corosync 3.1.9
cpg.h
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1/*
2 * Copyright (c) 2006-2019 Red Hat, Inc.
3 *
4 * All rights reserved.
5 *
6 * Author: Christine Caulfield (ccaulfi@redhat.com)
7 * Author: Jan Friesse (jfriesse@redhat.com)
8 *
9 * This software licensed under BSD license, the text of which follows:
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions are met:
13 *
14 * - Redistributions of source code must retain the above copyright notice,
15 * this list of conditions and the following disclaimer.
16 * - Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
19 * - Neither the name of the MontaVista Software, Inc. nor the names of its
20 * contributors may be used to endorse or promote products derived from this
21 * software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
33 * THE POSSIBILITY OF SUCH DAMAGE.
34 */
35#ifndef COROSYNC_CPG_H_DEFINED
36#define COROSYNC_CPG_H_DEFINED
37
38#include <netinet/in.h>
39#include <sys/socket.h>
40#include <corosync/corotypes.h>
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
55
60
70
78
79
91
100
104typedef enum {
107
116
117#define CPG_MAX_NAME_LENGTH 128
125
126#define CPG_MEMBERS_MAX 128
127
136
144
149 cpg_handle_t handle,
150 const struct cpg_name *group_name,
152 uint32_t pid,
157 void *msg,
158 size_t msg_len);
159
164 cpg_handle_t handle,
165 const struct cpg_name *group_name,
166 const struct cpg_address *member_list, size_t member_list_entries,
167 const struct cpg_address *left_list, size_t left_list_entries,
168 const struct cpg_address *joined_list, size_t joined_list_entries);
169
174 cpg_handle_t handle,
175 struct cpg_ring_id ring_id,
176 uint32_t member_list_entries,
177 const uint32_t *member_list);
178
186
190typedef struct {
193
194#define CPG_MODEL_V1_DELIVER_INITIAL_TOTEM_CONF 0x01
195
206
207
217 cpg_handle_t *handle,
218 cpg_callbacks_t *callbacks);
219
229 cpg_handle_t *handle,
230 cpg_model_t model,
231 cpg_model_data_t *model_data,
232 void *context);
233
240 cpg_handle_t handle);
241
252 cpg_handle_t handle,
253 int *fd);
254
262 cpg_handle_t handle,
263 uint32_t *size);
264
272 cpg_handle_t handle,
273 void **context);
274
282 cpg_handle_t handle,
283 void *context);
284
292 cpg_handle_t handle,
294
307 cpg_handle_t handle,
308 const struct cpg_name *group);
309
317 cpg_handle_t handle,
318 const struct cpg_name *group);
319
330 cpg_handle_t handle,
332 const struct iovec *iovec,
333 unsigned int iov_len);
334
344 cpg_handle_t handle,
345 struct cpg_name *groupName,
346 struct cpg_address *member_list,
347 int *member_list_entries);
355 cpg_handle_t handle,
356 unsigned int *local_nodeid);
357
365 cpg_handle_t handle,
367
376 cpg_handle_t handle,
377 size_t size,
378 void **buffer);
379
387 cpg_handle_t handle,
388 void *buffer);
389
399 cpg_handle_t handle,
401 void *msg,
402 size_t msg_len);
403
413 cpg_handle_t handle,
415 const struct cpg_name *group,
416 cpg_iteration_handle_t *cpg_iteration_handle);
417
427
435
436#ifdef __cplusplus
437}
438#endif
439
440#endif /* COROSYNC_CPG_H_DEFINED */
unsigned int nodeid
Definition coroapi.h:0
cs_dispatch_flags_t
The cs_dispatch_flags_t enum.
Definition corotypes.h:84
cs_error_t
The cs_error_t enum.
