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<?php
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namespace mbolli\nfsen_ng\common;
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use mbolli\nfsen_ng\datasources\Datasource;
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use mbolli\nfsen_ng\processor\Processor;
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abstract class Config {
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public const VERSION = 'v0.3';
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/**
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* @var array{
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* general: array{ports: int[], sources: string[], db: string, processor: string},
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* frontend: array{reload_interval: int, defaults: array<string, array>},
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* nfdump: array{binary: string, profiles-data: string, profile: string, max-processes: int},
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* db: array<string, array>,
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* log: array{priority: int}
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* }|array{}
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*/
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public static array $cfg = [];
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public static string $path;
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public static Datasource $db;
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public static Processor $processorClass;
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private static bool $initialized = false;
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private function __construct() {}
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public static function initialize(bool $initProcessor = false): void {
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global $nfsen_config;
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if (self::$initialized === true) {
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return;
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}
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$settingsFile = \dirname(__DIR__) . \DIRECTORY_SEPARATOR . 'settings' . \DIRECTORY_SEPARATOR . 'settings.php';
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if (!file_exists($settingsFile)) {
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throw new \Exception('No settings.php found. Did you rename the distributed settings correctly?');
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}
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include $settingsFile;
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self::$cfg = $nfsen_config;
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self::$path = \dirname(__DIR__);
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self::$initialized = true;
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// find data source
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$dbClass = 'mbolli\\nfsen_ng\\datasources\\' . ucfirst(mb_strtolower(self::$cfg['general']['db']));
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if (class_exists($dbClass)) {
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self::$db = new $dbClass();
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} else {
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throw new \Exception('Failed loading class ' . self::$cfg['general']['db'] . '. The class doesn\'t exist.');
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}
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// find processor
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$processorClass = \array_key_exists('processor', self::$cfg['general']) ? ucfirst(mb_strtolower(self::$cfg['general']['processor'])) : 'Nfdump';
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$processorClass = 'mbolli\\nfsen_ng\\processor\\' . $processorClass;
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if (!class_exists($processorClass)) {
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throw new \Exception('Failed loading class ' . $processorClass . '. The class doesn\'t exist.');
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}
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if (!\in_array(Processor::class, class_implements($processorClass), true)) {
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throw new \Exception('Processor class ' . $processorClass . ' doesn\'t implement ' . Processor::class . '.');
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}
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if ($initProcessor === true) {
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self::$processorClass = new $processorClass();
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}
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}
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}
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