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include/providers/skynet/skynet_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_SKYNET_SKYNET_PROVIDER_HPP_
+#define INCLUDE_PROVIDERS_SKYNET_SKYNET_PROVIDER_HPP_
+#if defined(REPERTORY_ENABLE_SKYNET)
+
+#include "common.hpp"
+#include "db/directory_db.hpp"
+#include "db/meta_db.hpp"
+#include "events/event_system.hpp"
+#include "providers/base_provider.hpp"
+#include "upload/upload_manager.hpp"
+
+namespace repertory {
+class app_config;
+class i_comm;
+class skynet_provider final : public base_provider {
+  E_CONSUMER();
+
+public:
+  skynet_provider(app_config &config, i_comm &comm);
+
+  ~skynet_provider() override { E_CONSUMER_RELEASE(); }
+
+private:
+  i_comm &comm_;
+  directory_db directory_db_;
+  upload_manager upload_manager_;
+  bool stop_requested_ = false;
+  std::atomic<std::size_t> next_download_index_;
+  std::atomic<std::size_t> next_upload_index_;
+  std::shared_ptr<std::vector<host_config>> download_list_;
+  std::shared_ptr<std::vector<host_config>> upload_list_;
+  mutable std::mutex portal_mutex_;
+
+private:
+  std::size_t get_retry_count() const;
+
+  void populate_api_file(api_file &file) const;
+
+  void process_export(json &result, const std::string &api_path) const;
+
+  void upload_completed(const std::string &api_path, const std::string &, const json &data);
+
+  api_error upload_handler(const upload_manager::upload &upload, json &data, json &error);
+
+protected:
+  void notify_directory_added(const std::string &api_path, const std::string &api_parent) override;
+
+  api_error notify_file_added(const std::string &, const std::string &,
+                              const std::uint64_t &) override;
+
+public:
+  api_error create_directory(const std::string &api_path, const api_meta_map &meta) override;
+
+  api_error create_file(const std::string &api_path, api_meta_map &meta) override;
+
+  json export_all() const;
+
+  json export_list(const std::vector<std::string> &api_path_list) const;
+
+  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;
+
+  host_config get_host_config(const bool &upload);
+
+  provider_type get_provider_type() const override { return provider_type::skynet; }
+
+  api_error get_skynet_metadata(const std::string &skylink, json &json_meta);
+
+  std::uint64_t get_total_drive_space() const override {
+    return std::numeric_limits<std::int64_t>::max() / std::int64_t(2);
+  }
+
+  std::uint64_t get_total_item_count() const override {
+    return directory_db_.get_total_item_count();
+  }
+
+  api_error import_skylink(const skylink_import &si);
+
+  bool is_directory(const std::string &api_path) const override;
+
+  bool is_file(const std::string &api_path) const override;
+
+  bool is_file_writeable(const std::string &api_path) const override;
+
+  bool is_online() const override { return true; }
+
+  bool is_processing(const std::string &api_path) const;
+
+  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> &data,
+                            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;
+
+  bool update_portal_list();
+
+  api_error upload_file(const std::string &api_path, const std::string &source_path,
+                        const std::string &encryption_token) override;
+};
+} // namespace repertory
+
+#endif // REPERTORY_ENABLE_SKYNET
+#endif // INCLUDE_PROVIDERS_SKYNET_SKYNET_PROVIDER_HPP_