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<?php
namespace Laravel\Horizon;
use Illuminate\Support\Arr;
use Laravel\Horizon\Contracts\MasterSupervisorRepository;
use Laravel\Horizon\Contracts\SupervisorRepository;
class ProcessInspector
{
/**
* The command executor.
*
* @var \Laravel\Horizon\Exec
*/
public $exec;
/**
* Create a new process inspector instance.
*
* @param \Laravel\Horizon\Exec $exec
* @return void
*/
public function __construct(Exec $exec)
{
$this->exec = $exec;
}
/**
* Get the IDs of all Horizon processes running on the system.
*
* @return array
*/
public function current()
{
return array_diff(
$this->exec->run('pgrep -f [h]orizon'),
$this->exec->run('pgrep -f horizon:purge')
);
}
/**
* Get an array of running Horizon processes that can't be accounted for.
*
* @return array
*/
public function orphaned()
{
return array_diff($this->current(), $this->monitoring());
}
/**
* Get all of the process IDs Horizon is actively monitoring.
*
* @return array
*/
public function monitoring()
{
return collect(app(SupervisorRepository::class)->all())
->pluck('pid')
->pipe(function ($processes) {
$processes->each(function ($process) use (&$processes) {
$processes = $processes->merge($this->exec->run("pgrep -P {$process}"));
});
return $processes;
})
->merge(
Arr::pluck(app(MasterSupervisorRepository::class)->all(), 'pid')
)->all();
}
}
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