index : minetest.git	gpcf lifo-fixes release
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	Commit message (Collapse)	Author	Age
*	Re-master and improve touchscreen gui icons (#7931)	stujones11	2018-12-03
	Increase the resolution of the smaller icons to look better on modern HD screens. All master SVGs included in the the Android build directory.

generated by cgit v1.2.3 (git 2.39.1) at 2025-02-06 15:23:45 +0000

/*
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/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;
	leveldb::Status status = m_database->Get(leveldb::ReadOptions(),
		i64tos(getBlockAsInteger(pos)), &datastr);

	*block = (status.ok()) ? datastr : "";
}

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

	return true;
}

void Database_LevelDB::listAllLoadableBlocks(std::vector<v3s16> &dst)
{
	leveldb::Iterator* it = m_database->NewIterator(leveldb::ReadOptions());
	for (it->SeekToFirst(); it->Valid(); it->Next()) {
		dst.push_back(getIntegerAsBlock(stoi64(it->key().ToString())));
	}
	ENSURE_STATUS_OK(it->status());  // Check for any errors found during the scan
	delete it;
}

#endif // USE_LEVELDB