| Directory: | cvmfs/ |
|---|---|
| File: | cvmfs/catalog_mgr_ro.h |
| Date: | 2025-02-09 02:34:19 |
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| Lines: | 6 | 6 | 100.0% |
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| 1 | /** | ||
| 2 | * This file is part of the CernVM File System. | ||
| 3 | * | ||
| 4 | * The SimpleCatalogManager is a simplistic concrete implementation of the | ||
| 5 | * AbstractCatalogManager and allows for easy-to-use access to the catalog | ||
| 6 | * structure of a given repository. This class is tailored for simplicity, not | ||
| 7 | * for performance. Have a look into ClientCatalogManager if you are working | ||
| 8 | * on the CVMFS client. | ||
| 9 | */ | ||
| 10 | |||
| 11 | #ifndef CVMFS_CATALOG_MGR_RO_H_ | ||
| 12 | #define CVMFS_CATALOG_MGR_RO_H_ | ||
| 13 | |||
| 14 | #include <string> | ||
| 15 | |||
| 16 | #include "catalog_mgr.h" | ||
| 17 | |||
| 18 | namespace download { | ||
| 19 | class DownloadManager; | ||
| 20 | } | ||
| 21 | |||
| 22 | namespace manifest { | ||
| 23 | class Manifest; | ||
| 24 | } | ||
| 25 | |||
| 26 | namespace perf { | ||
| 27 | class Statistics; | ||
| 28 | } | ||
| 29 | |||
| 30 | namespace catalog { | ||
| 31 | |||
| 32 | class SimpleCatalogManager : public AbstractCatalogManager<Catalog> { | ||
| 33 | public: | ||
| 34 | SimpleCatalogManager( | ||
| 35 | const shash::Any &base_hash, | ||
| 36 | const std::string &stratum0, | ||
| 37 | const std::string &dir_temp, | ||
| 38 | download::DownloadManager *download_manager, | ||
| 39 | perf::Statistics *statistics, | ||
| 40 | const bool manage_catalog_files = false, | ||
| 41 | const std::string &dir_cache = "", | ||
| 42 | const bool copy_to_tmp_dir = false); | ||
| 43 | |||
| 44 | protected: | ||
| 45 | virtual LoadReturn GetNewRootCatalogContext(CatalogContext *result); | ||
| 46 | virtual LoadReturn LoadCatalogByHash(CatalogContext *ctlg_context); | ||
| 47 | virtual Catalog* CreateCatalog(const PathString &mountpoint, | ||
| 48 | const shash::Any &catalog_hash, | ||
| 49 | Catalog *parent_catalog); | ||
| 50 | |||
| 51 | 40 | const shash::Any& base_hash() const { return base_hash_; } | |
| 52 | 20 | void set_base_hash(const shash::Any &hash) { base_hash_ = hash; } | |
| 53 | 29 | const std::string& dir_temp() const { return dir_temp_; } | |
| 54 | |||
| 55 | /** | ||
| 56 | * Makes the given path relative to the catalog structure | ||
| 57 | * Paths coming out here can be used for lookups in catalogs | ||
| 58 | * @param relativePath the path to be mangled | ||
| 59 | * @return the mangled path | ||
| 60 | */ | ||
| 61 | 321 | inline std::string MakeRelativePath(const std::string &relative_path) const { | |
| 62 |
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321 | return (relative_path == "") ? "" : "/" + relative_path; |
| 63 | } | ||
| 64 | |||
| 65 | 147 | bool UseLocalCache() const { return !dir_cache_.empty(); } | |
| 66 | |||
| 67 | std::string dir_cache_; // absolute path to local cache | ||
| 68 | // directory | ||
| 69 | bool copy_to_tmp_dir_; // only relevant if using local | ||
| 70 | // cache directory: | ||
| 71 | // for writeable catalogs a copy | ||
| 72 | // must be created in dir_temp_ | ||
| 73 | |||
| 74 | private: | ||
| 75 | std::string CopyCatalogToTempFile(const std::string &cache_path); | ||
| 76 | |||
| 77 | shash::Any base_hash_; | ||
| 78 | std::string stratum0_; | ||
| 79 | std::string dir_temp_; | ||
| 80 | download::DownloadManager *download_manager_; | ||
| 81 | const bool manage_catalog_files_; | ||
| 82 | }; // class SimpleCatalogManager | ||
| 83 | |||
| 84 | } // namespace catalog | ||
| 85 | |||
| 86 | #endif // CVMFS_CATALOG_MGR_RO_H_ | ||
| 87 |