diff options
Diffstat (limited to 'src/db.h')
-rw-r--r-- | src/db.h | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -50,6 +50,25 @@ public: ~CDBEnv(); void MakeMock(); bool IsMock() { return fMockDb; }; + + /* + * Verify that database file strFile is OK. If it is not, + * call the callback to try to recover. + * This must be called BEFORE strFile is opened. + * Returns true if strFile is OK. + */ + enum VerifyResult { VERIFY_OK, RECOVER_OK, RECOVER_FAIL }; + VerifyResult Verify(std::string strFile, bool (*recoverFunc)(CDBEnv& dbenv, std::string strFile)); + /* + * Salvage data from a file that Verify says is bad. + * fAggressive sets the DB_AGGRESSIVE flag (see berkeley DB->verify() method documentation). + * Appends binary key/value pairs to vResult, returns true if successful. + * NOTE: reads the entire database into memory, so cannot be used + * for huge databases. + */ + typedef std::pair<std::vector<unsigned char>, std::vector<unsigned char> > KeyValPair; + bool Salvage(std::string strFile, bool fAggressive, std::vector<KeyValPair>& vResult); + bool Open(boost::filesystem::path pathEnv_); void Close(); void Flush(bool fShutdown); @@ -58,6 +77,7 @@ public: bool GetDetach() { return fDetachDB; } void CloseDb(const std::string& strFile); + bool RemoveDb(const std::string& strFile); DbTxn *TxnBegin(int flags=DB_TXN_WRITE_NOSYNC) { |