- Using APC to store config values (when present)

[friendica.git] / include / config.php

diff --git a/include/config.php b/include/config.php
index af44f6cc2c3f6f01e18d586622b6c2e44d0d4064..4f44de24fc1da801ea753e410cf88a317baba9da 100644 (file)
--- a/include/config.php
+++ b/include/config.php
@@ -18,6 +18,9 @@
 if(! function_exists('load_config')) {
 function load_config($family) {
        global $a;
+
+       // To-Do: How to integrate APC here?
+
        $r = q("SELECT * FROM `config` WHERE `cat` = '%s'", dbesc($family));
        if(count($r)) {
                foreach($r as $rr) {
@@ -67,9 +70,16 @@ function get_config($family, $key, $instore = false) {
        if (function_exists("apc_fetch") AND function_exists("apc_exists"))
                if (apc_exists($family."|".$key)) {
                        $val = apc_fetch($family."|".$key);
+                       //logger("APC: fetched stored value ".$family."|".$key, LOGGER_DEBUG);
                        $a->config[$family][$key] = $val;
-                       return $val;
-               }
+
+                       if ($val === '!<unset>!')
+                               return false;
+                       else
+                               return $val;
+               } else
+                       //logger("APC: cache miss for value ".$family."|".$key, LOGGER_DEBUG);
+
 
        $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
                dbesc($family),
@@ -79,10 +89,19 @@ function get_config($family, $key, $instore = false) {
                // manage array value
                $val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
                $a->config[$family][$key] = $val;
+
+               // If APC is enabled then store the data there
+               if (function_exists("apc_store"))
+                       apc_store($family."|".$key, $val, 600);
+
                return $val;
        }
        else {
                $a->config[$family][$key] = '!<unset>!';
+
+               // If APC is enabled then store the data there
+               if (function_exists("apc_store"))
+                       apc_store($family."|".$key, '!<unset>!', 600);
        }
        return false;
 }}
@@ -181,9 +200,16 @@ function get_pconfig($uid,$family, $key, $instore = false) {
        if (function_exists("apc_fetch") AND function_exists("apc_exists"))
                if (apc_exists($uid."|".$family."|".$key)) {
                        $val = apc_fetch($uid."|".$family."|".$key);
+                       //logger("APC: fetched stored value ".$uid."|".$family."|".$key, LOGGER_DEBUG);
                        $a->config[$uid][$family][$key] = $val;
-                       return $val;
-               }
+
+                       if ($val === '!<unset>!')
+                               return false;
+                       else
+                               return $val;
+               } else
+                       //logger("APC: cache miss for value ".$family."|".$key, LOGGER_DEBUG);
+
 
        $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
                intval($uid),
@@ -194,10 +220,19 @@ function get_pconfig($uid,$family, $key, $instore = false) {
        if(count($ret)) {
                $val = (preg_match("|^a:[0-9]+:{.*}$|s", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
                $a->config[$uid][$family][$key] = $val;
+
+               // If APC is enabled then store the data there
+               if (function_exists("apc_store"))
+                       apc_store($uid."|".$family."|".$key, $val, 600);
+
                return $val;
        }
        else {
                $a->config[$uid][$family][$key] = '!<unset>!';
+
+               // If APC is enabled then store the data there
+               if (function_exists("apc_store"))
+                       apc_store($uid."|".$family."|".$key, '!<unset>!', 600);
        }
        return false;
 }}