3 * A hub-node class for the 'Boot' mode
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 Hub Developer Team
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.org
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.
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.
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/>.
24 class HubBootNode extends BaseHubNode implements NodeHelper, Registerable {
26 * Protected constructor
30 protected function __construct () {
31 // Call parent constructor
32 parent::__construct(__CLASS__);
36 * Creates an instance of this hub-node class
38 * @param $requestInstance An instance of a Requestable class
39 * @return $nodeInstance An instance of this hub-node class
41 public final static function createHubBootNode (Requestable $requestInstance) {
43 $nodeInstance = new HubBootNode();
45 // Set the request instance
46 $nodeInstance->setRequestInstance($requestInstance);
48 // Return the instance
53 * Method to "bootstrap" the node. This step does also apply provided
54 * command-line arguments stored in the request instance. The regular node
55 * should communicate with the bootstrap-nodes at this point.
58 * @todo add some more special bootstrap things for this boot node
60 public function doBootstrapping () {
61 // Now check if the IP address matches one of the bootstrap nodes
62 if ($this->ifAddressMatchesBootstrappingNodes($_SERVER['SERVER_ADDR'])) {
63 // Get our port from configuration
64 $ourPort = $this->getConfigInstance()->getConfigEntry('node_tcp_listen_port');
67 $bootPort = substr($this->getBootIpPort(), -strlen($ourPort), strlen($ourPort));
69 // Is the port the same?
70 if ($bootPort == $ourPort) {
72 $this->debugOutput('BOOTSTRAP: IP/port matches bootstrapping node ' . $this->getBootIpPort() . '.');
74 // Now, does the mode match (should be 'boot'!)
75 if ($this->getRequestInstance()->getRequestElement('mode') == 'boot') {
76 // Output debug message
77 $this->debugOutput('BOOTSTRAP: Our node is a valid bootstrapping node.');
80 $this->debugOutput('BOOTSTRAP: WARNING: Mismatching mode ' . $this->getRequestInstance()->getRequestElement('mode') . '!=boot detected.');
83 // IP does match, but no port
84 $this->debugOutput('BOOTSTRAP: WARNING: Our IP ' . $_SERVER['SERVER_ADDR'] . ' does match a known bootstrap-node but not the port ' . $ourPort . '/' . $bootPort . '.');
87 // Node does not match any know bootstrap-node
88 $this->debugOutput('BOOTSTRAP: WARNING: Our IP ' . $_SERVER['SERVER_ADDR'] . ' does not match any known bootstrap-nodes.');
91 // This might not be all...
92 $this->partialStub('Please implement more bootsrapping steps.');
96 * Initializes hub-specific queues
99 * @todo Unfinished method
101 public function initQueues () {
102 // Call generic queues every hub may have, like the core queue
103 parent::initGenericQueues();
104 $this->partialStub('Please add some more hub-specific queues.');