interfaces.cpp
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- /*
- * ===========================================================================
- * PRODUCTION $Log: interfaces.cpp,v $
- * PRODUCTION Revision 1000.1 2004/06/01 19:19:11 gouriano
- * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.9
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: interfaces.cpp,v 1000.1 2004/06/01 19:19:11 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Author: Vladimir Soussov
- *
- * File Description: Data Server public interfaces
- *
- */
- #include <ncbi_pch.hpp>
- #include <dbapi/driver/interfaces.hpp>
- #include <dbapi/driver/public.hpp>
- BEGIN_NCBI_SCOPE
- ////////////////////////////////////////////////////////////////////////////
- // I_ITDescriptor::
- //
- I_ITDescriptor::~I_ITDescriptor()
- {
- return;
- }
- ////////////////////////////////////////////////////////////////////////////
- // CDB_BaseEnt::
- //
- void CDB_BaseEnt::Release()
- {
- m_BR = 0;
- }
- CDB_BaseEnt::~CDB_BaseEnt()
- {
- if (m_BR)
- *m_BR = 0;
- }
- CDB_Result* CDB_BaseEnt::Create_Result(I_Result& result)
- {
- return new CDB_Result(&result);
- }
- ////////////////////////////////////////////////////////////////////////////
- // I_BaseCmd::
- // I_LangCmd::
- // I_RPCCmd::
- // I_BCPInCmd::
- // I_CursorCmd::
- // I_SendDataCmd::
- //
- I_BaseCmd::~I_BaseCmd()
- {
- return;
- }
- I_LangCmd::~I_LangCmd()
- {
- return;
- }
- I_RPCCmd::~I_RPCCmd()
- {
- return;
- }
- I_BCPInCmd::~I_BCPInCmd()
- {
- return;
- }
- I_CursorCmd::~I_CursorCmd()
- {
- return;
- }
- I_SendDataCmd::~I_SendDataCmd()
- {
- return;
- }
- ////////////////////////////////////////////////////////////////////////////
- // I_Result::
- //
- I_Result::~I_Result()
- {
- return;
- }
- ////////////////////////////////////////////////////////////////////////////
- // I_DriverContext::
- //
- I_DriverContext::I_DriverContext()
- {
- PushCntxMsgHandler ( &CDB_UserHandler::GetDefault() );
- PushDefConnMsgHandler ( &CDB_UserHandler::GetDefault() );
- }
- void I_DriverContext::PushCntxMsgHandler(CDB_UserHandler* h)
- {
- CFastMutexGuard mg(m_Mtx);
- m_CntxHandlers.Push(h);
- }
- void I_DriverContext::PopCntxMsgHandler(CDB_UserHandler* h)
- {
- CFastMutexGuard mg(m_Mtx);
- m_CntxHandlers.Pop(h);
- }
- void I_DriverContext::PushDefConnMsgHandler(CDB_UserHandler* h)
- {
- CFastMutexGuard mg(m_Mtx);
- m_ConnHandlers.Push(h);
- }
- void I_DriverContext::PopDefConnMsgHandler(CDB_UserHandler* h)
- {
- CFastMutexGuard mg(m_Mtx);
- m_ConnHandlers.Pop(h);
- }
- void I_DriverContext::x_Recycle(I_Connection* conn, bool conn_reusable)
- {
- CFastMutexGuard mg(m_Mtx);
- m_InUse.Remove((TPotItem) conn);
- if ( conn_reusable ) {
- m_NotInUse.Add((TPotItem) conn);
- } else {
- delete conn;
- }
- }
- void I_DriverContext::CloseUnusedConnections(const string& srv_name,
- const string& pool_name)
- {
- CFastMutexGuard mg(m_Mtx);
- I_Connection* con;
-
- // close all connections first
- for (int i = m_NotInUse.NofItems(); i--; ) {
- con = (I_Connection*)(m_NotInUse.Get(i));
- if((!srv_name.empty()) && srv_name.compare(con->ServerName())) continue;
- if((!pool_name.empty()) && pool_name.compare(con->PoolName())) continue;
- m_NotInUse.Remove(i);
- delete con;
- }
- }
- unsigned int I_DriverContext::NofConnections(const string& srv_name,
- const string& pool_name) const
- {
- if ( srv_name.empty() && pool_name.empty()) {
- return m_InUse.NofItems() + m_NotInUse.NofItems();
