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Instead of reading files over the network, the new version uses a local file cache and only updates files when it changes. The original remote filesystem was created 14 years ago, when ethernet was faster than hard drives or even flash. Also, mobile devices have a very small amount of storage. Nowadays, this is no longer the case so the approach is changed to using a persistent cache in the target device. Co-authored-by: m4gr3d
66 lines
3.5 KiB
C++
66 lines
3.5 KiB
C++
/**************************************************************************/
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/* remote_filesystem_client.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 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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#ifndef REMOTE_FILESYSTEM_CLIENT_H
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#define REMOTE_FILESYSTEM_CLIENT_H
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#include "core/io/ip_address.h"
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#include "core/string/ustring.h"
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#include "core/templates/hash_set.h"
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#include "core/templates/local_vector.h"
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class RemoteFilesystemClient {
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String cache_path;
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HashSet<String> validated_directories;
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protected:
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String _get_cache_path() { return cache_path; }
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struct FileCache {
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String path; // Local path (as in "folder/to/file.png")
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uint64_t server_modified_time; // MD5 checksum.
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uint64_t modified_time;
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};
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virtual bool _is_configured() { return !cache_path.is_empty(); }
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// Can be re-implemented per platform. If so, feel free to ignore get_cache_path()
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virtual Vector<FileCache> _load_cache_file();
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virtual Error _store_file(const String &p_path, const LocalVector<uint8_t> &p_file, uint64_t &modified_time);
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virtual Error _remove_file(const String &p_path);
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virtual Error _store_cache_file(const Vector<FileCache> &p_cache);
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virtual Error _synchronize_with_server(const String &p_host, int p_port, const String &p_password, String &r_cache_path);
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virtual void _update_cache_path(String &r_cache_path);
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public:
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Error synchronize_with_server(const String &p_host, int p_port, const String &p_password, String &r_cache_path);
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virtual ~RemoteFilesystemClient() {}
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};
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#endif // REMOTE_FILESYSTEM_CLIENT_H
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