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/*
* Copyright 2020-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#ifndef PCMK__CRM_COMMON_IPC_PACEMAKERD__H
#define PCMK__CRM_COMMON_IPC_PACEMAKERD__H
#include <sys/types.h> // time_t
#include <crm/common/ipc.h> // pcmk_ipc_api_t
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file
* \brief IPC commands for Pacemakerd
*
* \ingroup core
*/
// NOTE: sbd (as of at least 1.5.2) uses this enum
enum pcmk_pacemakerd_state {
pcmk_pacemakerd_state_invalid = -1,
pcmk_pacemakerd_state_init = 0,
pcmk_pacemakerd_state_starting_daemons,
pcmk_pacemakerd_state_wait_for_ping,
// NOTE: sbd (as of at least 1.5.2) uses this value
pcmk_pacemakerd_state_running,
// NOTE: sbd (as of at least 1.5.2) uses this value
pcmk_pacemakerd_state_shutting_down,
// NOTE: sbd (as of at least 1.5.2) uses this value
pcmk_pacemakerd_state_shutdown_complete,
pcmk_pacemakerd_state_remote,
pcmk_pacemakerd_state_max = pcmk_pacemakerd_state_remote,
};
//! Possible types of pacemakerd replies
enum pcmk_pacemakerd_api_reply {
pcmk_pacemakerd_reply_unknown,
// NOTE: sbd (as of at least 1.5.2) uses this value
pcmk_pacemakerd_reply_ping,
pcmk_pacemakerd_reply_shutdown,
};
// NOTE: sbd (as of at least 1.5.2) uses this type and some of its members
/*!
* Pacemakerd reply passed to event callback
*/
typedef struct {
enum pcmk_pacemakerd_api_reply reply_type;
union {
// pcmk_pacemakerd_reply_ping
struct {
const char *sys_from;
enum pcmk_pacemakerd_state state;
time_t last_good;
int status;
} ping;
// pcmk_pacemakerd_reply_shutdown
struct {
int status;
} shutdown;
} data;
} pcmk_pacemakerd_api_reply_t;
// NOTE: sbd (as of at least 1.5.2) uses this
int pcmk_pacemakerd_api_ping(pcmk_ipc_api_t *api, const char *ipc_name);
int pcmk_pacemakerd_api_shutdown(pcmk_ipc_api_t *api, const char *ipc_name);
enum pcmk_pacemakerd_state
pcmk_pacemakerd_api_daemon_state_text2enum(const char *state);
const char
*pcmk_pacemakerd_api_daemon_state_enum2text(enum pcmk_pacemakerd_state state);
#ifdef __cplusplus
}
#endif
#endif // PCMK__CRM_COMMON_IPC_PACEMAKERD__H
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