47 lines
1.1 KiB
C++
Executable File
47 lines
1.1 KiB
C++
Executable File
#ifndef _INCLUDE_JOURNAL_H
|
|
#define _INCLUDE_JOURNAL_H
|
|
|
|
#include "nvault.h"
|
|
|
|
#define JOURNAL_MAGIC 0x6E564A4C
|
|
|
|
class Journal
|
|
{
|
|
public:
|
|
enum JournalOp
|
|
{
|
|
Journal_Nop, //Nothing
|
|
Journal_Name, //Maps name to Id (id,len,[])
|
|
Journal_Store, //Stores key/val (id,time,klen,vlen,[],[])
|
|
Journal_Erase, //Erases key (id,klen,[])
|
|
Journal_Clear, //Clears (id)
|
|
Journal_Prune //Prunes (id,t1,t2,all)
|
|
};
|
|
public:
|
|
Journal(const char *file);
|
|
public:
|
|
bool Replay(size_t &files, size_t &ops);
|
|
void ClearJournal();
|
|
bool StartJournal();
|
|
void EndJournal();
|
|
public:
|
|
void Store(const char *name, const char *key, const char *val, time_t stamp);
|
|
void Erase(const char *name, const char *key);
|
|
void Clear(const char *name);
|
|
void Prune(const char *name, time_t begin, time_t end, bool all);
|
|
private:
|
|
void BeginOp(const char *name, JournalOp jop);
|
|
void WriteByte(uint8_t num);
|
|
void WriteShort(uint16_t num);
|
|
void WriteInt(uint32_t num);
|
|
void WriteString(const char *str);
|
|
size_t EndOp();
|
|
private:
|
|
String m_File;
|
|
FILE *m_Fp;
|
|
HashTable m_Names;
|
|
uint32_t m_LastId;
|
|
};
|
|
|
|
#endif //_INCLUDE_JOURNAL_H
|