C++ (Cpp) DBInterface::attach Examples

Example #1

File: db_interface.cpp Project: Orav/kbengine

//-------------------------------------------------------------------------------------
DBInterface* DBUtil::createInterface(const std::string& name, bool showinfo)
{
	DBInterfaceInfo* pDBInfo = g_kbeSrvConfig.dbInterface(name);
	if (!pDBInfo)
	{
		ERROR_MSG(fmt::format("DBUtil::createInterface: not found dbInterface({})\n",
			name));

		return NULL;
	}

	DBInterface* dbinterface = NULL;

	if (strcmp(pDBInfo->db_type, "mysql") == 0)
	{
		dbinterface = new DBInterfaceMysql(name.c_str(), pDBInfo->db_unicodeString_characterSet, pDBInfo->db_unicodeString_collation);
	}
	else if (strcmp(pDBInfo->db_type, "redis") == 0)
	{
		dbinterface = new DBInterfaceRedis(name.c_str());
	}

	if(dbinterface == NULL)
	{
		ERROR_MSG(fmt::format("DBUtil::createInterface: create db_interface error! type={}\n",
			pDBInfo->db_type));

		return NULL;
	}
	
	kbe_snprintf(dbinterface->db_type_, MAX_BUF, "%s", pDBInfo->db_type);
	dbinterface->db_port_ = pDBInfo->db_port;
	kbe_snprintf(dbinterface->db_ip_, MAX_IP, "%s", pDBInfo->db_ip);
	kbe_snprintf(dbinterface->db_username_, MAX_BUF, "%s", pDBInfo->db_username);
	dbinterface->db_numConnections_ = pDBInfo->db_numConnections;
	kbe_snprintf(dbinterface->db_password_, MAX_BUF, "%s", pDBInfo->db_password);

	if (!dbinterface->attach(pDBInfo->db_name))
	{
		ERROR_MSG(fmt::format("DBUtil::createInterface: attach to database failed!\n\tdbinterface={0:p}\n\targs={1}\n",
			(void*)&dbinterface, dbinterface->c_str()));

		delete dbinterface;
		return NULL;
	}
	else
	{
		if(showinfo)
		{
			INFO_MSG(fmt::format("DBUtil::createInterface[{0:p}]: {1}\n", (void*)&dbinterface, 
				dbinterface->c_str()));
		}
	}

	return dbinterface;
}

Example #2

File: db_interface.cpp Project: mysll/kbengine

//-------------------------------------------------------------------------------------
DBInterface* DBUtil::createInterface(bool showinfo)
{
	ENGINE_COMPONENT_INFO& dbcfg = g_kbeSrvConfig.getDBMgr();
	DBInterface* dbinterface = NULL;

	if(strcmp(dbcfg.db_type, "mysql") == 0)
	{
		dbinterface = new DBInterfaceMysql(dbcfg.db_unicodeString_characterSet, dbcfg.db_unicodeString_collation);
	}
	else if(strcmp(dbcfg.db_type, "redis") == 0)
	{
		dbinterface = new DBInterfaceRedis();
	}

	if(dbinterface == NULL)
	{
		ERROR_MSG(fmt::format("DBUtil::createInterface: create db_interface error! type={}\n",
			dbcfg.db_type));

		return NULL;
	}
	
	kbe_snprintf(dbinterface->db_type_, MAX_BUF, "%s", dbcfg.db_type);
	dbinterface->db_port_ = dbcfg.db_port;	
	kbe_snprintf(dbinterface->db_ip_, MAX_IP, "%s", dbcfg.db_ip);
	kbe_snprintf(dbinterface->db_username_, MAX_BUF, "%s", dbcfg.db_username);
	dbinterface->db_numConnections_ = dbcfg.db_numConnections;
	kbe_snprintf(dbinterface->db_password_, MAX_BUF, "%s", dbcfg.db_password);

	if(!dbinterface->attach(DBUtil::dbname()))
	{
		ERROR_MSG(fmt::format("DBUtil::createInterface: attach to database failed!\n\tdbinterface={0:p}\n\targs={1}\n",
			(void*)&dbinterface, dbinterface->c_str()));

		delete dbinterface;
		return NULL;
	}
	else
	{
		if(showinfo)
		{
			INFO_MSG(fmt::format("DBUtil::createInterface[{0:p}]: {1}\n", (void*)&dbinterface, 
				dbinterface->c_str()));
		}
	}

	return dbinterface;
}

Example #3

File: db_interface.cpp Project: sdsgwangpeng/kbengine

//-------------------------------------------------------------------------------------
DBInterface* DBUtil::createInterface(bool showinfo)
{
	ENGINE_COMPONENT_INFO& dbcfg = g_kbeSrvConfig.getDBMgr();
	DBInterface* dbinterface = NULL;

	if(strcmp(dbcfg.db_type, "mysql") == 0)
	{
		dbinterface = new DBInterfaceMysql;
	}

	kbe_snprintf(dbinterface->db_type_, MAX_BUF, "%s", dbcfg.db_type);
	dbinterface->db_port_ = dbcfg.db_port;	
	kbe_snprintf(dbinterface->db_ip_, MAX_IP, "%s", dbcfg.db_ip);
	kbe_snprintf(dbinterface->db_username_, MAX_BUF, "%s", dbcfg.db_username);
	kbe_snprintf(dbinterface->db_password_, MAX_BUF, "%s", dbcfg.db_password);
	dbinterface->db_numConnections_ = dbcfg.db_numConnections;
	
	if(dbinterface == NULL)
	{
		ERROR_MSG("DBUtil::createInterface: can't create dbinterface!\n");
		return NULL;
	}

	if(!dbinterface->attach(DBUtil::dbname()))
	{
		ERROR_MSG("DBUtil::createInterface: can't attach to database!\n\tdbinterface=%p\n\targs=%s", 
			&dbinterface, dbinterface->c_str());

		delete dbinterface;
		return NULL;
	}
	else
	{
		if(showinfo)
		{
			INFO_MSG("DBUtil::createInterface[%p]: %s\n", &dbinterface, dbinterface->c_str());
		}
	}

	return dbinterface;
}