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* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Monolog\Handler; use Monolog\Logger; /** * Logs to Cube. * * @link http://square.github.com/cube/ * @author Wan Chen
*/ class CubeHandler extends AbstractProcessingHandler { private $udpConnection; private $httpConnection; private $scheme; private $host; private $port; private $acceptedSchemes = array('http', 'udp'); /** * Create a Cube handler * * @throws \UnexpectedValueException when given url is not a valid url. * A valid url must consist of three parts : protocol://host:port * Only valid protocols used by Cube are http and udp */ public function __construct($url, $level = Logger::DEBUG, $bubble = true) { $urlInfo = parse_url($url); if (!isset($urlInfo['scheme'], $urlInfo['host'], $urlInfo['port'])) { throw new \UnexpectedValueException('URL "'.$url.'" is not valid'); } if (!in_array($urlInfo['scheme'], $this->acceptedSchemes)) { throw new \UnexpectedValueException( 'Invalid protocol (' . $urlInfo['scheme'] . ').' . ' Valid options are ' . implode(', ', $this->acceptedSchemes)); } $this->scheme = $urlInfo['scheme']; $this->host = $urlInfo['host']; $this->port = $urlInfo['port']; parent::__construct($level, $bubble); } /** * Establish a connection to an UDP socket * * @throws \LogicException when unable to connect to the socket * @throws MissingExtensionException when there is no socket extension */ protected function connectUdp() { if (!extension_loaded('sockets')) { throw new MissingExtensionException('The sockets extension is required to use udp URLs with the CubeHandler'); } $this->udpConnection = socket_create(AF_INET, SOCK_DGRAM, 0); if (!$this->udpConnection) { throw new \LogicException('Unable to create a socket'); } if (!socket_connect($this->udpConnection, $this->host, $this->port)) { throw new \LogicException('Unable to connect to the socket at ' . $this->host . ':' . $this->port); } } /** * Establish a connection to a http server * @throws \LogicException when no curl extension */ protected function connectHttp() { if (!extension_loaded('curl')) { throw new \LogicException('The curl extension is needed to use http URLs with the CubeHandler'); } $this->httpConnection = curl_init('http://'.$this->host.':'.$this->port.'/1.0/event/put'); if (!$this->httpConnection) { throw new \LogicException('Unable to connect to ' . $this->host . ':' . $this->port); } curl_setopt($this->httpConnection, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($this->httpConnection, CURLOPT_RETURNTRANSFER, true); } /** * {@inheritdoc} */ protected function write(array $record) { $date = $record['datetime']; $data = array('time' => $date->format('Y-m-d\TH:i:s.uO')); unset($record['datetime']); if (isset($record['context']['type'])) { $data['type'] = $record['context']['type']; unset($record['context']['type']); } else { $data['type'] = $record['channel']; } $data['data'] = $record['context']; $data['data']['level'] = $record['level']; if ($this->scheme === 'http') { $this->writeHttp(json_encode($data)); } else { $this->writeUdp(json_encode($data)); } } private function writeUdp($data) { if (!$this->udpConnection) { $this->connectUdp(); } socket_send($this->udpConnection, $data, strlen($data), 0); } private function writeHttp($data) { if (!$this->httpConnection) { $this->connectHttp(); } curl_setopt($this->httpConnection, CURLOPT_POSTFIELDS, '['.$data.']'); curl_setopt($this->httpConnection, CURLOPT_HTTPHEADER, array( 'Content-Type: application/json', 'Content-Length: ' . strlen('['.$data.']'), )); Curl\Util::execute($this->httpConnection, 5, false); } }