BotLoader/BotLoader.class.php

   1 <?php
   2 /******************************* PHP-P10 v2 *****************************
   3  * Copyright (C) 2011  Philipp Kreil (pk910)                            *
   4  *                                                                      *
   5  * This program is free software: you can redistribute it and/or modify *
   6  * it under the terms of the GNU General Public License as published by *
   7  * the Free Software Foundation, either version 3 of the License, or    *
   8  * (at your option) any later version.                                  *
   9  *                                                                      *
  10  * This program is distributed in the hope that it will be useful,      *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  13  * GNU General Public License for more details.                         *
  14  *                                                                      *
  15  * You should have received a copy of the GNU General Public License    *
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>. *
  17  *                                                                      *
  18  ************************************************************************
  19  *
  20  *  BotLoader/BotLoader.class.php
  21  *
  22  * This class loades / rehashs or unloads all Bots.
  23  *
  24  */
  25 require_once("Bot.class.php");
  26 require_once("saxdb.class.php");
  27
  28 class BotLoader {
  29         const BOT_DIR = "Bots";
  30         const TMP_DIR = "tmp";
  31         private $uplink;
  32         private $saxdb;
  33         private $botdb;
  34         private $loadedBots = array();
  35         private $botDatabases = array();
  36         private static $botloader;
  37
  38         public function __construct($uplink) {
  39                 $this->uplink = $uplink;
  40                 $this->saxdb = new saxdb();
  41                 $this->saxdb->loadDB("php_p10.db");
  42                 $this->botdb = $this->saxdb->getSection("BotLoader");
  43                 self::$botloader = $this;
  44                 timer(60*10, array($this, "autosave"), array());
  45         }
  46
  47         public function loadBots() {
  48                 if(array_key_exists("bots", $this->botdb) && is_array($this->botdb["bots"])) {
  49                         foreach($this->botdb["bots"] as $name => $botfile) {
  50                                 $this->loadBot($name, $botfile);
  51                         }
  52                 } else {
  53                         $this->botdb["bots"] = array();
  54                 }
  55         }
  56
  57         public function unloadBots() {
  58                 foreach($this->loadedBots as $name => $bot) {
  59                         $this->unloadBot($name, false);
  60                 }
  61         }
  62
  63         public function save() {
  64                 $this->saxdb->setSection("BotLoader", $this->botdb);
  65                 $this->saxdb->writeDB("php_p10.db");
  66         }
  67
  68         public function autosave() {
  69                 foreach($this->loadedBots as $name => $bot) {
  70                         if(array_key_exists(strtolower($name), $this->botDatabases)) {
  71                                 $db = $bot->writeDB();
  72                                 $this->saxdb->setSection($this->botDatabases[strtolower($name)],$db);
  73                         }
  74                 }
  75                 $this->save();
  76                 timer(60*10, array($this, "autosave"), array());
  77         }
  78
  79         public function loop() {
  80                 foreach($this->loadedBots as $name => $bot) {
  81                         $bot->loop();
  82                 }
  83         }
  84
  85         private function loadBot($name, $botfile) {
  86                 if(array_key_exists(strtolower($name), $this->loadedBots)) return false;
  87                 //load bot
  88                 $bot = $this->loadClass($botfile, $name);
  89                 if(!$bot) return false;
  90                 $bot->load($this->uplink);
  91                 $this->loadedBots[strtolower($name)] = $bot;
  92                 if(!array_key_exists($name, $this->botdb["bots"])) {
  93                         $this->botdb["bots"][$name] = $botfile;
  94                 }
  95                 return true;
  96         }
  97
  98         private function unloadBot($name, $delete = true) {
  99                 if(!(array_key_exists(strtolower($name), $this->loadedBots))) return false;
 100                 //unload bot
 101                 $bot = $this->loadedBots[strtolower($name)];
 102                 if(array_key_exists(strtolower($name), $this->botDatabases)) {
