alpha version of cache debug information

2026-03-22 10:24:14 +00:00 · 2026-02-02 11:39:51 +01:00
parent 937f09eae7
commit 4d23c75781
4 changed files with 367 additions and 0 deletions
--- a/application/controllers/Debug.php
+++ b/application/controllers/Debug.php
@@ -105,6 +105,9 @@ class Debug extends CI_Controller
 			$data['userdata_status'] = $userdata_status;
 		}

+		// Cache Info
+		$data['cache_info'] = $this->debug_model->get_cache_info();
+
 		$data['dxcc_update'] = $this->cron_model->cron('update_dxcc')->row();
 		$data['dok_update'] = $this->cron_model->cron('update_update_dok')->row();
 		$data['lotw_user_update'] = $this->cron_model->cron('update_lotw_users')->row();
@@ -288,6 +291,22 @@ class Debug extends CI_Controller
 		echo json_encode($commit_hash);
 	}

+	public function clear_cache() {
+		$this->load->model('user_model');
+		if ($this->user_model->authorize(2) == false) {
+			header('Content-Type: application/json');
+			echo json_encode(['status' => false, 'message' => __("You're not allowed to do that!")]);
+			return;
+		}
+
+		$this->load->model('Debug_model');
+		$status = $this->Debug_model->clear_cache();
+
+		header('Content-Type: application/json');
+		echo json_encode(['status' => (bool) $status]);
+		return;
+	}
+
 	public function migrate_userdata() {
 		// Check if users logged in
 		$this->load->model('user_model');
--- a/application/models/Debug_model.php
+++ b/application/models/Debug_model.php
@@ -185,4 +185,261 @@ class Debug_model extends CI_Model
 		$result = $query->result_array();
 		return $result;
    }
+
+    function get_cache_info() {
+
+        $response = [];
+
+        $cache_path = $this->config->item('cache_path') ?? NULL;
+        if (!$cache_path && $cache_path !== '') {
+            $cache_path = ''; // default path is application/cache
+            $response['config']['cache_path'] = sprintf(__(" %s not set in config, using default path: %s"), "'cache_path'", "application/cache");
+        } else {
+            $response['config']['cache_path'] = $cache_path;
+        }
+
+        $cache_adapter = $this->config->item('cache_adapter') ?? NULL;
+        if (!$cache_adapter) {
+            $cache_adapter = 'file'; // default adapter is file
+            $response['config']['cache_adapter'] = sprintf(__(" %s not set in config, using default adapter: %s"), "'cache_adapter'", "file");
+        } else {
+            $response['config']['cache_adapter'] = $cache_adapter;
+        }
+
+        $cache_backup = $this->config->item('cache_backup') ?? NULL;
+        if (!$cache_backup) {
+            $cache_backup = 'file'; // default backup is file
+            $response['config']['cache_backup'] = sprintf(__(" %s not set in config, using default backup: %s"), "'cache_backup'", "file");
+        } else {
+            $response['config']['cache_backup'] = $cache_backup;
+        }
+
+        $cache_key_prefix = $this->config->item('cache_key_prefix') ?? NULL;
+        if (!$cache_key_prefix) {
+            $cache_key_prefix = ''; // default key prefix is empty
+            $response['config']['cache_key_prefix'] = sprintf(__(" %s not set in config, using default: empty string %s"), "'cache_key_prefix'", "('')");
+        } else {
+            $response['config']['cache_key_prefix'] = $cache_key_prefix;
+        }
+
+        // Load cache driver
+		$this->load->driver('cache', [
+			'adapter' => $cache_adapter, 
+			'backup' => $cache_backup,
+			'key_prefix' => $cache_key_prefix
+		]);
+
+        // Get cache details
+        $cache_size = $this->get_cache_size();
+        $cache_keys_count = $this->get_cache_keys_count();
+        
+        $response['details']['size'] = $this->format_bytes($cache_size);
+        $response['details']['size_bytes'] = $cache_size;
+        $response['details']['keys_count'] = $cache_keys_count;
+
+        $available_adapters = ['file', 'redis', 'memcached', 'apcu'];
+        foreach ($available_adapters as $adapter) {
+            $response['adapters'][$adapter] = $this->cache->is_supported($adapter);
+        }
+
+        return $response;
+    }
+
+    public function clear_cache() {
+        $cache_adapter = $this->config->item('cache_adapter') ?? 'file';
+        $cache_backup = $this->config->item('cache_backup') ?? 'file';
+        $cache_key_prefix = $this->config->item('cache_key_prefix') ?? '';
+
+		$this->load->driver('cache', [
+			'adapter' => $cache_adapter,
+			'backup' => $cache_backup,
+			'key_prefix' => $cache_key_prefix
+		]);
+
+        if ($cache_adapter === 'file') {
+            $cache_path = $this->config->item('cache_path') ?: 'application/cache';
+            $cache_path = realpath(APPPATH . '../') . '/' . $cache_path;
+
+            if (!is_dir($cache_path)) {
+                return false;
+            }
+
+            $files = new RecursiveIteratorIterator(
+                new RecursiveDirectoryIterator($cache_path, RecursiveDirectoryIterator::SKIP_DOTS),
+                RecursiveIteratorIterator::CHILD_FIRST
