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<?php // $Id: movino_servers.inc,v 1.2 2007/07/13 07:28:27 tomsun Exp $
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/*
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Movino Web Frontend - Server handling, feed parsing and feed caching
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Copyright 2006, 2007 Tom Sundström
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* Loads the server info from either the Drupal admin interface or the .ini file.
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*
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* @return array of server-arrays.
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*/
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function movino_get_servers() {
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$servers = array();
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if (defined('MOVINO_STANDALONE')) {
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// Servers are defined in the standalone.ini file.
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$settings = parse_ini_file('standalone.ini', TRUE);
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$server_ids = explode(',', $settings['movino_video_servers']);
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if (empty($server_ids)) {
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return array();
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}
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$servers = array();
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foreach ($server_ids as $server_id) {
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$server_id = trim($server_id);
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$servers[$server_id] = $settings[$server_id];
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$servers[$server_id]['id'] = $server_id;
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}
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return $servers;
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}
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// Servers are defined in the movino_servers DB table.
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// Load server info from db
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$result = db_query("SELECT * FROM {movino_servers} ");
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while($server = db_fetch_array($result)) {
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$servers[$server['id']] = $server;
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$servers[$server['id']]['admin_links'] = l(t('Edit'), 'admin/settings/movino/servers/edit/' . $server['id']) . ' | ' . l(t('Delete'), 'admin/settings/movino/servers/delete/' . $server['id']);
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}
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// Allow third party modules to define servers.
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$additional_servers = module_invoke_all('movino_servers');
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return array_merge($additional_servers, $servers);
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}
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/**
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* Generates a unique secret key for server $id and stores it in DB.
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*/
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function movino_server_generate_secret_key($id) {
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usleep(rand(0, 100));
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$key = md5(microtime());
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$result = db_query("SELECT * FROM {movino_servers} WHERE secret_key = '%s' ", $key);
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if ($record = db_fetch_array($result)) {
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// Key already used, generate a new one
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return movino_server_generate_secret_key($id);
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}
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movino_server_update_secret_key($id, $key);
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return $key;
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}
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/**
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* Stores a secret video server key in DB.
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*/
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function movino_server_update_secret_key($id, $key) {
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$query = "UPDATE {movino_servers} SET secret_key = '%s' WHERE id = '%s'";
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$result = db_query($query, $key, $id);
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}
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/**
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* Returns server id for the given secret key. Returns false if no match.
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*/
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function movino_server_validate_secret_key($key) {
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$result = db_query("SELECT * FROM {movino_servers} WHERE secret_key = '%s' ", $key);
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if ($server = db_fetch_array($result)) {
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// Key already used, generate a new one
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return $server['id'];
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}
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return FALSE;
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}
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/**
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* Get Movino server info.
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*
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* @param integer $id The id of the server.
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* @return boolean
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*/
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function movino_server_get($id) {
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if (defined('MOVINO_STANDALONE')) {
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// Servers are defined in the standalone.ini file.
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$settings = parse_ini_file('standalone.ini');
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if (empty($settings[$id])) {
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return array();
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}
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return $settings[$id];
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}
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// Load server info from db
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$result = db_query("SELECT * FROM {movino_servers} WHERE id = '%s' ", $id);
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if (db_num_rows($result)) {
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$server = db_fetch_array($result);
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}
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if (empty($server)) {
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return FALSE;
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}
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return $server;
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}
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/**
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* Insert a Movino server into DB.
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*
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* @param array $server
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* @return boolean
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*/
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function movino_server_insert($server) {
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// Fallback to defaults.
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$server = array_merge(_movino_server_settings_defaults(), $server);
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if (movino_server_get($server['id'])) {
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drupal_set_message('Server id already exists. Server not created!', 'error');
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return FALSE;
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}
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$query = <<<END
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INSERT INTO {movino_servers} SET
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id = '%s',
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name = '%s',
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description = '%s',
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host = '%s',
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feed_live = %d,
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feed_live_port = %d,
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feed_live_path = '%s',
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feed_live_updated = %d,
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feed_archive = %d,
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feed_archive_port = %d,
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feed_archive_path = '%s',
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feed_archive_updated = %d,
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source_port = %d
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END;
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if ($result = db_query($query,
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$server['id'],
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$server['name'],
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$server['description'],
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$server['host'],
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$server['feed_live'],
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$server['feed_live_port'],
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$server['feed_live_path'],
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$server['feed_live_updated'],
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$server['feed_archive'],
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$server['feed_archive_port'],
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$server['feed_archive_path'],
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$server['feed_archive_updated'],
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$server['source_port'])) {
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// Allow modules to interact when a server has been inserted.
