);
$stats = preg_split('/\s+/', trim($stats_list));
$results[$dev_name] = array();
$results[$dev_name]['rx_bytes'] = $stats[0];
$results[$dev_name]['rx_packets'] = $stats[1];
$results[$dev_name]['rx_errs'] = $stats[2];
$results[$dev_name]['rx_drop'] = $stats[3];
$results[$dev_name]['tx_bytes'] = $stats[8];
$results[$dev_name]['tx_packets'] = $stats[9];
$results[$dev_name]['tx_errs'] = $stats[10];
$results[$dev_name]['tx_drop'] = $stats[11];
$results[$dev_name]['errs'] = $stats[2] + $stats[10];
$results[$dev_name]['drop'] = $stats[3] + $stats[11];
}
}
return $results;
}
public function _cron(Cronus $c)
{
if (!TELEMETRY_ENABLED) {
return;
}
$collector = new Collector(PostgreSQL::pdo());
$status = Memory::stats();
foreach (MemoryMetric::getAttributeMap() as $attr => $metric) {
$val = $status[$metric];
if ($val instanceof Closure) {
$val = $val($status);
}
$collector->add("memory-${attr}", null, $val);
}
}
}