75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*
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Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
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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 St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef HA_NDB_INDEX_STAT_H
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#define HA_NDB_INDEX_STAT_H
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#include "ndb_component.h"
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/* for NdbIndexScanOperation::IndexBound */
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#include <ndbapi/NdbIndexScanOperation.hpp>
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/* forward declarations */
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struct st_key_range;
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typedef struct st_key_range key_range;
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struct st_key;
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typedef struct st_key KEY;
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class Ndb_index_stat_thread : public Ndb_component
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{
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// Someone is waiting for stats
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bool client_waiting;
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native_mutex_t LOCK;
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native_cond_t COND;
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public:
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Ndb_index_stat_thread();
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virtual ~Ndb_index_stat_thread();
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/*
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protect stats entry lists where needed
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protect and signal changes in stats entries
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*/
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native_mutex_t stat_mutex;
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native_cond_t stat_cond;
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// Wake thread up to fetch stats or do other stuff
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void wakeup();
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/* are we setup */
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bool is_setup_complete();
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private:
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virtual int do_init() { return 0;}
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virtual void do_run();
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virtual int do_deinit() { return 0;}
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// Wakeup for stop
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virtual void do_wakeup();
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};
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/* free entries from share or at end */
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void ndb_index_stat_free(NDB_SHARE*, int iudex_id, int index_version);
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void ndb_index_stat_free(NDB_SHARE*);
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void ndb_index_stat_end();
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void
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compute_index_bounds(NdbIndexScanOperation::IndexBound & bound,
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const KEY *key_info,
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const key_range *start_key, const key_range *end_key,
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int from);
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#endif
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