69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
/*
|
|
Copyright <2018-2022> <scott.e.graves@protonmail.com>
|
|
|
|
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 INCLUDE_DRIVES_DIRECTORY_CACHE_HPP_
|
|
#define INCLUDE_DRIVES_DIRECTORY_CACHE_HPP_
|
|
|
|
#include "common.hpp"
|
|
|
|
namespace repertory {
|
|
class directory_iterator;
|
|
|
|
class directory_cache final {
|
|
public:
|
|
typedef std::function<void(directory_iterator &iterator)> execute_callback;
|
|
|
|
private:
|
|
struct open_directory {
|
|
directory_iterator *iterator;
|
|
std::chrono::system_clock::time_point last_update = std::chrono::system_clock::now();
|
|
};
|
|
|
|
public:
|
|
directory_cache() = default;
|
|
|
|
~directory_cache() { stop(); }
|
|
|
|
private:
|
|
std::unordered_map<std::string, open_directory> directory_lookup_;
|
|
std::recursive_mutex directory_mutex_;
|
|
bool is_shutdown_ = true;
|
|
std::unique_ptr<std::thread> refresh_thread_;
|
|
std::mutex shutdown_mutex_;
|
|
std::condition_variable shutdown_notify_;
|
|
|
|
private:
|
|
void refresh_thread();
|
|
|
|
public:
|
|
bool execute_action(const std::string &api_path, const execute_callback &execute);
|
|
|
|
directory_iterator *remove_directory(const std::string &api_path);
|
|
|
|
void remove_directory(directory_iterator *iterator);
|
|
|
|
void set_directory(const std::string &api_path, directory_iterator *iterator);
|
|
|
|
void start();
|
|
|
|
void stop();
|
|
};
|
|
} // namespace repertory
|
|
|
|
#endif // INCLUDE_DRIVES_DIRECTORY_CACHE_HPP_
|