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include/providers/sia/sia_provider.hpp

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+/*
+  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_PROVIDERS_SIA_SIAPROVIDER_HPP_
+#define INCLUDE_PROVIDERS_SIA_SIAPROVIDER_HPP_
+
+#include "common.hpp"
+#include "providers/base_provider.hpp"
+
+namespace repertory {
+class app_config;
+class i_comm;
+class sia_provider : public base_provider {
+public:
+  sia_provider(app_config &config, i_comm &comm);
+
+  ~sia_provider() override = default;
+
+private:
+  i_comm &comm_;
+  std::uint64_t total_drive_space_ = 0u;
+  bool stop_requested_ = false;
+  std::mutex start_stop_mutex_;
+  std::condition_variable start_stop_notify_;
+  std::unique_ptr<std::thread> drive_space_thread_;
+
+private:
+  api_item_added_callback &get_api_item_added() { return api_item_added_; }
+
+  i_comm &get_comm() { return comm_; }
+
+  i_comm &get_comm() const { return comm_; } // TODO Fix non-const reference return
+
+private:
+  void calculate_total_drive_space();
+
+  api_error calculate_used_drive_space(std::uint64_t &used_space);
+
+  void drive_space_thread();
+
+  bool processed_orphaned_file(const std::string &source_path,
+                               const std::string &api_path = "") const;
+
+  void remove_deleted_files();
+
+  void remove_expired_orphaned_files();
+
+  void remove_unknown_source_files();
+
+protected:
+  api_error check_file_exists(const std::string &api_path) const;
+
+  bool check_directory_found(const json &error) const;
+
+  bool check_not_found(const json &error) const;
+
+  virtual void cleanup();
+
+  void create_api_file(const json &json_file, const std::string &path_name, api_file &file) const;
+
+  api_error get_directory(const std::string &api_path, json &result, json &error) const;
+
+  api_error notify_file_added(const std::string &api_path, const std::string &api_parent,
+                              const std::uint64_t &size) override;
+
+  void set_api_file_dates(const json &file, api_file &apiFile) const;
+
+public:
+  api_error create_directory(const std::string &api_path, const api_meta_map &meta) override;
+
+  std::uint64_t get_directory_item_count(const std::string &api_path) const override;
+
+  api_error get_directory_items(const std::string &api_path,
+                                directory_item_list &list) const override;
+
+  api_error get_file(const std::string &api_path, api_file &file) const override;
+
+  api_error get_file_list(api_file_list &list) const override;
+
+  api_error get_file_size(const std::string &api_path, std::uint64_t &file_size) const override;
+
+  api_error get_filesystem_item(const std::string &api_path, const bool &directory,
+                                filesystem_item &fsi) const override;
+
+  api_error get_filesystem_item_and_file(const std::string &api_path, api_file &apiFile,
+                                         filesystem_item &fsi) const override;
+
+  provider_type get_provider_type() const override { return provider_type::sia; }
+
+  std::uint64_t get_total_drive_space() const override { return total_drive_space_; }
+
+  std::uint64_t get_total_item_count() const override;
+
+  bool is_directory(const std::string &api_path) const override;
+
+  bool is_file(const std::string &api_path) const override;
+
+  bool is_online() const override;
+
+  bool is_rename_supported() const override { return true; }
+
+  api_error read_file_bytes(const std::string &api_path, const std::size_t &size,
+                            const std::uint64_t &offset, std::vector<char> &buffer,
+                            const bool &stop_requested) override;
+
+  api_error remove_directory(const std::string &api_path) override;
+
+  api_error remove_file(const std::string &api_path) override;
+
+  api_error rename_file(const std::string &from_api_path, const std::string &to_api_path) override;
+
+  bool start(api_item_added_callback api_item_added, i_open_file_table *oft) override;
+
+  void stop() override;
+
+  api_error upload_file(const std::string &api_path, const std::string &source_path,
+                        const std::string &) override;
+};
+} // namespace repertory
+
+#endif // INCLUDE_PROVIDERS_SIA_SIAPROVIDER_HPP_