corosync 3.1.7
totemconfig.c
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1/*
2 * Copyright (c) 2002-2005 MontaVista Software, Inc.
3 * Copyright (c) 2006-2022 Red Hat, Inc.
4 *
5 * All rights reserved.
6 *
7 * Author: Steven Dake (sdake@redhat.com)
8 * Jan Friesse (jfriesse@redhat.com)
9 * Chrissie Caulfield (ccaulfie@redhat.com)
10 *
11 * This software licensed under BSD license, the text of which follows:
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions are met:
15 *
16 * - Redistributions of source code must retain the above copyright notice,
17 * this list of conditions and the following disclaimer.
18 * - Redistributions in binary form must reproduce the above copyright notice,
19 * this list of conditions and the following disclaimer in the documentation
20 * and/or other materials provided with the distribution.
21 * - Neither the name of the MontaVista Software, Inc. nor the names of its
22 * contributors may be used to endorse or promote products derived from this
23 * software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
35 * THE POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#include <config.h>
39
40#include <stdio.h>
41#include <string.h>
42#include <stdlib.h>
43#include <errno.h>
44#include <unistd.h>
45#include <sys/socket.h>
46#include <sys/types.h>
47#include <sys/stat.h>
48#include <fcntl.h>
49#include <ifaddrs.h>
50#include <netdb.h>
51#include <netinet/in.h>
52#include <arpa/inet.h>
53#include <sys/param.h>
54#include <sys/utsname.h>
55
56#include <corosync/swab.h>
57#include <qb/qblist.h>
58#include <qb/qbdefs.h>
59#include <libknet.h>
60#include <corosync/totem/totem.h>
61#include <corosync/config.h>
62#include <corosync/logsys.h>
63#include <corosync/icmap.h>
64
65#include "util.h"
66#include "totemconfig.h"
67
68#define TOKEN_RETRANSMITS_BEFORE_LOSS_CONST 4
69#define TOKEN_TIMEOUT 3000
70#define TOKEN_WARNING 75
71#define TOKEN_COEFFICIENT 650
72#define JOIN_TIMEOUT 50
73#define MERGE_TIMEOUT 200
74#define DOWNCHECK_TIMEOUT 1000
75#define FAIL_TO_RECV_CONST 2500
76#define SEQNO_UNCHANGED_CONST 30
77#define MINIMUM_TIMEOUT (int)(1000/HZ)*3
78#define MINIMUM_TIMEOUT_HOLD (int)(MINIMUM_TIMEOUT * 0.8 - (1000/HZ))
79#define MAX_NETWORK_DELAY 50
80#define WINDOW_SIZE 50
81#define MAX_MESSAGES 17
82#define MISS_COUNT_CONST 5
83#define BLOCK_UNLISTED_IPS 1
84#define CANCEL_TOKEN_HOLD_ON_RETRANSMIT 0
85/* This constant is not used for knet */
86#define UDP_NETMTU 1500
87
88/* Currently all but PONG_COUNT match the defaults in libknet.h */
89#define KNET_PING_INTERVAL 1000
90#define KNET_PING_TIMEOUT 2000
91#define KNET_PING_PRECISION 2048
92#define KNET_PONG_COUNT 2
93#define KNET_PMTUD_INTERVAL 30
94#define KNET_MTU 0
95#define KNET_DEFAULT_TRANSPORT KNET_TRANSPORT_UDP
96
97#define DEFAULT_PORT 5405
98
99static char error_string_response[768];
100
101static void add_totem_config_notification(struct totem_config *totem_config);
102
103static void *totem_get_param_by_name(struct totem_config *totem_config, const char *param_name)
104{
105 if (strcmp(param_name, "totem.token") == 0)
106 return &totem_config->token_timeout;
107 if (strcmp(param_name, "totem.token_warning") == 0)
108 return &totem_config->token_warning;
109 if (strcmp(param_name, "totem.token_retransmit") == 0)
110 return &totem_config->token_retransmit_timeout;
111 if (strcmp(param_name, "totem.hold") == 0)
112 return &totem_config->token_hold_timeout;
113 if (strcmp(param_name, "totem.token_retransmits_before_loss_const") == 0)
114 return &totem_config->token_retransmits_before_loss_const;
115 if (strcmp(param_name, "totem.join") == 0)
116 return &totem_config->join_timeout;
117 if (strcmp(param_name, "totem.send_join") == 0)
118 return &totem_config->send_join_timeout;
119 if (strcmp(param_name, "totem.consensus") == 0)
120 return &totem_config->consensus_timeout;
121 if (strcmp(param_name, "totem.merge") == 0)
122 return &totem_config->merge_timeout;
123 if (strcmp(param_name, "totem.downcheck") == 0)
124 return &totem_config->downcheck_timeout;
125 if (strcmp(param_name, "totem.fail_recv_const") == 0)
126 return &totem_config->fail_to_recv_const;
127 if (strcmp(param_name, "totem.seqno_unchanged_const") == 0)
128 return &totem_config->seqno_unchanged_const;
129 if (strcmp(param_name, "totem.heartbeat_failures_allowed") == 0)
130 return &totem_config->heartbeat_failures_allowed;
131 if (strcmp(param_name, "totem.max_network_delay") == 0)
132 return &totem_config->max_network_delay;
133 if (strcmp(param_name, "totem.window_size") == 0)
134 return &totem_config->window_size;
135 if (strcmp(param_name, "totem.max_messages") == 0)
136 return &totem_config->max_messages;
137 if (strcmp(param_name, "totem.miss_count_const") == 0)
138 return &totem_config->miss_count_const;
139 if (strcmp(param_name, "totem.knet_pmtud_interval") == 0)
140 return &totem_config->knet_pmtud_interval;
141 if (strcmp(param_name, "totem.knet_mtu") == 0)
142 return &totem_config->knet_mtu;
143 if (strcmp(param_name, "totem.knet_compression_threshold") == 0)
144 return &totem_config->knet_compression_threshold;
145 if (strcmp(param_name, "totem.knet_compression_level") == 0)
146 return &totem_config->knet_compression_level;
147 if (strcmp(param_name, "totem.knet_compression_model") == 0)
148 return totem_config->knet_compression_model;
149 if (strcmp(param_name, "totem.block_unlisted_ips") == 0)
150 return &totem_config->block_unlisted_ips;
151 if (strcmp(param_name, "totem.cancel_token_hold_on_retransmit") == 0)
152 return &totem_config->cancel_token_hold_on_retransmit;
153
154 return NULL;
155}
156
157/*
158 * Read key_name from icmap. If key is not found or key_name == delete_key or if allow_zero is false
159 * and readed value is zero, default value is used and stored into totem_config.
160 */
161static void totem_volatile_config_set_uint32_value (struct totem_config *totem_config, icmap_map_t map,
162 const char *key_name, const char *deleted_key, unsigned int default_value,
163 int allow_zero_value)
164{
165 char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
166
167 if (icmap_get_uint32_r(map, key_name, totem_get_param_by_name(totem_config, key_name)) != CS_OK ||
168 (deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
169 (!allow_zero_value && *(uint32_t *)totem_get_param_by_name(totem_config, key_name) == 0)) {
170 *(uint32_t *)totem_get_param_by_name(totem_config, key_name) = default_value;
171 }
172
173 /*
174 * Store totem_config value to cmap runtime section
175 */
176 if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
177 /*
178 * This shouldn't happen
179 */
180 return ;
181 }
182
183 strcpy(runtime_key_name, "runtime.config.");
184 strcat(runtime_key_name, key_name);
185
186 icmap_set_uint32_r(map, runtime_key_name, *(uint32_t *)totem_get_param_by_name(totem_config, key_name));
187}
188
189static void totem_volatile_config_set_int32_value (struct totem_config *totem_config, icmap_map_t map,
190 const char *key_name, const char *deleted_key, int default_value,
191 int allow_zero_value)
192{
193 char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
194
195 if (icmap_get_int32_r(map, key_name, totem_get_param_by_name(totem_config, key_name)) != CS_OK ||
196 (deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
197 (!allow_zero_value && *(int32_t *)totem_get_param_by_name(totem_config, key_name) == 0)) {
198 *(int32_t *)totem_get_param_by_name(totem_config, key_name) = default_value;
199 }
200
201 /*
202 * Store totem_config value to cmap runtime section
203 */
204 if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
205 /*
206 * This shouldn't happen
207 */
208 return ;
209 }
210
211 strcpy(runtime_key_name, "runtime.config.");
212 strcat(runtime_key_name, key_name);
213
214 icmap_set_int32_r(map, runtime_key_name, *(int32_t *)totem_get_param_by_name(totem_config, key_name));
215}
216
217static void totem_volatile_config_set_string_value (struct totem_config *totem_config, icmap_map_t map,
218 const char *key_name, const char *deleted_key, const char *default_value)
219{
220 char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
221 int res;
222 char *new_config_value;
223 const void *config_value;
224
225 config_value = totem_get_param_by_name(totem_config, key_name);
226
227 res = icmap_get_string_r(map, key_name, (char **)&new_config_value);
228 if (res != CS_OK ||
229 (deleted_key != NULL && strcmp(deleted_key, key_name) == 0)) {
230
231 /* Slightly pointless use of strncpy but it keeps coverity happy */
232 strncpy((char *)config_value, default_value, CONFIG_STRING_LEN_MAX);
233 } else {
234 strncpy((char *)config_value, new_config_value, CONFIG_STRING_LEN_MAX);
235 }
236 if (res == CS_OK) {
237 free(new_config_value);
238 }
239
240 /*
241 * Store totem_config value to cmap runtime section
242 */
243 if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
244 /*
245 * This shouldn't happen
246 */
247 return ;
248 }
249
250 strcpy(runtime_key_name, "runtime.config.");
251 strcat(runtime_key_name, key_name);
252
253 (void)icmap_set_string_r(map, runtime_key_name, (char *)config_value);
254}
255
256/*
257 * Read string value stored in key_name from icmap, use it as a boolean (yes/no) type, convert it
258 * to integer value (1/0) and store into totem_config.
259 *
260 * If key is not found or key_name == delete_key default value is used
261 * and stored into totem_config.
262 */
263static void totem_volatile_config_set_boolean_value (struct totem_config *totem_config, icmap_map_t map,
264 const char *key_name, const char *deleted_key, unsigned int default_value)
265{
266 char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
267 char *str;
268 int val;
269
270 str = NULL;
271 val = default_value;
272
273 if ((deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
274 (icmap_get_string_r(map, key_name, &str) != CS_OK)) {
275 /*
276 * Do nothing. str is NULL (icmap_get_string ether not called or
277 * not changed str).
278 */
279 } else {
280 if (strcmp(str, "yes") == 0) {
281 val = 1;
282 } else if (strcmp(str, "no") == 0) {
283 val = 0;
284 }
285 free(str);
286 }
287
288 /*
289 * Store totem_config value to cmap runtime section
290 */
291 if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
292 /*
293 * This shouldn't happen
294 */
295 return ;
296 }
297
298 strcpy(runtime_key_name, "runtime.config.");
299 strcat(runtime_key_name, key_name);
300
301 *(uint32_t *)totem_get_param_by_name(totem_config, key_name) = val;
302
303 icmap_set_uint32_r(map, runtime_key_name, val);
304}
305
306/*
307 * Read and validate config values from cmap and store them into totem_config. If key doesn't exists,
308 * default value is stored. deleted_key is name of key beeing processed by delete operation
309 * from cmap. It is considered as non existing even if it can be read. Can be NULL.
