db_service_file_system.h

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#ifndef ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_FILE_SYSTEM_FILE_SYSTEM_H_
#define ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_FILE_SYSTEM_FILE_SYSTEM_H_
 
#include <map>
#include <memory>
#include <string>
 
#include "collector/mysql_cache_manager.h"
#include "mrs/rest/response_cache.h"
#include "mysqlrouter/polyglot_file_system.h"
 
namespace mrs {
 
namespace endpoint {
class DbServiceEndpoint;
class ContentFileEndpoint;
}  // namespace endpoint
 
namespace file_system {
 
using ContentFilePtr = std::shared_ptr<mrs::endpoint::ContentFileEndpoint>;
using ContentFileWeakPtr = std::weak_ptr<mrs::endpoint::ContentFileEndpoint>;
 
class DbServiceFileSystem : public shcore::polyglot::IFile_system {
 public:
  DbServiceFileSystem(endpoint::DbServiceEndpoint *endpoint);
 
  std::string parse_uri_path(const std::string &uri) override;
  std::string parse_string_path(const std::string &path) override;
  void check_access(const std::string &path, int64_t flags) override;
  void create_directory(const std::string &path) override;
  void remove(const std::string &path) override;
  std::shared_ptr<shcore::polyglot::ISeekable_channel> new_byte_channel(
      const std::string &path) override;
  std::shared_ptr<shcore::polyglot::IDirectory_stream> new_directory_stream(
      const std::string &path) override;
  std::string to_absolute_path(const std::string &path) override;
  std::string to_real_path(const std::string &path) override;
 
  ~DbServiceFileSystem() override = default;
 
 private:
  endpoint::DbServiceEndpoint *m_service_endpoint;
  void traverse_files(std::function<bool(const ContentFilePtr &)> callback);
  ContentFilePtr lookup_file(const std::string &request_path);
};
 
}  // namespace file_system
}  // namespace mrs
 
#endif  // ROUTER_SRC_MYSQL_REST_SERVICE_SRC_MRS_FILE_SYSTEM_FILE_SYSTEM_H_