mirror of
https://github.com/Relintai/pandemonium_engine.git
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124 lines
4.4 KiB
C++
124 lines
4.4 KiB
C++
#ifndef FILE_CACHE_H
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#define FILE_CACHE_H
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/*************************************************************************/
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/* file_cache.h */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "core/containers/hash_map.h"
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#include "core/containers/rb_map.h"
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#include "core/containers/vector.h"
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#include "core/os/os.h"
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#include "core/os/rw_lock.h"
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#include "core/string/ustring.h"
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#include "core/object/reference.h"
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class FileCache : public Reference {
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GDCLASS(FileCache, Reference);
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public:
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enum PathCacheMode {
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PATH_CACHE_MODE_OFF,
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PATH_CACHE_MODE_STATIC,
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//TIMED?
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};
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PathCacheMode get_path_cache_mode() const;
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void set_path_cache_mode(const PathCacheMode p_mode);
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String get_wwwroot();
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void set_wwwroot(const String &val);
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String get_wwwroot_abs();
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int get_cache_invalidation_time();
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void set_cache_invalidation_time(const int &val);
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//Note: file path should be the url you want to access the file with, including lead slash
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//e.g. http://127.0.0.1/a/b/d.jpg -> /a/b/d.jpg
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String wwwroot_get_file_abspath(const String &file_path);
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void wwwroot_register_file(const String &file_path);
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void wwwroot_deregister_file(const String &file_path);
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bool wwwroot_has_file(const String &file_path);
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//return -1 if does not exists
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int wwwroot_get_file_index(const String &file_path);
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String wwwroot_get_file_orig_path(const int index);
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String wwwroot_get_file_orig_path_abs(const int index);
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void wwwroot_refresh_cache();
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void wwwroot_evaluate_dir(const String &path, const bool should_exist = true);
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bool get_cached_body(const String &path, String *body);
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bool has_cached_body(const String &path);
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String get_cached_body_bind(const String &path);
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void set_cached_body(const String &path, const String &body);
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void clear();
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FileCache();
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~FileCache();
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uint64_t cache_invalidation_time;
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protected:
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static void _bind_methods();
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struct CacheEntry {
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uint64_t timestamp;
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String body;
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CacheEntry() {
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timestamp = 0;
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}
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};
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RWLock _body_lock;
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RBMap<String, CacheEntry *> cache_map;
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RWLock _cache_lock;
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PathCacheMode _path_cache_mode;
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String _wwwroot_orig;
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String _wwwroot;
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String _wwwroot_abs;
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struct RegisteredFileEntry {
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String orig_path;
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String lowercase_path;
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};
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Vector<RegisteredFileEntry> _registered_files;
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};
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VARIANT_ENUM_CAST(FileCache::PathCacheMode);
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#endif
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