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<?php
namespace Icinga\Module\Director\Daemon;
use gipfl\LinuxHealth\Memory;
use Icinga\Application\Platform;
use React\ChildProcess\Process;
use gipfl\Cli\Process as CliProcess;
class DaemonProcessDetails
{
/** @var string */
protected $instanceUuid;
/** @var \stdClass */
protected $info;
/** @var ProcessList[] */
protected $processLists = [];
protected $myArgs;
protected $myPid;
public function __construct($instanceUuid)
{
$this->instanceUuid = $instanceUuid;
$this->initialize();
}
public function getInstanceUuid()
{
return $this->instanceUuid;
}
public function getPropertiesToInsert()
{
return $this->getPropertiesToUpdate() + (array) $this->info;
}
public function getPropertiesToUpdate()
{
return [
'ts_last_update' => DaemonUtil::timestampWithMilliseconds(),
'ts_stopped' => null,
'process_info' => \json_encode($this->collectProcessInfo()),
];
}
public function set($property, $value)
{
if (\property_exists($this->info, $property)) {
$this->info->$property = $value;
} else {
throw new \InvalidArgumentException("Trying to set invalid daemon info property: $property");
}
}
public function registerProcessList(ProcessList $list)
{
$refresh = function (Process $process) {
$this->refreshProcessInfo();
};
$list->on('start', $refresh)->on('exit', $refresh);
$this->processLists[] = $list;
return $this;
}
protected function refreshProcessInfo()
{
$this->set('process_info', \json_encode($this->collectProcessInfo()));
}
protected function collectProcessInfo()
{
$info = (object) [$this->myPid => (object) [
'command' => implode(' ', $this->myArgs),
'running' => true,
'memory' => Memory::getUsageForPid($this->myPid)
]];
foreach ($this->processLists as $processList) {
foreach ($processList->getOverview() as $pid => $details) {
$info->$pid = $details;
}
}
return $info;
}
protected function initialize()
{
global $argv;
CliProcess::getInitialCwd();
$this->myArgs = $argv;
$this->myPid = \posix_getpid();
if (isset($_SERVER['_'])) {
$self = $_SERVER['_'];
} else {
// Process does a better job, but want the relative path (if such)
$self = $_SERVER['PHP_SELF'];
}
$this->info = (object) [
'instance_uuid_hex' => $this->instanceUuid,
'running_with_systemd' => 'n',
'ts_started' => (int) ((float) $_SERVER['REQUEST_TIME_FLOAT'] * 1000),
'ts_stopped' => null,
'pid' => \posix_getpid(),
'fqdn' => Platform::getFqdn(),
'username' => Platform::getPhpUser(),
'schema_version' => null,
'php_version' => Platform::getPhpVersion(),
'binary_path' => $self,
'binary_realpath' => CliProcess::getBinaryPath(),
'php_integer_size' => PHP_INT_SIZE,
'php_binary_path' => PHP_BINARY,
'php_binary_realpath' => \realpath(PHP_BINARY), // TODO: useless?
'process_info' => null,
];
}
}
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