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.
24 #include "database-leveldb.h"
25 #include "leveldb/db.h"
28 #include "mapsector.h"
30 #include "serialization.h"
36 #define ENSURE_STATUS_OK(s) \
38 throw FileNotGoodException(std::string("LevelDB error: ") + (s).ToString()); \
41 Database_LevelDB::Database_LevelDB(ServerMap *map, std::string savedir)
43 leveldb::Options options;
44 options.create_if_missing = true;
45 leveldb::Status status = leveldb::DB::Open(options, savedir + DIR_DELIM + "map.db", &m_database);
46 ENSURE_STATUS_OK(status);
50 int Database_LevelDB::Initialized(void)
55 void Database_LevelDB::beginSave() {}
56 void Database_LevelDB::endSave() {}
58 bool Database_LevelDB::saveBlock(v3s16 blockpos, std::string &data)
60 leveldb::Status status = m_database->Put(leveldb::WriteOptions(),
61 i64tos(getBlockAsInteger(blockpos)), data);
63 errorstream << "WARNING: saveBlock: LevelDB error saving block "
64 << PP(blockpos) << ": " << status.ToString() << std::endl;
71 std::string Database_LevelDB::loadBlock(v3s16 blockpos)
74 leveldb::Status status = m_database->Get(leveldb::ReadOptions(),
75 i64tos(getBlockAsInteger(blockpos)), &datastr);
83 bool Database_LevelDB::deleteBlock(v3s16 blockpos)
85 leveldb::Status status = m_database->Delete(leveldb::WriteOptions(),
86 i64tos(getBlockAsInteger(blockpos)));
88 errorstream << "WARNING: deleteBlock: LevelDB error deleting block "
89 << PP(blockpos) << ": " << status.ToString() << std::endl;
96 void Database_LevelDB::listAllLoadableBlocks(std::vector<v3s16> &dst)
98 leveldb::Iterator* it = m_database->NewIterator(leveldb::ReadOptions());
99 for (it->SeekToFirst(); it->Valid(); it->Next()) {
100 dst.push_back(getIntegerAsBlock(stoi64(it->key().ToString())));
102 ENSURE_STATUS_OK(it->status()); // Check for any errors found during the scan
106 Database_LevelDB::~Database_LevelDB()