v2.0.2-rc (#27)

## v2.0.2-rc

### BREAKING CHANGES

* Refactored `config.json` - will need to verify configuration settings prior to mounting

### Issues

* \#12 \[Unit Test\] Complete all providers unit tests
* \#14 \[Unit Test\] SQLite mini-ORM unit tests and cleanup
* \#16 Add support for bucket name in Sia provider
* \#17 Update to common c++ build system
  * A single 64-bit Linux Jenkins server is used to build all Linux and Windows versions
  * All dependency sources are now included
  * MSVC is no longer supported
  * MSYS2 is required for building Windows binaries on Windows
  * OS X support is temporarily disabled
* \#19 \[bug\] Rename file is broken for files that are existing
* \#23 \[bug\] Incorrect file size displayed while upload is pending
* \#24 RocksDB implementations should be transactional
* \#25 Writes should block when maximum cache size is reached
* \#26 Complete ring buffer and direct download support

### Changes from v2.0.1-rc

* Ability to choose between RocksDB and SQLite databases
* Added direct reads and implemented download fallback
* Corrected file times on S3 and Sia providers
* Corrected handling of `chown()` and `chmod()`
* Fixed erroneous download of chunks after resize

Reviewed-on: #27

repertory/librepertory/include/app_config.hpp

@@ -0,0 +1,258 @@
+/*
+  Copyright <2018-2024> <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 REPERTORY_INCLUDE_APP_CONFIG_HPP_
+#define REPERTORY_INCLUDE_APP_CONFIG_HPP_
+
+#include "events/event.hpp"
+#include "types/remote.hpp"
+#include "types/repertory.hpp"
+
+namespace repertory {
+class app_config final {
+public:
+  [[nodiscard]] static auto
+  default_agent_name(const provider_type &prov) -> std::string;
+
+  [[nodiscard]] static auto
+  default_api_port(const provider_type &prov) -> std::uint16_t;
+
+  [[nodiscard]] static auto
+  default_data_directory(const provider_type &prov) -> std::string;
+
+  [[nodiscard]] static auto
+  default_remote_api_port(const provider_type &prov) -> std::uint16_t;
+
+  [[nodiscard]] static auto
+  default_rpc_port(const provider_type &prov) -> std::uint16_t;
+
+  [[nodiscard]] static auto
+  get_provider_display_name(const provider_type &prov) -> std::string;
+
+  [[nodiscard]] static auto
+  get_provider_name(const provider_type &prov) -> std::string;
+
+public:
+  app_config(const provider_type &prov, std::string_view data_directory = "");
+
+  app_config() = delete;
+  app_config(app_config &&) = delete;
+  app_config(const app_config &) = delete;
+
+  ~app_config() { save(); }
+
+  auto operator=(const app_config &) -> app_config & = delete;
+  auto operator=(app_config &&) -> app_config & = delete;
+
+private:
+  provider_type prov_;
+  atomic<std::string> api_auth_;
+  std::atomic<std::uint16_t> api_port_;
+  atomic<std::string> api_user_;
+  std::atomic<bool> config_changed_;
+  std::atomic<database_type> db_type_{database_type::rocksdb};
+  std::atomic<std::uint8_t> download_timeout_secs_;
+  std::atomic<bool> enable_download_timeout_;
+  std::atomic<bool> enable_drive_events_;
+#if defined(_WIN32)
+  std::atomic<bool> enable_mount_manager_;
+#endif // defined(_WIN32)
+  std::atomic<event_level> event_level_;
+  std::atomic<std::uint32_t> eviction_delay_mins_;
+  std::atomic<bool> eviction_uses_accessed_time_;
+  std::atomic<std::uint16_t> high_freq_interval_secs_;
+  std::atomic<std::uint16_t> low_freq_interval_secs_;
+  std::atomic<std::uint64_t> max_cache_size_bytes_;
+  std::atomic<std::uint8_t> max_upload_count_;
+  std::atomic<std::uint16_t> med_freq_interval_secs_;
+  std::atomic<std::uint16_t> online_check_retry_secs_;
+  std::atomic<std::uint16_t> orphaned_file_retention_days_;
+  std::atomic<download_type> preferred_download_type_;
+  std::atomic<std::uint16_t> retry_read_count_;
+  std::atomic<std::uint16_t> ring_buffer_file_size_;
+  std::atomic<std::uint16_t> task_wait_ms_;
+
+private:
+  std::string cache_directory_;
+  std::string data_directory_;
+  atomic<encrypt_config> encrypt_config_;
+  atomic<host_config> host_config_;
+  std::string log_directory_;
+  mutable std::recursive_mutex read_write_mutex_;
+  atomic<remote::remote_config> remote_config_;
+  atomic<remote::remote_mount> remote_mount_;
+  atomic<s3_config> s3_config_;
+  atomic<sia_config> sia_config_;
+  std::unordered_map<std::string, std::function<std::string()>>
+      value_get_lookup_;
+  std::unordered_map<std::string,
+                     std::function<std::string(const std::string &)>>
+      value_set_lookup_;
+  std::uint64_t version_{REPERTORY_CONFIG_VERSION};
