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authorSmallJoker <mk939@ymail.com>2019-09-10 21:18:42 +0200
committerSmallJoker <mk939@ymail.com>2019-09-14 19:43:08 +0200
commit9acd36bf9981cf9cb8e82785508d6eb7f010cc77 (patch)
tree6f0fae04efa009e8fd0a13dd0ab613c8010ae764 /src/voxelalgorithms.cpp
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Formspecs: Introduce formspec_version to mods
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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-31 20:39:43 +0000
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/*
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.
*/

#include "config.h"

#if USE_LEVELDB

#include "database-leveldb.h"

#include "log.h"
#include "filesys.h"
#include "exceptions.h"
#include "util/serialize.h"
#include "util/string.h"

#include "leveldb/db.h"


#define ENSURE_STATUS_OK(s) \
	if (!(s).ok()) { \
		throw DatabaseException(std::string("LevelDB error: ") + \
				(s).ToString()); \
	}


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);
	ENSURE_STATUS_OK(status);
}

Database_LevelDB::~Database_LevelDB()
{
	delete m_database;
}

bool Database_LevelDB::saveBlock(const v3s16 &pos, const std::string &data)
{
	leveldb::Status status = m_database->Put(leveldb::WriteOptions(),
			i64tos(getBlockAsInteger(pos)), data);
	if (!status.ok()) {
		warningstream << "saveBlock: LevelDB error saving block "
			<< PP(pos) << ": " << status.ToString() << std::endl;
		return false;
	}

	return true;
}

void Database_LevelDB::loadBlock(const v3s16 &pos, std::string *block)
{
	std::string datastr;