mirror of
https://github.com/Relintai/pandemonium_engine.git
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299 lines
8.9 KiB
C++
299 lines
8.9 KiB
C++
/*************************************************************************/
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/* file_cache.cpp */
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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 "file_cache.h"
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#include "core/config/project_settings.h"
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#include "core/os/dir_access.h"
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#include "core/os/file_access.h"
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#include "core/os/os.h"
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#include "core/string/print_string.h"
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String FileCache::get_wwwroot() {
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return _wwwroot_orig;
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}
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void FileCache::set_wwwroot(const String &val) {
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_wwwroot_orig = val;
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}
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String FileCache::get_wwwroot_abs() {
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return _wwwroot;
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}
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int FileCache::get_cache_invalidation_time() {
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return static_cast<int>(cache_invalidation_time);
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}
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void FileCache::set_cache_invalidation_time(const int &val) {
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cache_invalidation_time = static_cast<uint64_t>(val);
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}
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void FileCache::wwwroot_register_file(const String &file_path) {
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RegisteredFileEntry e;
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e.orig_path = file_path;
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e.lowercase_path = file_path.to_lower();
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_registered_files.push_back(e);
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}
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void FileCache::wwwroot_deregister_file(const String &file_path) {
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for (int i = 0; i < _registered_files.size(); ++i) {
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const RegisteredFileEntry &e = _registered_files[i];
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if (file_path == e.orig_path) {
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_registered_files.remove(i);
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return;
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}
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}
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}
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bool FileCache::wwwroot_has_file(const String &file_path) {
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//return registered_files.has(file_path);
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for (int i = 0; i < _registered_files.size(); ++i) {
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const RegisteredFileEntry &e = _registered_files[i];
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if (file_path == e.lowercase_path) {
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return true;
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}
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}
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return false;
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}
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int FileCache::wwwroot_get_file_index(const String &file_path) {
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for (int i = 0; i < _registered_files.size(); ++i) {
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const RegisteredFileEntry &e = _registered_files[i];
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if (file_path == e.lowercase_path) {
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return i;
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}
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}
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return -1;
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}
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String FileCache::wwwroot_get_file_orig_path(const int index) {
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ERR_FAIL_INDEX_V(index, _registered_files.size(), "");
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return _registered_files[index].orig_path;
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}
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String FileCache::wwwroot_get_file_orig_path_abs(const int index) {
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return get_wwwroot_abs() + wwwroot_get_file_orig_path(index);
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}
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void FileCache::wwwroot_refresh_cache() {
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_lock.write_lock();
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_registered_files.clear();
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if (_wwwroot_orig != "") {
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_wwwroot = _wwwroot_orig; //DirAccess::get_filesystem_abspath_for(_wwwroot_orig);
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_wwwroot = _wwwroot.path_clean_end_slash();
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wwwroot_evaluate_dir(_wwwroot);
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}
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_lock.write_unlock();
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}
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void FileCache::wwwroot_evaluate_dir(const String &path, const bool should_exist) {
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DirAccess *da = DirAccess::open(path);
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ERR_FAIL_COND_MSG(!da, "Error opening wwwroot! folder: " + path);
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da->list_dir_begin();
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String f = da->get_next();
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while (f != String()) {
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if (f == "." || f == "..") {
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f = da->get_next();
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continue;
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}
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if (!da->current_is_dir()) {
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String np = path + "/" + f;
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np = np.substr(_wwwroot.size() - 1, np.size() - _wwwroot.size());
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wwwroot_register_file(np);
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} else {
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wwwroot_evaluate_dir(path + "/" + f);
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}
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f = da->get_next();
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}
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da->list_dir_end();
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memdelete(da);
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}
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bool FileCache::get_cached_body(const String &path, String *body) {
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//TODO ERROR MACRO body == null
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_lock.read_lock();
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CacheEntry *e = cache_map[path];
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_lock.read_unlock();
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if (!e) {
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return false;
