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Squashed commit of the following:

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commit 39fdd181d95d2c39a3ea1ca330b10a99a92b961f
Author: Evan Prodromou <evan@status.net>
Date:   Mon Nov 29 10:37:49 2010 -0500

    use cache key prefix for router cache key

commit 4cb9e56941922489b83d6425c059cf770991e68f
Author: Evan Prodromou <evan@status.net>
Date:   Mon Nov 29 10:31:21 2010 -0500

    use a unique hashkey based on the software version and loaded plugins

commit 44458b48aef719543e11f83b41fded65cbcb8be9
Author: Evan Prodromou <evan@status.net>
Date:   Sat Nov 27 17:04:15 2010 -0500

    cache the NUM object

commit 809c188307a9b4ada15f3d7fa573a6034341efef
Author: Evan Prodromou <evan@status.net>
Date:   Sat Nov 27 15:44:12 2010 -0500

    accelerate routing by pivoting paths on actions
This commit is contained in:
Evan Prodromou 2010-11-30 09:57:02 -05:00
parent 8161bf0797
commit 02da858cef
1 changed files with 80 additions and 4 deletions
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84
lib/router.php
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@ -33,13 +33,15 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
require_once 'Net/URL/Mapper.php'; require_once 'Net/URL/Mapper.php';
class StatusNet_URL_Mapper extends Net_URL_Mapper { class StatusNet_URL_Mapper extends Net_URL_Mapper
{
private static $_singleton = null; private static $_singleton = null;
private $_actionToPath = array();
private function __construct() private function __construct()
{ {
} }
public static function getInstance($id = '__default__') public static function getInstance($id = '__default__')
{ {
if (empty(self::$_singleton)) { if (empty(self::$_singleton)) {
@ -53,10 +55,47 @@ class StatusNet_URL_Mapper extends Net_URL_Mapper {
$result = null; $result = null;
if (Event::handle('StartConnectPath', array(&$path, &$defaults, &$rules, &$result))) { if (Event::handle('StartConnectPath', array(&$path, &$defaults, &$rules, &$result))) {
$result = parent::connect($path, $defaults, $rules); $result = parent::connect($path, $defaults, $rules);
if (array_key_exists('action', $defaults)) {
$action = $defaults['action'];
} elseif (array_key_exists('action', $rules)) {
$action = $rules['action'];
} else {
$action = null;
}
$this->_mapAction($action, $result);
Event::handle('EndConnectPath', array($path, $defaults, $rules, $result)); Event::handle('EndConnectPath', array($path, $defaults, $rules, $result));
} }
return $result; return $result;
} }
protected function _mapAction($action, $path)
{
if (!array_key_exists($action, $this->_actionToPath)) {
$this->_actionToPath[$action] = array();
}
$this->_actionToPath[$action][] = $path;
return;
}
public function generate($values = array(), $qstring = array(), $anchor = '')
{
if (!array_key_exists('action', $values)) {
return parent::generate($values, $qstring, $anchor);
}
$action = $values['action'];
if (!array_key_exists($action, $this->_actionToPath)) {
return parent::generate($values, $qstring, $anchor);
}
$oldPaths = $this->paths;
$this->paths = $this->_actionToPath[$action];
$result = parent::generate($values, $qstring, $anchor);
$this->paths = $oldPaths;
return $result;
}
} }
/** /**
@ -87,11 +126,48 @@ class Router
function __construct() function __construct()
{ {
if (!$this->m) { if (empty($this->m)) {
$this->m = $this->initialize(); $k = self::cacheKey();
$m = Cache::get($k);
if (!empty($m)) {
$this->m = $m;
} else {
$this->m = $this->initialize();
Cache::set($k, $this->m);
}
} }
} }
/**
* Create a unique hashkey for the router.
*
* The router's url map can change based on the version of the software
* you're running and the plugins that are enabled. To avoid having bad routes
* get stuck in the cache, the key includes a list of plugins and the software
* version.
*
* There can still be problems with a) differences in versions of the plugins and
* b) people running code between official versions, but these tend to be more
* sophisticated users who can grok what's going on and clear their caches.
*
* @return string cache key string that should uniquely identify a router
*/
static function cacheKey()
{
$plugins = StatusNet::getActivePlugins();
$names = array();
foreach ($plugins as $plugin) {
$names[] = $plugin[0];
}
$names = array_unique($names);
asort($names);
return Cache::key('router:'.STATUSNET_VERSION.':'.implode(',', $names));
}
function initialize() function initialize()
{ {
$m = StatusNet_URL_Mapper::getInstance(); $m = StatusNet_URL_Mapper::getInstance();