Definition corotypes.h:98
cs_error_t cpg_flow_control_state_get(cpg_handle_t handle, cpg_flow_control_state_t *flow_control_enabled)
cpg_flow_control_state_get
Definition lib/cpg.c:844
cs_error_t cpg_iteration_next(cpg_iteration_handle_t handle, struct cpg_iteration_description_t *description)
cpg_iteration_next
Definition lib/cpg.c:1333
cs_error_t cpg_model_initialize(cpg_handle_t *handle, cpg_model_t model, cpg_model_data_t *model_data, void *context)
Create a new cpg connection, initialize with model.
Definition lib/cpg.c:185
cs_error_t cpg_max_atomic_msgsize_get(cpg_handle_t handle, uint32_t *size)
Get maximum size of a message that will not be fragmented.
Definition lib/cpg.c:313
cs_error_t cpg_mcast_joined(cpg_handle_t handle, cpg_guarantee_t guarantee, const struct iovec *iovec, unsigned int iov_len)
Multicast to groups joined with cpg_join.
Definition lib/cpg.c:1192
cs_error_t cpg_leave(cpg_handle_t handle, const struct cpg_name *group)
Leave one or more groups.
Definition lib/cpg.c:698
cs_error_t cpg_context_get(cpg_handle_t handle, void **context)
Get contexts for a CPG handle.
Definition lib/cpg.c:332
cs_error_t cpg_fd_get(cpg_handle_t handle, int *fd)
Get a file descriptor on which to poll.
Definition lib/cpg.c:294
cs_error_t cpg_join(cpg_handle_t handle, const struct cpg_name *group)
Join one or more groups.
Definition lib/cpg.c:644
cs_error_t cpg_zcb_free(cpg_handle_t handle, void *buffer)
cpg_zcb_free
Definition lib/cpg.c:1001
cs_error_t cpg_iteration_finalize(cpg_iteration_handle_t handle)
cpg_iteration_finalize
Definition lib/cpg.c:1383
cs_error_t cpg_zcb_alloc(cpg_handle_t handle, size_t size, void **buffer)
cpg_zcb_alloc
Definition lib/cpg.c:944
cs_error_t cpg_membership_get(cpg_handle_t handle, struct cpg_name *groupName, struct cpg_address *member_list, int *member_list_entries)
Get membership information from cpg.
Definition lib/cpg.c:743
cs_error_t cpg_initialize(cpg_handle_t *handle, cpg_callbacks_t *callbacks)
Create a new cpg connection.
Definition lib/cpg.c:169
cs_error_t cpg_local_get(cpg_handle_t handle, unsigned int *local_nodeid)
cpg_local_get
Definition lib/cpg.c:806
cs_error_t cpg_iteration_initialize(cpg_handle_t handle, cpg_iteration_type_t iteration_type, const struct cpg_name *group, cpg_iteration_handle_t *cpg_iteration_handle)
cpg_iteration_initialize
Definition lib/cpg.c:1240
cs_error_t cpg_context_set(cpg_handle_t handle, void *context)
Set contexts for a CPG handle.
Definition lib/cpg.c:351
cs_error_t cpg_finalize(cpg_handle_t handle)
Close the cpg handle.
Definition lib/cpg.c:249
cs_error_t cpg_dispatch(cpg_handle_t handle, cs_dispatch_flags_t dispatch_types)
Dispatch messages and configuration changes.
Definition lib/cpg.c:370
cs_error_t cpg_zcb_mcast_joined(cpg_handle_t handle, cpg_guarantee_t guarantee, void *msg, size_t msg_len)
cpg_zcb_mcast_joined
Definition lib/cpg.c:1050
cpg_flow_control_state_t
The cpg_flow_control_state_t enum.
Definition cpg.h:74
void(* cpg_deliver_fn_t)(cpg_handle_t handle, const struct cpg_name *group_name, uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len)
The cpg_deliver_fn_t callback.
Definition cpg.h:148
#define CPG_MAX_NAME_LENGTH
Definition cpg.h:117
cpg_guarantee_t
The cpg_guarantee_t enum.
