51 lines
1.2 KiB
PHP
51 lines
1.2 KiB
PHP
<?php
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/**
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* @author Karsten Heiken, karsten@disposed.de
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*/
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class Server extends CI_Model {
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/**
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* Get a list of all available servers.
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*
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* @return array List of all available servers.
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*/
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public function get_all() {
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return $this->db->get('servers')->result_array();
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}
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/**
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* Get a list of servers that could handle another job.
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*
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* @return array List of servers that could handle another job.
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*/
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public function get_idle() {
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return $this->db->get_where('servers', 'workload <= 2')->result_array();
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}
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/**
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* Set a server's workload.
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*
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* In order to check if a server can handle another job we need to know
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* the workload of every server.
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*
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* @param type $secret The server's secret for basic authentication.
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* @param type $workload The server's workload.
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*/
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public function update_workload($secret, $workload) {
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$this->db->query("UPDATE `servers` SET `workload`=".$this->db->escape($workload)
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. ", `last_update`=NOW()"
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. " WHERE `secret`=".$this->db->escape($secret));
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}
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/**
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* Get the best suiting server for a new job.
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*
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* @todo not yet verified.
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*/
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public function get_best_server() {
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return $this->db->limit(1)->order_by('last_update', 'desc')->
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get_where('servers', 'workload <= 2')->row_array();
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}
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}
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