amxmodx/modules/nvault/Journal.h

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// vim: set ts=4 sw=4 tw=99 noet:
//
// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
// Copyright (C) The AMX Mod X Development Team.
//
// This software is licensed under the GNU General Public License, version 3 or higher.
// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
// https://alliedmods.net/amxmodx-license
//
// NVault Module
//
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#ifndef _INCLUDE_JOURNAL_H
#define _INCLUDE_JOURNAL_H
#include "Binary.h"
#include <am-linkedlist.h>
#include <sm_stringhashmap.h>
#include <am-string.h>
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enum JOp
{
Journal_Nop=0, //no operation
Journal_Clear, //clears, no parameters
Journal_Prune, //prunes, two params (start, end, 32bit both)
Journal_Insert, //inserts stamp (32), key (8+[]), val (16+[])
Journal_Remove, //removes key(8+[])
Journal_TotalOps,
};
enum Encode
{
Encode_Small,
Encode_Medium,
};
struct ArrayInfo
{
ke::AString value;
time_t stamp;
};
typedef StringHashMap<ArrayInfo> VaultMap;
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class Journal
{
public:
Journal(const char *file);
public:
bool Begin();
bool End();
int Replay(VaultMap *pMap);
bool Erase();
public:
bool Write_Clear();
bool Write_Prune(time_t start, time_t end);
bool Write_Insert(const char *key, const char *val, time_t stamp);
bool Write_Remove(const char *key);
private:
bool WriteOp(JOp op);
bool WriteInt32(int num);
bool WriteString(const char *str, Encode enc);
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private:
ke::AString m_File;
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FILE *m_fp;
BinaryWriter m_Bw;
};
#endif //_INCLUDE_JOURNAL_H