+ if (block->m_static_objects.m_stored.size() >= g_settings->getU16("max_objects_per_block")) {
+ warningstream << "ServerEnv: Trying to store id = " << store_id
+ << " statically but block " << PP(blockpos)
+ << " already contains "
+ << block->m_static_objects.m_stored.size()
+ << " objects." << std::endl;
+ return false;
+ }
+
+ block->m_static_objects.insert(store_id, s_obj);
+ if (mod_reason != MOD_REASON_UNKNOWN) // Do not mark as modified if requested
+ block->raiseModified(MOD_STATE_WRITE_NEEDED, mod_reason);
+
+ obj->m_static_exists = true;
+ obj->m_static_block = blockpos;
+
+ return true;
+}
+
+PlayerDatabase *ServerEnvironment::openPlayerDatabase(const std::string &name,
+ const std::string &savedir, const Settings &conf)
+{
+
+ if (name == "sqlite3")
+ return new PlayerDatabaseSQLite3(savedir);
+
+ if (name == "dummy")
+ return new Database_Dummy();
+#if USE_POSTGRESQL
+ if (name == "postgresql") {
+ std::string connect_string;
+ conf.getNoEx("pgsql_player_connection", connect_string);
+ return new PlayerDatabasePostgreSQL(connect_string);
+ }
+#endif
+ if (name == "files")
+ return new PlayerDatabaseFiles(savedir + DIR_DELIM + "players");
+
+ throw BaseException(std::string("Database backend ") + name + " not supported.");
+}
+
+bool ServerEnvironment::migratePlayersDatabase(const GameParams &game_params,
+ const Settings &cmd_args)
+{
+ std::string migrate_to = cmd_args.get("migrate-players");
+ Settings world_mt;
+ std::string world_mt_path = game_params.world_path + DIR_DELIM + "world.mt";
+ if (!world_mt.readConfigFile(world_mt_path.c_str())) {
+ errorstream << "Cannot read world.mt!" << std::endl;
+ return false;
+ }
+
+ if (!world_mt.exists("player_backend")) {
+ errorstream << "Please specify your current backend in world.mt:"
+ << std::endl
+ << " player_backend = {files|sqlite3|postgresql}"
+ << std::endl;
+ return false;
+ }
+
+ std::string backend = world_mt.get("player_backend");
+ if (backend == migrate_to) {
+ errorstream << "Cannot migrate: new backend is same"
+ << " as the old one" << std::endl;
+ return false;
+ }
+
+ const std::string players_backup_path = game_params.world_path + DIR_DELIM
+ + "players.bak";
+
+ if (backend == "files") {
+ // Create backup directory
+ fs::CreateDir(players_backup_path);
+ }
+
+ try {
+ PlayerDatabase *srcdb = ServerEnvironment::openPlayerDatabase(backend,
+ game_params.world_path, world_mt);
+ PlayerDatabase *dstdb = ServerEnvironment::openPlayerDatabase(migrate_to,
+ game_params.world_path, world_mt);
+
+ std::vector<std::string> player_list;
+ srcdb->listPlayers(player_list);
+ for (std::vector<std::string>::const_iterator it = player_list.begin();
+ it != player_list.end(); ++it) {
+ actionstream << "Migrating player " << it->c_str() << std::endl;
+ RemotePlayer player(it->c_str(), NULL);
+ PlayerSAO playerSAO(NULL, &player, 15000, false);
+
+ srcdb->loadPlayer(&player, &playerSAO);
+
+ playerSAO.finalize(&player, std::set<std::string>());
+ player.setPlayerSAO(&playerSAO);
+
+ dstdb->savePlayer(&player);
+
+ // For files source, move player files to backup dir
+ if (backend == "files") {
+ fs::Rename(
+ game_params.world_path + DIR_DELIM + "players" + DIR_DELIM + (*it),
+ players_backup_path + DIR_DELIM + (*it));
+ }
+ }
+
+ actionstream << "Successfully migrated " << player_list.size() << " players"
+ << std::endl;
+ world_mt.set("player_backend", migrate_to);
+ if (!world_mt.updateConfigFile(world_mt_path.c_str()))
+ errorstream << "Failed to update world.mt!" << std::endl;
+ else
+ actionstream << "world.mt updated" << std::endl;
+
+ // When migration is finished from file backend, remove players directory if empty
+ if (backend == "files") {
+ fs::DeleteSingleFileOrEmptyDirectory(game_params.world_path + DIR_DELIM
+ + "players");
+ }
+
+ delete srcdb;
+ delete dstdb;
+
+ } catch (BaseException &e) {
+ errorstream << "An error occured during migration: " << e.what() << std::endl;
+ return false;
+ }
+ return true;