103 lines
2.8 KiB
PHP
103 lines
2.8 KiB
PHP
<?php
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/**
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* Status checking.
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* @package Sakura
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*/
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namespace Sakura;
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/**
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* Status checking.
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* @package Sakura
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* @author Julian van de Groep <me@flash.moe>
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*/
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class Status
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{
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private $address = '';
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private $port = 0;
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private $protocol = '';
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public $state = null;
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public $history = [];
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public const OK = 2;
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public const ERROR = 1;
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public const FAIL = 0;
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public function __construct(string $address, int $port, string $protocol = '', bool $populate = true)
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{
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$this->address = $address;
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$this->port = $port;
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$this->protocol = $protocol;
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if ($populate) {
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$this->populate();
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}
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}
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public function populate(): void
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{
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$this->history = DB::table('status_history')
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->where('history_name', $this->address)
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->where('history_port', $this->port)
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->where('history_protocol', $this->protocol)
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->orderBy('history_date', 'desc')
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->get();
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$this->state = isset($this->history[0]) ? intval($this->history[0]->history_state) : null;
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}
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public function check(): int
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{
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$this->state = static::FAIL;
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$sock = checkdnsrr($this->address) ? fsockopen($this->address, $this->port, $errno, $errstr, 1) : false;
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if ($sock !== false) {
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fclose($sock);
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$this->state = static::OK;
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if ($this->protocol === 'http' || $this->protocol === 'https') {
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$header = strstr(
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Net::request("{$this->protocol}://{$this->address}:{$this->port}/", 'head', null, 1),
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"\r\n",
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true
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);
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if ($header !== false && strtolower(substr($header, 0, 4)) == 'http') {
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list($protocol, $response, $text) = explode(' ', $header, 3);
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if ($response >= 400 && $response < 500) {
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$this->state = static::ERROR;
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}
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if ($response >= 500 && $response < 600) {
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$this->state = static::FAIL;
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}
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}
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}
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}
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return $this->state;
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}
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public function save(): void
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{
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DB::table('status_history')
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->insert([
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'history_name' => $this->address,
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'history_port' => $this->port,
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'history_protocol' => $this->protocol,
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'history_state' => $this->state
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]);
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$this->history = array_merge(DB::table('status_history')
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->where('history_name', $this->address)
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->where('history_port', $this->port)
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->where('history_protocol', $this->protocol)
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->orderBy('history_date', 'desc')
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->limit(1)
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->get(), $this->history);
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}
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}
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