psi_socket.h

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/* Copyright (c) 2008, 2025, 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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  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef MYSQL_PSI_SOCKET_H
#define MYSQL_PSI_SOCKET_H
 
/**
  @file include/mysql/psi/psi_socket.h
  Performance schema instrumentation interface.
 
  @defgroup psi_abi_socket Socket Instrumentation (ABI)
  @ingroup psi_abi
  @{
*/
 
#include "my_macros.h"
 
/* HAVE_PSI_*_INTERFACE */
#include "my_psi_config.h"  // IWYU pragma: keep
 
#include "my_sharedlib.h"
#include "mysql/components/services/bits/psi_socket_bits.h"  // IWYU pragma: export
 
/**
  @def PSI_SOCKET_VERSION_1
  Performance Schema Socket Interface number for version 1.
  This version is supported.
*/
#define PSI_SOCKET_VERSION_1 1
 
/** Entry point for the performance schema interface. */
struct PSI_socket_bootstrap {
  /**
    ABI interface finder.
    Calling this method with an interface version number returns either
    an instance of the ABI for this version, or NULL.
    @sa PSI_SOCKET_VERSION_1
    @sa PSI_SOCKET_VERSION_2
    @sa PSI_CURRENT_SOCKET_VERSION
  */
  void *(*get_interface)(int version);
};
typedef struct PSI_socket_bootstrap PSI_socket_bootstrap;
 
#ifdef HAVE_PSI_SOCKET_INTERFACE
 
/**
  Performance Schema Socket Interface, version 1.
  @since PSI_SOCKET_VERSION_1
*/
struct PSI_socket_service_v1 {
  /** @sa register_socket_v1_t. */
  register_socket_v1_t register_socket;
  /** @sa init_socket_v1_t. */
  init_socket_v1_t init_socket;
  /** @sa destroy_socket_v1_t. */
  destroy_socket_v1_t destroy_socket;
  /** @sa start_socket_wait_v1_t. */
  start_socket_wait_v1_t start_socket_wait;
  /** @sa end_socket_wait_v1_t. */
  end_socket_wait_v1_t end_socket_wait;
  /** @sa set_socket_state_v1_t. */
  set_socket_state_v1_t set_socket_state;
  /** @sa set_socket_info_v1_t. */
  set_socket_info_v1_t set_socket_info;
  /** @sa set_socket_thread_owner_v1_t. */
  set_socket_thread_owner_v1_t set_socket_thread_owner;
};
 
typedef struct PSI_socket_service_v1 PSI_socket_service_t;
 
extern MYSQL_PLUGIN_IMPORT PSI_socket_service_t *psi_socket_service;
 
#endif /* HAVE_PSI_SOCKET_INTERFACE */
 
/** @} (end of group psi_abi_socket) */
 
#endif /* MYSQL_PSI_SOCKET_H */