+            );
+
+            foreach ($files as $file) {
+                if ($file->isFile() && !in_array($file->getFilename(), ['index.html', '.htaccess'])) {
+                    @unlink($file->getRealPath());
+                }
+            }
+
+            return true;
+        }
+
+        if (method_exists($this->cache, 'clean')) {
+            return $this->cache->clean();
+        }
+
+        return false;
+    }
+
+    function get_cache_size($adapter = NULL) {
+        $cache_adapter = $adapter ?? ($this->config->item('cache_adapter') ?? 'file');
+
+        switch ($cache_adapter) {
+            case 'file':
+                $cache_path = $this->config->item('cache_path') ?: 'application/cache';
+                $cache_path = realpath(APPPATH . '../') . '/' . $cache_path;
+                
+                if (!is_dir($cache_path)) {
+                    return 0;
+                }
+
+                $size = 0;
+                $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($cache_path, RecursiveDirectoryIterator::SKIP_DOTS), RecursiveIteratorIterator::CHILD_FIRST);
+                
+                foreach ($files as $file) {
+                    if ($file->isFile() && !in_array($file->getFilename(), ['index.html', '.htaccess'])) {
+                        $size += $file->getSize();
+                    }
+                }
+                
+                return $size;
+
+            case 'redis':
+                if ($this->cache->is_supported('redis')) {
+                    $redis_info = $this->cache->cache_info('redis');
+                    // Note: This returns total Redis server memory usage, not just cache keys with prefix
+                    // used_memory_dataset excludes overhead and is more accurate for data size
+                    if (isset($redis_info['used_memory_dataset'])) {
+                        return (int)$redis_info['used_memory_dataset'];
+                    }
+                    return isset($redis_info['used_memory']) ? (int)$redis_info['used_memory'] : 0;
+                }
+                return 0;
+
+            case 'memcached':
+                if ($this->cache->is_supported('memcached')) {
+                    $memcached_info = $this->cache->cache_info('memcached');
+                    log_message('debug', 'Memcached Info: ' . print_r($memcached_info, true));
+                    
+                    // Memcached returns array of servers, each with stats
+                    if (is_array($memcached_info)) {
+                        $total_bytes = 0;
+                        foreach ($memcached_info as $server_stats) {
+                            if (is_array($server_stats)) {
+                                // bytes is the current bytes used in the cache
+                                if (isset($server_stats['bytes'])) {
+                                    $total_bytes += (int) $server_stats['bytes'];
+                                }
+                            }
+                        }
+                        return $total_bytes;
+                    }
+                    
+                    // Fallback for single server format
+                    if (isset($memcached_info['bytes'])) {
+                        return (int) $memcached_info['bytes'];
+                    }
+                    
+                    return 0;
+                }
+                return 0;
+
+            case 'apcu':
+                if ($this->cache->is_supported('apcu')) {
+                    $apcu_info = apcu_cache_info();
+                    return isset($apcu_info['mem_size']) ? (int)$apcu_info['mem_size'] : 0;
+                }
+                return 0;
+
+            default:
+                return 0;
+        }
+    }
+
+    function get_cache_keys_count($adapter = NULL) {
+        $cache_adapter = $adapter ?? ($this->config->item('cache_adapter') ?? 'file');
+
+        switch ($cache_adapter) {
+            case 'file':
+                $cache_path = $this->config->item('cache_path') ?: 'application/cache';
+                $cache_path = realpath(APPPATH . '../') . '/' . $cache_path;
+                
+                if (!is_dir($cache_path)) {
+                    return 0;
+                }
+
+                $count = 0;
+                $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($cache_path, RecursiveDirectoryIterator::SKIP_DOTS), RecursiveIteratorIterator::CHILD_FIRST);
+                
+                foreach ($files as $file) {
+                    if ($file->isFile() && !in_array($file->getFilename(), ['index.html', '.htaccess'])) {
+                        $count++;
+                    }
+                }
+                
+                return $count;
+
+            case 'redis':
+                if ($this->cache->is_supported('redis')) {
+                    $redis_info = $this->cache->cache_info('redis');
+                    $total_keys = 0;
+                    // Parse keyspace info (db0, db1, etc.)
