+/*
+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 "leveldb/db.h"
+
#include "map.h"
#include "mapsector.h"
#include "mapblock.h"
+#include "serialization.h"
#include "main.h"
-#include "filesys.h"
-#include "voxel.h"
-#include "porting.h"
-#include "mapgen.h"
-#include "nodemetadata.h"
#include "settings.h"
#include "log.h"
-#include "profiler.h"
-#include "nodedef.h"
-#include "gamedef.h"
-#include "util/directiontables.h"
-#include "rollback_interface.h"
-
-#include "database-leveldb.h"
-#include "leveldb/db.h"
Database_LevelDB::Database_LevelDB(ServerMap *map, std::string savedir)
{
v2s16 p2d(blockpos.X, blockpos.Z);
std::string datastr;
- leveldb::Status s = m_database->Get(leveldb::ReadOptions(), i64tos(getBlockAsInteger(blockpos)), &datastr);
+ leveldb::Status s = m_database->Get(leveldb::ReadOptions(),
+ i64tos(getBlockAsInteger(blockpos)), &datastr);
+ if (datastr.length() == 0 && s.ok()) {
+ errorstream << "Blank block data in database (datastr.length() == 0) ("
+ << blockpos.X << "," << blockpos.Y << "," << blockpos.Z << ")" << std::endl;
+
+ if (g_settings->getBool("ignore_world_load_errors")) {
+ errorstream << "Ignoring block load error. Duck and cover! "
+ << "(ignore_world_load_errors)" << std::endl;
+ } else {
+ throw SerializationError("Blank block data in database");
+ }
+ return NULL;
+ }
- if(s.ok()) {
- /*
- Make sure sector is loaded
- */
- MapSector *sector = srvmap->createSector(p2d);
+ if (s.ok()) {
+ /*
+ Make sure sector is loaded
+ */
+ MapSector *sector = srvmap->createSector(p2d);
try {
- std::istringstream is(datastr, std::ios_base::binary);
- u8 version = SER_FMT_VER_INVALID;
- is.read((char*)&version, 1);
-
- if(is.fail())
- throw SerializationError("ServerMap::loadBlock(): Failed"
- " to read MapBlock version");
-
- MapBlock *block = NULL;
- bool created_new = false;
- block = sector->getBlockNoCreateNoEx(blockpos.Y);
- if(block == NULL)
- {
- block = sector->createBlankBlockNoInsert(blockpos.Y);
- created_new = true;
- }
- // Read basic data
- block->deSerialize(is, version, true);
- // If it's a new block, insert it to the map
- if(created_new)
- sector->insertBlock(block);
- /*
- Save blocks loaded in old format in new format
- */
-
- //if(version < SER_FMT_VER_HIGHEST || save_after_load)
- // Only save if asked to; no need to update version
- //if(save_after_load)
- // saveBlock(block);
- // We just loaded it from, so it's up-to-date.
- block->resetModified();
-
- }
- catch(SerializationError &e)
- {
- errorstream<<"Invalid block data in database"
- <<" ("<<blockpos.X<<","<<blockpos.Y<<","<<blockpos.Z<<")"
- <<" (SerializationError): "<<e.what()<<std::endl;
- // TODO: Block should be marked as invalid in memory so that it is
- // not touched but the game can run
-
- if(g_settings->getBool("ignore_world_load_errors")){
- errorstream<<"Ignoring block load error. Duck and cover! "
- <<"(ignore_world_load_errors)"<<std::endl;
- } else {
- throw SerializationError("Invalid block data in database");
- //assert(0);
- }
- }
-
- return srvmap->getBlockNoCreateNoEx(blockpos); // should not be using this here
- }
- return(NULL);
+ std::istringstream is(datastr, std::ios_base::binary);
+ u8 version = SER_FMT_VER_INVALID;
+ is.read((char *)&version, 1);
+
+ if (is.fail())
+ throw SerializationError("ServerMap::loadBlock(): Failed"
+ " to read MapBlock version");
+
+ MapBlock *block = NULL;
+ bool created_new = false;
+ block = sector->getBlockNoCreateNoEx(blockpos.Y);
+ if (block == NULL)
+ {
+ block = sector->createBlankBlockNoInsert(blockpos.Y);
+ created_new = true;
+ }
+
+ // Read basic data
+ block->deSerialize(is, version, true);
+
+ // If it's a new block, insert it to the map
+ if (created_new)
+ sector->insertBlock(block);
+
+ /*
+ Save blocks loaded in old format in new format
+ */
+ //if(version < SER_FMT_VER_HIGHEST || save_after_load)
+ // Only save if asked to; no need to update version
+ //if(save_after_load)
+ // saveBlock(block);
+ // We just loaded it from, so it's up-to-date.
+ block->resetModified();
+ }
+ catch (SerializationError &e)
+ {
+ errorstream << "Invalid block data in database"
+ << " (" << blockpos.X << "," << blockpos.Y << "," << blockpos.Z
+ << ") (SerializationError): " << e.what() << std::endl;
+ // TODO: Block should be marked as invalid in memory so that it is
+ // not touched but the game can run
+
+ if (g_settings->getBool("ignore_world_load_errors")) {
+ errorstream << "Ignoring block load error. Duck and cover! "
+ << "(ignore_world_load_errors)" << std::endl;
+ } else {
+ throw SerializationError("Invalid block data in database");
+ //assert(0);
+ }
+ }
+
+ return srvmap->getBlockNoCreateNoEx(blockpos); // should not be using this here
+ }
+ return NULL;
}
void Database_LevelDB::listAllLoadableBlocks(std::list<v3s16> &dst)