devpath_plugin/redfish_devpath_injector.hpp

#ifndef THIRD_PARTY_GBMCWEB_DEVPATH_PLUGIN_REDFISH_DEVPATH_INJECTOR_H_
#define THIRD_PARTY_GBMCWEB_DEVPATH_PLUGIN_REDFISH_DEVPATH_INJECTOR_H_

#include <memory>
#include <string_view>

#include "absl/status/statusor.h"
#include "redfish_devpath_injector_interface.hpp"
#include "redfish_to_uhm_trie.hpp"
#include "http_request.hpp"
#include "http_response.hpp"

namespace devpath_plugin {

// RedfishDevpathInjector parses a mapping configuration file matching Redfish
// URL patterns to UHM (Unified Hardware Model) monitored component keys and
// their corresponding expose configuration (e.g., whether to expose OEM Google
// Devpaths, placeholder settings, and location contexts).
class RedfishDevpathInjector : public RedfishDevpathInjectorInterface {
 public:
  // Creates and initializes a `RedfishDevpathInjector` by reading and parsing
  // the textproto configuration file at `mapping_config_path`.
  //
  // Returns:
  //   - A new `RedfishDevpathInjector` instance (wrapped in `std::unique_ptr`)
  //     if the configuration is successfully read and parsed.
  //   - `absl::NotFoundError` if the file cannot be opened.
  //   - `absl::InvalidArgumentError` if the configuration cannot be parsed.
  static absl::StatusOr<std::unique_ptr<RedfishDevpathInjector>> Create(
      std::string_view mapping_config_path);

  void Inject(const crow::Request& req, crow::Response& res) const override;

 private:
  RedfishDevpathInjector() = default;
  RedfishToUhmTrie trie_;
};

}  // namespace devpath_plugin

#endif  // THIRD_PARTY_GBMCWEB_DEVPATH_PLUGIN_REDFISH_DEVPATH_INJECTOR_H_