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added skeleton code for p3filelists, and interface files for directory storage and hash cache

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mr-alice 2016-07-18 21:52:44 -04:00
parent a6d467d138
commit b31e396c2b
3 changed files with 207 additions and 0 deletions
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65
libretroshare/src/file_sharing/directory_storage.h Normal file
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#include <string>
static const uint8_t DIRECTORY_STORAGE_VERSION = 0x01 ;
static const uint8_t DIRECTORY_STORAGE_TAG_FILE_HASH = 0x01 ;
static const uint8_t DIRECTORY_STORAGE_TAG_FILE_HASH = 0x01 ;
static const uint8_t DIRECTORY_STORAGE_TAG_FILE_NAME = 0x02 ;
static const uint8_t DIRECTORY_STORAGE_TAG_FILE_SIZE = 0x03 ;
static const uint8_t DIRECTORY_STORAGE_TAG_DIR_NAME = 0x04 ;
static const uint8_t DIRECTORY_STORAGE_TAG_MODIF_TS = 0x05 ;
static const uint8_t DIRECTORY_STORAGE_TAG_RECURS_MODIF_TS = 0x06 ;
class DirectoryStorage
{
public:
DirectoryStorage(const std::string& local_file_name) ;
void save() const ;
virtual int searchTerms(const std::list<std::string>& terms, std::list<EntryIndex> &results) const;
virtual int searchHash(const RsFileHash& hash, std::list<EntryIndex> &results) const;
virtual int searchBoolExp(Expression * exp, std::list<EntryIndex> &results) const;
void getFileDetails(EntryIndex i) ;
// This class allows to abstractly browse the stored directory hierarchy in a depth-first manner.
// It gives access to sub-files and sub-directories below.
//
class DirIterator
{
public:
DirIterator(const DirectoryStorage& d) ;
DirIterator& operator++() ;
EntryIndex operator*() const ; // current directory entry
bool operator()() const ; // used in for loops. Returns true when the iterator is valid.
};
class FileIterator
{
public:
FileIterator(const DirectoryStorage& d) ;
FileIterator& operator++() ;
EntryIndex operator*() const ; // current file entry
bool operator()() const ; // used in for loops. Returns true when the iterator is valid.
};
private:
void load(const std::string& local_file_name) ;
void save(const std::string& local_file_name) ;
void loadNextTag(const void *data,uint32_t& offset,uint8_t& entry_tag,uint32_t& entry_size) ;
void saveNextTag(void *data,uint32_t& offset,uint8_t entry_tag,uint32_t entry_size) ;
};
class RemoteDirectoryStorage: public DirectoryStorage
{
};
class LocalDirectoryStorage: public DirectoryStorage
{
};