1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <string>
#include "irr_v3d.h"
#include "rollback_interface.h"
#include <list>
#include <vector>
#include "sqlite3.h"
class IGameDef;
struct ActionRow;
struct Entity;
class RollbackManager: public IRollbackManager
{
public:
RollbackManager(const std::string & world_path, IGameDef * gamedef);
~RollbackManager();
void reportAction(const RollbackAction & action_);
std::string getActor();
bool isActorGuess();
void setActor(const std::string & actor, bool is_guess);
std::string getSuspect(v3s16 p, float nearness_shortcut,
float min_nearness);
void flush();
void addAction(const RollbackAction & action);
std::list<RollbackAction> getEntriesSince(time_t first_time);
std::list<RollbackAction> getNodeActors(v3s16 pos, int range,
time_t seconds, int limit);
std::list<RollbackAction> getRevertActions(
const std::string & actor_filter, time_t seconds);
private:
void registerNewActor(const int id, const std::string & name);
void registerNewNode(const int id, const std::string & name);
int getActorId(const std::string & name);
int getNodeId(const std::string & name);
const char * getActorName(const int id);
const char * getNodeName(const int id);
bool createTables();
bool initDatabase();
bool registerRow(const ActionRow & row);
const std::list<ActionRow> actionRowsFromSelect(sqlite3_stmt * stmt);
ActionRow actionRowFromRollbackAction(const RollbackAction & action);
const std::list<RollbackAction> rollbackActionsFromActionRows(
const std::list<ActionRow> & rows);
const std::list<ActionRow> getRowsSince(time_t firstTime,
const std::string & actor);
const std::list<ActionRow> getRowsSince_range(time_t firstTime, v3s16 p,
int range, int limit);
const std::list<RollbackAction> getActionsSince_range(time_t firstTime, v3s16 p,
int range, int limit);
const std::list<RollbackAction> getActionsSince(time_t firstTime,
const std::string & actor = "");
void migrate(const std::string & filepath);
static float getSuspectNearness(bool is_guess, v3s16 suspect_p,
time_t suspect_t, v3s16 action_p, time_t action_t);
IGameDef *gamedef = nullptr;
std::string current_actor;
bool current_actor_is_guess = false;
std::list<RollbackAction> action_todisk_buffer;
std::list<RollbackAction> action_latest_buffer;
std::string database_path;
sqlite3 * db;
sqlite3_stmt * stmt_insert;
sqlite3_stmt * stmt_replace;
sqlite3_stmt * stmt_select;
sqlite3_stmt * stmt_select_range;
sqlite3_stmt * stmt_select_withActor;
sqlite3_stmt * stmt_knownActor_select;
sqlite3_stmt * stmt_knownActor_insert;
sqlite3_stmt * stmt_knownNode_select;
sqlite3_stmt * stmt_knownNode_insert;
std::vector<Entity> knownActors;
std::vector<Entity> knownNodes;
};
|
