corosync 3.1.7
sam.h
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1/*
2 * Copyright (c) 2009-2011 Red Hat, Inc.
3 *
4 * All rights reserved.
5 *
6 * Author: Jan Friesse (jfriesse@redhat.com)
7 *
8 * This software licensed under BSD license, the text of which follows:
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions are met:
12 *
13 * - Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * - Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 * - Neither the name of the Red Hat, Inc. nor the names of its
19 * contributors may be used to endorse or promote products derived from this
20 * software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 */
34#ifndef COROSYNC_SAM_H_DEFINED
35#define COROSYNC_SAM_H_DEFINED
36
37#include <corosync/corotypes.h>
38
39#ifdef __cplusplus
40extern "C" {
41#endif
42
46typedef enum {
55
59typedef int (*sam_hc_callback_t)(void);
60
80 int time_interval,
82
95
105cs_error_t sam_start (void);
106
117cs_error_t sam_stop (void);
118
130
151 unsigned int *instance_id);
152
163
183
195cs_error_t sam_data_getsize (size_t *size);
196
208 void *data,
209 size_t size);
210
228 const void *data,
229 size_t size);
230
245
246#ifdef __cplusplus
247}
248#endif
249
250#endif /* COROSYNC_SAM_H_DEFINED */
cs_error_t
The cs_error_t enum.
Definition: corotypes.h:98
int time_interval
Definition: sam.c:112
unsigned int instance_id
Definition: sam.c:115
sam_recovery_policy_t recovery_policy
Definition: sam.c:113
int warn_signal
Definition: sam.c:119
cs_error_t sam_warn_signal_set(int warn_signal)
Set warning signal to be sent.
Definition: sam.c:741
cs_error_t sam_finalize(void)
Close the SAM handle.
Definition: sam.c:696
cs_error_t sam_hc_callback_register(sam_hc_callback_t cb)
Register healtcheck callback.
Definition: sam.c:1406
cs_error_t sam_data_store(const void *data, size_t size)
Store user data.
Definition: sam.c:498
sam_recovery_policy_t
sam_recovery_policy_t enum
Definition: sam.h:46
@ SAM_RECOVERY_POLICY_CMAP
Definition: sam.h:52
@ SAM_RECOVERY_POLICY_QUORUM_RESTART
Definition: sam.h:51
@ SAM_RECOVERY_POLICY_QUORUM
Definition: sam.h:49
@ SAM_RECOVERY_POLICY_QUORUM_QUIT
Definition: sam.h:50
@ SAM_RECOVERY_POLICY_QUIT
Definition: sam.h:47
@ SAM_RECOVERY_POLICY_CONFDB
Definition: sam.h:53
@ SAM_RECOVERY_POLICY_RESTART
Definition: sam.h:48
cs_error_t sam_mark_failed(void)
Marks child as failed.
Definition: sam.c:720
cs_error_t sam_data_restore(void *data, size_t size)
Return stored data.
Definition: sam.c:453
cs_error_t sam_register(unsigned int *instance_id)
Register application.
Definition: sam.c:1203
cs_error_t sam_data_getsize(size_t *size)
Return size of stored data.
Definition: sam.c:431
cs_error_t sam_stop(void)
Stop healthchecking.
Definition: sam.c:635
cs_error_t sam_initialize(int time_interval, sam_recovery_policy_t recovery_policy)
Create a new SAM connection.
Definition: sam.c:275
cs_error_t sam_hc_send(void)
Send healthcheck confirmation.
Definition: sam.c:680
int(* sam_hc_callback_t)(void)
Callback definition for event driven checking.
Definition: sam.h:59
cs_error_t sam_start(void)
Start healthchecking.
Definition: sam.c:587