 103                         $db = $bot->writeDB();
 104                         $this->saxdb->setSection($this->botDatabases[strtolower($name)],$db);
 105                         unset($this->botDatabases[strtolower($name)]);
 106                 }
 107                 ModCMD::unbindBot($bot);
 108                 $bot->unload(false);
 109                 unset($this->loadedBots[strtolower($name)]);
 110                 if(array_key_exists($name, $this->botdb["bots"]) && $delete) {
 111                         unset($this->botdb["bots"][$name]);
 112                 }
 113                 return true;
 114         }
 115
 116         private function rehashBot($name) {
 117                 if(!(array_key_exists(strtolower($name), $this->loadedBots))) return false;
 118                 $botfile = null;
 119                 foreach($this->botdb["bots"] as $botname => $file) {
 120                         if(strtolower($botname) == strtolower($name)) {
 121                                 $botfile = $file;
 122                                 break;
 123                         }
 124                 }
 125                 if(!$botfile) break;
 126                 //rehash bot
 127                 $bot = $this->loadedBots[strtolower($name)];
 128                 if(array_key_exists(strtolower($name), $this->botDatabases)) {
 129                         $db = $bot->writeDB();
 130                         $this->saxdb->setSection($this->botDatabases[strtolower($name)],$db);
 131                         unset($this->botDatabases[strtolower($name)]);
 132                 }
 133                 ModCMD::unbindBot($bot);
 134                 $data = $bot->unload(true);
 135                 unset($this->loadedBots[strtolower($name)]);
 136                 //ok  bot is unloaded... load it again...
 137                 $bot = $this->loadClass($botfile, $name);
 138                 if(!$bot) return false;
 139                 $bot->load($this->uplink, $data);
 140                 $this->loadedBots[strtolower($name)] = $bot;
 141                 return true;
 142         }
 143
 144         private function listLoadedBots() {
 145                 return $this->loadedBots;
 146         }
 147
 148         private function addDBsection($bot, $section) {
 149                 if(!is_a($bot, "Bot")) return false;
 150                 $name = null;
 151                 foreach($this->loadedBots as $botname => $cbot) {
 152                         if($cbot === $bot) {
 153                                 $name = $botname;
 154                                 break;
 155                         }
 156                 }
 157                 if($name == null) return false;
 158                 if(array_key_exists(strtolower($name), $this->botDatabases)) {
 159                         return false;
 160                 }
 161                 $this->botDatabases[strtolower($name)] = $section;
 162                 $bot->readDB($this->saxdb->getSection($section));
 163         }
 164
 165         private function loadClass($file, $classprefix) {
 166                 $dir = self::BOT_DIR;
 167                 $tmp = self::TMP_DIR;
 168                 $maincode=file_get_contents($dir."/".$file);
 169                 if(!$maincode) return;
 170                 $class = rand(10000,99999);
 171                 while(class_exists("bot_".$classprefix."_".$class)) {
 172                         $class = rand(10000,99999);
 173                 }
 174                 $maincode = str_replace('{$_NAME}', "module_".$classprefix."_".$class, $maincode);
 175                 $fp = fopen($tmp."/modules_".$classprefix."_".$class.".tmp.php", 'w');
 176                 fwrite($fp, $maincode);
 177                 fclose($fp);
 178                 include($tmp."/modules_".$classprefix."_".$class.".tmp.php");
 179                 $classname = "module_".$classprefix."_".$class;
 180                 $newclass = new $classname();
 181                 unlink($tmp."/modules_".$classprefix."_".$class.".tmp.php");
 182                 return $newclass;
 183         }
 184
 185         public static function load($name, $botfile) {
 186                 return self::$botloader->loadBot($name, $botfile);
 187         }
 188
 189         public static function unload($name) {
 190                 return self::$botloader->unloadBot($name);
 191         }
 192
 193         public static function rehash($name) {
 194                 return self::$botloader->rehashBot($name);
 195         }
 196
 197         public static function listBots() {
 198                 return self::$botloader->listLoadedBots();
 199         }
 200
 201         public static function registerDB($bot, $name) {
 202                 return self::$botloader->addDBsection($bot, $name);
 203         }
 204 }
 205
 206 ?>