Updated 'core' + renamed 'main' -> 'classes'.
[hub.git] / application / hub / classes / commands / console / class_HubConsoleAptProxyCommand.php
1 <?php
2 /**
3  * A command for the 'apt-proxy client' routine
4  *
5  * @author              Roland Haeder <webmaster@shipsimu.org>
6  * @version             0.0.0
7  * @copyright   Copyright (c) 2011 - 2012 Apt-Proxy Developer Team
8  * @license             GNU GPL 3.0 or any newer version
9  * @link                http://www.shipsimu.org
10  *
11  * This program is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation, either version 3 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program. If not, see <http://www.gnu.org/licenses/>.
23  */
24 class HubConsoleAptProxyCommand extends BaseCommand implements Commandable {
25         /**
26          * Protected constructor
27          *
28          * @return      void
29          */
30         protected function __construct () {
31                 // Call parent constructor
32                 parent::__construct(__CLASS__);
33         }
34
35         /**
36          * Creates an instance of this class
37          *
38          * @param       $resolverInstance       An instance of a command resolver class
39          * @return      $commandInstance        An instance a prepared command class
40          */
41         public static final function createHubConsoleAptProxyCommand (CommandResolver $resolverInstance) {
42                 // Get new instance
43                 $commandInstance = new HubConsoleAptProxyCommand();
44
45                 // Set the application instance
46                 $commandInstance->setResolverInstance($resolverInstance);
47
48                 // Return the prepared instance
49                 return $commandInstance;
50         }
51
52         /**
53          * Executes the given command with given request and response objects
54          *
55          * @param       $requestInstance        An instance of a class with an Requestable interface
56          * @param       $responseInstance       An instance of a class with an Responseable interface
57          * @return      void
58          * @todo        Try to create a AptProxyActivationTask or so
59          */
60         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
61                 // Get a registry and the application instance from it
62                 $applicationInstance = Registry::getRegistry()->getInstance('app');
63
64                 /*
65                  * ----------------------- Bootstrapping phase ------------------------
66                  * Try to bootstrap the node and pass the request instance to it for
67                  * extra arguments which mostly override config entries or enable special
68                  * features within the hub (none is ready at this development stage)
69                  */
70                 self::createDebugInstance(__CLASS__)->debugOutput('BOOTSTRAP: Beginning with bootstrap...');
71                 $applicationInstance->getControllerInstance()->executeBootstrapFilters($requestInstance, $responseInstance);
72                 self::createDebugInstance(__CLASS__)->debugOutput('BOOTSTRAP: Bootstrap finished.');
73
74                 // Get apt-proxy instance
75                 $proxyInstance = Registry::getRegistry()->getInstance('apt_proxy');
76
77                 // Add some apt-proxy-specific filters
78                 $proxyInstance->addExtraAptProxyFilters();
79
80                 // Get task handler instance
81                 $handlerInstance = Registry::getRegistry()->getInstance('task_handler');
82
83                 // Debug message
84                 self::createDebugInstance(__CLASS__)->debugOutput('MAIN: --- Entering main loop. ---');
85
86                 /*
87                  * ----------------------------- Main loop ----------------------------
88                  * This is the main loop. Queried calls should come back here very fast
89                  * so the whole application runs on nice speed. This while-loop goes
90                  * until the apt-proxy is no longer active or all tasks are killed.
91                  */
92                 while (($proxyInstance->isActive()) && ($handlerInstance->hasTasksLeft())) {
93                         // Handle all tasks here
94                         $handlerInstance->handleTasks();
95                 } // END - while
96
97                 // Debug message
98                 self::createDebugInstance(__CLASS__)->debugOutput('MAIN: --- Leaving main loop. ---');
99         }
100
101         /**
102          * Adds extra filters to the given controller instance
103          *
104          * @param       $controllerInstance             A controller instance
105          * @param       $requestInstance                An instance of a class with an Requestable interface
106          * @return      void
107          * @todo        Should we add some more filters?
108          */
109         public function addExtraFilters (Controller $controllerInstance, Requestable $requestInstance) {
110                 // Add pre filters
111                 $controllerInstance->addPreFilter(ObjectFactory::createObjectByConfiguredName('apt_proxy_php_requirements_filter'));
112                 $controllerInstance->addPreFilter(ObjectFactory::createObjectByConfiguredName('apt_proxy_initializer_filter'));
113                 $controllerInstance->addPreFilter(ObjectFactory::createObjectByConfiguredName('apt_proxy_welcome_teaser_filter'));
114
115                 // Add bootstrap filters
116                 $controllerInstance->addBootstrapFilter(ObjectFactory::createObjectByConfiguredName('apt_proxy_bootstrap_task_handler_initializer_filter'));
117                 $controllerInstance->addBootstrapFilter(ObjectFactory::createObjectByConfiguredName('apt_proxy_bootstrap_extra_bootstrapping_filter'));
118
119                 // This is the last generic boostrap filter
120                 $controllerInstance->addBootstrapFilter(ObjectFactory::createObjectByConfiguredName('apt_proxy_bootstrap_generic_activation_filter'));
121
122                 // Add shutdown filters
123                 //$controllerInstance->addShutdownFilter(ObjectFactory::createObjectByConfiguredName('apt_proxy_shutdown_task_handler_filter'));
124
125                 // This is the last generic shutdown filter
126                 $controllerInstance->addShutdownFilter(ObjectFactory::createObjectByConfiguredName('apt_proxy_shutdown_filter'));
127         }
128 }
129
130 // [EOF]
131 ?>