- }
- CFastMutexGuard mg(m_Mtx);
- int n = 0;
- I_Connection* con;
- for (int i = m_NotInUse.NofItems(); i--;) {
- con= (I_Connection*) (m_NotInUse.Get(i));
- if((!srv_name.empty()) && srv_name.compare(con->ServerName())) continue;
- if((!pool_name.empty()) && pool_name.compare(con->PoolName())) continue;
- ++n;
- }
- for (int i = m_InUse.NofItems(); i--;) {
- con= (I_Connection*) (m_InUse.Get(i));
- if((!srv_name.empty()) && srv_name.compare(con->ServerName())) continue;
- if((!pool_name.empty()) && pool_name.compare(con->PoolName())) continue;
- ++n;
- }
- return n;
- }
- CDB_Connection* I_DriverContext::Create_Connection(I_Connection& connection)
- {
- return new CDB_Connection(&connection);
- }
- I_DriverContext::~I_DriverContext()
- {
- return;
- }
- ////////////////////////////////////////////////////////////////////////////
- // I_Connection::
- //
- CDB_LangCmd* I_Connection::Create_LangCmd(I_LangCmd&lang_cmd)
- {
- return new CDB_LangCmd(&lang_cmd);
- }
- CDB_RPCCmd* I_Connection::Create_RPCCmd(I_RPCCmd&rpc_cmd)
- {
- return new CDB_RPCCmd(&rpc_cmd);
- }
- CDB_BCPInCmd* I_Connection::Create_BCPInCmd(I_BCPInCmd& bcpin_cmd)
- {
- return new CDB_BCPInCmd(&bcpin_cmd);
- }
- CDB_CursorCmd* I_Connection::Create_CursorCmd(I_CursorCmd& cursor_cmd)
- {
- return new CDB_CursorCmd(&cursor_cmd);
- }
- CDB_SendDataCmd* I_Connection::Create_SendDataCmd(I_SendDataCmd& senddata_cmd)
- {
- return new CDB_SendDataCmd(&senddata_cmd);
- }
- I_Connection::~I_Connection()
- {
- return;
- }
- ////////////////////////////////////////////////////////////////////////////
- // I_DriverMgr::
- //
- I_DriverMgr::~I_DriverMgr(void)
- {
- return;
- }
- END_NCBI_SCOPE
- /*
- * ===========================================================================
- * $Log: interfaces.cpp,v $
- * Revision 1000.1 2004/06/01 19:19:11 gouriano
- * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.9
- *
- * Revision 1.9 2004/05/17 21:11:38 gorelenk
- * Added include of PCH ncbi_pch.hpp
- *
- * Revision 1.8 2003/07/17 20:44:57 soussov
- * connections pool improvements
- *
- * Revision 1.7 2002/01/20 07:21:02 vakatov
- * I_DriverMgr:: -- added virtual destructor
- *
- * Revision 1.6 2001/11/06 17:59:53 lavr
- * Formatted uniformly as the rest of the library
- *
- * Revision 1.5 2001/10/01 20:09:29 vakatov
- * Introduced a generic default user error handler and the means to
- * alternate it. Added an auxiliary error handler class
- * "CDB_UserHandler_Stream".
- * Moved "{Push/Pop}{Cntx/Conn}MsgHandler()" to the generic code
- * (in I_DriverContext).
- *
- * Revision 1.4 2001/09/27 20:08:32 vakatov
- * Added "DB_" (or "I_") prefix where it was missing
- *
- * Revision 1.3 2001/09/26 23:23:29 vakatov
- * Moved the err.message handlers' stack functionality (generic storage
- * and methods) to the "abstract interface" level.
- *
- * Revision 1.2 2001/09/24 19:48:49 vakatov
- * + implementation for CDB_BaseEnt::Create_Result
- *
- * Revision 1.1 2001/09/21 23:39:59 vakatov
- * ----- Initial (draft) revision. -----
- * This is a major revamp (by Denis Vakatov, with help from Vladimir Soussov)
- * of the DBAPI "driver" libs originally written by Vladimir Soussov.
- * The revamp involved massive code shuffling and grooming, numerous local
- * API redesigns, adding comments and incorporating DBAPI to the C++ Toolkit.
- *
- * ===========================================================================
- */