sdbConnectionPool.hpp

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/*******************************************************************************


   Copyright (C) 2011-2018 SequoiaDB Ltd.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

   Source File Name = sdbConnectionPool.hpp

   Descriptive Name = SDB Connection Pool Include Header

   When/how to use: this program may be used on sequoiadb connection pool function.

   Dependencies: N/A

   Restrictions: N/A

   Change Activity:
   defect Date        Who Description
   ====== =========== === ==============================================
         06/30/2016  LXJ  Initial Draft

   Last Changed =

*******************************************************************************/

#ifndef SDB_CONNECTIONPOOL_HPP_
#define SDB_CONNECTIONPOOL_HPP_

#include "sdbConnectionPoolComm.hpp"

#ifndef SDB_CLIENT
#define SDB_CLIENT
#endif

namespace sdbclient
{
   class sdbConnectionPoolImpl ;

   class DLLEXPORT sdbConnectionPool
   {
   public:
      sdbConnectionPool() ;

      ~sdbConnectionPool() ;

   private:
      sdbConnectionPool( const sdbConnectionPool &connPool ) ;
      sdbConnectionPool& operator=( const sdbConnectionPool &connPool ) ;

   public:
      INT32 init( const std::string &address, const sdbConnectionPoolConf &conf ) ;

      INT32 init(
         const std::vector<std::string> &addrs,
         const sdbConnectionPoolConf &conf ) ;

      INT32 getIdleConnNum() const  ;

      INT32 getUsedConnNum() const  ;

      INT32 getNormalAddrNum() const  ;

      INT32 getAbnormalAddrNum() const  ;

      INT32 getLocalAddrNum() const  ;

      INT32 getConnection( sdb*& conn, INT64 timeoutms = 5000 ) ;

      void releaseConnection( sdb*& conn ) ;

      INT32 close() ;

      void updateAuthInfo( const string &username, const string &passwd ) ;

      void updateAuthInfo( const string &username, const string &cipherFile,
                           const string &token ) ;

      INT32 updateAddress( const std::vector<std::string> &addrs ) ;

   private:
      sdbConnectionPoolImpl *_pImpl ;
   } ;
}

#endif /* SDB_CONNECTIONPOOL_HPP_ */