310 */
311void totem_volatile_config_read (struct totem_config *totem_config, icmap_map_t temp_map, const char *deleted_key)
312{
313 uint32_t u32;
314
315 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_retransmits_before_loss_const", deleted_key,
316 TOKEN_RETRANSMITS_BEFORE_LOSS_CONST, 0);
317
318 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token", deleted_key, TOKEN_TIMEOUT, 0);
319
320 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_warning", deleted_key, TOKEN_WARNING, 1);
321
322 if (totem_config->interfaces[0].member_count > 2) {
323 u32 = TOKEN_COEFFICIENT;
324 icmap_get_uint32_r(temp_map, "totem.token_coefficient", &u32);
325 totem_config->token_timeout += (totem_config->interfaces[0].member_count - 2) * u32;
326
327 /*
328 * Store totem_config value to cmap runtime section
329 */
330 icmap_set_uint32_r(temp_map, "runtime.config.totem.token", totem_config->token_timeout);
331 }
332
333 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.max_network_delay", deleted_key, MAX_NETWORK_DELAY, 0);
334
335 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.window_size", deleted_key, WINDOW_SIZE, 0);
336
337 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.max_messages", deleted_key, MAX_MESSAGES, 0);
338
339 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.miss_count_const", deleted_key, MISS_COUNT_CONST, 0);
340 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.knet_pmtud_interval", deleted_key, KNET_PMTUD_INTERVAL, 0);
341 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.knet_mtu", deleted_key, KNET_MTU, 0);
342
343 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_retransmit", deleted_key,
344 (int)(totem_config->token_timeout / (totem_config->token_retransmits_before_loss_const + 0.2)), 0);
345
346 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.hold", deleted_key,
347 (int)(totem_config->token_retransmit_timeout * 0.8 - (1000/HZ)), 0);
348
349 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.join", deleted_key, JOIN_TIMEOUT, 0);
350
351 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.consensus", deleted_key,
352 (int)(float)(1.2 * totem_config->token_timeout), 0);
353
354 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.merge", deleted_key, MERGE_TIMEOUT, 0);
355
356 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.downcheck", deleted_key, DOWNCHECK_TIMEOUT, 0);
357
358 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.fail_recv_const", deleted_key, FAIL_TO_RECV_CONST, 0);
359
360 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.seqno_unchanged_const", deleted_key,
361 SEQNO_UNCHANGED_CONST, 0);
362
363 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.send_join", deleted_key, 0, 1);
364
365 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.heartbeat_failures_allowed", deleted_key, 0, 1);
366
367 totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.knet_compression_threshold", deleted_key, 0, 1);
368
369 totem_volatile_config_set_int32_value(totem_config, temp_map, "totem.knet_compression_level", deleted_key, 0, 1);
370
371 totem_volatile_config_set_string_value(totem_config, temp_map, "totem.knet_compression_model", deleted_key, "none");
372
373 totem_volatile_config_set_boolean_value(totem_config, temp_map, "totem.block_unlisted_ips", deleted_key,
374 BLOCK_UNLISTED_IPS);
375
376 totem_volatile_config_set_boolean_value(totem_config, temp_map, "totem.cancel_token_hold_on_retransmit",
377 deleted_key, CANCEL_TOKEN_HOLD_ON_RETRANSMIT);
378}
379
380int totem_volatile_config_validate (
381 struct totem_config *totem_config,
382 icmap_map_t temp_map,
383 const char **error_string)
384{
385 /* Static just to keep them off the stack */
386 static char local_error_reason[512];
387 static char addr_str_buf[INET6_ADDRSTRLEN];
388 const char *error_reason = local_error_reason;
389 char name_key[ICMAP_KEYNAME_MAXLEN];
390 char *name_str;
391 int i, j, num_configured, members;
392 uint32_t tmp_config_value;
393
394 if (totem_config->max_network_delay < MINIMUM_TIMEOUT) {
395 snprintf (local_error_reason, sizeof(local_error_reason),
396 "The max_network_delay parameter (%d ms) may not be less than (%d ms).",
397 totem_config->max_network_delay, MINIMUM_TIMEOUT);
398 goto parse_error;
399 }
400
401 if (totem_config->token_timeout < MINIMUM_TIMEOUT) {
402 snprintf (local_error_reason, sizeof(local_error_reason),
403 "The token timeout parameter (%d ms) may not be less than (%d ms).",
404 totem_config->token_timeout, MINIMUM_TIMEOUT);
405 goto parse_error;
406 }
407
408 if (totem_config->token_warning > 100 || totem_config->token_warning < 0) {
409 snprintf (local_error_reason, sizeof(local_error_reason),
410 "The token warning parameter (%d%%) must be between 0 (disabled) and 100.",
411 totem_config->token_warning);
412 goto parse_error;
413 }
414
415 if (totem_config->token_retransmit_timeout < MINIMUM_TIMEOUT) {
416 if (icmap_get_uint32_r(temp_map, "totem.token_retransmit", &tmp_config_value) == CS_OK) {
417 snprintf (local_error_reason, sizeof(local_error_reason),
418 "The token retransmit timeout parameter (%d ms) may not be less than (%d ms).",
419 totem_config->token_retransmit_timeout, MINIMUM_TIMEOUT);
420 goto parse_error;
421 } else {
422 snprintf (local_error_reason, sizeof(local_error_reason),
423 "Not appropriate token or token_retransmits_before_loss_const value set");
424 goto parse_error;
425 }
426 }
427
428 if (totem_config->token_hold_timeout < MINIMUM_TIMEOUT_HOLD) {
429 snprintf (local_error_reason, sizeof(local_error_reason),
430 "The token hold timeout parameter (%d ms) may not be less than (%d ms).",
431 totem_config->token_hold_timeout, MINIMUM_TIMEOUT_HOLD);
432 goto parse_error;
433 }
434
435 if (totem_config->join_timeout < MINIMUM_TIMEOUT) {
436 snprintf (local_error_reason, sizeof(local_error_reason),
437 "The join timeout parameter (%d ms) may not be less than (%d ms).",
438 totem_config->join_timeout, MINIMUM_TIMEOUT);
439 goto parse_error;
440 }
441
442 if (totem_config->consensus_timeout < MINIMUM_TIMEOUT) {
443 snprintf (local_error_reason, sizeof(local_error_reason),
444 "The consensus timeout parameter (%d ms) may not be less than (%d ms).",
445 totem_config->consensus_timeout, MINIMUM_TIMEOUT);
446 goto parse_error;
447 }
448
449 if (totem_config->consensus_timeout < totem_config->join_timeout) {
450 snprintf (local_error_reason, sizeof(local_error_reason),
451 "The consensus timeout parameter (%d ms) may not be less than join timeout (%d ms).",
452 totem_config->consensus_timeout, totem_config->join_timeout);
453 goto parse_error;
454 }
455
456 if (totem_config->merge_timeout < MINIMUM_TIMEOUT) {
457 snprintf (local_error_reason, sizeof(local_error_reason),
458 "The merge timeout parameter (%d ms) may not be less than (%d ms).",
459 totem_config->merge_timeout, MINIMUM_TIMEOUT);
460 goto parse_error;
461 }
462
463 if (totem_config->downcheck_timeout < MINIMUM_TIMEOUT) {
464 snprintf (local_error_reason, sizeof(local_error_reason),
465 "The downcheck timeout parameter (%d ms) may not be less than (%d ms).",
466 totem_config->downcheck_timeout, MINIMUM_TIMEOUT);
467 goto parse_error;
468 }
469
470 /* Check that we have nodelist 'name' if there is more than one link */
471 num_configured = 0;
472 members = -1;
473 for (i = 0; i < INTERFACE_MAX; i++) {
474 if (totem_config->interfaces[i].configured) {
475 if (num_configured == 0) {
476 members = totem_config->interfaces[i].member_count;
477 }
478 num_configured++;
479 }
480 }
481
482 if (num_configured > 1) {
483 /*
484 * This assert is here just to make compiler happy
485 */
486 assert(members != -1);
487 for (i=0; i < members; i++) {
488 snprintf(name_key, sizeof(name_key), "nodelist.node.%d.name", i);
489
490 if (icmap_get_string_r(temp_map, name_key, &name_str) != CS_OK) {
491 snprintf (local_error_reason, sizeof(local_error_reason),
492 "for a multi-link configuration, all nodes must have a 'name' attribute");
493 goto parse_error;
494 }
495
496 free(name_str);
497 }
498
499 for (i=0; i < INTERFACE_MAX; i++) {
500 if (!totem_config->interfaces[i].configured) {
501 continue;
502 }
503 if (totem_config->interfaces[i].member_count != members) {
504 snprintf (local_error_reason, sizeof(local_error_reason),
505 "Not all nodes have the same number of links");
506 goto parse_error;
507 }
508 }
509 }
510
511 /* Verify that all nodes on the same link have the same IP family */
512 for (i=0; i < INTERFACE_MAX; i++) {
513 for (j=1; j<totem_config->interfaces[i].member_count; j++) {
514 if (totem_config->interfaces[i].configured) {
515 if (totem_config->interfaces[i].member_list[j].family !=
516 totem_config->interfaces[i].member_list[0].family) {
517 memcpy(addr_str_buf,
518 totemip_print(&(totem_config->interfaces[i].member_list[j])),
519 sizeof(addr_str_buf));
520
521 snprintf (local_error_reason, sizeof(local_error_reason),
522 "Nodes for link %d have different IP families "
523 "(compared %s with %s)", i,
524 addr_str_buf,
525 totemip_print(&(totem_config->interfaces[i].member_list[0])));
526 goto parse_error;
527 }
528 }
529 }
530 }
531
532 return 0;
533
534parse_error:
535 snprintf (error_string_response, sizeof(error_string_response),
536 "parse error in config: %s\n", error_reason);
537 *error_string = error_string_response;
538 return (-1);
539
540}
541
542static int totem_get_crypto(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
543{
544 char *str;
545 const char *tmp_cipher;
546 const char *tmp_hash;
547 const char *tmp_model;
548 char *crypto_model_str;
549 int res = 0;
550
551 tmp_hash = "none";
552 tmp_cipher = "none";
553 tmp_model = "none";
554
555 crypto_model_str = NULL;
556 if (icmap_get_string_r(map, "totem.crypto_model", &crypto_model_str) == CS_OK) {
557 tmp_model = crypto_model_str;
558 } else {
559 tmp_model = "nss";
560 }
561
562 if (icmap_get_string_r(map, "totem.secauth", &str) == CS_OK) {
563 if (strcmp(str, "on") == 0) {
564 tmp_cipher = "aes256";
565 tmp_hash = "sha256";
566 }
567 free(str);
568 }
569
570 if (icmap_get_string_r(map, "totem.crypto_cipher", &str) == CS_OK) {
571 if (strcmp(str, "none") == 0) {
572 tmp_cipher = "none";
573 }
574 if (strcmp(str, "aes256") == 0) {
575 tmp_cipher = "aes256";
576 }
577 if (strcmp(str, "aes192") == 0) {
578 tmp_cipher = "aes192";
579 }
580 if (strcmp(str, "aes128") == 0) {
581 tmp_cipher = "aes128";
582 }
583 free(str);
584 }
585
586 if (icmap_get_string_r(map, "totem.crypto_hash", &str) == CS_OK) {
587 if (strcmp(str, "none") == 0) {
588 tmp_hash = "none";
589 }
590 if (strcmp(str, "md5") == 0) {
591 tmp_hash = "md5";
592 }
593 if (strcmp(str, "sha1") == 0) {
594 tmp_hash = "sha1";
595 }
596 if (strcmp(str, "sha256") == 0) {
597 tmp_hash = "sha256";
598 }
599 if (strcmp(str, "sha384") == 0) {
600 tmp_hash = "sha384";
601 }
602 if (strcmp(str, "sha512") == 0) {
603 tmp_hash = "sha512";
604 }
605 free(str);
606 }
607
608 if ((strcmp(tmp_cipher, "none") != 0) &&
609 (strcmp(tmp_hash, "none") == 0)) {
610 *error_string = "crypto_cipher requires crypto_hash with value other than none";
611 res = -1;
612
613 goto out_free_crypto_model_str;
614 }
615
616 if (strcmp(tmp_model, "none") == 0) {
617 /*
618 * Shouldn't happen because it is handled by coroparse
619 */
620 *error_string = "invalid crypto_model";
621 res = -1;
622
623 goto out_free_crypto_model_str;
624 }
625
626 if (strcmp(tmp_cipher, totem_config->crypto_cipher_type) ||
627 strcmp(tmp_hash, totem_config->crypto_hash_type) ||
628 strcmp(tmp_model, totem_config->crypto_model)) {
629 totem_config->crypto_changed = 1;
630 }
631
632 strncpy(totem_config->crypto_cipher_type, tmp_cipher, CONFIG_STRING_LEN_MAX - 1);
633 totem_config->crypto_cipher_type[CONFIG_STRING_LEN_MAX - 1] = '\0';
634
635 strncpy(totem_config->crypto_hash_type, tmp_hash, CONFIG_STRING_LEN_MAX - 1);
636 totem_config->crypto_hash_type[CONFIG_STRING_LEN_MAX - 1] = '\0';
637
638 strncpy(totem_config->crypto_model, tmp_model, CONFIG_STRING_LEN_MAX - 1);
639 totem_config->crypto_model[CONFIG_STRING_LEN_MAX - 1] = '\0';
640
641out_free_crypto_model_str:
642 free(crypto_model_str);
643
644 return (res);
645}
646
647static int nodelist_byname(icmap_map_t map, const char *find_name, int strip_domain)
648{
649 icmap_iter_t iter;
650 const char *iter_key;
651 char name_str[ICMAP_KEYNAME_MAXLEN];
652 int res = 0;
653 unsigned int node_pos;
654 char *name;
655 unsigned int namelen;
656
657 iter = icmap_iter_init_r(map, "nodelist.node.");
658 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
659 res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, name_str);
660 if (res != 2) {
661 continue;
662 }
663 /* ring0_addr is allowed as a fallback */
664 if (strcmp(name_str, "name") && strcmp(name_str, "ring0_addr")) {
665 continue;
666 }
667 if (icmap_get_string_r(map, iter_key, &name) != CS_OK) {
668 continue;
669 }
670 namelen = strlen(name);
671
672 if (strip_domain) {
673 char *dot;
674 dot = strchr(name, '.');
675 if (dot) {
676 namelen = dot - name;
677 }
678 }
679 if (strncmp(find_name, name, namelen) == 0 &&
680 strlen(find_name) == namelen) {
681 icmap_iter_finalize(iter);
682 return node_pos;
683 }
684 }
685 icmap_iter_finalize(iter);
686 return -1;
687}
688
689/* Compare two addresses - only address part (sin_addr/sin6_addr) is checked */
690static int ipaddr_equal(const struct sockaddr *addr1, const struct sockaddr *addr2)
691{
692 int addrlen = 0;
693 const void *addr1p, *addr2p;
694
695 if (addr1->sa_family != addr2->sa_family)
696 return 0;
697
698 switch (addr1->sa_family) {
699 case AF_INET:
700 addrlen = sizeof(struct in_addr);
701 addr1p = &((struct sockaddr_in *)addr1)->sin_addr;
702 addr2p = &((struct sockaddr_in *)addr2)->sin_addr;
703 break;
704 case AF_INET6:
705 addrlen = sizeof(struct in6_addr);
706 addr1p = &((struct sockaddr_in6 *)addr1)->sin6_addr;
707 addr2p = &((struct sockaddr_in6 *)addr2)->sin6_addr;
708 break;
709 default:
710 assert(0);
711 }
712
713 return (memcmp(addr1p, addr2p, addrlen) == 0);
714}
715
716
717/* Finds the local node and returns its position in the nodelist.
