/usr/include/pacemaker/crm/ais.h is in libcrmcluster1-dev 1.1.6-2ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software 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 for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CRM_AIS__H
#define CRM_AIS__H
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <sys/uio.h>
#include <stdint.h>
#define AIS_IPC_MESSAGE_SIZE 8192*128
#if SUPPORT_COROSYNC
# include <corosync/corodefs.h>
# include <corosync/coroipcc.h>
# include <corosync/coroipc_types.h>
#else
typedef struct {
int size __attribute__((aligned(8)));
int id __attribute__((aligned(8)));
} coroipc_request_header_t __attribute__((aligned(8)));
typedef struct {
int size; __attribute__((aligned(8)))
int id __attribute__((aligned(8)));
int error __attribute__((aligned(8)));
} coroipc_response_header_t __attribute__((aligned(8)));
#endif
#define CRM_MESSAGE_IPC_ACK 0
#ifndef CRM_SERVICE
#define CRM_SERVICE PCMK_SERVICE_ID
#endif
#define MAX_NAME 256
#define AIS_IPC_NAME "ais-crm-ipc"
/* *INDENT-OFF* */
#define CRM_NODE_LOST "lost"
#define CRM_NODE_MEMBER "member"
#define CRM_NODE_ACTIVE CRM_NODE_MEMBER
#define CRM_NODE_INACTIVE CRM_NODE_LOST
#define CRM_NODE_EVICTED "evicted"
typedef struct crm_ais_host_s AIS_Host;
typedef struct crm_ais_msg_s AIS_Message;
enum crm_ais_msg_class {
crm_class_cluster = 0,
crm_class_members = 1,
crm_class_notify = 2,
crm_class_nodeid = 3,
crm_class_rmpeer = 4,
crm_class_quorum = 5,
};
/* order here matters - its used to index into the crm_children array */
enum crm_ais_msg_types {
crm_msg_none = 0,
crm_msg_ais = 1,
crm_msg_lrmd = 2,
crm_msg_cib = 3,
crm_msg_crmd = 4,
crm_msg_attrd = 5,
crm_msg_stonithd = 6,
crm_msg_te = 7,
crm_msg_pe = 8,
crm_msg_stonith_ng = 9,
};
enum crm_proc_flag {
crm_proc_none = 0x00000001,
crm_proc_ais = 0x00000002,
crm_proc_lrmd = 0x00000010,
crm_proc_cib = 0x00000100,
crm_proc_crmd = 0x00000200,
crm_proc_attrd = 0x00001000,
crm_proc_stonithd = 0x00002000,
crm_proc_pe = 0x00010000,
crm_proc_te = 0x00020000,
crm_proc_mgmtd = 0x00040000,
crm_proc_stonith_ng = 0x00100000,
};
/* *INDENT-ON* */
typedef struct crm_peer_node_s
{
uint32_t id;
uint64_t born;
uint64_t last_seen;
int32_t votes;
uint32_t processes;
char *uname;
char *state;
char *uuid;
char *addr;
char *version;
} crm_node_t;
struct crm_ais_host_s
{
uint32_t id;
uint32_t pid;
gboolean local;
enum crm_ais_msg_types type;
uint32_t size;
char uname[MAX_NAME];
} __attribute__((packed));
struct crm_ais_msg_s
{
coroipc_response_header_t header __attribute__((aligned(8)));
uint32_t id;
gboolean is_compressed;
AIS_Host host;
AIS_Host sender;
uint32_t size;
uint32_t compressed_size;
/* 584 bytes */
char data[0];
} __attribute__((packed));
struct crm_ais_nodeid_resp_s
{
coroipc_response_header_t header __attribute__((aligned(8)));
uint32_t id;
uint32_t counter;
char uname[MAX_NAME];
char cname[MAX_NAME];
} __attribute__((packed));
struct crm_ais_quorum_resp_s
{
coroipc_response_header_t header __attribute__((aligned(8)));
uint64_t id;
uint32_t votes;
uint32_t expected_votes;
uint32_t quorate;
} __attribute__((packed));
static inline const char *msg_type2text(enum crm_ais_msg_types type)
{
const char *text = "unknown";
switch(type) {
case crm_msg_none:
text = "unknown";
break;
case crm_msg_ais:
text = "ais";
break;
case crm_msg_cib:
text = "cib";
break;