+                    foreach ($redis_info as $key => $value) {
+                        if (preg_match('/^db(\d+)$/', $key) && is_string($value)) {
+                            // Parse "keys=4,expires=4,avg_ttl=43131246" format
+                            if (preg_match('/keys=(\d+)/', $value, $matches)) {
+                                $total_keys += (int)$matches[1];
+                            }
+                        }
+                    }
+                    return $total_keys;
+                }
+                return 0;
+
+            case 'memcached':
+                if ($this->cache->is_supported('memcached')) {
+                    $memcached_info = $this->cache->cache_info('memcached');
+                    if (isset($memcached_info['curr_items'])) {
+                        return (int) $memcached_info['curr_items'];
+                    }
+
+                    if (is_array($memcached_info)) {
+                        $total_items = 0;
+                        foreach ($memcached_info as $server_stats) {
+                            if (is_array($server_stats) && isset($server_stats['curr_items'])) {
+                                $total_items += (int) $server_stats['curr_items'];
+                            }
+                        }
+                        return $total_items;
+                    }
+                    return 0;
+                }
+                return 0;
+
+            case 'apcu':
+                if ($this->cache->is_supported('apcu')) {
+                    $apcu_info = apcu_cache_info();
+                    return isset($apcu_info['num_entries']) ? (int)$apcu_info['num_entries'] : 0;
+                }
+                return 0;
+
+            default:
+                return 0;
+        }
+        
+    }
+
+    function format_bytes($bytes, $precision = 2) {
+        $units = ['B', 'KB', 'MB', 'GB'];
+        $bytes = max($bytes, 0);
+        $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
+        $pow = min($pow, count($units) - 1);
+        $bytes /= (1 << (10 * $pow));
+
+        return round($bytes, $precision) . ' ' . $units[$pow];
+    }
 }
--- a/application/views/debug/index.php
+++ b/application/views/debug/index.php
@@ -399,6 +399,74 @@
                    </div>
                </div>
            </div>
+            <!-- Cache Information Card -->
+            <div class="card">
+                <div class="card-header"><?= __("Cache Configuration"); ?></div>
+                <div class="card-body">
+                    <div class="row">
+                        <div class="col-md-6">
+                            <p><u><?= __("Current Configuration"); ?></u></p>
+                            <table width="100%" class="table table-sm table-striped">
+                                <tr>
+                                    <td><strong><?= __("Adapter"); ?></strong></td>
+                                    <td>
+                                        <span class="badge text-bg-info"><?php echo ucfirst($cache_info['config']['cache_adapter'] ?? 'file'); ?></span>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td><strong><?= __("Backup"); ?></strong></td>
+                                    <td>
+                                        <span class="badge text-bg-secondary"><?php echo ucfirst($cache_info['config']['cache_backup'] ?? 'file'); ?></span>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td><strong><?= __("Path"); ?></strong></td>
+                                    <td><code><?php echo $cache_info['config']['cache_path'] ?: 'application/cache'; ?></code></td>
+                                </tr>
+                                <tr>
+                                    <td><strong><?= __("Key Prefix"); ?></strong></td>
+                                    <td><code><?php echo $cache_info['config']['cache_key_prefix'] ?: __("(empty)"); ?></code></td>
+                                </tr>
+                            </table>
+                        </div>
+                        <div class="col-md-6">
+                            <p><u><?= __("Cache Details"); ?></u></p>
+                            <table width="100%" class="table table-sm table-striped">
+                                <tr>
+                                    <td><strong><?= __("Total Size"); ?></strong></td>
+                                    <td>
+                                        <span class="badge text-bg-primary"><?php echo $cache_info['details']['size'] ?? '0 B'; ?></span>
+                                    </td>
+                                </tr>
+                                <tr>
+                                    <td><strong><?= __("Number of Keys"); ?></strong></td>
+                                    <td>
+                                        <span class="badge text-bg-primary"><?php echo $cache_info['details']['keys_count'] ?? '0'; ?></span>
+                                    </td>
+                                </tr>
+                            </table>
+                        </div>
+                    </div>
+                    <div class="d-flex justify-content-end">
+                        <button type="button" id="clear_cache_button" class="btn btn-sm btn-danger">
+                            <?= __("Clear Cache"); ?>
+                        </button>
+                    </div>
+                    <div class="border-top pt-3 mt-3">
+                        <p><u><?= __("Available Adapters"); ?></u></p>
+                        <div>
+                            <?php foreach ($cache_info['adapters'] as $adapter => $supported) { ?>
+                                <?php if ($supported) { ?>
+                                    <span class="badge text-bg-success"><?php echo ucfirst($adapter); ?></span>
+                                <?php } else { ?>
+                                    <span class="badge text-bg-danger"><?php echo ucfirst($adapter); ?></span>
+                                <?php } ?>
+                            <?php } ?>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            <!-- HIER -->
            <?php if (file_exists(realpath(APPPATH . '../') . '/.git') && function_usable('exec')) { ?>
                <?php
                //Below is a failsafe where git commands fail
--- a/assets/js/sections/debug.js
+++ b/assets/js/sections/debug.js
@@ -101,3 +101,26 @@ function update_version_check(local_branch) {
 		$('#last_version_check').text("Last version check: " + new Date(timestamp).toUTCString());
 	});
 }
+
+$(document).ready(function () {
+	$('#clear_cache_button').on('click', function () {
+		if (!confirm('Cache wirklich löschen?')) {
+			return;
+		}
+
+		$.ajax({
+			url: base_url + 'index.php/debug/clear_cache',
+			type: 'post',
+			success: function (resu) {
+				if (resu && resu.status) {
+					location.reload();
+				} else {
+					alert('Cache konnte nicht geleert werden.');
+				}
+			},
+			error: function () {
+				alert('Cache konnte nicht geleert werden.');
+			}
+		});
+	});
+});