718 * Uses nodelist.local_node_pos as a cache to save effort
719 */
720static int find_local_node(icmap_map_t map, int use_cache)
721{
722 char nodename2[PATH_MAX];
723 char name_str[ICMAP_KEYNAME_MAXLEN];
724 icmap_iter_t iter;
725 const char *iter_key;
726 unsigned int cached_pos;
727 char *dot = NULL;
728 const char *node;
729 struct ifaddrs *ifa, *ifa_list;
730 struct sockaddr *sa;
731 int found = 0;
732 int node_pos = -1;
733 int res;
734 struct utsname utsname;
735
736 /* Check for cached value first */
737 if (use_cache) {
738 if (icmap_get_uint32("nodelist.local_node_pos", &cached_pos) == CS_OK) {
739 return cached_pos;
740 }
741 }
742
743 res = uname(&utsname);
744 if (res < 0) {
745 return -1;
746 }
747 node = utsname.nodename;
748
749 /* 1. Exact match */
750 node_pos = nodelist_byname(map, node, 0);
751 if (node_pos > -1) {
752 found = 1;
753 goto ret_found;
754 }
755
756 /* 2. Try to match with increasingly more
757 * specific versions of it
758 */
759 strcpy(nodename2, node);
760 dot = strrchr(nodename2, '.');
761 while (dot) {
762 *dot = '\0';
763
764 node_pos = nodelist_byname(map, nodename2, 0);
765 if (node_pos > -1) {
766 found = 1;
767 goto ret_found;
768 }
769 dot = strrchr(nodename2, '.');
770 }
771
772 node_pos = nodelist_byname(map, nodename2, 1);
773 if (node_pos > -1) {
774 found = 1;
775 goto ret_found;
776 }
777
778 /*
779 * The corosync.conf name may not be related to uname at all,
780 * they may match a hostname on some network interface.
781 */
782 if (getifaddrs(&ifa_list))
783 return -1;
784
785 for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) {
786 socklen_t salen = 0;
787
788 /* Restore this */
789 strcpy(nodename2, node);
790 sa = ifa->ifa_addr;
791 if (!sa) {
792 continue;
793 }
794 if (sa->sa_family != AF_INET && sa->sa_family != AF_INET6) {
795 continue;
796 }
797
798 if (sa->sa_family == AF_INET) {
799 salen = sizeof(struct sockaddr_in);
800 }
801 if (sa->sa_family == AF_INET6) {
802 salen = sizeof(struct sockaddr_in6);
803 }
804
805 if (getnameinfo(sa, salen,
806 nodename2, sizeof(nodename2),
807 NULL, 0, 0) == 0) {
808
809 node_pos = nodelist_byname(map, nodename2, 0);
810 if (node_pos > -1) {
811 found = 1;
812 goto out;
813 }
814
815 /* Truncate this name and try again */
816 dot = strchr(nodename2, '.');
817 if (dot) {
818 *dot = '\0';
819
820 node_pos = nodelist_byname(map, nodename2, 0);
821 if (node_pos > -1) {
822 found = 1;
823 goto out;
824 }
825 }
826 }
827
828 /* See if it's the IP address that's in corosync.conf */
829 if (getnameinfo(sa, sizeof(*sa),
830 nodename2, sizeof(nodename2),
831 NULL, 0, NI_NUMERICHOST))
832 continue;
833
834 node_pos = nodelist_byname(map, nodename2, 0);
835 if (node_pos > -1) {
836 found = 1;
837 goto out;
838 }
839 }
840
841 out:
842 if (found) {
843 freeifaddrs(ifa_list);
844 goto ret_found;
845 }
846
847 /*
848 * This section covers the usecase where the nodename specified in cluster.conf
849 * is an alias specified in /etc/hosts. For example:
850 * <ipaddr> hostname alias1 alias2
851 * and <clusternode name="alias2">
852 * the above calls use uname and getnameinfo does not return aliases.
853 * here we take the name specified in cluster.conf, resolve it to an address
854 * and then compare against all known local ip addresses.
855 * if we have a match, we found our nodename. In theory this chunk of code
856 * could replace all the checks above, but let's avoid any possible regressions
857 * and use it as last.
858 */
859
860 iter = icmap_iter_init_r(map, "nodelist.node.");
861 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
862 char *dbnodename = NULL;
863 struct addrinfo hints;
864 struct addrinfo *result = NULL, *rp = NULL;
865
866 res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, name_str);
867 if (res != 2) {
868 continue;
869 }
870 /* 'ring0_addr' is allowed as a fallback, but 'name' will be found first
871 * because the names are in alpha order.
872 */
873 if (strcmp(name_str, "name") && strcmp(name_str, "ring0_addr")) {
874 continue;
875 }
876 if (icmap_get_string_r(map, iter_key, &dbnodename) != CS_OK) {
877 continue;
878 }
879
880 memset(&hints, 0, sizeof(struct addrinfo));
881 hints.ai_family = AF_UNSPEC;
882 hints.ai_socktype = SOCK_DGRAM;
883 hints.ai_flags = 0;
884 hints.ai_protocol = IPPROTO_UDP;
885
886 if (getaddrinfo(dbnodename, NULL, &hints, &result)) {
887 continue;
888 }
889
890 for (rp = result; rp != NULL; rp = rp->ai_next) {
891 for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) {
892 if (ifa->ifa_addr &&
893 ipaddr_equal(rp->ai_addr, ifa->ifa_addr)) {
894 freeaddrinfo(result);
895 found = 1;
896 goto out2;
897 }
898 }
899 }
900
901 freeaddrinfo(result);
902 }
903out2:
904 icmap_iter_finalize(iter);
905 freeifaddrs(ifa_list);
906
907ret_found:
908 if (found) {
909 res = icmap_set_uint32_r(map, "nodelist.local_node_pos", node_pos);
910 }
911
912 return node_pos;
913}
914
915static enum totem_ip_version_enum totem_config_get_ip_version(struct totem_config *totem_config)
916{
917 enum totem_ip_version_enum res;
918 char *str;
919
920 res = TOTEM_IP_VERSION_6_4;
921
922 if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
923 res = TOTEM_IP_VERSION_4;
924 }
925
926 if (icmap_get_string("totem.ip_version", &str) == CS_OK) {
927 if (strcmp(str, "ipv4") == 0) {
928 res = TOTEM_IP_VERSION_4;
929 }
930 if (strcmp(str, "ipv6") == 0) {
931 res = TOTEM_IP_VERSION_6;
932 }
933 if (strcmp(str, "ipv6-4") == 0) {
934 res = TOTEM_IP_VERSION_6_4;
935 }
936 if (strcmp(str, "ipv4-6") == 0) {
937 res = TOTEM_IP_VERSION_4_6;
938 }
939 free(str);
940 }
941
942 return (res);
943}
944
945static uint16_t generate_cluster_id (const char *cluster_name)
946{
947 int i;
948 int value = 0;
949
950 for (i = 0; i < strlen(cluster_name); i++) {
951 value <<= 1;
952 value += cluster_name[i];
953 }
954
955 return (value & 0xFFFF);
956}
957
958static int get_cluster_mcast_addr (
959 const char *cluster_name,
960 unsigned int linknumber,
961 enum totem_ip_version_enum ip_version,
962 struct totem_ip_address *res)
963{
964 uint16_t clusterid;
965 char addr[INET6_ADDRSTRLEN + 1];
966 int err;
967
968 if (cluster_name == NULL) {
969 return (-1);
970 }
971
972 clusterid = generate_cluster_id(cluster_name) + linknumber;
973 memset (res, 0, sizeof(*res));
974
975 switch (ip_version) {
976 case TOTEM_IP_VERSION_4:
977 case TOTEM_IP_VERSION_4_6:
978 snprintf(addr, sizeof(addr), "239.192.%d.%d", clusterid >> 8, clusterid % 0xFF);
979 break;
980 case TOTEM_IP_VERSION_6:
981 case TOTEM_IP_VERSION_6_4:
982 snprintf(addr, sizeof(addr), "ff15::%x", clusterid);
983 break;
984 default:
985 /*
986 * Unknown family
987 */
988 return (-1);
989 }
990
991 err = totemip_parse (res, addr, ip_version);
992
993 return (err);
994}
995
996static unsigned int generate_nodeid(
997 struct totem_config *totem_config,
998 char *addr)
999{
1000 unsigned int nodeid;
1001 struct totem_ip_address totemip;
1002
1003 /* AF_INET hard-coded here because auto-generated nodeids
1004 are only for IPv4 */
1005 if (totemip_parse(&totemip, addr, TOTEM_IP_VERSION_4) != 0)
1006 return -1;
1007
1008 memcpy (&nodeid, &totemip.addr, sizeof (unsigned int));
1009
1010#if __BYTE_ORDER == __LITTLE_ENDIAN
1011 nodeid = swab32 (nodeid);
1012#endif
1013
1014 if (totem_config->clear_node_high_bit) {
1015 nodeid &= 0x7FFFFFFF;
1016 }
1017 return nodeid;
1018}
1019
1020static int check_for_duplicate_nodeids(
1021 struct totem_config *totem_config,
1022 const char **error_string)
1023{
1024 icmap_iter_t iter;
1025 icmap_iter_t subiter;
1026 const char *iter_key;
1027 int res = 0;
1028 int retval = 0;
1029 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1030 char *ring0_addr=NULL;
1031 char *ring0_addr1=NULL;
1032 unsigned int node_pos;
1033 unsigned int node_pos1;
1034 unsigned int last_node_pos = -1;
1035 unsigned int nodeid;
1036 unsigned int nodeid1;
1037 int autogenerated;
1038
1039 iter = icmap_iter_init("nodelist.node.");
1040 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1041 res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, tmp_key);
1042 if (res != 2) {
1043 continue;
1044 }
1045
1046 /*
1047 * This relies on the fact the icmap keys are always returned in order
1048 * so all of the keys for a node will be grouped together. We're basically
1049 * just running the code below once for each node.
1050 */
1051 if (last_node_pos == node_pos) {
1052 continue;
1053 }
1054 last_node_pos = node_pos;
1055
1056 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
1057 autogenerated = 0;
1058
1059 /* Generated nodeids are only allowed for UDP/UDPU so ring0_addr is valid here */
1060 if (icmap_get_uint32(tmp_key, &nodeid) != CS_OK) {
1061
1062 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos);
1063 if (icmap_get_string(tmp_key, &ring0_addr) != CS_OK) {
1064 continue;
1065 }
1066
1067 /* Generate nodeid so we can check that auto-generated nodeids don't clash either */
1068 nodeid = generate_nodeid(totem_config, ring0_addr);
1069 if (nodeid == -1) {
1070 continue;
1071 }
1072 autogenerated = 1;
1073 }
1074
1075 node_pos1 = 0;
1076 subiter = icmap_iter_init("nodelist.node.");
1077 while (((iter_key = icmap_iter_next(subiter, NULL, NULL)) != NULL) && (node_pos1 < node_pos)) {
1078 res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos1, tmp_key);
1079 if ((res != 2) || (node_pos1 >= node_pos)) {
1080 continue;
1081 }
1082
1083 if (strcmp(tmp_key, "nodeid") != 0) {
1084 continue;
1085 }
1086
1087 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos1);
1088 if (icmap_get_uint32(tmp_key, &nodeid1) != CS_OK) {
1089
1090 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos1);
1091 if (icmap_get_string(tmp_key, &ring0_addr1) != CS_OK) {
1092 continue;
1093 }
1094 nodeid1 = generate_nodeid(totem_config, ring0_addr1);
1095 if (nodeid1 == -1) {
1096 continue;
1097 }
1098 }
1099
1100 if (nodeid == nodeid1) {
1101 retval = -1;
1102 snprintf (error_string_response, sizeof(error_string_response),
1103 "Nodeid %u%s%s%s appears twice in corosync.conf", nodeid,
1104 autogenerated?"(autogenerated from ":"",
1105 autogenerated?ring0_addr:"",
1106 autogenerated?")":"");
1107 *error_string = error_string_response;
1108 break;
1109 }
1110 }
1111 icmap_iter_finalize(subiter);
1112 }
1113 icmap_iter_finalize(iter);
1114 return retval;
1115}
1116
1117
1118/*
1119 * This needs to be done last of all. It would be nice to do it when reading the
1120 * interface params, but the totem params need to have them to be read first. We
1121 * need both, so this is a way round that circular dependancy.
1122 */
1123static void calc_knet_ping_timers(struct totem_config *totem_config)
1124{
1125 char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
1126 int interface;
1127
1128 for (interface = 0; interface < INTERFACE_MAX; interface++) {
1129
1130 if (totem_config->interfaces[interface].configured) {
1131 if (!totem_config->interfaces[interface].knet_pong_count) {
1132 totem_config->interfaces[interface].knet_pong_count = KNET_PONG_COUNT;
1133 }
1134 if (!totem_config->interfaces[interface].knet_ping_timeout) {
1135 totem_config->interfaces[interface].knet_ping_timeout =
1136 totem_config->token_timeout / totem_config->interfaces[interface].knet_pong_count;
1137 }
1138 snprintf(runtime_key_name, sizeof(runtime_key_name),
1139 "runtime.config.totem.interface.%d.knet_ping_timeout", interface);
1140 icmap_set_uint32(runtime_key_name, totem_config->interfaces[interface].knet_ping_timeout);
1141
1142 if (!totem_config->interfaces[interface].knet_ping_interval) {
1143 totem_config->interfaces[interface].knet_ping_interval =
1144 totem_config->token_timeout / (totem_config->interfaces[interface].knet_pong_count * 2);
1145 }
1146 snprintf(runtime_key_name, sizeof(runtime_key_name),
1147 "runtime.config.totem.interface.%d.knet_ping_interval", interface);
1148 icmap_set_uint32(runtime_key_name, totem_config->interfaces[interface].knet_ping_interval);
1149 }
1150 }
1151}
1152
1153/*
1154 * Compute difference between two set of totem interface arrays and commit it.
