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73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/* Copyright (C) MariaDB Corporation Ab
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
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/** @file user_connect.h
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@brief
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Declaration of the user_connect class.
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@note
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Author Olivier Bertrand
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@see
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/sql/handler.h and /storage/connect/user_connect.cc
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*/
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#ifdef USE_PRAGMA_INTERFACE
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#pragma interface /* gcc class implementation */
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#endif
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/*****************************************************************************/
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/* This is the global structure having all CONNECT information. */
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/*****************************************************************************/
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//typedef struct _global *PGLOBAL;
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typedef class user_connect *PCONNECT;
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typedef class ha_connect *PHC;
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int connect_done_func(void *);
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/*****************************************************************************/
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/* The CONNECT users. There should be one by connected users. */
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/*****************************************************************************/
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class user_connect
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{
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friend class ha_connect;
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friend int connect_done_func(void *);
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public:
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// Constructor
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user_connect(THD *thd);
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// Destructor
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virtual ~user_connect();
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// Implementation
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bool user_init();
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void SetHandler(ha_connect *hc);
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bool CheckCleanup(bool force = false);
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bool CheckQueryID(void) {return thdp->query_id > last_query_id;}
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bool CheckQuery(query_id_t vid) {return last_query_id > vid;}
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// Members
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THD *thdp; // To the user thread
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static PCONNECT to_users; // To the chain of users
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PCONNECT next; // Next user in chain
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PCONNECT previous; // Previous user in chain
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PGLOBAL g; // The common handle to CONNECT
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query_id_t last_query_id; // the latest user query id
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int count; // if used by several handlers
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// Statistics
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ulong nrd, fnd, nfd;
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ulonglong tb1;
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}; // end of user_connect class definition
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