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Clean up database API and save the local map on an interval

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This commit is contained in:
ShadowNinja 2014-11-16 15:31:57 -05:00
parent c7454d4732
commit 708337dfc2
16 changed files with 391 additions and 519 deletions
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52
src/database-leveldb.cpp
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@ -22,57 +22,54 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#if USE_LEVELDB
#include "database-leveldb.h"
#include "leveldb/db.h"
#include "map.h"
#include "mapsector.h"
#include "mapblock.h"
#include "serialization.h"
#include "main.h"
#include "settings.h"
#include "log.h"
#include "filesys.h"
#include "exceptions.h"
#include "util/string.h"
#include "leveldb/db.h"
#define ENSURE_STATUS_OK(s) \
if (!(s).ok()) { \
throw FileNotGoodException(std::string("LevelDB error: ") + (s).ToString()); \
throw FileNotGoodException(std::string("LevelDB error: ") + \
(s).ToString()); \
}
Database_LevelDB::Database_LevelDB(ServerMap *map, std::string savedir)
Database_LevelDB::Database_LevelDB(const std::string &savedir)
{
leveldb::Options options;
options.create_if_missing = true;
leveldb::Status status = leveldb::DB::Open(options, savedir + DIR_DELIM + "map.db", &m_database);
leveldb::Status status = leveldb::DB::Open(options,
savedir + DIR_DELIM + "map.db", &m_database);
ENSURE_STATUS_OK(status);
srvmap = map;
}
int Database_LevelDB::Initialized(void)
Database_LevelDB::~Database_LevelDB()
{
return 1;
delete m_database;
}
void Database_LevelDB::beginSave() {}
void Database_LevelDB::endSave() {}
bool Database_LevelDB::saveBlock(v3s16 blockpos, std::string &data)
bool Database_LevelDB::saveBlock(const v3s16 &pos, const std::string &data)
{
leveldb::Status status = m_database->Put(leveldb::WriteOptions(),
i64tos(getBlockAsInteger(blockpos)), data);
i64tos(getBlockAsInteger(pos)), data);
if (!status.ok()) {
errorstream << "WARNING: saveBlock: LevelDB error saving block "
<< PP(blockpos) << ": " << status.ToString() << std::endl;
<< PP(pos) << ": " << status.ToString() << std::endl;
return false;
}
return true;
}
std::string Database_LevelDB::loadBlock(v3s16 blockpos)
std::string Database_LevelDB::loadBlock(const v3s16 &pos)
{
std::string datastr;
leveldb::Status status = m_database->Get(leveldb::ReadOptions(),
i64tos(getBlockAsInteger(blockpos)), &datastr);
i64tos(getBlockAsInteger(pos)), &datastr);
if(status.ok())
return datastr;
@ -80,13 +77,13 @@ std::string Database_LevelDB::loadBlock(v3s16 blockpos)
return "";
}
bool Database_LevelDB::deleteBlock(v3s16 blockpos)
bool Database_LevelDB::deleteBlock(const v3s16 &pos)
{
leveldb::Status status = m_database->Delete(leveldb::WriteOptions(),
i64tos(getBlockAsInteger(blockpos)));
i64tos(getBlockAsInteger(pos)));
if (!status.ok()) {
errorstream << "WARNING: deleteBlock: LevelDB error deleting block "
<< PP(blockpos) << ": " << status.ToString() << std::endl;
<< PP(pos) << ": " << status.ToString() << std::endl;
return false;
}
@ -103,8 +100,5 @@ void Database_LevelDB::listAllLoadableBlocks(std::vector<v3s16> &dst)
delete it;
}
Database_LevelDB::~Database_LevelDB()
{
delete m_database;
}
#endif
#endif // USE_LEVELDB