1155 * set1 and set2
1156 * are changed so for same ring, ip existing in both set1 and set2 are cleared
1157 * (set to 0), and ips which are only in set1 or set2 remains untouched.
1158 * totempg_node_add/remove is called.
1159 */
1160static void compute_and_set_totempg_interfaces(struct totem_interface *set1,
1161 struct totem_interface *set2)
1162{
1163 int ring_no, set1_pos, set2_pos;
1164 struct totem_ip_address empty_ip_address;
1165
1166 memset(&empty_ip_address, 0, sizeof(empty_ip_address));
1167
1168 for (ring_no = 0; ring_no < INTERFACE_MAX; ring_no++) {
1169 if (!set1[ring_no].configured && !set2[ring_no].configured) {
1170 continue;
1171 }
1172
1173 for (set1_pos = 0; set1_pos < set1[ring_no].member_count; set1_pos++) {
1174 for (set2_pos = 0; set2_pos < set2[ring_no].member_count; set2_pos++) {
1175 /*
1176 * For current ring_no remove all set1 items existing
1177 * in set2
1178 */
1179 if (memcmp(&set1[ring_no].member_list[set1_pos],
1180 &set2[ring_no].member_list[set2_pos],
1181 sizeof(struct totem_ip_address)) == 0) {
1182 memset(&set1[ring_no].member_list[set1_pos], 0,
1183 sizeof(struct totem_ip_address));
1184 memset(&set2[ring_no].member_list[set2_pos], 0,
1185 sizeof(struct totem_ip_address));
1186 }
1187 }
1188 }
1189 }
1190
1191 for (ring_no = 0; ring_no < INTERFACE_MAX; ring_no++) {
1192 for (set1_pos = 0; set1_pos < set1[ring_no].member_count; set1_pos++) {
1193 /*
1194 * All items which remain in set1 and don't exist in set2 any more
1195 * have to be removed.
1196 */
1197 if (memcmp(&set1[ring_no].member_list[set1_pos], &empty_ip_address, sizeof(empty_ip_address)) != 0) {
1198 log_printf(LOGSYS_LEVEL_DEBUG,
1199 "removing dynamic member %s for ring %u",
1200 totemip_print(&set1[ring_no].member_list[set1_pos]),
1201 ring_no);
1202
1203 totempg_member_remove(&set1[ring_no].member_list[set1_pos], ring_no);
1204 }
1205 }
1206 if (!set2[ring_no].configured) {
1207 continue;
1208 }
1209 for (set2_pos = 0; set2_pos < set2[ring_no].member_count; set2_pos++) {
1210 /*
1211 * All items which remain in set2 and don't exist in set1 are new nodes
1212 * and have to be added.
1213 */
1214 if (memcmp(&set2[ring_no].member_list[set2_pos], &empty_ip_address, sizeof(empty_ip_address)) != 0) {
1215 log_printf(LOGSYS_LEVEL_DEBUG,
1216 "adding dynamic member %s for ring %u",
1217 totemip_print(&set2[ring_no].member_list[set2_pos]),
1218 ring_no);
1219
1220 totempg_member_add(&set2[ring_no].member_list[set2_pos], ring_no);
1221 }
1222 }
1223 }
1224}
1225
1226/*
1227 * Configure parameters for links
1228 */
1229static void configure_link_params(struct totem_config *totem_config, icmap_map_t map)
1230{
1231 int i;
1232 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1233 char *addr_string;
1234 int err;
1235 int local_node_pos = find_local_node(map, 0);
1236
1237 for (i = 0; i<INTERFACE_MAX; i++) {
1238 if (!totem_config->interfaces[i].configured) {
1239 continue;
1240 }
1241
1242 log_printf(LOGSYS_LEVEL_DEBUG, "Configuring link %d params\n", i);
1243
1244 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring%u_addr", local_node_pos, i);
1245 if (icmap_get_string_r(map, tmp_key, &addr_string) != CS_OK) {
1246 continue;
1247 }
1248
1249 err = totemip_parse(&totem_config->interfaces[i].local_ip, addr_string, totem_config->ip_version);
1250 if (err != 0) {
1251 continue;
1252 }
1253 totem_config->interfaces[i].local_ip.nodeid = totem_config->node_id;
1254
1255 /* In case this is a new link, fill in the defaults if there was no interface{} section for it */
1256 if (!totem_config->interfaces[i].knet_link_priority)
1257 totem_config->interfaces[i].knet_link_priority = 1;
1258
1259 /* knet_ping_interval & knet_ping_timeout are set later once we know all the other params */
1260 if (!totem_config->interfaces[i].knet_ping_precision)
1261 totem_config->interfaces[i].knet_ping_precision = KNET_PING_PRECISION;
1262 if (!totem_config->interfaces[i].knet_pong_count)
1263 totem_config->interfaces[i].knet_pong_count = KNET_PONG_COUNT;
1264 if (!totem_config->interfaces[i].knet_transport)
1265 totem_config->interfaces[i].knet_transport = KNET_TRANSPORT_UDP;
1266 if (!totem_config->interfaces[i].ip_port)
1267 totem_config->interfaces[i].ip_port = DEFAULT_PORT + i;
1268 }
1269}
1270
1271
1272static void configure_totem_links(struct totem_config *totem_config, icmap_map_t map)
1273{
1274 int i;
1275
1276 for (i = 0; i<INTERFACE_MAX; i++) {
1277 if (!totem_config->interfaces[i].configured) {
1278 continue;
1279 }
1280
1281 log_printf(LOGSYS_LEVEL_INFO, "Configuring link %d\n", i);
1282
1283 totempg_iface_set(&totem_config->interfaces[i].local_ip, totem_config->interfaces[i].ip_port, i);
1284 }
1285}
1286
1287/* Check for differences in config that can't be done on-the-fly and print an error */
1288static int check_things_have_not_changed(struct totem_config *totem_config, const char **error_string)
1289{
1290 int i,j,k;
1291 const char *ip_str;
1292 char addr_buf[INET6_ADDRSTRLEN];
1293 int changed = 0;
1294
1295 for (i = 0; i<INTERFACE_MAX; i++) {
1296 if (totem_config->interfaces[i].configured &&
1297 totem_config->orig_interfaces[i].configured) {
1298 if (totem_config->interfaces[i].knet_transport !=
1299 totem_config->orig_interfaces[i].knet_transport) {
1300 log_printf(LOGSYS_LEVEL_ERROR,
1301 "New config has different knet transport for link %d. Internal value was NOT changed.\n", i);
1302 changed = 1;
1303 }
1304
1305 /* Check each nodeid in the new configuration and make sure its IP address on this link has not changed */
1306 for (j=0; j < totem_config->interfaces[i].member_count; j++) {
1307 for (k=0; k < totem_config->orig_interfaces[i].member_count; k++) {
1308
1309 if (totem_config->interfaces[i].member_list[j].nodeid ==
1310 totem_config->orig_interfaces[i].member_list[k].nodeid) {
1311
1312 /* Found our nodeid - check the IP address */
1313 if (memcmp(&totem_config->interfaces[i].member_list[j],
1314 &totem_config->orig_interfaces[i].member_list[k],
1315 sizeof(struct totem_ip_address))) {
1316
1317 ip_str = totemip_print(&totem_config->orig_interfaces[i].member_list[k]);
1318
1319 /* if ip_str is NULL then the old address was invalid and is allowed to change */
1320 if (ip_str) {
1321 strncpy(addr_buf, ip_str, sizeof(addr_buf));
1322 addr_buf[sizeof(addr_buf) - 1] = '\0';
1323 log_printf(LOGSYS_LEVEL_ERROR,
1324 "new config has different address for link %d (addr changed from %s to %s). Internal value was NOT changed.\n",
1325 i, addr_buf, totemip_print(&totem_config->interfaces[i].member_list[j]));
1326 changed = 1;
1327 }
1328 }
1329 }
1330 }
1331 }
1332 }
1333 }
1334
1335 if (changed) {
1336 snprintf (error_string_response, sizeof(error_string_response),
1337 "To reconfigure an interface it must be deleted and recreated. A working interface needs to be available to corosync at all times");
1338 *error_string = error_string_response;
1339 return -1;
1340 }
1341 return 0;
1342}
1343
1344
1345static int put_nodelist_members_to_config(struct totem_config *totem_config, icmap_map_t map,
1346 int reload, const char **error_string)
1347{
1348 icmap_iter_t iter, iter2;
1349 const char *iter_key, *iter_key2;
1350 int res = 0;
1351 unsigned int node_pos;
1352 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1353 char tmp_key2[ICMAP_KEYNAME_MAXLEN];
1354 char *node_addr_str;
1355 int member_count;
1356 unsigned int linknumber = 0;
1357 int i, j;
1358 int last_node_pos = -1;
1359
1360 /* Clear out nodelist so we can put the new one in if needed */
1361 for (i = 0; i < INTERFACE_MAX; i++) {
1362 for (j = 0; j < PROCESSOR_COUNT_MAX; j++) {
1363 memset(&totem_config->interfaces[i].member_list[j], 0, sizeof(struct totem_ip_address));
1364 }
1365 totem_config->interfaces[i].member_count = 0;
1366 }
1367
1368 iter = icmap_iter_init_r(map, "nodelist.node.");
1369 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1370 res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, tmp_key);
1371 if (res != 2) {
1372 continue;
1373 }
1374 /* If it's the same as the last node_pos then skip it */
1375 if (node_pos == last_node_pos) {
1376 continue;
1377 }
1378 last_node_pos = node_pos;
1379
1380 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
1381 iter2 = icmap_iter_init_r(map, tmp_key);
1382 while ((iter_key2 = icmap_iter_next(iter2, NULL, NULL)) != NULL) {
1383 unsigned int nodeid;
1384 char *str;
1385
1386 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
1387 if (icmap_get_uint32_r(map, tmp_key, &nodeid) != CS_OK) {
1388 nodeid = 0;
1389 }
1390
1391 res = sscanf(iter_key2, "nodelist.node.%u.ring%u%s", &node_pos, &linknumber, tmp_key2);
1392 if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
1393 continue;
1394 }
1395 if (linknumber >= INTERFACE_MAX) {
1396 snprintf (error_string_response, sizeof(error_string_response),
1397 "parse error in config: interface ring number %u is bigger than allowed maximum %u\n",
1398 linknumber, INTERFACE_MAX - 1);
1399 *error_string = error_string_response;
1400
1401 icmap_iter_finalize(iter2);
1402 icmap_iter_finalize(iter);
1403 return (-1);
1404 }
1405
1406 if (icmap_get_string_r(map, iter_key2, &node_addr_str) != CS_OK) {
1407 continue;
1408 }
1409
1410 /* Generate nodeids if they are not provided and transport is UDP/U */
1411 if (!nodeid &&
1412 (totem_config->transport_number == TOTEM_TRANSPORT_UDP ||
1413 totem_config->transport_number == TOTEM_TRANSPORT_UDPU)) {
1414 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos);
1415 if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1416 nodeid = generate_nodeid(totem_config, str);
1417 if (nodeid == -1) {
1418 sprintf(error_string_response,
1419 "An IPV6 network requires that a node ID be specified "
1420 "for address '%s'.", node_addr_str);
1421 *error_string = error_string_response;
1422 free(str);
1423
1424 return (-1);
1425 }
1426
1427 log_printf(LOGSYS_LEVEL_DEBUG,
1428 "Generated nodeid = " CS_PRI_NODE_ID " for %s", nodeid, str);
1429
1430 free(str);
1431 /*
1432 * Put nodeid back to nodelist to make cfgtool work
1433 */
1434 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
1435 /*
1436 * Not critical
1437 */
1438 (void)icmap_set_uint32_r(map, tmp_key, nodeid);
1439 }
1440 }
1441
1442 if (!nodeid && totem_config->transport_number == TOTEM_TRANSPORT_KNET) {
1443 sprintf(error_string_response,
1444 "Knet requires an explicit nodeid to be specified "
1445 "for address '%s'.", node_addr_str);
1446 *error_string = error_string_response;
1447
1448 return (-1);
1449 }
1450
1451 if (totem_config->transport_number == TOTEM_TRANSPORT_KNET && nodeid >= KNET_MAX_HOST) {
1452 sprintf(error_string_response,
1453 "Knet requires nodeid to be less than %u "
1454 "for address '%s'.", KNET_MAX_HOST, node_addr_str);
1455 *error_string = error_string_response;
1456
1457 return (-1);
1458 }
1459
1460 member_count = totem_config->interfaces[linknumber].member_count;
1461 res = totemip_parse(&totem_config->interfaces[linknumber].member_list[member_count],
1462 node_addr_str, totem_config->ip_version);
1463 if (res == 0) {
1464 totem_config->interfaces[linknumber].member_list[member_count].nodeid = nodeid;
1465 totem_config->interfaces[linknumber].member_count++;
1466 totem_config->interfaces[linknumber].configured = 1;
1467 } else {
1468 sprintf(error_string_response, "failed to parse node address '%s'\n", node_addr_str);
1469 *error_string = error_string_response;
1470
1471 memset(&totem_config->interfaces[linknumber].member_list[member_count], 0,
1472 sizeof(struct totem_ip_address));
1473
1474 free(node_addr_str);
1475 icmap_iter_finalize(iter2);
1476 icmap_iter_finalize(iter);
1477 return -1;
1478 }
1479
1480 free(node_addr_str);
1481 }
1482
1483 icmap_iter_finalize(iter2);
1484 }
1485
1486 icmap_iter_finalize(iter);
1487
1488 configure_link_params(totem_config, map);
1489 if (reload) {
1490 log_printf(LOGSYS_LEVEL_DEBUG, "About to reconfigure links from nodelist.\n");
1491
1492 if (check_things_have_not_changed(totem_config, error_string) == -1) {
1493 return -1;
1494 }
1495 }
1496 return 0;
1497}
1498
1499static void config_convert_nodelist_to_interface(icmap_map_t map, struct totem_config *totem_config)
1500{
1501 int res = 0;
1502 int node_pos;
1503 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1504 char tmp_key2[ICMAP_KEYNAME_MAXLEN];
1505 char *node_addr_str;
1506 unsigned int linknumber = 0;
1507 icmap_iter_t iter;
1508 const char *iter_key;
1509
1510 node_pos = find_local_node(map, 1);
1511 if (node_pos > -1) {
1512 /*
1513 * We found node, so create interface section
1514 */
1515 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
1516 iter = icmap_iter_init_r(map, tmp_key);
1517 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1518 res = sscanf(iter_key, "nodelist.node.%u.ring%u%s", &node_pos, &linknumber, tmp_key2);
1519 if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
1520 continue ;
1521 }
1522
1523 if (icmap_get_string_r(map, iter_key, &node_addr_str) != CS_OK) {
1524 continue;
1525 }
1526
1527 snprintf(tmp_key2, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", linknumber);
1528 icmap_set_string_r(map, tmp_key2, node_addr_str);
1529 free(node_addr_str);
1530 }
1531 icmap_iter_finalize(iter);
1532 }
1533}
1534
1535static int get_interface_params(struct totem_config *totem_config, icmap_map_t map,
1536 const char **error_string, uint64_t *warnings,
1537 int reload)
1538{
1539 int res = 0;
1540 unsigned int linknumber = 0;
1541 int member_count = 0;
1542 int i;
1543 icmap_iter_t iter, member_iter;
1544 const char *iter_key;
1545 const char *member_iter_key;
1546 char linknumber_key[ICMAP_KEYNAME_MAXLEN];
1547 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1548 uint8_t u8;
1549 uint32_t u32;
1550 char *str;
1551 char *cluster_name = NULL;
1552 enum totem_ip_version_enum tmp_ip_version = TOTEM_IP_VERSION_4;
1553 int ret = 0;
1554
1555 if (reload) {
1556 for (i=0; i<INTERFACE_MAX; i++) {
1557 /*
1558 * Set back to defaults things that might have been configured and
1559 * now have been taken out of corosync.conf. These won't be caught by the
1560 * code below which only looks at interface{} sections that actually exist.
