pfs_metric_provider.h

/* Copyright (c) 2023, 2024, Oracle and/or its affiliates.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2.0,
  as published by the Free Software Foundation.

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  as designated in a particular file or component or in included license
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  permission to link the program and your derivative works with the
  separately licensed software that they have either included with
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  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, version 2.0, for more details.

  You should have received a copy of the GNU General Public License
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  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#ifndef PFS_METRIC_PROVIDER_H
#define PFS_METRIC_PROVIDER_H

/**
  @file include/pfs_metric_provider.h
  Performance schema instrumentation (declarations).
*/

/* HAVE_PSI_*_INTERFACE */
#include "my_psi_config.h"  // IWYU pragma: keep

#ifdef HAVE_PSI_METRICS_INTERFACE
#if defined(MYSQL_SERVER) || defined(PFS_DIRECT_CALL)
#ifndef MYSQL_DYNAMIC_PLUGIN

#include "my_macros.h"
#include "mysql/psi/psi_metric.h"

#define PSI_METRIC_CALL(M) pfs_##M##_v1

void pfs_register_meters_v1(PSI_meter_info_v1 *info, size_t count);
void pfs_unregister_meters_v1(PSI_meter_info_v1 *info, size_t count);
void pfs_register_change_notification_v1(
    meter_registration_changes_v1_t callback);
void pfs_unregister_change_notification_v1(
    meter_registration_changes_v1_t callback);
void pfs_send_change_notification_v1(const char *meter, MeterNotifyType change);

#endif /* MYSQL_DYNAMIC_PLUGIN */
#endif /* MYSQL_SERVER || PFS_DIRECT_CALL */
#endif /* HAVE_PSI_METRICS_INTERFACE */

#endif