RollbackManager Class Reference

#include <rollback.h>

Inheritance diagram for RollbackManager:

Collaboration diagram for RollbackManager:

Public Member Functions
	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)
Public Member Functions inherited from IRollbackManager
virtual	~IRollbackManager ()=default

Private Member Functions
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 Private Member Functions
static float	getSuspectNearness (bool is_guess, v3s16 suspect_p, time_t suspect_t, v3s16 action_p, time_t action_t)

Private Attributes
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

Constructor & Destructor Documentation

RollbackManager()

RollbackManager::RollbackManager	(	const std::string &	world_path,
		IGameDef *	gamedef
	)

References database_path, fs::DeleteSingleFileOrEmptyDirectory(), DIR_DELIM, initDatabase(), migrate(), fs::PathExists(), and verbosestream.

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~RollbackManager()

RollbackManager::~RollbackManager

(

)

References db, FINALIZE_STATEMENT, flush(), SQLOK_ERRSTREAM, stmt_insert, stmt_knownActor_insert, stmt_knownActor_select, stmt_knownNode_insert, stmt_knownNode_select, stmt_replace, stmt_select, stmt_select_range, and stmt_select_withActor.

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Member Function Documentation

actionRowFromRollbackAction()

ActionRow RollbackManager::actionRowFromRollbackAction ( const RollbackAction &  action )

private

References ActionRow::actor, RollbackAction::actor, RollbackAction::actor_is_guess, ActionRow::add, getActorId(), getNodeId(), ActionRow::guessed, ItemStackRow::id, ActionRow::id, ActionRow::index, RollbackAction::inventory_add, RollbackAction::inventory_index, RollbackAction::inventory_list, RollbackAction::inventory_location, RollbackAction::inventory_stack, ActionRow::list, ActionRow::location, RollbackNode::meta, RollbackAction::n_new, RollbackAction::n_old, ItemStack::name, RollbackNode::name, ActionRow::newMeta, ActionRow::newNode, ActionRow::newParam1, ActionRow::newParam2, ActionRow::oldMeta, ActionRow::oldNode, ActionRow::oldParam1, ActionRow::oldParam2, RollbackAction::p, RollbackNode::param1, RollbackNode::param2, ActionRow::stack, ActionRow::timestamp, ActionRow::type, RollbackAction::type, RollbackAction::TYPE_MODIFY_INVENTORY_STACK, RollbackAction::unix_time, ActionRow::x, ActionRow::y, and ActionRow::z.

Referenced by flush().

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actionRowsFromSelect()

const std::list< ActionRow > RollbackManager::actionRowsFromSelect ( sqlite3_stmt *  stmt )

private

References ActionRow::actor, ActionRow::add, ItemStack::count, getActorName(), ActionRow::guessed, ItemStackRow::id, ActionRow::index, itos(), ActionRow::list, ActionRow::location, ActionRow::newMeta, ActionRow::newNode, ActionRow::newParam1, ActionRow::newParam2, ActionRow::nodeMeta, ActionRow::oldMeta, ActionRow::oldNode, ActionRow::oldParam1, ActionRow::oldParam2, SQLOK, ActionRow::stack, ActionRow::timestamp, ActionRow::type, RollbackAction::TYPE_MODIFY_INVENTORY_STACK, RollbackAction::TYPE_SET_NODE, ActionRow::x, ActionRow::y, and ActionRow::z.

Referenced by getRowsSince(), and getRowsSince_range().

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addAction()

void RollbackManager::addAction

(

const RollbackAction &

action

)

References action_latest_buffer, action_todisk_buffer, and flush().

Referenced by reportAction().

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createTables()

bool RollbackManager::createTables ( )

private

References db, SQLOK, and verbosestream.

Referenced by initDatabase().

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flush()

void RollbackManager::flush ( )

virtual

Implements IRollbackManager.

References action_todisk_buffer, actionRowFromRollbackAction(), db, and registerRow().

Referenced by ~RollbackManager(), addAction(), getEntriesSince(), getNodeActors(), and getRevertActions().

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getActionsSince()

const std::list< RollbackAction > RollbackManager::getActionsSince ( time_t  firstTime, const std::string &  actor = ""  )

private

References getRowsSince(), and rollbackActionsFromActionRows().

Referenced by getEntriesSince(), and getRevertActions().

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getActionsSince_range()

const std::list< RollbackAction > RollbackManager::getActionsSince_range ( time_t  firstTime, v3s16  p, int  range, int  limit  )

private

References getRowsSince_range(), p(), and rollbackActionsFromActionRows().

Referenced by getNodeActors().

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getActor()

std::string RollbackManager::getActor ( )

virtual

Implements IRollbackManager.