1561 */
1562 totem_config->interfaces[i].configured = 0;
1563 totem_config->interfaces[i].knet_ping_timeout = 0;
1564 totem_config->interfaces[i].knet_ping_interval = 0;
1565 totem_config->interfaces[i].knet_ping_precision = KNET_PING_PRECISION;
1566 totem_config->interfaces[i].knet_pong_count = KNET_PONG_COUNT;
1567 }
1568 }
1569 if (icmap_get_string_r(map, "totem.cluster_name", &cluster_name) != CS_OK) {
1570 cluster_name = NULL;
1571 }
1572
1573 iter = icmap_iter_init_r(map, "totem.interface.");
1574 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1575 res = sscanf(iter_key, "totem.interface.%[^.].%s", linknumber_key, tmp_key);
1576 if (res != 2) {
1577 continue;
1578 }
1579
1580 if (strcmp(tmp_key, "bindnetaddr") != 0 && totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
1581 continue;
1582 }
1583
1584 member_count = 0;
1585 linknumber = atoi(linknumber_key);
1586
1587 if (linknumber >= INTERFACE_MAX) {
1588 snprintf (error_string_response, sizeof(error_string_response),
1589 "parse error in config: interface ring number %u is bigger than allowed maximum %u\n",
1590 linknumber, INTERFACE_MAX - 1);
1591
1592 *error_string = error_string_response;
1593 ret = -1;
1594 goto out;
1595 }
1596
1597 /* These things are only valid for the initial read */
1598 if (!reload) {
1599 /*
1600 * Get the bind net address
1601 */
1602 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", linknumber);
1603
1604 if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1605 res = totemip_parse (&totem_config->interfaces[linknumber].bindnet, str,
1606 totem_config->ip_version);
1607
1608 if (res) {
1609 sprintf(error_string_response, "failed to parse bindnet address '%s'\n", str);
1610 *error_string = error_string_response;
1611 free(str);
1612
1613 ret = -1;
1614 goto out;
1615 }
1616
1617 free(str);
1618 }
1619
1620 /*
1621 * Get interface multicast address
1622 */
1623 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", linknumber);
1624 if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1625 res = totemip_parse (&totem_config->interfaces[linknumber].mcast_addr, str,
1626 totem_config->ip_version);
1627
1628 if (res) {
1629 sprintf(error_string_response, "failed to parse mcast address '%s'\n", str);
1630 *error_string = error_string_response;
1631 free(str);
1632
1633 ret = -1;
1634 goto out;
1635 }
1636
1637 free(str);
1638 } else if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
1639 /*
1640 * User not specified address -> autogenerate one from cluster_name key
1641 * (if available). Return code is intentionally ignored, because
1642 * udpu doesn't need mcastaddr and validity of mcastaddr for udp is
1643 * checked later anyway.
1644 */
1645
1646 if (totem_config->interfaces[0].bindnet.family == AF_INET) {
1647 tmp_ip_version = TOTEM_IP_VERSION_4;
1648 } else if (totem_config->interfaces[0].bindnet.family == AF_INET6) {
1649 tmp_ip_version = TOTEM_IP_VERSION_6;
1650 }
1651
1652 (void)get_cluster_mcast_addr (cluster_name,
1653 linknumber,
1654 tmp_ip_version,
1655 &totem_config->interfaces[linknumber].mcast_addr);
1656 }
1657
1658 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.broadcast", linknumber);
1659 if (icmap_get_string(tmp_key, &str) == CS_OK) {
1660 if (strcmp (str, "yes") == 0) {
1661 totem_config->broadcast_use = 1;
1662 }
1663 free(str);
1664 }
1665 }
1666
1667 /* These things are only valid for the initial read OR a newly-defined link */
1668 if (!reload || (totem_config->interfaces[linknumber].configured == 0)) {
1669
1670 /*
1671 * Get mcast port
1672 */
1673 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", linknumber);
1674 if (icmap_get_uint16_r(map, tmp_key, &totem_config->interfaces[linknumber].ip_port) != CS_OK) {
1675 if (totem_config->broadcast_use) {
1676 totem_config->interfaces[linknumber].ip_port = DEFAULT_PORT + (2 * linknumber);
1677 } else {
1678 totem_config->interfaces[linknumber].ip_port = DEFAULT_PORT + linknumber;
1679 }
1680 }
1681
1682 /*
1683 * Get the TTL
1684 */
1685 totem_config->interfaces[linknumber].ttl = 1;
1686
1687 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.ttl", linknumber);
1688
1689 if (icmap_get_uint8_r(map, tmp_key, &u8) == CS_OK) {
1690 totem_config->interfaces[linknumber].ttl = u8;
1691 }
1692
1693 totem_config->interfaces[linknumber].knet_transport = KNET_DEFAULT_TRANSPORT;
1694 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_transport", linknumber);
1695 if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1696 if (strcmp(str, "sctp") == 0) {
1697 totem_config->interfaces[linknumber].knet_transport = KNET_TRANSPORT_SCTP;
1698 }
1699 else if (strcmp(str, "udp") == 0) {
1700 totem_config->interfaces[linknumber].knet_transport = KNET_TRANSPORT_UDP;
1701 }
1702 else {
1703 *error_string = "Unrecognised knet_transport. expected 'udp' or 'sctp'";
1704 ret = -1;
1705 goto out;
1706 }
1707 }
1708 }
1709 totem_config->interfaces[linknumber].configured = 1;
1710
1711 /*
1712 * Get the knet link params
1713 */
1714 totem_config->interfaces[linknumber].knet_link_priority = 1;
1715 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_link_priority", linknumber);
1716
1717 if (icmap_get_uint8_r(map, tmp_key, &u8) == CS_OK) {
1718 totem_config->interfaces[linknumber].knet_link_priority = u8;
1719 }
1720
1721 totem_config->interfaces[linknumber].knet_ping_interval = 0; /* real default applied later */
1722 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_interval", linknumber);
1723 if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1724 totem_config->interfaces[linknumber].knet_ping_interval = u32;
1725 }
1726 totem_config->interfaces[linknumber].knet_ping_timeout = 0; /* real default applied later */
1727 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_timeout", linknumber);
1728 if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1729 totem_config->interfaces[linknumber].knet_ping_timeout = u32;
1730 }
1731 totem_config->interfaces[linknumber].knet_ping_precision = KNET_PING_PRECISION;
1732 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_precision", linknumber);
1733 if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1734 totem_config->interfaces[linknumber].knet_ping_precision = u32;
1735 }
1736 totem_config->interfaces[linknumber].knet_pong_count = KNET_PONG_COUNT;
1737 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_pong_count", linknumber);
1738 if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1739 totem_config->interfaces[linknumber].knet_pong_count = u32;
1740 }
1741
1742 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.member.", linknumber);
1743 member_iter = icmap_iter_init_r(map, tmp_key);
1744 while ((member_iter_key = icmap_iter_next(member_iter, NULL, NULL)) != NULL) {
1745 if (member_count == 0) {
1746 if (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK) {
1747 free(str);
1748 *warnings |= TOTEM_CONFIG_WARNING_MEMBERS_IGNORED;
1749 break;
1750 } else {
1751 *warnings |= TOTEM_CONFIG_WARNING_MEMBERS_DEPRECATED;
1752 }
1753 }
1754
1755 if (icmap_get_string_r(map, member_iter_key, &str) == CS_OK) {
1756 res = totemip_parse (&totem_config->interfaces[linknumber].member_list[member_count++],
1757 str, totem_config->ip_version);
1758 if (res) {
1759 sprintf(error_string_response, "failed to parse node address '%s'\n", str);
1760 *error_string = error_string_response;
1761
1762 icmap_iter_finalize(member_iter);
1763 free(str);
1764 ret = -1;
1765 goto out;
1766 }
1767
1768 free(str);
1769 }
1770 }
1771 icmap_iter_finalize(member_iter);
1772
1773 totem_config->interfaces[linknumber].member_count = member_count;
1774
1775 }
1776
1777out:
1778 icmap_iter_finalize(iter);
1779 free(cluster_name);
1780
1781 return (ret);
1782}
1783
1784extern int totem_config_read (
1785 struct totem_config *totem_config,
1786 const char **error_string,
1787 uint64_t *warnings)
1788{
1789 int res = 0;
1790 char *str, *ring0_addr_str;
1791 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1792 uint16_t u16;
1793 int i;
1794 int local_node_pos;
1795 uint32_t u32;
1796
1797 *warnings = 0;
1798
1799 memset (totem_config, 0, sizeof (struct totem_config));
1800 totem_config->interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
1801 if (totem_config->interfaces == 0) {
1802 *error_string = "Out of memory trying to allocate ethernet interface storage area";
1803 return -1;
1804 }
1805
1806 totem_config->transport_number = TOTEM_TRANSPORT_KNET;
1807 if (icmap_get_string("totem.transport", &str) == CS_OK) {
1808 if (strcmp (str, "udpu") == 0) {
1809 totem_config->transport_number = TOTEM_TRANSPORT_UDPU;
1810 } else if (strcmp (str, "udp") == 0) {
1811 totem_config->transport_number = TOTEM_TRANSPORT_UDP;
1812 } else if (strcmp (str, "knet") == 0) {
1813 totem_config->transport_number = TOTEM_TRANSPORT_KNET;
1814 } else {
1815 *error_string = "Invalid transport type. Should be udpu, udp or knet";
1816 free(str);
1817 return -1;
1818 }
1819
1820 free(str);
1821 }
1822
1823 memset (totem_config->interfaces, 0,
1824 sizeof (struct totem_interface) * INTERFACE_MAX);
1825
1826 strcpy (totem_config->link_mode, "passive");
1827
1828 icmap_get_uint32("totem.version", (uint32_t *)&totem_config->version);
1829
1830 /* initial crypto load */
1831 if (totem_get_crypto(totem_config, icmap_get_global_map(), error_string) != 0) {
1832 return -1;
1833 }
1834 if (totem_config_keyread(totem_config, icmap_get_global_map(), error_string) != 0) {
1835 return -1;
1836 }
1837 totem_config->crypto_index = 1;
1838 totem_config->crypto_changed = 0;
1839
1840 if (icmap_get_string("totem.link_mode", &str) == CS_OK) {
1841 if (strlen(str) >= TOTEM_LINK_MODE_BYTES) {
1842 *error_string = "totem.link_mode is too long";
1843 free(str);
1844
1845 return -1;
1846 }
1847 strcpy (totem_config->link_mode, str);
1848 free(str);
1849 }
1850
1851 if (icmap_get_uint32("totem.nodeid", &u32) == CS_OK) {
1852 *warnings |= TOTEM_CONFIG_WARNING_TOTEM_NODEID_SET;
1853 }
1854
1855 totem_config->clear_node_high_bit = 0;
1856 if (icmap_get_string("totem.clear_node_high_bit", &str) == CS_OK) {
1857 if (strcmp (str, "yes") == 0) {
1858 totem_config->clear_node_high_bit = 1;
1859 }
1860 free(str);
1861 }
1862
1863 icmap_get_uint32("totem.threads", &totem_config->threads);
1864
1865 icmap_get_uint32("totem.netmtu", &totem_config->net_mtu);
1866
1867 totem_config->ip_version = totem_config_get_ip_version(totem_config);
1868
1869 if (icmap_get_string("totem.interface.0.bindnetaddr", &str) != CS_OK) {
1870 /*
1871 * We were not able to find ring 0 bindnet addr. Try to use nodelist informations
1872 */
1873 config_convert_nodelist_to_interface(icmap_get_global_map(), totem_config);
1874 } else {
1875 if (icmap_get_string("nodelist.node.0.ring0_addr", &ring0_addr_str) == CS_OK) {
1876 /*
1877 * Both bindnetaddr and ring0_addr are set.
