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Diffstat (limited to 'core/io/file_access_network.h')
| -rw-r--r-- | core/io/file_access_network.h | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/core/io/file_access_network.h b/core/io/file_access_network.h deleted file mode 100644 index 78c19347ce..0000000000 --- a/core/io/file_access_network.h +++ /dev/null @@ -1,167 +0,0 @@ -/**************************************************************************/ -/* file_access_network.h */ -/**************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/**************************************************************************/ -/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ -/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/**************************************************************************/ - -#ifndef FILE_ACCESS_NETWORK_H -#define FILE_ACCESS_NETWORK_H - -#include "core/io/file_access.h" -#include "core/io/stream_peer_tcp.h" -#include "core/os/semaphore.h" -#include "core/os/thread.h" - -class FileAccessNetwork; - -class FileAccessNetworkClient { - struct BlockRequest { - int32_t id; - uint64_t offset; - int32_t size; - }; - - List<BlockRequest> block_requests; - - Semaphore sem; - Thread thread; - bool quit = false; - Mutex mutex; - Mutex blockrequest_mutex; - HashMap<int, FileAccessNetwork *> accesses; - Ref<StreamPeerTCP> client; - int32_t last_id = 0; - int32_t lockcount = 0; - - Vector<uint8_t> block; - - void _thread_func(); - static void _thread_func(void *s); - - void put_32(int32_t p_32); - void put_64(int64_t p_64); - int32_t get_32(); - int64_t get_64(); - void lock_mutex(); - void unlock_mutex(); - - friend class FileAccessNetwork; - static FileAccessNetworkClient *singleton; - -public: - static FileAccessNetworkClient *get_singleton() { return singleton; } - - Error connect(const String &p_host, int p_port, const String &p_password = ""); - - FileAccessNetworkClient(); - ~FileAccessNetworkClient(); -}; - -class FileAccessNetwork : public FileAccess { - Semaphore sem; - Semaphore page_sem; - Mutex buffer_mutex; - bool opened = false; - uint64_t total_size = 0; - mutable uint64_t pos = 0; - int32_t id = -1; - mutable bool eof_flag = false; - mutable int32_t last_page = -1; - mutable uint8_t *last_page_buff = nullptr; - - int32_t page_size = 0; - int32_t read_ahead = 0; - - mutable int waiting_on_page = -1; - - struct Page { - int activity = 0; - bool queued = false; - Vector<uint8_t> buffer; - }; - - mutable Vector<Page> pages; - - mutable Error response; - - uint64_t exists_modtime = 0; - - friend class FileAccessNetworkClient; - void _queue_page(int32_t p_page) const; - void _respond(uint64_t p_len, Error p_status); - void _set_block(uint64_t p_offset, const Vector<uint8_t> &p_block); - void _close(); - -public: - enum Command { - COMMAND_OPEN_FILE, - COMMAND_READ_BLOCK, - COMMAND_CLOSE, - COMMAND_FILE_EXISTS, - COMMAND_GET_MODTIME, - }; - - enum Response { - RESPONSE_OPEN, - RESPONSE_DATA, - RESPONSE_FILE_EXISTS, - RESPONSE_GET_MODTIME, - }; - - virtual Error open_internal(const String &p_path, int p_mode_flags) override; ///< open a file - virtual bool is_open() const override; ///< true when file is open - - virtual void seek(uint64_t p_position) override; ///< seek to a given position - virtual void seek_end(int64_t p_position = 0) override; ///< seek from the end of file - virtual uint64_t get_position() const override; ///< get position in the file - virtual uint64_t get_length() const override; ///< get size of the file - - virtual bool eof_reached() const override; ///< reading passed EOF - - virtual uint8_t get_8() const override; ///< get a byte - virtual uint64_t get_buffer(uint8_t *p_dst, uint64_t p_length) const override; - - virtual Error get_error() const override; ///< get last error - - virtual void flush() override; - virtual void store_8(uint8_t p_dest) override; ///< store a byte - - virtual bool file_exists(const String &p_path) override; ///< return true if a file exists - - virtual uint64_t _get_modified_time(const String &p_file) override; - virtual uint32_t _get_unix_permissions(const String &p_file) override; - virtual Error _set_unix_permissions(const String &p_file, uint32_t p_permissions) override; - - virtual void close() override; - - static void configure(); - - FileAccessNetwork(); - ~FileAccessNetwork(); -}; - -#endif // FILE_ACCESS_NETWORK_H |