corosync  2.4.5
totem.h
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2005 MontaVista Software, Inc.
3  * Copyright (c) 2006-2012 Red Hat, Inc.
4  *
5  * Author: Steven Dake (sdake@redhat.com)
6  *
7  * All rights reserved.
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 TOTEM_H_DEFINED
36 #define TOTEM_H_DEFINED
37 #include "totemip.h"
38 #include <corosync/hdb.h>
39 
40 #ifdef HAVE_SMALL_MEMORY_FOOTPRINT
41 #define PROCESSOR_COUNT_MAX 16
42 #define MESSAGE_SIZE_MAX 1024*64
43 #define MESSAGE_QUEUE_MAX 512
44 #else
45 #define PROCESSOR_COUNT_MAX 384
46 #define MESSAGE_SIZE_MAX 1024*1024 /* (1MB) */
47 #define MESSAGE_QUEUE_MAX ((4 * MESSAGE_SIZE_MAX) / totem_config->net_mtu)
48 #endif /* HAVE_SMALL_MEMORY_FOOTPRINT */
49 
50 #define FRAME_SIZE_MAX 10000
51 #define TRANSMITS_ALLOWED 16
52 #define SEND_THREADS_MAX 16
53 #define INTERFACE_MAX 2
54 
55 #define BIND_MAX_RETRIES 10
56 #define BIND_RETRIES_INTERVAL 100
57 
61 #define MAX_NO_CONT_GATHER 3
62 /*
63  * Maximum number of continuous failures get from sendmsg call
64  */
65 #define MAX_NO_CONT_SENDMSG_FAILURES 30
66 
71  uint16_t ip_port;
72  uint16_t ttl;
75 };
76 
78  void (*log_printf) (
79  int level,
80  int subsys,
81  const char *function_name,
82  const char *file_name,
83  int file_line,
84  const char *format,
85  ...) __attribute__((format(printf, 6, 7)));
86 
94 };
95 
96 enum { TOTEM_PRIVATE_KEY_LEN = 128 };
97 enum { TOTEM_RRP_MODE_BYTES = 64 };
98 
99 typedef enum {
104 
105 #define MEMB_RING_ID
106 struct memb_ring_id {
107  struct totem_ip_address rep;
108  unsigned long long seq;
109 } __attribute__((packed));
111 struct totem_config {
112  int version;
113 
114  /*
115  * network
116  */
118  unsigned int interface_count;
119  unsigned int node_id;
120  unsigned int clear_node_high_bit;
121 
122  /*
123  * key information
124  */
126 
127  unsigned int private_key_len;
128 
129  /*
130  * Totem configuration parameters
131  */
132  unsigned int token_timeout;
133 
135 
136  unsigned int token_hold_timeout;
137 
139 
140  unsigned int join_timeout;
141 
142  unsigned int send_join_timeout;
143 
144  unsigned int consensus_timeout;
145 
146  unsigned int merge_timeout;
147 
148  unsigned int downcheck_timeout;
149 
150  unsigned int fail_to_recv_const;
151 
152  unsigned int seqno_unchanged_const;
153 
155 
157 
159 
161 
163 
165 
167 
168  unsigned int net_mtu;
169 
170  unsigned int threads;
171 
173 
174  unsigned int max_network_delay;
175 
176  unsigned int window_size;
177 
178  unsigned int max_messages;
179 
180  const char *vsf_type;
181 
182  unsigned int broadcast_use;
183 
185 
187 
189 
190  unsigned int miss_count_const;
191 
193 
194  unsigned int block_unlisted_ips;
195 
197  struct memb_ring_id *memb_ring_id,
198  const struct totem_ip_address *addr);
199 
201  const struct memb_ring_id *memb_ring_id,
202  const struct totem_ip_address *addr);
203 };
204 
205 #define TOTEM_CONFIGURATION_TYPE
209 };
210 
211 #define TOTEM_CALLBACK_TOKEN_TYPE
215 };
216 
220 };
221 
222 typedef struct {
223  int is_dirty;
224  time_t last_updated;
226 
227 typedef struct {
229  uint32_t iface_changes;
231 
232 typedef struct {
235  char *algo_name;
236  uint8_t *faulty;
237  uint32_t interface_count;
239 
240 
241 typedef struct {
242  uint32_t rx;
243  uint32_t tx;
246 
247 typedef struct {
250  uint64_t orf_token_tx;
251  uint64_t orf_token_rx;
254  uint64_t memb_join_tx;
255  uint64_t memb_join_rx;
256  uint64_t mcast_tx;
257  uint64_t mcast_retx;
258  uint64_t mcast_rx;
265  uint64_t gather_entered;
267  uint64_t commit_entered;
272  uint64_t rx_msg_dropped;
275 
278 #define TOTEM_TOKEN_STATS_MAX 100
280 
282 
283 
284  #define TOTEM_CONFIGURATION_TYPE
285 
286 typedef struct {
290 
291 typedef struct {
294  uint32_t msg_reserved;
295  uint32_t msg_queue_avail;
297 
298 #endif /* TOTEM_H_DEFINED */