1878 * Log warning information, and use nodelist instead
1879 */
1880 *warnings |= TOTEM_CONFIG_BINDNETADDR_NODELIST_SET;
1881
1882 config_convert_nodelist_to_interface(icmap_get_global_map(), totem_config);
1883
1884 free(ring0_addr_str);
1885 }
1886
1887 free(str);
1888 }
1889
1890 /*
1891 * Broadcast option is global but set in interface section,
1892 * so reset before processing interfaces.
1893 */
1894 totem_config->broadcast_use = 0;
1895
1896 res = get_interface_params(totem_config, icmap_get_global_map(), error_string, warnings, 0);
1897 if (res < 0) {
1898 return res;
1899 }
1900
1901 /*
1902 * Use broadcast is global, so if set, make sure to fill mcast addr correctly
1903 * broadcast is only supported for UDP so just do interface 0;
1904 */
1905 if (totem_config->broadcast_use) {
1906 totemip_parse (&totem_config->interfaces[0].mcast_addr,
1907 "255.255.255.255", TOTEM_IP_VERSION_4);
1908 }
1909
1910
1911 /*
1912 * Store automatically generated items back to icmap only for UDP
1913 */
1914 if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
1915 for (i = 0; i < INTERFACE_MAX; i++) {
1916 if (!totem_config->interfaces[i].configured) {
1917 continue;
1918 }
1919 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", i);
1920 if (icmap_get_string(tmp_key, &str) == CS_OK) {
1921 free(str);
1922 } else {
1923 str = (char *)totemip_print(&totem_config->interfaces[i].mcast_addr);
1924 icmap_set_string(tmp_key, str);
1925 }
1926
1927 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", i);
1928 if (icmap_get_uint16(tmp_key, &u16) != CS_OK) {
1929 icmap_set_uint16(tmp_key, totem_config->interfaces[i].ip_port);
1930 }
1931 }
1932 }
1933
1934 /*
1935 * Check existence of nodelist
1936 */
1937 if ((icmap_get_string("nodelist.node.0.name", &str) == CS_OK) ||
1938 (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK)) {
1939 free(str);
1940 /*
1941 * find local node
1942 */
1943 local_node_pos = find_local_node(icmap_get_global_map(), 1);
1944 if (local_node_pos != -1) {
1945
1946 assert(totem_config->node_id == 0);
1947
1948 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", local_node_pos);
1949 (void)icmap_get_uint32(tmp_key, &totem_config->node_id);
1950
1951
1952 if ((totem_config->transport_number == TOTEM_TRANSPORT_KNET) && (!totem_config->node_id)) {
1953 *error_string = "Knet requires an explicit nodeid for the local node";
1954 return -1;
1955 }
1956
1957 if ((totem_config->transport_number == TOTEM_TRANSPORT_UDP ||
1958 totem_config->transport_number == TOTEM_TRANSPORT_UDPU) && (!totem_config->node_id)) {
1959
1960 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", local_node_pos);
1961 icmap_get_string(tmp_key, &str);
1962
1963 totem_config->node_id = generate_nodeid(totem_config, str);
1964 if (totem_config->node_id == -1) {
1965 *error_string = "An IPV6 network requires that a node ID be specified";
1966
1967 free(str);
1968 return (-1);
1969 }
1970
1971 totem_config->interfaces[0].member_list[local_node_pos].nodeid = totem_config->node_id;
1972
1973 free(str);
1974 }
1975
1976 /* Users must not change this */
1977 icmap_set_ro_access("nodelist.local_node_pos", 0, 1);
1978 }
1979
1980 if (put_nodelist_members_to_config(totem_config, icmap_get_global_map(), 0, error_string)) {
1981 return -1;
1982 }
1983 }
1984
1985 /*
1986 * Get things that might change in the future (and can depend on totem_config->interfaces);
1987 */
1988 totem_volatile_config_read(totem_config, icmap_get_global_map(), NULL);
1989
1990 calc_knet_ping_timers(totem_config);
1991
1992 /* This is now done in the totemknet interface callback */
1993 /* configure_totem_links(totem_config, icmap_get_global_map()); */
1994
1995 add_totem_config_notification(totem_config);
1996
1997 return 0;
1998}
1999
2000
2001int totem_config_validate (
2002 struct totem_config *totem_config,
2003 const char **error_string)
2004{
2005 static char local_error_reason[512];
2006 char parse_error[512];
2007 const char *error_reason = local_error_reason;
2008 int i;
2009 uint32_t u32;
2010 int num_configured = 0;
2011 unsigned int interface_max = INTERFACE_MAX;
2012
2013 for (i = 0; i < INTERFACE_MAX; i++) {
2014 if (totem_config->interfaces[i].configured) {
2015 num_configured++;
2016 }
2017 }
2018 if (num_configured == 0) {
2019 error_reason = "No interfaces defined";
2020 goto parse_error;
2021 }
2022
2023 /* Check we found a local node name */
2024 if (icmap_get_uint32("nodelist.local_node_pos", &u32) != CS_OK) {
2025 error_reason = "No valid name found for local host";
2026 goto parse_error;
2027 }
2028
2029 for (i = 0; i < INTERFACE_MAX; i++) {
2030 /*
2031 * Some error checking of parsed data to make sure its valid
2032 */
2033
2034 struct totem_ip_address null_addr;
2035
2036 if (!totem_config->interfaces[i].configured) {
2037 continue;
2038 }
2039
2040 memset (&null_addr, 0, sizeof (struct totem_ip_address));
2041
2042 if ((totem_config->transport_number == TOTEM_TRANSPORT_UDP) &&
2043 memcmp (&totem_config->interfaces[i].mcast_addr, &null_addr,
2044 sizeof (struct totem_ip_address)) == 0) {
2045 snprintf (local_error_reason, sizeof(local_error_reason),
2046 "No multicast address specified for interface %u", i);
2047 goto parse_error;
2048 }
2049
2050 if (totem_config->interfaces[i].ip_port == 0) {
2051 snprintf (local_error_reason, sizeof(local_error_reason),
2052 "No multicast port specified for interface %u", i);
2053 goto parse_error;
2054 }
2055
2056 if (totem_config->interfaces[i].ttl > 255) {
2057 snprintf (local_error_reason, sizeof(local_error_reason),
2058 "Invalid TTL (should be 0..255) for interface %u", i);
2059 goto parse_error;
2060 }
2061 if (totem_config->transport_number != TOTEM_TRANSPORT_UDP &&
2062 totem_config->interfaces[i].ttl != 1) {
2063 snprintf (local_error_reason, sizeof(local_error_reason),
2064 "Can only set ttl on multicast transport types for interface %u", i);
2065 goto parse_error;
2066 }
2067 if (totem_config->interfaces[i].knet_link_priority > 255) {
2068 snprintf (local_error_reason, sizeof(local_error_reason),
2069 "Invalid link priority (should be 0..255) for interface %u", i);
2070 goto parse_error;
2071 }
2072 if (totem_config->transport_number != TOTEM_TRANSPORT_KNET &&
2073 totem_config->interfaces[i].knet_link_priority != 1) {
2074 snprintf (local_error_reason, sizeof(local_error_reason),
2075 "Can only set link priority on knet transport type for interface %u", i);
2076 goto parse_error;
2077 }
2078
2079 if (totem_config->interfaces[i].mcast_addr.family == AF_INET6 &&
2080 totem_config->node_id == 0) {
2081 snprintf (local_error_reason, sizeof(local_error_reason),
2082 "An IPV6 network requires that a node ID be specified for interface %u", i);
2083 goto parse_error;
2084 }
2085
2086 if (totem_config->broadcast_use == 0 && totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
2087 if (totem_config->interfaces[i].mcast_addr.family != totem_config->interfaces[i].bindnet.family) {
2088 snprintf (local_error_reason, sizeof(local_error_reason),
2089 "Multicast address family does not match bind address family for interface %u", i);
2090 goto parse_error;
2091 }
2092
2093 if (totemip_is_mcast (&totem_config->interfaces[i].mcast_addr) != 0) {
2094 snprintf (local_error_reason, sizeof(local_error_reason),
2095 "mcastaddr is not a correct multicast address for interface %u", i);
2096 goto parse_error;
2097 }
2098 }
2099 }
2100
2101 if (totem_config->version != 2) {
2102 error_reason = "This totem parser can only parse version 2 configurations.";
2103 goto parse_error;
2104 }
2105
2106 if (totem_volatile_config_validate(totem_config, icmap_get_global_map(), error_string) == -1) {
2107 return (-1);
2108 }
2109
2110 if (check_for_duplicate_nodeids(totem_config, error_string) == -1) {
2111 return (-1);
2112 }
2113
2114 /*
2115 * KNET Link values validation
2116 */
2117 if (strcmp (totem_config->link_mode, "active") &&
2118 strcmp (totem_config->link_mode, "rr") &&
2119 strcmp (totem_config->link_mode, "passive")) {
2120 snprintf (local_error_reason, sizeof(local_error_reason),
2121 "The Knet link mode \"%s\" specified is invalid. It must be active, passive or rr.\n", totem_config->link_mode);
2122 goto parse_error;
2123 }
2124
2125 /* Only Knet does multiple interfaces */
2126 if (totem_config->transport_number != TOTEM_TRANSPORT_KNET) {
2127 interface_max = 1;
2128 }
2129
2130 if (interface_max < num_configured) {
2131 snprintf (parse_error, sizeof(parse_error),
2132 "%d is too many configured interfaces for non-Knet transport.",
2133 num_configured);
2134 error_reason = parse_error;
2135 goto parse_error;
2136 }
2137
2138 /* Only knet allows crypto */
2139 if (totem_config->transport_number != TOTEM_TRANSPORT_KNET) {
2140 if ((strcmp(totem_config->crypto_cipher_type, "none") != 0) ||
2141 (strcmp(totem_config->crypto_hash_type, "none") != 0)) {
2142
2143 snprintf (parse_error, sizeof(parse_error),
2144 "crypto_cipher & crypto_hash are only valid for the Knet transport.");
2145 error_reason = parse_error;
2146 goto parse_error;
2147 }
2148 }
2149
2150 if (totem_config->net_mtu == 0) {
2151 if (totem_config->transport_number == TOTEM_TRANSPORT_KNET) {
2152 totem_config->net_mtu = KNET_MAX_PACKET_SIZE;
2153 }
2154 else {
2155 totem_config->net_mtu = UDP_NETMTU;
2156 }
2157 }
2158
2159 return 0;
2160
2161parse_error:
2162 snprintf (error_string_response, sizeof(error_string_response),
2163 "parse error in config: %s\n", error_reason);
2164 *error_string = error_string_response;
2165 return (-1);
2166
2167}
2168
2169static int read_keyfile (
2170 const char *key_location,
2171 struct totem_config *totem_config,
2172 const char **error_string)
2173{
2174 int fd;
2175 int res;
2176 int saved_errno;
2177 char error_str[100];
2178 const char *error_ptr;
2179
2180 fd = open (key_location, O_RDONLY);
2181 if (fd == -1) {
2182 error_ptr = qb_strerror_r(errno, error_str, sizeof(error_str));
2183 snprintf (error_string_response, sizeof(error_string_response),
2184 "Could not open %s: %s\n",
2185 key_location, error_ptr);
2186 goto parse_error;
2187 }
2188
2189 res = read (fd, totem_config->private_key, TOTEM_PRIVATE_KEY_LEN_MAX);
2190 saved_errno = errno;
2191 close (fd);
2192
2193 if (res == -1) {
2194 error_ptr = qb_strerror_r (saved_errno, error_str, sizeof(error_str));
2195 snprintf (error_string_response, sizeof(error_string_response),
2196 "Could not read %s: %s\n",
2197 key_location, error_ptr);
2198 goto parse_error;
2199 }
2200
2201 if (res < TOTEM_PRIVATE_KEY_LEN_MIN) {
2202 snprintf (error_string_response, sizeof(error_string_response),
2203 "Could only read %d bits of minimum %u bits from %s.\n",
2204 res * 8, TOTEM_PRIVATE_KEY_LEN_MIN * 8, key_location);
2205 goto parse_error;
2206 }
2207
2208 totem_config->private_key_len = res;
2209
2210 return 0;
2211
2212parse_error:
2213 *error_string = error_string_response;
2214 return (-1);
2215}
2216
2217int totem_config_keyread (
2218 struct totem_config *totem_config,
2219 icmap_map_t map,
2220 const char **error_string)
2221{
2222 int got_key = 0;
2223 char *key_location = NULL;
2224 int res;
2225 size_t key_len;
2226 char old_key[TOTEM_PRIVATE_KEY_LEN_MAX];
2227 size_t old_key_len;
2228
2229 /* Take a copy so we can see if it has changed */
2230 memcpy(old_key, totem_config->private_key, sizeof(totem_config->private_key));
2231 old_key_len = totem_config->private_key_len;
2232
2233 memset (totem_config->private_key, 0, sizeof(totem_config->private_key));
2234 totem_config->private_key_len = 0;
2235
2236 if (strcmp(totem_config->crypto_cipher_type, "none") == 0 &&
