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83 lines
3.3 KiB
C
83 lines
3.3 KiB
C
#ifndef MYSQL_SERVICE_PROGRESS_REPORT_INCLUDED
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/* Copyright (C) 2011 Monty Program 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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/**
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@file
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This service allows plugins to report progress of long running operations
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to the server. The progress report is visible in SHOW PROCESSLIST,
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INFORMATION_SCHEMA.PROCESSLIST, and is sent to the client
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if requested.
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The functions are documented at
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https://mariadb.com/kb/en/progress-reporting/#how-to-add-support-for-progress-reporting-to-a-storage-engine
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define thd_proc_info(thd, msg) set_thd_proc_info(thd, msg, \
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__func__, __FILE__, __LINE__)
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extern struct progress_report_service_st {
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void (*thd_progress_init_func)(MYSQL_THD thd, unsigned int max_stage);
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void (*thd_progress_report_func)(MYSQL_THD thd,
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unsigned long long progress,
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unsigned long long max_progress);
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void (*thd_progress_next_stage_func)(MYSQL_THD thd);
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void (*thd_progress_end_func)(MYSQL_THD thd);
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const char *(*set_thd_proc_info_func)(MYSQL_THD, const char *info,
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const char *func,
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const char *file,
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unsigned int line);
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} *progress_report_service;
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#ifdef MYSQL_DYNAMIC_PLUGIN
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#define thd_progress_init(thd,max_stage) (progress_report_service->thd_progress_init_func((thd),(max_stage)))
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#define thd_progress_report(thd, progress, max_progress) (progress_report_service->thd_progress_report_func((thd), (progress), (max_progress)))
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#define thd_progress_next_stage(thd) (progress_report_service->thd_progress_next_stage_func(thd))
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#define thd_progress_end(thd) (progress_report_service->thd_progress_end_func(thd))
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#define set_thd_proc_info(thd,info,func,file,line) (progress_report_service->set_thd_proc_info_func((thd),(info),(func),(file),(line)))
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#else
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/**
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Report progress for long running operations
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@param thd User thread connection handle
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@param progress Where we are now
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@param max_progress Progress will continue up to this
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*/
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void thd_progress_init(MYSQL_THD thd, unsigned int max_stage);
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void thd_progress_report(MYSQL_THD thd,
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unsigned long long progress,
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unsigned long long max_progress);
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void thd_progress_next_stage(MYSQL_THD thd);
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void thd_progress_end(MYSQL_THD thd);
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const char *set_thd_proc_info(MYSQL_THD, const char * info, const char *func,
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const char *file, unsigned int line);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#define MYSQL_SERVICE_PROGRESS_REPORT_INCLUDED
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#endif
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