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module_invoke_all('movino_server_insert', $server);
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drupal_set_message('Movino server ' . $server['name'] . ' (' . $server['id'] . ') is added.');
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return TRUE;
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} else {
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drupal_set_message('Unknown error - Movino server ' . $server['name'] . ' (' . $server['id'] . ') not added.', 'error');
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return FALSE;
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}
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}
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/**
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* Update a Movino server already in DB.
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*
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* @param array $server
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* @return boolean
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*/
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function movino_server_update($server) {
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// Fallback to defaults.
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$server = array_merge(_movino_server_settings_defaults(), $server);
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if (!movino_server_get($server['id'])) {
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drupal_set_message('Server id does not exists.', 'error');
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return FALSE;
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}
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$query = <<<END
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UPDATE {movino_servers} SET
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id = '%s',
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name = '%s',
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description = '%s',
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host = '%s',
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feed_live = %d,
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feed_live_port = %d,
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feed_live_path = '%s',
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feed_archive = %d,
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feed_archive_port = %d,
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feed_archive_path = '%s',
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source_port = %d
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WHERE id = '%s'
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END;
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if ($result = db_query($query,
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$server['id'],
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$server['name'],
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$server['description'],
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$server['host'],
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$server['feed_live'],
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$server['feed_live_port'],
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$server['feed_live_path'],
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$server['feed_archive'],
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$server['feed_archive_port'],
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$server['feed_archive_path'],
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$server['source_port'],
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$server['id_old'])) {
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// Allow modules to interact when a server has been updated.
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module_invoke_all('movino_server_update', $server);
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drupal_set_message('Movino server ' . $server['name'] . ' (' . $server['id'] . ') is updated.');
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return TRUE;
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} else {
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drupal_set_message('Unknown error - Movino server ' . $server['name'] . ' (' . $server['id'] . ') not updated.', 'error');
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return FALSE;
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}
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}
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/**
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* Update a Movino server already in DB.
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*
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* @param array $server
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* @return boolean
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*/
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function movino_server_update_feed_age($server_id, $type = 'all') {
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$query = 'UPDATE {movino_servers} SET ';
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if ($type != 'archive') {
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$query .= 'feed_live_updated = ' . time() . ' ';
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}
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if ($type != 'live') {
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$query .= 'feed_archive_updated = ' . time() . ' ';
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}
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$query .= "WHERE id = '%s' ";
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if ($result = db_query($query, $server_id)) {
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if (MOVINO_DEBUG) {
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drupal_set_message('Movino server ' . $server_id . ' - ' . $type . ': feed age is updated.');
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}
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return TRUE;
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} else {
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if (MOVINO_DEBUG) {
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drupal_set_message('Unknown error - Movino server ' . $server_id . ': feed age not updated.', 'error');
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}
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return FALSE;
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}
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}
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/**
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* Delete a Movino server.
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*
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* @param integer $id The id of the server.
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* @return boolean
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*/
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function movino_server_delete($id) {
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$server = movino_server_get($id);
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if ($server != FALSE) {
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$result = db_query("DELETE FROM {movino_servers} WHERE id = '%s' ", $id);
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drupal_set_message('Movino server ' . $server['name'] . ' (' . $server['id'] . ') is deleted.');
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return TRUE;
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}
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drupal_set_message('Server ' . $id . 'does not exist.', 'error');
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return FALSE;
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}
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/**
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* Converts a suggestion to a valid server id
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* (containing lowercase alphanumeric characters and '-')
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*
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* @param string $id
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* @return string
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*/
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function _movino_server_id($id) {
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return strtolower(preg_replace('/[^a-zA-Z0-9-]+/', '-', $string));
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}
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/**
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* The default settings for a Movino server.
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*
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* @return array
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*/
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function _movino_server_settings_defaults() {
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return array(
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'id' => '',
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'name' => '',
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'description' => '',
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'host' => '',
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'feed_live' => 1,
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'feed_live_port' => '24536',
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'feed_live_path' => 'live.xml',
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'feed_live_updated' => 0,
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'feed_archive' => 1,
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'feed_archive_port' => '24536',
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'feed_archive_path' => 'archived.xml',
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'feed_archive_updated' => 0,
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'source_port' => '30710',
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);
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}
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