References current_actor.

getActorId()

int RollbackManager::getActorId ( const std::string &  name )

private

References db, knownActors, registerNewActor(), SQLOK, SQLRES, and stmt_knownActor_insert.

Referenced by actionRowFromRollbackAction(), getRowsSince(), and migrate().

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getActorName()

const char * RollbackManager::getActorName ( const int  id )

private

References knownActors.

Referenced by actionRowsFromSelect(), and rollbackActionsFromActionRows().

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getEntriesSince()

std::list< RollbackAction > RollbackManager::getEntriesSince

(

time_t

first_time

)

References flush(), and getActionsSince().

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getNodeActors()

std::list< RollbackAction > RollbackManager::getNodeActors ( v3s16  pos, int  range, time_t  seconds, int  limit  )

virtual

Implements IRollbackManager.

References flush(), and getActionsSince_range().

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getNodeId()

int RollbackManager::getNodeId ( const std::string &  name )

private

References db, knownNodes, registerNewNode(), SQLOK, SQLRES, and stmt_knownNode_insert.

Referenced by actionRowFromRollbackAction(), and migrate().

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getNodeName()

const char * RollbackManager::getNodeName ( const int  id )

private

References knownNodes.

Referenced by rollbackActionsFromActionRows().

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getRevertActions()

std::list< RollbackAction > RollbackManager::getRevertActions ( const std::string &  actor_filter, time_t  seconds  )

virtual

Implements IRollbackManager.

References flush(), and getActionsSince().

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getRowsSince()

const std::list< ActionRow > RollbackManager::getRowsSince ( time_t  firstTime, const std::string &  actor  )

private

References actionRowsFromSelect(), getActorId(), stmt_select, and stmt_select_withActor.

Referenced by getActionsSince().

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getRowsSince_range()

const std::list< ActionRow > RollbackManager::getRowsSince_range ( time_t  firstTime, v3s16  p, int  range, int  limit  )

private

References actionRowsFromSelect(), p(), and stmt_select_range.

Referenced by getActionsSince_range().

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getSuspect()

std::string RollbackManager::getSuspect ( v3s16  p, float  nearness_shortcut, float  min_nearness  )

virtual

Implements IRollbackManager.

References action_latest_buffer, current_actor, getSuspectNearness(), and p().

Referenced by reportAction().

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getSuspectNearness()

float RollbackManager::getSuspectNearness ( bool  is_guess, v3s16  suspect_p, time_t  suspect_t, v3s16  action_p, time_t  action_t  )

staticprivate

References intToFloat(), and POINTS_PER_NODE.

Referenced by getSuspect().

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initDatabase()

bool RollbackManager::initDatabase ( )

private

References createTables(), database_path, db, fs::PathExists(), registerNewActor(), registerNewNode(), SQLOK, stmt_insert, stmt_knownActor_insert, stmt_knownActor_select, stmt_knownNode_insert, stmt_knownNode_select, stmt_replace, stmt_select, stmt_select_range, stmt_select_withActor, and verbosestream.

Referenced by RollbackManager().

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isActorGuess()

bool RollbackManager::isActorGuess ( )

virtual

Implements IRollbackManager.

References current_actor_is_guess.

migrate()

void RollbackManager::migrate ( const std::string &  filepath )

private

References ActionRow::actor, ActionRow::add, db, ItemStack::deSerialize(), deSerializeJsonString(), errorstream, getActorId(), getNodeId(), ActionRow::guessed, ItemStackRow::id, ActionRow::id, ActionRow::index, ActionRow::list, ActionRow::location, ItemStack::name, ActionRow::newMeta, ActionRow::newNode, ActionRow::newParam1, ActionRow::newParam2, ActionRow::oldMeta, ActionRow::oldNode, ActionRow::oldParam1, ActionRow::oldParam2, registerRow(), SQLOK, SQLRES, ActionRow::stack, ActionRow::timestamp, trim(), ActionRow::type, RollbackAction::TYPE_MODIFY_INVENTORY_STACK, RollbackAction::TYPE_SET_NODE, ActionRow::x, ActionRow::y, and ActionRow::z.

Referenced by RollbackManager().

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registerNewActor()

void RollbackManager::registerNewActor ( const int  id, const std::string &  name  )

private

References knownActors.

Referenced by getActorId(), and initDatabase().

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registerNewNode()

void RollbackManager::registerNewNode ( const int  id, const std::string &  name  )

private

References knownNodes.

Referenced by getNodeId(), and initDatabase().

