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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
commita175314c3e5827eb193872241446f2f8f5c9d33c (patch)
treecd3d60ca99ae00829c52a6ca79150a5b6e62528b /storage/connect/user_connect.h
parentInitial commit. (diff)
downloadmariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.tar.xz
mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.zip
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/connect/user_connect.h')
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+/* Copyright (C) MariaDB Corporation Ab
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; version 2 of the License.
+
+ 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+/** @file user_connect.h
+
+ @brief
+ Declaration of the user_connect class.
+
+ @note
+ Author Olivier Bertrand
+
+ @see
+ /sql/handler.h and /storage/connect/user_connect.cc
+*/
+
+#ifdef USE_PRAGMA_INTERFACE
+#pragma interface /* gcc class implementation */
+#endif
+
+/*****************************************************************************/
+/* This is the global structure having all CONNECT information. */
+/*****************************************************************************/
+//typedef struct _global *PGLOBAL;
+typedef class user_connect *PCONNECT;
+typedef class ha_connect *PHC;
+int connect_done_func(void *);
+
+/*****************************************************************************/
+/* The CONNECT users. There should be one by connected users. */
+/*****************************************************************************/
+class user_connect
+{
+ friend class ha_connect;
+ friend int connect_done_func(void *);
+public:
+ // Constructor
+ user_connect(THD *thd);
+
+ // Destructor
+ virtual ~user_connect();
+
+ // Implementation
+ bool user_init();
+ void SetHandler(ha_connect *hc);
+ bool CheckCleanup(bool force = false);
+ bool CheckQueryID(void) {return thdp->query_id > last_query_id;}
+ bool CheckQuery(query_id_t vid) {return last_query_id > vid;}
+
+ // Members
+ THD *thdp; // To the user thread
+ static PCONNECT to_users; // To the chain of users
+ PCONNECT next; // Next user in chain
+ PCONNECT previous; // Previous user in chain
+ PGLOBAL g; // The common handle to CONNECT
+ query_id_t last_query_id; // the latest user query id
+ int count; // if used by several handlers
+ // Statistics
+ ulong nrd, fnd, nfd;
+ ulonglong tb1;
+}; // end of user_connect class definition
+