57a0ee0ca9
This is an addition to commit 65dc6ce.
There was still a lamba function left in the server model.
135 lines
3.9 KiB
PHP
135 lines
3.9 KiB
PHP
<?php defined('BASEPATH') || exit('No direct script access allowed');
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/*
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* Copyright (c) 2011 Karsten Heiken, Eike Foken
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/**
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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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* Add a field 'available' to the server.
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*
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* This field will be true if the last heartbeat was received less
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* than 2 minutes ago.
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*/
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private function addAvailability($var) {
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$var['available'] = time_diff($var['last_update'], mysql_now()) < 120 ? true : false;
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return $var;
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}
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/**
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* Creates a new server.
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*
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* @param array $data The server informations
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* @return boolean Returns TRUE if the insert was successful.
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*/
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public function create($data) {
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if ($this->db->insert('servers', $data)) {
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return $data['id'];
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} else {
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return false;
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}
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}
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/**
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* Deletes a server.
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*
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* @param string $serverId
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* @return boolean Returns TRUE if the deletion was successful.
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*/
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public function delete($serverId) {
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$this->db->delete('servers', array('id' => $serverId));
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return $this->db->affected_rows() > 0;
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}
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/**
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* Gets a list of all available servers.
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*
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* @return array The list of all available servers
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*/
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public function getAll() {
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$servers = $this->db->get('servers')->result_array();
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return array_map(array($this, "addAvailability"), $servers);
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}
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/**
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* Gets a list of servers that could handle another job.
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*
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* @return array The list of servers that could handle another job
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*/
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public function getIdle() {
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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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* Updates a 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 $workload The server's workload
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* @return boolean Returns TRUE if the update was successful.
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*/
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public function update($serverId, $data) {
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$this->db->where('id', $serverId)->update('servers', $data);
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return $this->db->affected_rows() > 0;
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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 getBestServer() {
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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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*
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* @param string $secret
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*/
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public function getBySecret($secret) {
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return $this->db->get_where('servers', array('secret' => $secret))->row();
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}
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/**
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*
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* @param string $serverId
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*/
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public function getById($serverId) {
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$server = $this->db->get_where('servers', array('id' => $serverId))->row();
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if (is_object($server)) {
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$server->uptimestring = prettyTime($server->uptime);
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if($server->last_update == 0) {
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$server->lastheartbeat = _("No heartbeat received yet.");
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} else {
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$server->lastheartbeat = prettyTime(time_diff($server->last_update, mysql_now()));
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}
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}
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return $server;
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}
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}
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/* End of file server.php */
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/* Location: ./application/models/server.php */
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