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<?php |
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namespace App\Babel\Extension\noj; |
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use App\Babel\Monit\MonitorBase; |
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use App\Models\OJModel; |
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use App\Models\JudgerModel; |
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use Exception; |
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class Monitor extends MonitorBase |
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{ |
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public $ocode="noj"; |
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public $oid=null; |
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public function __construct() |
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{ |
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$this->oid=OJModel::oid($this->ocode); |
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} |
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public function check() |
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{ |
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$judgerModel=new JudgerModel(); |
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$serverList=$judgerModel->fetchServer($this->oid); |
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foreach ($serverList as $server) { |
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if ($server["available"]==0) { |
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$this->updateStatus($server["jsid"], -2); |
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continue; |
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} |
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$serverURL="http://".$server["host"].":".$server["port"]; |
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try { |
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$pong=$this->ping($serverURL.'/ping', $server["port"], hash('sha256', $server["token"])); |
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} catch (Exception $exception) { |
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$this->updateStatus($server["jsid"], 1); |
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continue; |
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} |
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if (empty($pong)) { |
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$this->updateStatus($server["jsid"], 1); |
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continue; |
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} |
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if ($pong["status_code"]==200) { |
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$pong=$pong["body"]; |
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$load=4 * $pong->data->cpu+0.6 * $pong->data->memory; |
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$this->updateStatus($server["jsid"], 0, $load); |
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} |
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} |
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} |
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private function ping($url, $port, $token) |
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{ |
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$curl=curl_init(); |
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if ($curl===false) { |
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return []; |
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} |
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curl_setopt_array($curl, array( |
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CURLOPT_PORT => $port, |
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CURLOPT_URL => $url, |
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CURLOPT_RETURNTRANSFER => true, |
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CURLOPT_ENCODING => "", |
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CURLOPT_MAXREDIRS => 10, |
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CURLOPT_TIMEOUT => 30, |
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CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, |
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CURLOPT_CUSTOMREQUEST => "POST", |
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CURLOPT_POSTFIELDS => "", |
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CURLOPT_HTTPHEADER => array( |
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"Content-Type: application/json", |
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"X-Judge-Server-Token: ".$token, |
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"cache-control: no-cache" |
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), |
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)); |
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$response=curl_exec($curl); |
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$err=curl_error($curl); |
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$httpCode=curl_getinfo($curl, CURLINFO_HTTP_CODE); |
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curl_close($curl); |
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if ($err) { |
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\Log::error($err); |
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return []; |
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} else { |
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return [ |
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"status_code"=>$httpCode, |
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"body"=>json_decode($response) |
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]; |
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} |
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} |
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} |
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ZsgsDesign /
NOJ