2237 strcmp(totem_config->crypto_hash_type, "none") == 0) {
2238 return (0);
2239 }
2240
2241 /* cmap may store the location of the key file */
2242 if (icmap_get_string_r(map, "totem.keyfile", &key_location) == CS_OK) {
2243 res = read_keyfile(key_location, totem_config, error_string);
2244 free(key_location);
2245 if (res) {
2246 goto key_error;
2247 }
2248 got_key = 1;
2249 } else { /* Or the key itself may be in the cmap */
2250 if (icmap_get_r(map, "totem.key", NULL, &key_len, NULL) == CS_OK) {
2251 if (key_len > sizeof(totem_config->private_key)) {
2252 sprintf(error_string_response, "key is too long");
2253 goto key_error;
2254 }
2255 if (key_len < TOTEM_PRIVATE_KEY_LEN_MIN) {
2256 sprintf(error_string_response, "key is too short");
2257 goto key_error;
2258 }
2259 if (icmap_get_r(map, "totem.key", totem_config->private_key, &key_len, NULL) == CS_OK) {
2260 totem_config->private_key_len = key_len;
2261 got_key = 1;
2262 } else {
2263 sprintf(error_string_response, "can't load private key");
2264 goto key_error;
2265 }
2266 }
2267 }
2268
2269 /* In desperation we read the default filename */
2270 if (!got_key) {
2271 res = read_keyfile(COROSYSCONFDIR "/authkey", totem_config, error_string);
2272 if (res)
2273 goto key_error;
2274 }
2275
2276 if (old_key_len != totem_config->private_key_len ||
2277 memcmp(old_key, totem_config->private_key, sizeof(totem_config->private_key))) {
2278 totem_config->crypto_changed = 1;
2279 }
2280
2281 return (0);
2282
2283key_error:
2284 *error_string = error_string_response;
2285 return (-1);
2286
2287}
2288
2289int totem_reread_crypto_config(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
2290{
2291 if (totem_get_crypto(totem_config, map, error_string) != 0) {
2292 return -1;
2293 }
2294 if (totem_config_keyread(totem_config, map, error_string) != 0) {
2295 return -1;
2296 }
2297 return 0;
2298}
2299
2300static void debug_dump_totem_config(const struct totem_config *totem_config)
2301{
2302
2303 log_printf(LOGSYS_LEVEL_DEBUG, "Token Timeout (%d ms) retransmit timeout (%d ms)",
2304 totem_config->token_timeout, totem_config->token_retransmit_timeout);
2305 if (totem_config->token_warning) {
2306 uint32_t token_warning_ms = totem_config->token_warning * totem_config->token_timeout / 100;
2307 log_printf(LOGSYS_LEVEL_DEBUG, "Token warning every %d ms (%d%% of Token Timeout)",
2308 token_warning_ms, totem_config->token_warning);
2309 if (token_warning_ms < totem_config->token_retransmit_timeout)
2310 log_printf (LOGSYS_LEVEL_DEBUG,
2311 "The token warning interval (%d ms) is less than the token retransmit timeout (%d ms) "
2312 "which can lead to spurious token warnings. Consider increasing the token_warning parameter.",
2313 token_warning_ms, totem_config->token_retransmit_timeout);
2314
2315 } else
2316 log_printf(LOGSYS_LEVEL_DEBUG, "Token warnings disabled");
2317 log_printf(LOGSYS_LEVEL_DEBUG, "token hold (%d ms) retransmits before loss (%d retrans)",
2318 totem_config->token_hold_timeout, totem_config->token_retransmits_before_loss_const);
2319 log_printf(LOGSYS_LEVEL_DEBUG, "join (%d ms) send_join (%d ms) consensus (%d ms) merge (%d ms)",
2320 totem_config->join_timeout, totem_config->send_join_timeout, totem_config->consensus_timeout,
2321 totem_config->merge_timeout);
2322 log_printf(LOGSYS_LEVEL_DEBUG, "downcheck (%d ms) fail to recv const (%d msgs)",
2323 totem_config->downcheck_timeout, totem_config->fail_to_recv_const);
2324 log_printf(LOGSYS_LEVEL_DEBUG,
2325 "seqno unchanged const (%d rotations) Maximum network MTU %d",
2326 totem_config->seqno_unchanged_const, totem_config->net_mtu);
2327 log_printf(LOGSYS_LEVEL_DEBUG,
2328 "window size per rotation (%d messages) maximum messages per rotation (%d messages)",
2329 totem_config->window_size, totem_config->max_messages);
2330 log_printf(LOGSYS_LEVEL_DEBUG, "missed count const (%d messages)", totem_config->miss_count_const);
2331 log_printf(LOGSYS_LEVEL_DEBUG, "heartbeat_failures_allowed (%d)",
2332 totem_config->heartbeat_failures_allowed);
2333 log_printf(LOGSYS_LEVEL_DEBUG, "max_network_delay (%d ms)", totem_config->max_network_delay);
2334}
2335
2336
2337static void totem_change_notify(
2338 int32_t event,
2339 const char *key_name,
2340 struct icmap_notify_value new_val,
2341 struct icmap_notify_value old_val,
2342 void *user_data)
2343{
2344 struct totem_config *totem_config = (struct totem_config *)user_data;
2345 uint32_t *param;
2346 uint8_t reloading;
2347 const char *deleted_key = NULL;
2348 const char *error_string;
2349
2350 /*
2351 * If a full reload is in progress then don't do anything until it's done and
2352 * can reconfigure it all atomically
2353 */
2354 if (icmap_get_uint8("config.reload_in_progress", &reloading) == CS_OK && reloading)
2355 return;
2356
2357 param = totem_get_param_by_name((struct totem_config *)user_data, key_name);
2358 /*
2359 * Process change only if changed key is found in totem_config (-> param is not NULL)
2360 * or for special key token_coefficient. token_coefficient key is not stored in
2361 * totem_config, but it is used for computation of token timeout.
2362 */
2363 if (!param && strcmp(key_name, "totem.token_coefficient") != 0)
2364 return;
2365
2366 /*
2367 * Values other than UINT32 are not supported, or needed (yet)
2368 */
2369 switch (event) {
2370 case ICMAP_TRACK_DELETE:
2371 deleted_key = key_name;
2372 break;
2373 case ICMAP_TRACK_ADD:
2374 case ICMAP_TRACK_MODIFY:
2375 deleted_key = NULL;
2376 break;
2377 default:
2378 break;
2379 }
2380
2381 totem_volatile_config_read (totem_config, icmap_get_global_map(), deleted_key);
2382 log_printf(LOGSYS_LEVEL_DEBUG, "Totem related config key changed. Dumping actual totem config.");
2383 debug_dump_totem_config(totem_config);
2384 if (totem_volatile_config_validate(totem_config, icmap_get_global_map(), &error_string) == -1) {
2385 log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
2386 /*
2387 * TODO: Consider corosync exit and/or load defaults for volatile
2388 * values. For now, log error seems to be enough
2389 */
2390 }
2391}
2392
2393
2394int totemconfig_configure_new_params(
2395 struct totem_config *totem_config,
2396 icmap_map_t map,
2397 const char **error_string)
2398{
2399 uint64_t warnings = 0LL;
2400
2401 get_interface_params(totem_config, map, error_string, &warnings, 1);
2402 if (put_nodelist_members_to_config (totem_config, map, 1, error_string)) {
2403 return -1;
2404 }
2405
2406 calc_knet_ping_timers(totem_config);
2407
2408 log_printf(LOGSYS_LEVEL_DEBUG, "Configuration reloaded. Dumping actual totem config.");
2409 debug_dump_totem_config(totem_config);
2410
2411 /* Reinstate the local_node_pos */
2412 (void)find_local_node(map, 0);
2413
2414 return 0;
2415}
2416
2417void totemconfig_commit_new_params(
2418 struct totem_config *totem_config,
2419 icmap_map_t map)
2420{
2421 struct totem_interface *new_interfaces = NULL;
2422
2423 new_interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
2424 assert(new_interfaces != NULL);
2425 memcpy(new_interfaces, totem_config->interfaces, sizeof (struct totem_interface) * INTERFACE_MAX);
2426
2427 /* Set link parameters including local_ip */
2428 configure_totem_links(totem_config, map);
2429
2430 /* Add & remove nodes */
2431 compute_and_set_totempg_interfaces(totem_config->orig_interfaces, new_interfaces);
2432
2433 /* Does basic global params (like compression) */
2434 totempg_reconfigure();
2435
2436 free(new_interfaces);
2437}
2438
2439static void add_totem_config_notification(struct totem_config *totem_config)
2440{
2441 icmap_track_t icmap_track;
2442
2443 icmap_track_add("totem.",
2444 ICMAP_TRACK_ADD | ICMAP_TRACK_DELETE | ICMAP_TRACK_MODIFY | ICMAP_TRACK_PREFIX,
2445 totem_change_notify,
2446 totem_config,
2447 &icmap_track);
2448}
COROSYSCONFDIR
#define COROSYSCONFDIR
Definition: config.h:8
INTERFACE_MAX
#define INTERFACE_MAX
Definition: coroapi.h:88
nodeid
unsigned int nodeid
Definition: coroapi.h:0
addr
unsigned char addr[TOTEMIP_ADDRLEN]
Definition: coroapi.h:2
PROCESSOR_COUNT_MAX
#define PROCESSOR_COUNT_MAX
Definition: coroapi.h:96
CS_PRI_NODE_ID
#define CS_PRI_NODE_ID
Definition: corotypes.h:59
CS_OK
@ CS_OK
Definition: corotypes.h:99
param
uint8_t param
Definition: exec/votequorum.c:3
value
uint32_t value
Definition: exec/votequorum.c:2
icmap_iter_init_r
icmap_iter_t icmap_iter_init_r(const icmap_map_t map, const char *prefix)
icmap_iter_init_r
Definition: icmap.c:1084
icmap_get_uint8
cs_error_t icmap_get_uint8(const char *key_name, uint8_t *u8)
Definition: icmap.c:868
ICMAP_TRACK_MODIFY
#define ICMAP_TRACK_MODIFY
Definition: icmap.h:78
icmap_get_string_r
cs_error_t icmap_get_string_r(const icmap_map_t map, const char *key_name, char **str)
Definition: icmap.c:735
icmap_get_uint16
cs_error_t icmap_get_uint16(const char *key_name, uint16_t *u16)
Definition: icmap.c:880
icmap_get_uint32
cs_error_t icmap_get_uint32(const char *key_name, uint32_t *u32)
Definition: icmap.c:892
icmap_set_ro_access
cs_error_t icmap_set_ro_access(const char *key_name, int prefix, int ro_access)
Set read-only access for given key (key_name) or prefix, If prefix is set.
Definition: icmap.c:1225
icmap_set_uint32_r
cs_error_t icmap_set_uint32_r(const icmap_map_t map, const char *key_name, uint32_t value)
Definition: icmap.c:527
icmap_get_uint8_r
cs_error_t icmap_get_uint8_r(const icmap_map_t map, const char *key_name, uint8_t *u8)
Definition: icmap.c:802
ICMAP_TRACK_DELETE
#define ICMAP_TRACK_DELETE
Definition: icmap.h:77
icmap_set_uint16
cs_error_t icmap_set_uint16(const char *key_name, uint16_t value)
Definition: icmap.c:585
icmap_track_add
cs_error_t icmap_track_add(const char *key_name, int32_t track_type, icmap_notify_fn_t notify_fn, void *user_data, icmap_track_t *icmap_track)
Add tracking function for given key_name.
Definition: icmap.c:1159
icmap_set_string
cs_error_t icmap_set_string(const char *key_name, const char *value)
Definition: icmap.c:627
ICMAP_TRACK_PREFIX
#define ICMAP_TRACK_PREFIX
Whole prefix is tracked, instead of key only (so "totem." tracking means that "totem....
Definition: icmap.h:85
icmap_iter_init
icmap_iter_t icmap_iter_init(const char *prefix)
Initialize iterator with given prefix.
Definition: icmap.c:1089
icmap_get_uint16_r
cs_error_t icmap_get_uint16_r(const icmap_map_t map, const char *key_name, uint16_t *u16)
Definition: icmap.c:814
icmap_set_int32_r
cs_error_t icmap_set_int32_r(const icmap_map_t map, const char *key_name, int32_t value)
Definition: icmap.c:521
icmap_iter_next
const char * icmap_iter_next(icmap_iter_t iter, size_t *value_len, icmap_value_types_t *type)
Return next item in iterator iter.
Definition: icmap.c:1095
icmap_get_global_map
icmap_map_t icmap_get_global_map(void)
Return global icmap.
Definition: icmap.c:264
icmap_iter_t
qb_map_iter_t * icmap_iter_t
Itterator type.
Definition: icmap.h:123
icmap_set_string_r
cs_error_t icmap_set_string_r(const icmap_map_t map, const char *key_name, const char *value)
Definition: icmap.c:557
icmap_iter_finalize
void icmap_iter_finalize(icmap_iter_t iter)
Finalize iterator.
Definition: icmap.c:1116
icmap_get_int32_r
cs_error_t icmap_get_int32_r(const icmap_map_t map, const char *key_name, int32_t *i32)
Definition: icmap.c:820
icmap_get_r
cs_error_t icmap_get_r(const icmap_map_t map, const char *key_name, void *value, size_t *value_len, icmap_value_types_t *type)
Same as icmap_get but it's reentrant and operates on given icmap_map.
Definition: icmap.c:692
ICMAP_KEYNAME_MAXLEN
#define ICMAP_KEYNAME_MAXLEN
Maximum length of key in icmap.
