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1 | <?php |
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2 | |||
3 | /** |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License as published by |
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6 | * the Free Software Foundation; either version 2 of the License, or |
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7 | * (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License along |
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15 | * with this program; if not, write to the Free Software Foundation, Inc., |
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16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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17 | * http://www.gnu.org/copyleft/gpl.html |
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18 | * |
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19 | * @file |
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20 | */ |
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21 | |||
22 | /** |
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23 | * Emit a recent change notification via Redis Pub/Sub |
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24 | * |
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25 | * If the feed URI contains a path component, it will be used to generate a |
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26 | * channel name by stripping the leading slash and replacing any remaining |
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27 | * slashes with '.'. If no path component is present, the channel is set to |
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28 | * 'rc'. If the URI contains a query string, its parameters will be parsed |
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29 | * as RedisConnectionPool options. |
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30 | * |
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31 | * @example |
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32 | * $wgRCFeeds['redis'] = array( |
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33 | * 'formatter' => 'JSONRCFeedFormatter', |
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34 | * 'uri' => "redis://127.0.0.1:6379/rc.$wgDBname", |
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35 | * ); |
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36 | * |
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37 | * @since 1.22 |
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38 | */ |
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39 | class RedisPubSubFeedEngine implements RCFeedEngine { |
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40 | |||
41 | /** |
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42 | * @see RCFeedEngine::send |
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43 | */ |
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44 | public function send( array $feed, $line ) { |
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45 | $parsed = wfParseUrl( $feed['uri'] ); |
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46 | $server = $parsed['host']; |
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47 | $options = [ 'serializer' => 'none' ]; |
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48 | $channel = 'rc'; |
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49 | |||
50 | if ( isset( $parsed['port'] ) ) { |
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51 | $server .= ":{$parsed['port']}"; |
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52 | } |
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53 | if ( isset( $parsed['query'] ) ) { |
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54 | parse_str( $parsed['query'], $options ); |
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55 | } |
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56 | if ( isset( $parsed['pass'] ) ) { |
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57 | $options['password'] = $parsed['pass']; |
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58 | } |
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59 | if ( isset( $parsed['path'] ) ) { |
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60 | $channel = str_replace( '/', '.', ltrim( $parsed['path'], '/' ) ); |
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61 | } |
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62 | $pool = RedisConnectionPool::singleton( $options ); |
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63 | $conn = $pool->getConnection( $server ); |
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64 | if ( $conn !== false ) { |
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65 | $conn->publish( $channel, $line ); |
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66 | return true; |
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67 | } else { |
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68 | return false; |
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69 | } |
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70 | } |
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71 | } |
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72 |
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