122 lines
3.4 KiB
PHP
122 lines
3.4 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
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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 Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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/**
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* Base class for queue handlers.
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*
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* As extensions of the Daemon class, each queue handler has the ability
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* to launch itself in the background, at which point it'll pass control
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* to the configured QueueManager class to poll for updates.
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*
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* Subclasses must override at least the following methods:
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* - transport
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* - handle_notice
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*/
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class DistribQueueHandler
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{
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/**
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* Return transport keyword which identifies items this queue handler
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* services; must be defined for all subclasses.
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*
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* Must be 8 characters or less to fit in the queue_item database.
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* ex "email", "jabber", "sms", "irc", ...
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*
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* @return string
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*/
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function transport()
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{
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return 'distrib';
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}
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/**
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* Here's the meat of your queue handler -- you're handed a Notice
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* object, which you may do as you will with.
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*
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* If this function indicates failure, a warning will be logged
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* and the item is placed back in the queue to be re-run.
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*
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* @param Notice $notice
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* @return boolean true on success, false on failure
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*/
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function handle($notice)
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{
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// XXX: do we need to change this for remote users?
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try {
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$notice->saveTags();
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} catch (Exception $e) {
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$this->logit($notice, $e);
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}
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try {
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$groups = $notice->saveGroups();
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} catch (Exception $e) {
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$this->logit($notice, $e);
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}
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try {
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$recipients = $notice->getReplies();
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} catch (Exception $e) {
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$this->logit($notice, $e);
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}
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try {
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$notice->addToInboxes($groups, $recipients);
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} catch (Exception $e) {
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$this->logit($notice, $e);
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}
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try {
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$notice->saveUrls();
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} catch (Exception $e) {
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$this->logit($notice, $e);
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}
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try {
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Event::handle('EndNoticeSave', array($notice));
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// Enqueue for other handlers
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} catch (Exception $e) {
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$this->logit($notice, $e);
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}
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try {
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common_enqueue_notice($notice);
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} catch (Exception $e) {
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$this->logit($notice, $e);
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}
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return true;
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}
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protected function logit($notice, $e)
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{
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common_log(LOG_ERR, "Distrib queue exception saving notice $notice->id: " .
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$e->getMessage() . ' ' .
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str_replace("\n", " ", $e->getTraceAsString()));
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// We'll still return true so we don't get stuck in a loop
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// trying to run a bad insert over and over...
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}
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}
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