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<?php |
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namespace Popstas\Transmission\Console; |
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use GuzzleHttp\Exception\ConnectException; |
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use InfluxDB; |
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use Martial\Transmission\API\Argument\Torrent; |
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use Popstas\Transmission\Console\Helpers\TorrentUtils; |
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use Psr\Log\LoggerInterface; |
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class InfluxDbClient |
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{ |
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/** |
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* @var InfluxDB\Client $influxDb |
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*/ |
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private $influxDb; |
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/** |
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* @var InfluxDB\Database |
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*/ |
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private $database; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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private $databaseName; |
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public function __construct(InfluxDB\Client $influxDb, $databaseName) |
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{ |
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$this->influxDb = $influxDb; |
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$this->databaseName = $databaseName; |
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} |
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/** |
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* @return InfluxDB\Database $database |
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*/ |
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private function getDatabase() |
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{ |
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if (!isset($this->database)) { |
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$this->database = $this->connectDatabase(); |
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} |
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return $this->database; |
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} |
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/** |
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* @param InfluxDB\Database $database |
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*/ |
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public function setDatabase($database) |
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{ |
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$this->database = $database; |
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} |
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/** |
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* Injects a logger. |
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* |
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* @param LoggerInterface $logger |
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*/ |
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public function setLogger(LoggerInterface $logger) |
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{ |
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$this->logger = $logger; |
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} |
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private function log($level, $message, $context = []) |
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{ |
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if (!is_null($this->logger)) { |
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$this->logger->log($level, $message, $context); |
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} |
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} |
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/** |
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* @return InfluxDB\Database |
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* @throws InfluxDB\Database\Exception |
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*/ |
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public function connectDatabase() |
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{ |
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if (isset($this->database)) { |
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$this->database; |
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} |
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$database = $this->influxDb->selectDB($this->databaseName); |
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try { |
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$databaseExists = $database->exists(); |
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} catch (ConnectException $e) { |
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throw new \RuntimeException('InfluxDb connection error: ' . $e->getMessage()); |
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} |
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if (!$databaseExists) { |
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$this->log('info', 'Database ' . $this->databaseName . ' not exists, creating'); |
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$database->create(); |
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} |
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return $database; |
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} |
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/** |
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* @param array $torrent |
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* @param string $transmissionHost |
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* @return InfluxDB\Point |
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*/ |
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public function buildPoint(array $torrent, $transmissionHost) |
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{ |
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$age = TorrentUtils::getTorrentAge($torrent); |
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$lastPoint = $this->getLastPoint($torrent, $transmissionHost); |
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$tagsData = [ |
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'host' => $transmissionHost, |
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'torrent_name' => $torrent[Torrent\Get::NAME], |
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]; |
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$uploadedDerivative = count($lastPoint) && $torrent[Torrent\Get::UPLOAD_EVER] - $lastPoint['last'] >= 0 ? |
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$torrent[Torrent\Get::UPLOAD_EVER] - $lastPoint['last'] : $torrent[Torrent\Get::UPLOAD_EVER]; |
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$fieldsData = [ |
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'uploaded_last' => $uploadedDerivative, |
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'downloaded' => $torrent[Torrent\Get::TOTAL_SIZE], |
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'age' => $age, |
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'uploaded_per_day' => $age ? intval($torrent[Torrent\Get::UPLOAD_EVER] / $age * 86400) : 0, |
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]; |
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return new InfluxDB\Point( |
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'uploaded', |
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$torrent[Torrent\Get::UPLOAD_EVER], |
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$tagsData, |
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$fieldsData, |
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time() |
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); |
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} |
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public function getLastPoint(array $torrent, $transmissionHost) |
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{ |
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$torrentName = $torrent[Torrent\Get::NAME]; |
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$queryBuilder = $this->getDatabase()->getQueryBuilder(); |
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$results = $queryBuilder |
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->last('value') |
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->from('uploaded') |
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->where([ |
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"host='$transmissionHost'", |
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"torrent_name='$torrentName'" |
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]) |
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->getResultSet() |
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->getPoints(); |
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return count($results) ? $results[0] : []; |
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} |
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public function writePoints($points, $precision = InfluxDB\Database::PRECISION_SECONDS) |
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{ |
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foreach ($points as $point) { |
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$this->log('debug', 'Send point: {point}', ['point' => $point]); |
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} |
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return $this->getDatabase()->writePoints($points, $precision); |
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} |
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public function sendTorrentPoints(array $torrentList, $transmissionHost) |
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{ |
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$points = []; |
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foreach ($torrentList as $torrent) { |
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$points[] = $this->buildPoint($torrent, $transmissionHost); |
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} |
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$isSuccess = $this->writePoints($points); |
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$this->log('info', 'InfluxDB write ' . ($isSuccess ? 'success' : 'failed')); |
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return $isSuccess; |
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} |
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/** |
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* @param array $torrent |
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* @param string $fieldName |
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* @param string $transmissionHost |
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* @param int $lastDays |
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* @return int |
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*/ |
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public function getTorrentSum(array $torrent, $fieldName, $transmissionHost = '', $lastDays = 0) |
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{ |
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$where = []; |
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if (isset($torrent[Torrent\Get::NAME])) { |
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$where[] = "torrent_name = '" . $torrent[Torrent\Get::NAME] . "'"; |
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} |
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if ($transmissionHost) { |
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$where[] = "host = '" . $transmissionHost . "'"; |
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} |
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if ($lastDays) { |
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$fromTimestamp = strtotime('-' . $lastDays . ' days'); |
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$fromDate = date('c', $fromTimestamp); |
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$where[] = "time >= '$fromDate'"; |
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} |
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$results = $this->getDatabase()->getQueryBuilder() |
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->from('uploaded') |
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->select("sum($fieldName) as $fieldName") |
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->where($where) |
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->getResultSet() |
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->getPoints(); |
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; |
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$this->log('debug', $this->influxDb->getLastQuery()); |
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if (!empty($results)) { |
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return $results[0][$fieldName]; |
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} |
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return 0; |
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} |
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} |
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popstas /
transmission-cli