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}
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if (cache_invalidation_time > 0) {
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uint64_t current_timestamp = OS::get_singleton()->get_unix_time();
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uint64_t diff = current_timestamp - e->timestamp;
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if (diff > cache_invalidation_time) {
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return false;
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}
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}
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body->operator+=(e->body);
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return true;
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}
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bool FileCache::has_cached_body(const String &path) {
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//TODO ERROR MACRO body == null
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_lock.read_lock();
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CacheEntry *e = cache_map[path];
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_lock.read_unlock();
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if (!e) {
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return false;
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}
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if (cache_invalidation_time > 0) {
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uint64_t current_timestamp = OS::get_singleton()->get_unix_time();
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uint64_t diff = current_timestamp - e->timestamp;
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if (diff > cache_invalidation_time) {
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return false;
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}
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}
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return true;
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}
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String FileCache::get_cached_body_bind(const String &path) {
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//TODO ERROR MACRO body == null
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_lock.read_lock();
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CacheEntry *e = cache_map[path];
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_lock.read_unlock();
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if (!e) {
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return "";
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}
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if (cache_invalidation_time > 0) {
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uint64_t current_timestamp = OS::get_singleton()->get_unix_time();
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uint64_t diff = current_timestamp - e->timestamp;
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if (diff > cache_invalidation_time) {
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return "";
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}
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}
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return e->body;
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}
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void FileCache::set_cached_body(const String &path, const String &body) {
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_lock.write_lock();
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CacheEntry *e = cache_map[path];
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if (!e) {
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e = memnew(CacheEntry());
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cache_map[path] = e;
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}
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uint64_t current_timestamp = OS::get_singleton()->get_unix_time();
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e->timestamp = current_timestamp;
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e->body = body;
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_lock.write_unlock();
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}
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void FileCache::clear() {
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_lock.write_lock();
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_registered_files.clear();
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for (RBMap<String, CacheEntry *>::Element *E = cache_map.front(); E; E++) {
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CacheEntry *ce = E->get();
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if (ce) {
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memdelete(ce);
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}
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}
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cache_map.clear();
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_lock.write_unlock();
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}
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FileCache::FileCache() {
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cache_invalidation_time = 0;
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}
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FileCache::~FileCache() {
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_registered_files.clear();
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}
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void FileCache::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_wwwroot"), &FileCache::get_wwwroot);
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ClassDB::bind_method(D_METHOD("set_wwwroot", "val"), &FileCache::set_wwwroot);
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "wwwroot"), "set_wwwroot", "get_wwwroot");
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ClassDB::bind_method(D_METHOD("get_wwwroot_abs"), &FileCache::get_wwwroot_abs);
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ClassDB::bind_method(D_METHOD("get_cache_invalidation_time"), &FileCache::get_cache_invalidation_time);
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ClassDB::bind_method(D_METHOD("set_cache_invalidation_time", "val"), &FileCache::set_cache_invalidation_time);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "cache_invalidation_time"), "set_cache_invalidation_time", "get_cache_invalidation_time");
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ClassDB::bind_method(D_METHOD("wwwroot_register_file", "file_path"), &FileCache::wwwroot_register_file);
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ClassDB::bind_method(D_METHOD("wwwroot_deregister_file", "file_path"), &FileCache::wwwroot_deregister_file);
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ClassDB::bind_method(D_METHOD("wwwroot_has_file", "file_path"), &FileCache::wwwroot_has_file);
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ClassDB::bind_method(D_METHOD("wwwroot_get_file_index", "file_path"), &FileCache::wwwroot_get_file_index);
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ClassDB::bind_method(D_METHOD("wwwroot_get_file_orig_path", "index"), &FileCache::wwwroot_get_file_orig_path);
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ClassDB::bind_method(D_METHOD("wwwroot_get_file_orig_path_abs", "index"), &FileCache::wwwroot_get_file_orig_path_abs);
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ClassDB::bind_method(D_METHOD("wwwroot_refresh_cache"), &FileCache::wwwroot_refresh_cache);
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ClassDB::bind_method(D_METHOD("wwwroot_evaluate_dir", "file_path", "should_exist "), &FileCache::wwwroot_evaluate_dir, true);
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ClassDB::bind_method(D_METHOD("get_cached_body", "path"), &FileCache::get_cached_body_bind);
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ClassDB::bind_method(D_METHOD("has_cached_body", "path"), &FileCache::has_cached_body);
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ClassDB::bind_method(D_METHOD("set_cached_body", "path", "body"), &FileCache::set_cached_body);
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ClassDB::bind_method(D_METHOD("clear"), &FileCache::clear);
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}
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