Definition: icmap.h:48
icmap_get_uint32_r
cs_error_t icmap_get_uint32_r(const icmap_map_t map, const char *key_name, uint32_t *u32)
Definition: icmap.c:826
icmap_set_uint32
cs_error_t icmap_set_uint32(const char *key_name, uint32_t value)
Definition: icmap.c:597
ICMAP_TRACK_ADD
#define ICMAP_TRACK_ADD
Definition: icmap.h:76
icmap_get_string
cs_error_t icmap_get_string(const char *key_name, char **str)
Shortcut for icmap_get for string type.
Definition: icmap.c:856
LOGSYS_LEVEL_ERROR
#define LOGSYS_LEVEL_ERROR
Definition: logsys.h:72
log_printf
#define log_printf(level, format, args...)
Definition: logsys.h:332
LOGSYS_LEVEL_INFO
#define LOGSYS_LEVEL_INFO
Definition: logsys.h:75
LOGSYS_LEVEL_DEBUG
#define LOGSYS_LEVEL_DEBUG
Definition: logsys.h:76
user_data
void * user_data
Definition: sam.c:127
icmap_map
Definition: icmap.c:55
icmap_notify_value
Structure passed as new_value and old_value in change callback.
Definition: icmap.h:91
icmap_track
Definition: icmap.c:61
totem_config
Definition: totem.h:159
totem_config::crypto_model
char crypto_model[CONFIG_STRING_LEN_MAX]
Definition: totem.h:224
totem_config::max_messages
unsigned int max_messages
Definition: totem.h:220
totem_config::heartbeat_failures_allowed
unsigned int heartbeat_failures_allowed
Definition: totem.h:214
totem_config::token_timeout
unsigned int token_timeout
Definition: totem.h:182
totem_config::private_key_len
unsigned int private_key_len
Definition: totem.h:177
totem_config::knet_mtu
unsigned int knet_mtu
Definition: totem.h:170
totem_config::node_id
unsigned int node_id
Definition: totem.h:167
totem_config::broadcast_use
unsigned int broadcast_use
Definition: totem.h:222
totem_config::knet_compression_threshold
uint32_t knet_compression_threshold
Definition: totem.h:236
totem_config::window_size
unsigned int window_size
Definition: totem.h:218
totem_config::downcheck_timeout
unsigned int downcheck_timeout
Definition: totem.h:200
totem_config::miss_count_const
unsigned int miss_count_const
Definition: totem.h:242
totem_config::transport_number
totem_transport_t transport_number
Definition: totem.h:240
totem_config::interfaces
struct totem_interface * interfaces
Definition: totem.h:165
totem_config::crypto_changed
int crypto_changed
Definition: totem.h:232
totem_config::cancel_token_hold_on_retransmit
unsigned int cancel_token_hold_on_retransmit
Definition: totem.h:248
totem_config::fail_to_recv_const
unsigned int fail_to_recv_const
Definition: totem.h:202
totem_config::clear_node_high_bit
unsigned int clear_node_high_bit
Definition: totem.h:168
totem_config::merge_timeout
unsigned int merge_timeout
Definition: totem.h:198
totem_config::orig_interfaces
struct totem_interface * orig_interfaces
Definition: totem.h:166
totem_config::knet_compression_level
int knet_compression_level
Definition: totem.h:238
totem_config::net_mtu
unsigned int net_mtu
Definition: totem.h:210
totem_config::version
int version
Definition: totem.h:160
totem_config::knet_compression_model
char knet_compression_model[CONFIG_STRING_LEN_MAX]
Definition: totem.h:234
totem_config::block_unlisted_ips
unsigned int block_unlisted_ips
Definition: totem.h:246
totem_config::token_retransmits_before_loss_const
unsigned int token_retransmits_before_loss_const
Definition: totem.h:190
totem_config::private_key
unsigned char private_key[TOTEM_PRIVATE_KEY_LEN_MAX]
Definition: totem.h:175
totem_config::crypto_index
int crypto_index
Definition: totem.h:230
totem_config::max_network_delay
unsigned int max_network_delay
Definition: totem.h:216
totem_config::seqno_unchanged_const
unsigned int seqno_unchanged_const
Definition: totem.h:204
totem_config::consensus_timeout
unsigned int consensus_timeout
Definition: totem.h:196
totem_config::knet_pmtud_interval
unsigned int knet_pmtud_interval
Definition: totem.h:169
totem_config::crypto_cipher_type
char crypto_cipher_type[CONFIG_STRING_LEN_MAX]
Definition: totem.h:226
totem_config::threads
unsigned int threads
Definition: totem.h:212
totem_config::send_join_timeout
unsigned int send_join_timeout
Definition: totem.h:194
totem_config::link_mode
char link_mode[TOTEM_LINK_MODE_BYTES]
Definition: totem.h:206
totem_config::ip_version
enum totem_ip_version_enum ip_version
Definition: totem.h:244
totem_config::token_retransmit_timeout
unsigned int token_retransmit_timeout
Definition: totem.h:186
totem_config::crypto_hash_type
char crypto_hash_type[CONFIG_STRING_LEN_MAX]
Definition: totem.h:228
totem_config::token_warning
unsigned int token_warning
Definition: totem.h:184
totem_config::join_timeout
unsigned int join_timeout
Definition: totem.h:192
totem_config::token_hold_timeout
unsigned int token_hold_timeout
Definition: totem.h:188
totem_interface
Definition: totem.h:82
totem_interface::local_ip
struct totem_ip_address local_ip
Definition: totem.h:86
totem_interface::knet_ping_timeout
int knet_ping_timeout
Definition: totem.h:93
totem_interface::knet_link_priority
int knet_link_priority
Definition: totem.h:91
totem_interface::ip_port
uint16_t ip_port
Definition: totem.h:87
totem_interface::knet_ping_interval
int knet_ping_interval
Definition: totem.h:92
totem_interface::configured
uint8_t configured
Definition: totem.h:89
totem_interface::knet_ping_precision
int knet_ping_precision
Definition: totem.h:94
totem_interface::knet_pong_count
int knet_pong_count
Definition: totem.h:95
totem_interface::knet_transport
int knet_transport
Definition: totem.h:96
totem_interface::member_count
int member_count
Definition: totem.h:90
totem_interface::bindnet
struct totem_ip_address bindnet
Definition: totem.h:83
totem_interface::member_list
struct totem_ip_address member_list[PROCESSOR_COUNT_MAX]
Definition: totem.h:97
totem_interface::ttl
uint16_t ttl
Definition: totem.h:88
totem_interface::mcast_addr
struct totem_ip_address mcast_addr
Definition: totem.h:85
totem_ip_address
The totem_ip_address struct.
Definition: coroapi.h:111
totem_ip_address::nodeid
unsigned int nodeid
Definition: coroapi.h:112
totem_ip_address::family
unsigned short family
Definition: coroapi.h:113
swab32
#define swab32(x)
The swab32 macro.
Definition: swab.h:51
TOTEM_LINK_MODE_BYTES
@ TOTEM_LINK_MODE_BYTES
Definition: totem.h:140
TOTEM_PRIVATE_KEY_LEN_MAX
@ TOTEM_PRIVATE_KEY_LEN_MAX
Definition: totem.h:137
TOTEM_PRIVATE_KEY_LEN_MIN
@ TOTEM_PRIVATE_KEY_LEN_MIN
Definition: totem.h:136
CONFIG_STRING_LEN_MAX
#define CONFIG_STRING_LEN_MAX
Definition: totem.h:54
TOTEM_TRANSPORT_UDPU
@ TOTEM_TRANSPORT_UDPU
Definition: totem.h:144
TOTEM_TRANSPORT_KNET
@ TOTEM_TRANSPORT_KNET
Definition: totem.h:145
TOTEM_TRANSPORT_UDP
@ TOTEM_TRANSPORT_UDP
Definition: totem.h:143
MINIMUM_TIMEOUT
#define MINIMUM_TIMEOUT
Definition: totemconfig.c:77
TOKEN_RETRANSMITS_BEFORE_LOSS_CONST
#define TOKEN_RETRANSMITS_BEFORE_LOSS_CONST
Definition: totemconfig.c:68
JOIN_TIMEOUT
#define JOIN_TIMEOUT
Definition: totemconfig.c:72
DEFAULT_PORT
#define DEFAULT_PORT
Definition: totemconfig.c:97
MAX_MESSAGES
#define MAX_MESSAGES
Definition: totemconfig.c:81
MAX_NETWORK_DELAY
#define MAX_NETWORK_DELAY
Definition: totemconfig.c:79
KNET_PONG_COUNT
#define KNET_PONG_COUNT
Definition: totemconfig.c:92
KNET_PMTUD_INTERVAL
#define KNET_PMTUD_INTERVAL
Definition: totemconfig.c:93
MINIMUM_TIMEOUT_HOLD
#define MINIMUM_TIMEOUT_HOLD
Definition: totemconfig.c:78
TOKEN_COEFFICIENT
#define TOKEN_COEFFICIENT
Definition: totemconfig.c:71
SEQNO_UNCHANGED_CONST
#define SEQNO_UNCHANGED_CONST
Definition: totemconfig.c:76
totem_volatile_config_read
void totem_volatile_config_read(struct totem_config *totem_config, icmap_map_t temp_map, const char *deleted_key)
Definition: totemconfig.c:311
totemconfig_commit_new_params
void totemconfig_commit_new_params(struct totem_config *totem_config, icmap_map_t map)
Definition: totemconfig.c:2417
totem_config_read
int totem_config_read(struct totem_config *totem_config, const char **error_string, uint64_t *warnings)
Definition: totemconfig.c:1784
MISS_COUNT_CONST
#define MISS_COUNT_CONST
Definition: totemconfig.c:82
totem_volatile_config_validate
int totem_volatile_config_validate(struct totem_config *totem_config, icmap_map_t temp_map, const char **error_string)
Definition: totemconfig.c:380
TOKEN_WARNING
#define TOKEN_WARNING
Definition: totemconfig.c:70
KNET_MTU
#define KNET_MTU
Definition: totemconfig.c:94
totem_reread_crypto_config
int totem_reread_crypto_config(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
Definition: totemconfig.c:2289
MERGE_TIMEOUT
#define MERGE_TIMEOUT
Definition: totemconfig.c:73
KNET_PING_PRECISION
#define KNET_PING_PRECISION
Definition: totemconfig.c:91
totem_config_validate
int totem_config_validate(struct totem_config *totem_config, const char **error_string)
Definition: totemconfig.c:2001
BLOCK_UNLISTED_IPS
#define BLOCK_UNLISTED_IPS
Definition: totemconfig.c:83
KNET_DEFAULT_TRANSPORT
#define KNET_DEFAULT_TRANSPORT
Definition: totemconfig.c:95
UDP_NETMTU
#define UDP_NETMTU
Definition: totemconfig.c:86
CANCEL_TOKEN_HOLD_ON_RETRANSMIT
#define CANCEL_TOKEN_HOLD_ON_RETRANSMIT
Definition: totemconfig.c:84
FAIL_TO_RECV_CONST
#define FAIL_TO_RECV_CONST
Definition: totemconfig.c:75
WINDOW_SIZE
#define WINDOW_SIZE
Definition: totemconfig.c:80
DOWNCHECK_TIMEOUT
#define DOWNCHECK_TIMEOUT
Definition: totemconfig.c:74
TOKEN_TIMEOUT
#define TOKEN_TIMEOUT
Definition: totemconfig.c:69
totemconfig_configure_new_params
int totemconfig_configure_new_params(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
Definition: totemconfig.c:2394
totem_config_keyread
int totem_config_keyread(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
Definition: totemconfig.c:2217
TOTEM_CONFIG_BINDNETADDR_NODELIST_SET
#define TOTEM_CONFIG_BINDNETADDR_NODELIST_SET
Definition: totemconfig.h:48
TOTEM_CONFIG_WARNING_TOTEM_NODEID_SET
#define TOTEM_CONFIG_WARNING_TOTEM_NODEID_SET
Definition: totemconfig.h:47
TOTEM_CONFIG_WARNING_MEMBERS_IGNORED
#define TOTEM_CONFIG_WARNING_MEMBERS_IGNORED
Definition: totemconfig.h:45
TOTEM_CONFIG_WARNING_MEMBERS_DEPRECATED
#define TOTEM_CONFIG_WARNING_MEMBERS_DEPRECATED
Definition: totemconfig.h:46
totemip_parse
int totemip_parse(struct totem_ip_address *totemip, const char *addr, enum totem_ip_version_enum ip_version)
Definition: totemip.c:306
totemip_print
const char * totemip_print(const struct totem_ip_address *addr)
Definition: totemip.c:256
totem_ip_version_enum
totem_ip_version_enum
Definition: totemip.h:70
TOTEM_IP_VERSION_6_4
@ TOTEM_IP_VERSION_6_4
Definition: totemip.h:74
TOTEM_IP_VERSION_4
@ TOTEM_IP_VERSION_4
Definition: totemip.h:71
TOTEM_IP_VERSION_6
@ TOTEM_IP_VERSION_6
Definition: totemip.h:72
TOTEM_IP_VERSION_4_6
@ TOTEM_IP_VERSION_4_6
Definition: totemip.h:73
totemip_is_mcast
int totemip_is_mcast(struct totem_ip_address *addr)
Definition: totemip.c:134
totempg_iface_set
int totempg_iface_set(struct totem_ip_address *interface_addr, unsigned short ip_port, unsigned int iface_no)
Definition: totempg.c:1434
totempg_reconfigure
int totempg_reconfigure(void)
Definition: totempg.c:1566
totempg_member_remove
int totempg_member_remove(const struct totem_ip_address *member, int ring_no)
Definition: totempg.c:1559
totempg_member_add
int totempg_member_add(const struct totem_ip_address *member, int ring_no)
Definition: totempg.c:1552
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