gnu-social/classes/Status_network.php

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<?php
/**
* Table Definition for status_network
*
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* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
class Status_network extends Safe_DataObject
{
###START_AUTOCODE
/* the code below is auto generated do not remove the above tag */
public $__table = 'status_network'; // table name
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public $site_id; // int(4) primary_key not_null
public $nickname; // varchar(64) unique_key not_null
public $hostname; // varchar(255) unique_key
public $pathname; // varchar(255) unique_key
public $dbhost; // varchar(255)
public $dbuser; // varchar(255)
public $dbpass; // varchar(255)
public $dbname; // varchar(255)
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public $sitename; // varchar(255)
public $theme; // varchar(255)
public $logo; // varchar(255)
public $created; // datetime() not_null
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
/* Static get */
static function getKV($k,$v=NULL) {
// TODO: This must probably be turned into a non-static call
$i = DB_DataObject::staticGet('Status_network',$k,$v);
// Don't use local process cache; if we're fetching multiple
// times it's because we're reloading it in a long-running
// process; we need a fresh copy!
global $_DB_DATAOBJECT;
unset($_DB_DATAOBJECT['CACHE']['status_network']);
return $i;
}
/* the code above is auto generated do not remove the tag below */
###END_AUTOCODE
// XXX: made public so Status_network_tag can eff with it
public static $cache = null;
public static $cacheInitialized = false;
static $base = null;
static $wildcard = null;
Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work
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/**
* @param string $dbhost
* @param string $dbuser
* @param string $dbpass
* @param string $dbname
* @param array $servers memcached servers to use for caching config info
*/
static function setupDB($dbhost, $dbuser, $dbpass, $dbname, array $servers)
{
global $config;
$config['db']['database_'.$dbname] = "mysqli://$dbuser:$dbpass@$dbhost/$dbname";
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$config['db']['ini_'.$dbname] = INSTALLDIR.'/classes/status_network.ini';
foreach (array('status_network', 'status_network_tag', 'unavailable_status_network') as $table) {
$config['db']['table_'.$table] = $dbname;
}
if (class_exists('Memcache')) {
self::$cache = new Memcache();
// If we're a parent command-line process we need
// to be able to close out the connection after
// forking, so disable persistence.
Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work
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//
// We'll turn it back on again the second time
// through which will either be in a child process,
// or a single-process script which is switching
// configurations.
$persist = php_sapi_name() != 'cli' || self::$cacheInitialized;
if (!is_array($servers)) {
$servers = array($servers);
}
foreach($servers as $server) {
$parts = explode(':', $server);
$server = $parts[0];
if (count($parts) > 1) {
$port = $parts[1];
} else {
$port = 11211;
}
self::$cache->addServer($server, $port, $persist);
}
self::$cacheInitialized = true;
}
self::$base = $dbname;
}
static function cacheKey($k, $v) {
return 'statusnet:' . self::$base . ':status_network:'.$k.':'.$v;
}
static function memGet($k, $v)
{
if (!self::$cache) {
return self::getKV($k, $v);
}
$ck = self::cacheKey($k, $v);
$sn = self::$cache->get($ck);
if (empty($sn)) {
$sn = self::getKV($k, $v);
if (!empty($sn)) {
Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work
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self::$cache->set($ck, clone($sn));
}
}
return $sn;
}
function decache()
{
if (self::$cache) {
$keys = array('nickname', 'hostname', 'pathname');
foreach ($keys as $k) {
$ck = self::cacheKey($k, $this->$k);
self::$cache->delete($ck);
}
}
}
function update($dataObject=false)
{
if (is_object($dataObject)) {
$dataObject->decache(); # might be different keys
}
return parent::update($dataObject);
}
/**
* DB_DataObject doesn't allow updating keys (even non-primary)
*/
function updateKeys(&$orig)
{
$this->_connect();
foreach (array('hostname', 'pathname') as $k) {
if (strcmp($this->$k, $orig->$k) != 0) {
$parts[] = $k . ' = ' . $this->_quote($this->$k);
}
}
if (count($parts) == 0) {
// No changes
return true;
}
$toupdate = implode(', ', $parts);
$table = common_database_tablename($this->tableName());
$qry = 'UPDATE ' . $table . ' SET ' . $toupdate .
' WHERE nickname = ' . $this->_quote($this->nickname);
$orig->decache();
$result = $this->query($qry);
$this->decache();
return $result;
}
function delete()
{
$this->decache(); # while we still have the values!
