73 lines
1.9 KiB
PHP
73 lines
1.9 KiB
PHP
<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Protocol\Statusdat;
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/**
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* Container class containing the runtime state of an object
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*
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* This class contains the state of the object as a string and parses it
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* on the fly as soon as values should be retrieved. This reduces memory usage,
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* as most runtime information is never received and only lives for a very short time.
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*
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*/
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class RuntimeStateContainer extends \stdClass
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{
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/**
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* The state string
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*
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* @var string
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*/
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public $runtimeState = "";
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/**
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* Create a new runtime state container from the givven string
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*
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* @param string $str
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*/
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public function __construct($str = "")
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{
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$this->runtimeState = $str;
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}
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/**
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* Return true if the argument exists
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*
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* @param String $attr The argument to retrieve
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* @return bool True if it exists, otherwise false
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*/
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public function __isset($attr)
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{
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try {
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$this->__get($attr);
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return true;
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} catch (\InvalidArgumentException $e) {
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return false;
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}
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}
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/**
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* Return the given attribute
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*
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* If the container string is not yet parsed, this will happen here
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*
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* @param String $attr The attribute to retrieve
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* @return mixed The value of the attribute
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* @throws \InvalidArgumentException When the attribute does not exist
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*/
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public function __get($attr)
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{
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$start = strpos($this->runtimeState, $attr . "=");
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if ($start === false) {
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throw new \InvalidArgumentException("Unknown property $attr");
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}
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$start += strlen($attr . "=");
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$len = strpos($this->runtimeState, "\n", $start) - $start;
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$this->$attr = trim(substr($this->runtimeState, $start, $len));
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return $this->$attr;
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}
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}
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