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registerRow()

bool RollbackManager::registerRow ( const ActionRow &  row )

private

References ActionRow::actor, ActionRow::add, ItemStack::count, ActionRow::guessed, ItemStackRow::id, ActionRow::id, ActionRow::index, ActionRow::list, ActionRow::location, ActionRow::newMeta, ActionRow::newNode, ActionRow::newParam1, ActionRow::newParam2, ActionRow::oldMeta, ActionRow::oldNode, ActionRow::oldParam1, ActionRow::oldParam2, SQLOK, ActionRow::stack, stmt_insert, stmt_replace, ActionRow::timestamp, ActionRow::type, RollbackAction::TYPE_MODIFY_INVENTORY_STACK, RollbackAction::TYPE_SET_NODE, ActionRow::x, ActionRow::y, and ActionRow::z.

Referenced by flush(), and migrate().

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reportAction()

void RollbackManager::reportAction ( const RollbackAction &  action_ )

virtual

Implements IRollbackManager.

References RollbackAction::actor, RollbackAction::actor_is_guess, addAction(), current_actor, current_actor_is_guess, gamedef, RollbackAction::getPosition(), getSuspect(), RollbackAction::isImportant(), p(), and RollbackAction::unix_time.

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rollbackActionsFromActionRows()

const std::list< RollbackAction > RollbackManager::rollbackActionsFromActionRows ( const std::list< ActionRow > &  rows )

private

References RollbackAction::actor, getActorName(), getNodeName(), RollbackAction::inventory_add, RollbackAction::inventory_index, RollbackAction::inventory_list, RollbackAction::inventory_location, RollbackAction::inventory_stack, RollbackNode::meta, RollbackAction::n_new, RollbackAction::n_old, ItemStack::name, RollbackNode::name, RollbackAction::p, RollbackNode::param1, RollbackNode::param2, RollbackAction::type, RollbackAction::TYPE_MODIFY_INVENTORY_STACK, RollbackAction::TYPE_SET_NODE, and RollbackAction::unix_time.

Referenced by getActionsSince(), and getActionsSince_range().

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setActor()

void RollbackManager::setActor ( const std::string &  actor, bool  is_guess  )

virtual

Implements IRollbackManager.

References current_actor, and current_actor_is_guess.

Member Data Documentation

action_latest_buffer

std::list<RollbackAction> RollbackManager::action_latest_buffer

private

Referenced by addAction(), and getSuspect().

action_todisk_buffer

std::list<RollbackAction> RollbackManager::action_todisk_buffer

private

Referenced by addAction(), and flush().

current_actor

std::string RollbackManager::current_actor

private

Referenced by getActor(), getSuspect(), reportAction(), and setActor().

current_actor_is_guess

bool RollbackManager::current_actor_is_guess = false

private

Referenced by isActorGuess(), reportAction(), and setActor().

database_path

std::string RollbackManager::database_path

private

Referenced by RollbackManager(), and initDatabase().

db

sqlite3* RollbackManager::db

private

Referenced by ~RollbackManager(), createTables(), flush(), getActorId(), getNodeId(), initDatabase(), and migrate().

gamedef

IGameDef* RollbackManager::gamedef = nullptr

private

Referenced by reportAction().

knownActors

std::vector<Entity> RollbackManager::knownActors

private

Referenced by getActorId(), getActorName(), and registerNewActor().

knownNodes

std::vector<Entity> RollbackManager::knownNodes

private

Referenced by getNodeId(), getNodeName(), and registerNewNode().

stmt_insert

sqlite3_stmt* RollbackManager::stmt_insert

private

Referenced by ~RollbackManager(), initDatabase(), and registerRow().

stmt_knownActor_insert

sqlite3_stmt* RollbackManager::stmt_knownActor_insert

private

Referenced by ~RollbackManager(), getActorId(), and initDatabase().

stmt_knownActor_select

sqlite3_stmt* RollbackManager::stmt_knownActor_select

private

Referenced by ~RollbackManager(), and initDatabase().

stmt_knownNode_insert

sqlite3_stmt* RollbackManager::stmt_knownNode_insert

private

Referenced by ~RollbackManager(), getNodeId(), and initDatabase().

stmt_knownNode_select

sqlite3_stmt* RollbackManager::stmt_knownNode_select

private

Referenced by ~RollbackManager(), and initDatabase().

stmt_replace

sqlite3_stmt* RollbackManager::stmt_replace

private

Referenced by ~RollbackManager(), initDatabase(), and registerRow().

stmt_select

sqlite3_stmt* RollbackManager::stmt_select

private

Referenced by ~RollbackManager(), getRowsSince(), and initDatabase().

stmt_select_range

sqlite3_stmt* RollbackManager::stmt_select_range

private

Referenced by ~RollbackManager(), getRowsSince_range(), and initDatabase().

stmt_select_withActor

sqlite3_stmt* RollbackManager::stmt_select_withActor

private

Referenced by ~RollbackManager(), getRowsSince(), and initDatabase().

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The documentation for this class was generated from the following files:

• rollback.h
• rollback.cpp