3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include "database-leveldb.h"
29 #include "leveldb/db.h"
32 #include "mapsector.h"
34 #include "serialization.h"
39 #define ENSURE_STATUS_OK(s) \
41 throw FileNotGoodException(std::string("LevelDB error: ") + (s).ToString()); \
44 Database_LevelDB::Database_LevelDB(ServerMap *map, std::string savedir)
46 leveldb::Options options;
47 options.create_if_missing = true;
48 leveldb::Status status = leveldb::DB::Open(options, savedir + DIR_DELIM + "map.db", &m_database);
49 ENSURE_STATUS_OK(status);
53 int Database_LevelDB::Initialized(void)
58 void Database_LevelDB::beginSave() {}
59 void Database_LevelDB::endSave() {}
61 bool Database_LevelDB::saveBlock(v3s16 blockpos, std::string &data)
63 leveldb::Status status = m_database->Put(leveldb::WriteOptions(),
64 i64tos(getBlockAsInteger(blockpos)), data);
66 errorstream << "WARNING: saveBlock: LevelDB error saving block "
67 << PP(blockpos) << ": " << status.ToString() << std::endl;
74 std::string Database_LevelDB::loadBlock(v3s16 blockpos)
77 leveldb::Status status = m_database->Get(leveldb::ReadOptions(),
78 i64tos(getBlockAsInteger(blockpos)), &datastr);
86 void Database_LevelDB::listAllLoadableBlocks(std::list<v3s16> &dst)
88 leveldb::Iterator* it = m_database->NewIterator(leveldb::ReadOptions());
89 for (it->SeekToFirst(); it->Valid(); it->Next()) {
90 dst.push_back(getIntegerAsBlock(stoi64(it->key().ToString())));
92 ENSURE_STATUS_OK(it->status()); // Check for any errors found during the scan
96 Database_LevelDB::~Database_LevelDB()