Definition cpg.h:64
cpg_iteration_type_t
The cpg_iteration_type_t enum.
Definition cpg.h:95
void(* cpg_confchg_fn_t)(cpg_handle_t handle, const struct cpg_name *group_name, const struct cpg_address *member_list, size_t member_list_entries, const struct cpg_address *left_list, size_t left_list_entries, const struct cpg_address *joined_list, size_t joined_list_entries)
The cpg_confchg_fn_t callback.
Definition cpg.h:163
uint64_t cpg_handle_t
cpg_handle_t
Definition cpg.h:54
uint64_t cpg_iteration_handle_t
cpg_iteration_handle_t
Definition cpg.h:59
cpg_model_t
The cpg_model_t enum.
Definition cpg.h:104
cpg_reason_t
The cpg_reason_t enum.
Definition cpg.h:83
void(* cpg_totem_confchg_fn_t)(cpg_handle_t handle, struct cpg_ring_id ring_id, uint32_t member_list_entries, const uint32_t *member_list)
The cpg_totem_confchg_fn_t callback.
Definition cpg.h:173
@ CPG_FLOW_CONTROL_DISABLED
flow control is disabled - new messages may be sent
Definition cpg.h:75
@ CPG_FLOW_CONTROL_ENABLED
flow control is enabled - new messages should not be sent
Definition cpg.h:76
@ CPG_TYPE_UNORDERED
not implemented
Definition cpg.h:65
@ CPG_TYPE_FIFO
same as agreed
Definition cpg.h:66
@ CPG_TYPE_AGREED
Definition cpg.h:67
@ CPG_TYPE_SAFE
not implemented
Definition cpg.h:68
@ CPG_ITERATION_ONE_GROUP
Definition cpg.h:97
@ CPG_ITERATION_ALL
Definition cpg.h:98
@ CPG_ITERATION_NAME_ONLY
Definition cpg.h:96
@ CPG_MODEL_V1
Definition cpg.h:105
@ CPG_REASON_UNDEFINED
Definition cpg.h:84
@ CPG_REASON_JOIN
Definition cpg.h:85
@ CPG_REASON_NODEUP
Definition cpg.h:88
@ CPG_REASON_LEAVE
Definition cpg.h:86
@ CPG_REASON_PROCDOWN
Definition cpg.h:89
@ CPG_REASON_NODEDOWN
Definition cpg.h:87
The cpg_address struct.
Definition cpg.h:111
uint32_t reason
Definition cpg.h:114
uint32_t pid
Definition cpg.h:113
uint32_t nodeid
Definition cpg.h:112
The cpg_callbacks_t struct.
Definition cpg.h:182
cpg_deliver_fn_t cpg_deliver_fn
Definition cpg.h:183
cpg_confchg_fn_t cpg_confchg_fn
Definition cpg.h:184
The cpg_iteration_description_t struct.
Definition cpg.h:131
struct cpg_name group
Definition cpg.h:132
The cpg_model_data_t struct.
Definition cpg.h:190
cpg_model_t model
Definition cpg.h:191
The cpg_model_v1_data_t struct.
Definition cpg.h:199
cpg_model_t model
Definition cpg.h:200
cpg_totem_confchg_fn_t cpg_totem_confchg_fn
Definition cpg.h:203
unsigned int flags
Definition cpg.h:204
cpg_confchg_fn_t cpg_confchg_fn
Definition cpg.h:202
cpg_deliver_fn_t cpg_deliver_fn
Definition cpg.h:201
The cpg_name struct.
Definition cpg.h:121
char value[CPG_MAX_NAME_LENGTH]
Definition cpg.h:123
uint32_t length
Definition cpg.h:122
The cpg_ring_id struct.
Definition cpg.h:140
uint64_t seq
Definition cpg.h:142
uint32_t nodeid
Definition cpg.h:141
int guarantee
Definition totemsrp.c:6
struct memb_ring_id ring_id
Definition totemsrp.c:4