+
+private:
+  [[nodiscard]] auto load() -> bool;
+
+  template <typename dest, typename source>
+  auto set_value(dest &dst, const source &src) -> bool;
+
+public:
+  [[nodiscard]] auto get_api_auth() const -> std::string;
+
+  [[nodiscard]] auto get_api_port() const -> std::uint16_t;
+
+  [[nodiscard]] auto get_api_user() const -> std::string;
+
+  [[nodiscard]] auto get_cache_directory() const -> std::string;
+
+  [[nodiscard]] auto get_config_file_path() const -> std::string;
+
+  [[nodiscard]] auto get_database_type() const -> database_type;
+
+  [[nodiscard]] auto get_data_directory() const -> std::string;
+
+  [[nodiscard]] auto get_download_timeout_secs() const -> std::uint8_t;
+
+  [[nodiscard]] auto get_enable_download_timeout() const -> bool;
+
+  [[nodiscard]] auto get_enable_drive_events() const -> bool;
+
+  [[nodiscard]] auto get_encrypt_config() const -> encrypt_config;
+
+#if defined(_WIN32)
+  [[nodiscard]] auto get_enable_mount_manager() const -> bool;
+#endif // defined(_WIN32)
+
+  [[nodiscard]] auto get_event_level() const -> event_level;
+
+  [[nodiscard]] auto get_eviction_delay_mins() const -> std::uint32_t;
+
+  [[nodiscard]] auto get_eviction_uses_accessed_time() const -> bool;
+
+  [[nodiscard]] auto get_high_frequency_interval_secs() const -> std::uint16_t;
+
+  [[nodiscard]] auto get_host_config() const -> host_config;
+
+  [[nodiscard]] auto get_json() const -> json;
+
+  [[nodiscard]] auto get_log_directory() const -> std::string;
+
+  [[nodiscard]] auto get_low_frequency_interval_secs() const -> std::uint16_t;
+
+  [[nodiscard]] auto get_max_cache_size_bytes() const -> std::uint64_t;
+
+  [[nodiscard]] auto get_max_upload_count() const -> std::uint8_t;
+
+  [[nodiscard]] auto get_med_frequency_interval_secs() const -> std::uint16_t;
+
+  [[nodiscard]] auto get_online_check_retry_secs() const -> std::uint16_t;
+
+  [[nodiscard]] auto get_orphaned_file_retention_days() const -> std::uint16_t;
+
+  [[nodiscard]] auto get_preferred_download_type() const -> download_type;
+
+  [[nodiscard]] auto get_provider_type() const -> provider_type;
+
+  [[nodiscard]] auto get_remote_config() const -> remote::remote_config;
+
+  [[nodiscard]] auto get_remote_mount() const -> remote::remote_mount;
+
+  [[nodiscard]] auto get_retry_read_count() const -> std::uint16_t;
+
+  [[nodiscard]] auto get_ring_buffer_file_size() const -> std::uint16_t;
+
+  [[nodiscard]] auto get_s3_config() const -> s3_config;
+
+  [[nodiscard]] auto get_sia_config() const -> sia_config;
+
+  [[nodiscard]] auto get_task_wait_ms() const -> std::uint16_t;
+
+  [[nodiscard]] auto
+  get_value_by_name(const std::string &name) const -> std::string;
+
+  [[nodiscard]] auto get_version() const -> std::uint64_t;
+
+  void save();
+
+  void set_api_auth(const std::string &value);
+
+  void set_api_port(std::uint16_t value);
+
+  void set_api_user(const std::string &value);
+
+  void set_download_timeout_secs(std::uint8_t value);
+
+  void set_database_type(const database_type &value);
+
+  void set_enable_download_timeout(bool value);
+
+  void set_enable_drive_events(bool value);
+
+#if defined(_WIN32)
+  void set_enable_mount_manager(bool value);
+#endif // defined(_WIN32)
+
+  void set_event_level(const event_level &value);
+
+  void set_encrypt_config(encrypt_config value);
+
+  void set_eviction_delay_mins(std::uint32_t value);
+
+  void set_eviction_uses_accessed_time(bool value);
+
+  void set_high_frequency_interval_secs(std::uint16_t value);
+
+  void set_host_config(host_config value);
+
+  void set_low_frequency_interval_secs(std::uint16_t value);
+
+  void set_max_cache_size_bytes(std::uint64_t value);
+
+  void set_max_upload_count(std::uint8_t value);
+
+  void set_med_frequency_interval_secs(std::uint16_t value);
+
+  void set_online_check_retry_secs(std::uint16_t value);
+
+  void set_orphaned_file_retention_days(std::uint16_t value);
+
+  void set_preferred_download_type(const download_type &value);
+
+  void set_remote_config(remote::remote_config value);
+
+  void set_remote_mount(remote::remote_mount value);
+
+  void set_retry_read_count(std::uint16_t value);
+
+  void set_ring_buffer_file_size(std::uint16_t value);
+
+  void set_s3_config(s3_config value);
+
+  void set_sia_config(sia_config value);
+
+  void set_task_wait_ms(std::uint16_t value);
+
+  [[nodiscard]] auto set_value_by_name(const std::string &name,
+                                       const std::string &value) -> std::string;
+};
+} // namespace repertory
+
+#endif // REPERTORY_INCLUDE_APP_CONFIG_HPP_