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/** |
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* This file is part of the CernVM File System. |
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*/ |
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#ifndef CVMFS_CATALOG_VIRTUAL_H_ |
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#define CVMFS_CATALOG_VIRTUAL_H_ |
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#include <string> |
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#include <vector> |
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#include "hash.h" |
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#include "shortstring.h" |
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#include "swissknife_assistant.h" |
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namespace catalog { |
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class WritableCatalogManager; |
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} |
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namespace download { |
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class DownloadManager; |
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} |
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namespace manifest { |
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class Manifest; |
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} |
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struct SyncParameters; |
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namespace catalog { |
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class VirtualCatalog { |
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public: |
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static const char *kVirtualPath; // = ".cvmfs" |
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static const unsigned kActionNone; // = 0x00 |
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static const unsigned kActionGenerateSnapshots; // = 0x01 |
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static const unsigned kActionRemove; // 0x02; |
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static bool ParseActions(const std::string &action_desc, unsigned *actions); |
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VirtualCatalog(manifest::Manifest *m, |
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download::DownloadManager *d, |
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catalog::WritableCatalogManager *c, |
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SyncParameters *p); |
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void Generate(int actions); |
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private: |
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static const char *kSnapshotDirectory; |
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struct TagId { |
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TagId() { } |
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TagId(const std::string &n, const shash::Any &h) : name(n), hash(h) { } |
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bool operator ==(const TagId &other) const { |
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return (this->name == other.name) && (this->hash == other.hash); |
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} |
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bool operator <(const TagId &other) const { |
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if (this->name < other.name) { return true; } |
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else if (this->name > other.name) { return false; } |
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return this->hash < other.hash; |
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} |
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std::string name; |
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shash::Any hash; |
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}; |
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void GenerateSnapshots(); |
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void EnsurePresence(); |
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void CreateCatalog(); |
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void CreateBaseDirectory(); |
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void CreateNestedCatalogMarker(); |
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void CreateSnapshotDirectory(); |
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void GetSortedTagsFromHistory(std::vector<TagId> *tags); |
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void GetSortedTagsFromCatalog(std::vector<TagId> *tags); |
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void RemoveSnapshot(TagId tag); |
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void InsertSnapshot(TagId tag); |
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void Remove(); |
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void RemoveRecursively(const std::string &directory); |
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catalog::WritableCatalogManager *catalog_mgr_; |
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swissknife::Assistant assistant_; |
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}; // class VirtualCatalog |
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} // namespace catalog |
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#endif // CVMFS_CATALOG_VIRTUAL_H_ |