case crm_msg_crmd:
text = "crmd";
break;
case crm_msg_pe:
text = "pengine";
break;
case crm_msg_te:
text = "tengine";
break;
case crm_msg_lrmd:
text = "lrmd";
break;
case crm_msg_attrd:
text = "attrd";
break;
case crm_msg_stonithd:
text = "stonithd";
break;
case crm_msg_stonith_ng:
text = "stonith-ng";
break;
}
return text;
}
static inline const char *peer2text(enum crm_proc_flag proc)
{
const char *text = "unknown";
switch(proc) {
case crm_proc_none:
text = "unknown";
break;
case crm_proc_ais:
text = "ais";
break;
case crm_proc_cib:
text = "cib";
break;
case crm_proc_crmd:
text = "crmd";
break;
case crm_proc_pe:
text = "pengine";
break;
case crm_proc_te:
text = "tengine";
break;
case crm_proc_lrmd:
text = "lrmd";
break;
case crm_proc_attrd:
text = "attrd";
break;
case crm_proc_stonithd:
text = "stonithd";
break;
case crm_proc_stonith_ng:
text = "stonith-ng";
break;
case crm_proc_mgmtd:
text = "mgmtd";
break;
}
return text;
}
static inline const char *ais_dest(const struct crm_ais_host_s *host)
{
if(host->local) {
return "local";
} else if(host->size > 0) {
return host->uname;
} else {
return "<all>";
}
}
#define ais_data_len(msg) (msg->is_compressed?msg->compressed_size:msg->size)
static inline AIS_Message *ais_msg_copy(const AIS_Message *source)
{
AIS_Message *target = malloc(sizeof(AIS_Message) + ais_data_len(source));
memcpy(target, source, sizeof(AIS_Message));
memcpy(target->data, source->data, ais_data_len(target));
return target;
}
static inline const char *ais_error2text(int error)
{
const char *text = "unknown";
# if SUPPORT_COROSYNC
switch(error) {
case CS_OK:
text = "None";
break;
case CS_ERR_LIBRARY:
text = "Library error";
break;
case CS_ERR_VERSION:
text = "Version error";
break;
case CS_ERR_INIT:
text = "Initialization error";
break;
case CS_ERR_TIMEOUT:
text = "Timeout";
break;
case CS_ERR_TRY_AGAIN:
text = "Try again";
break;
case CS_ERR_INVALID_PARAM:
text = "Invalid parameter";
break;
case CS_ERR_NO_MEMORY:
text = "No memory";
break;
case CS_ERR_BAD_HANDLE:
text = "Bad handle";
break;
case CS_ERR_BUSY:
text = "Busy";
break;
case CS_ERR_ACCESS:
text = "Access error";
break;
case CS_ERR_NOT_EXIST:
text = "Doesn't exist";
break;
case CS_ERR_NAME_TOO_LONG:
text = "Name too long";
break;
case CS_ERR_EXIST:
text = "Exists";
break;
case CS_ERR_NO_SPACE:
text = "No space";
break;
case CS_ERR_INTERRUPT:
text = "Interrupt";
break;
case CS_ERR_NAME_NOT_FOUND:
text = "Name not found";
break;
case CS_ERR_NO_RESOURCES:
text = "No resources";
break;
case CS_ERR_NOT_SUPPORTED:
text = "Not supported";
break;
case CS_ERR_BAD_OPERATION:
text = "Bad operation";
break;
case CS_ERR_FAILED_OPERATION:
text = "Failed operation";
break;
case CS_ERR_MESSAGE_ERROR:
text = "Message error";
break;
case CS_ERR_QUEUE_FULL:
text = "Queue full";
break;
case CS_ERR_QUEUE_NOT_AVAILABLE:
text = "Queue not available";
break;
case CS_ERR_BAD_FLAGS:
text = "Bad flags";
break;
case CS_ERR_TOO_BIG:
text = "To big";
break;
case CS_ERR_NO_SECTIONS:
text = "No sections";
break;
}
# endif
return text;
}
extern enum crm_ais_msg_types crm_system_type;
extern enum crm_ais_msg_types text2msg_type(const char *text);
extern char *get_ais_data(const AIS_Message *msg);
extern gboolean check_message_sanity(const AIS_Message *msg, const char *data);
#endif
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