From 39be89ba4945238f6311454283a66930b94577be Mon Sep 17 00:00:00 2001
From: Michael Foster <savetheinternet@tinyboard.org>
Date: Mon, 23 Sep 2013 10:11:16 +1000
Subject: [PATCH] ?/debug/apc

---
 inc/config.php               |  2 ++
 inc/mod/pages.php            | 13 +++++++++++++
 mod.php                      |  1 +
 templates/mod/debug/apc.html | 23 +++++++++++++++++++++++
 4 files changed, 39 insertions(+)
 create mode 100644 templates/mod/debug/apc.html

diff --git a/inc/config.php b/inc/config.php
index 5105c25f..9ca4cfeb 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -1340,6 +1340,8 @@
 	$config['mod']['news_delete'] = ADMIN;
 	// Execute un-filtered SQL queries on the database (?/debug/sql)
 	$config['mod']['debug_sql'] = DISABLED;
+	// Look through all cache values for debugging when APC is enabled (?/debug/apc)
+	$config['mod']['debug_apc'] = ADMIN;
 	// Edit the current configuration (via web interface)
 	$config['mod']['edit_config'] = ADMIN;
 	// View ban appeals
diff --git a/inc/mod/pages.php b/inc/mod/pages.php
index bae00a0f..4346cf94 100644
--- a/inc/mod/pages.php
+++ b/inc/mod/pages.php
@@ -2354,3 +2354,16 @@ function mod_debug_sql() {
 	mod_page(_('Debug: SQL'), 'mod/debug/sql.html', $args);
 }
 
+function mod_debug_apc() {
+	global $config;
+	
+	if (!hasPermission($config['mod']['debug_apc']))
+		error($config['error']['noaccess']);
+	
+	if ($config['cache']['enabled'] != 'apc')
+		error('APC is not enabled.');
+	
+	$cached_vars = new APCIterator('user', '/^' . $config['cache']['prefix'] . '/');
+	
+	mod_page(_('Debug: APC'), 'mod/debug/apc.html', array('cached_vars' => $cached_vars));
+}
diff --git a/mod.php b/mod.php
index ca6d971e..cf6423ed 100644
--- a/mod.php
+++ b/mod.php
@@ -89,6 +89,7 @@ $pages = array(
 	// these pages aren't listed in the dashboard without $config['debug']
 	'/debug/antispam'			=> 'debug_antispam',
 	'/debug/recent'				=> 'debug_recent_posts',
+	'/debug/apc'				=> 'debug_apc',
 	'/debug/sql'				=> 'secure_POST debug_sql',
 	
 	// This should always be at the end:
diff --git a/templates/mod/debug/apc.html b/templates/mod/debug/apc.html
new file mode 100644
index 00000000..53f59eb0
--- /dev/null
+++ b/templates/mod/debug/apc.html
@@ -0,0 +1,23 @@
+<table class="modlog">
+	<tr>
+		<th class="minimal">Key</th>
+		<th class="minimal">Hits</th>
+		<th class="minimal">Created</th>
+		<th class="minimal">Expires</th>
+		<th class="minimal">Size</th>
+		<th>Value</th>
+	</tr>
+	{% for var in cached_vars %}
+		<tr>
+			<td class="minimal">{{ var.key }}</td>
+			<td class="minimal">{{ var.num_hits }}</td>
+			<td class="minimal">{{ var.creation_time|ago }} ago</td>
+			<td class="minimal">{{ (var.creation_time + var.ttl)|until }} (ttl: {{ var.ttl }}s)</td>
+			<td class="minimal">{{ var.mem_size }} bytes</td>
+			<td style="word-wrap:break-word">
+				{% set value = var.value|json_encode %}
+				<code>{{ value[:80]|e('html') }}{% if value|length > 80 %}&hellip;{% endif %}</code>
+			</td>
+		</tr>
+	{% endfor %}
+</table>
\ No newline at end of file