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authorVitaliy <silverunicorn2011@yandex.ru>2017-11-09 01:56:20 +0300
committerLoïc Blot <nerzhul@users.noreply.github.com>2017-11-08 23:56:20 +0100
commit20a85d76d94c9c5c7fbe198c3d0e1fbee97a485f (patch)
tree67378802190117d8271b3b6d489a92bcb16203b7 /src/database-postgresql.h
parentfc9747eb4b7f75e59a28957bc50f7a78256b3d66 (diff)
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Move files to subdirectories (#6599)
* Move files around
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-/*
-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.
-*/
-
-#pragma once
-
-#include <string>
-#include <libpq-fe.h>
-#include "database.h"
-#include "util/basic_macros.h"
-
-class Settings;
-
-class Database_PostgreSQL: public Database
-{
-public:
- Database_PostgreSQL(const std::string &connect_string);
- ~Database_PostgreSQL();
-
- void beginSave();
- void endSave();
-
- bool initialized() const;
-
-
-protected:
- // Conversion helpers
- inline int pg_to_int(PGresult *res, int row, int col)
- {
- return atoi(PQgetvalue(res, row, col));
- }
-
- inline u32 pg_to_uint(PGresult *res, int row, int col)
- {
- return (u32) atoi(PQgetvalue(res, row, col));
- }
-
- inline float pg_to_float(PGresult *res, int row, int col)
- {
- return (float) atof(PQgetvalue(res, row, col));
- }
-
- inline v3s16 pg_to_v3s16(PGresult *res, int row, int col)
- {
- return v3s16(
- pg_to_int(res, row, col),
- pg_to_int(res, row, col + 1),
- pg_to_int(res, row, col + 2)
- );
- }
-
- inline PGresult *execPrepared(const char *stmtName, const int paramsNumber,
- const void **params,
- const int *paramsLengths = NULL, const int *paramsFormats = NULL,
- bool clear = true, bool nobinary = true)
- {
- return checkResults(PQexecPrepared(m_conn, stmtName, paramsNumber,
- (const char* const*) params, paramsLengths, paramsFormats,
- nobinary ? 1 : 0), clear);
- }
-
- inline PGresult *execPrepared(const char *stmtName, const int paramsNumber,
- const char **params, bool clear = true, bool nobinary = true)
- {
- return execPrepared(stmtName, paramsNumber,
- (const void **)params, NULL, NULL, clear, nobinary);
- }
-
- void createTableIfNotExists(const std::string &table_name, const std::string &definition);
- void verifyDatabase();
-
- // Database initialization
- void connectToDatabase();
- virtual void createDatabase() = 0;
- virtual void initStatements() = 0;
- inline void prepareStatement(const std::string &name, const std::string &sql)
- {
- checkResults(PQprepare(m_conn, name.c_str(), sql.c_str(), 0, NULL));
- }
-
- const int getPGVersion() const { return m_pgversion; }
-private:
- // Database connectivity checks
- void ping();
-
- // Database usage
- PGresult *checkResults(PGresult *res, bool clear = true);
-
- // Attributes
- std::string m_connect_string;
- PGconn *m_conn = nullptr;
- int m_pgversion = 0;
-};
-
-class MapDatabasePostgreSQL : private Database_PostgreSQL, public MapDatabase
-{
-public:
- MapDatabasePostgreSQL(const std::string &connect_string);
- virtual ~MapDatabasePostgreSQL() = default;
-
- bool saveBlock(const v3s16 &pos, const std::string &data);
- void loadBlock(const v3s16 &pos, std::string *block);
- bool deleteBlock(const v3s16 &pos);
- void listAllLoadableBlocks(std::vector<v3s16> &dst);
-
- void beginSave() { Database_PostgreSQL::beginSave(); }
- void endSave() { Database_PostgreSQL::endSave(); }
-
-protected:
- virtual void createDatabase();
- virtual void initStatements();
-};
-
-class PlayerDatabasePostgreSQL : private Database_PostgreSQL, public PlayerDatabase
-{
-public:
- PlayerDatabasePostgreSQL(const std::string &connect_string);
- virtual ~PlayerDatabasePostgreSQL() = default;
-
- void savePlayer(RemotePlayer *player);
- bool loadPlayer(RemotePlayer *player, PlayerSAO *sao);
- bool removePlayer(const std::string &name);
- void listPlayers(std::vector<std::string> &res);
-
-protected:
- virtual void createDatabase();
- virtual void initStatements();
-
-private:
- bool playerDataExists(const std::string &playername);
-};