return parent::delete();
}
Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work
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/**
* @param string $servername hostname
* @param string $wildcard hostname suffix to match wildcard config
* @return mixed Status_network or null
Major refactoring of queue handlers to support running multiple sites in one daemon. Key changes: * Initialization code moved from common.php to StatusNet class; can now switch configurations during runtime. * As a consequence, configuration files must now be idempotent... Be careful with constant, function or class definitions. * Control structure for daemons/QueueManager/QueueHandler has been refactored; the run loop is now managed by IoMaster run via scripts/queuedaemon.php IoManager subclasses are woken to handle socket input or polling, and may cover multiple sites. * Plugins can implement notice queue handlers more easily by registering a QueueHandler class; no more need to add a daemon. The new QueueDaemon runs from scripts/queuedaemon.php: * This replaces most of the old *handler.php scripts; they've been refactored to the bare handler classes. * Spawns multiple child processes to spread load; defaults to CPU count on Linux and Mac OS X systems, or override with --threads=N * When multithreaded, child processes are automatically respawned on failure. * Threads gracefully shut down and restart when passing a soft memory limit (defaults to 90% of memory_limit), limiting damage from memory leaks. * Support for UDP-based monitoring: http://www.gitorious.org/snqmon Rough control flow diagram: QueueDaemon -> IoMaster -> IoManager QueueManager [listen or poll] -> QueueHandler XmppManager [ping & keepalive] XmppConfirmManager [poll updates] Todo: * Respawning features not currently available running single-threaded. * When running single-site, configuration changes aren't picked up. * New sites or config changes affecting queue subscriptions are not yet handled without a daemon restart. * SNMP monitoring output to integrate with general tools (nagios, ganglia) * Convert XMPP confirmation message sends to use stomp queue instead of polling * Convert xmppdaemon.php to IoManager? * Convert Twitter status, friends import polling daemons to IoManager * Clean up some error reporting and failure modes * May need to adjust queue priorities for best perf in backlog/flood cases Detailed code history available in my daemon-work branch: http://www.gitorious.org/~brion/statusnet/brion-fixes/commits/daemon-work
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*/
static function getFromHostname($servername, $wildcard)
{
$sn = null;
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if (0 == strncasecmp(strrev($wildcard), strrev($servername), strlen($wildcard))) {
// special case for exact match
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if (0 == strcasecmp($servername, $wildcard)) {
$sn = self::memGet('nickname', '');
} else {
$parts = explode('.', $servername);
$sn = self::memGet('nickname', strtolower($parts[0]));
}
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} else {
$sn = self::memGet('hostname', strtolower($servername));
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if (empty($sn)) {
// Try for a no-www address
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if (0 == strncasecmp($servername, 'www.', 4)) {
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$sn = self::memGet('hostname', strtolower(substr($servername, 4)));
}
}
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}
return $sn;
}
/**
* @param string $servername hostname
* @param string $pathname URL base path
* @param string $wildcard hostname suffix to match wildcard config
*/
static function setupSite($servername, $pathname, $wildcard)
{
global $config;
$sn = null;
// XXX I18N, probably not crucial for hostnames
// XXX This probably needs a tune up
$sn = self::getFromHostname($servername, $wildcard);
if (!empty($sn)) {
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// Redirect to the right URL
if (!empty($sn->hostname) &&
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empty($_SERVER['HTTPS']) &&
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0 != strcasecmp($sn->hostname, $servername)) {
$sn->redirectTo('http://'.$sn->hostname.$_SERVER['REQUEST_URI']);
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} else if (!empty($_SERVER['HTTPS']) &&
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0 != strcasecmp($sn->hostname, $servername) &&
0 != strcasecmp($sn->nickname.'.'.$wildcard, $servername)) {
$sn->redirectTo('https://'.$sn->nickname.'.'.$wildcard.$_SERVER['REQUEST_URI']);
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}
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$dbhost = (empty($sn->dbhost)) ? 'localhost' : $sn->dbhost;
$dbuser = (empty($sn->dbuser)) ? $sn->nickname : $sn->dbuser;
$dbpass = $sn->dbpass;
$dbname = (empty($sn->dbname)) ? $sn->nickname : $sn->dbname;
$config['db']['database'] = "mysqli://$dbuser:$dbpass@$dbhost/$dbname";
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$config['site']['name'] = $sn->sitename;
$config['site']['nickname'] = $sn->nickname;
self::$wildcard = $wildcard;
$config['site']['wildcard'] =& self::$wildcard;
if (!empty($sn->hostname)) {
$config['site']['server'] = $sn->hostname;
}
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if (!empty($sn->theme)) {
$config['site']['theme'] = $sn->theme;
}
if (!empty($sn->logo)) {
$config['site']['logo'] = $sn->logo;
}
return $sn;
} else {
return null;
}
}
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// Code partially mooked from http://www.richler.de/en/php-redirect/
// (C) 2006 by Heiko Richler http://www.richler.de/
// LGPL
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function redirectTo($destination)
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{
$old = 'http'.
(($_SERVER['HTTPS'] == 'on') ? 'S' : '').
'://'.
$_SERVER['HTTP_HOST'].
$_SERVER['REQUEST_URI'].
$_SERVER['QUERY_STRING'];
if ($old == $destination) { // this would be a loop!
// error_log(...) ?
return false;
}
header('HTTP/1.1 301 Moved Permanently');
header("Location: $destination");
print "<a href='$destination'>$destination</a>\n";
exit;
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}
function getServerName()
{
if (!empty($this->hostname)) {
return $this->hostname;
} else {
return $this->nickname . '.' . self::$wildcard;
}
}
/**
* Return site meta-info tags as an array
* @return array of strings
*/
function getTags()
{
return Status_network_tag::getTags($this->site_id);
}
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/**
* Save a given set of tags
* @param array tags
* @fixme only add/remove differentials
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*/
function setTags(array $tags)
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{
$this->clearTags();
foreach ($tags as $tag) {
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if (!empty($tag)) {
$snt = new Status_network_tag();
$snt->site_id = $this->site_id;
$snt->tag = $tag;
$snt->created = common_sql_now();
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$id = $snt->insert();
if (!$id) {
// TRANS: Exception thrown when a tag cannot be saved.
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throw new Exception(_("Unable to save tag."));
}
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}
}
return true;
}
function clearTags()
{
$tag = new Status_network_tag();
$tag->site_id = $this->site_id;
if ($tag->find()) {
while($tag->fetch()) {
$tag->delete();
}
}
$tag->free();
}
/**
* Check if this site record has a particular meta-info tag attached.
* @param string $tag
* @return bool
*/
function hasTag($tag)
{
return in_array($tag, $this->getTags());
}
}