corosync 3.1.9
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 int 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 int res = 0;
1166
1167 memset(&empty_ip_address, 0, sizeof(empty_ip_address));
1168
1169 for (ring_no = 0; ring_no < INTERFACE_MAX; ring_no++) {
1170 if (!set1[ring_no].configured && !set2[ring_no].configured) {
1171 continue;
1172 }
1173
1174 for (set1_pos = 0; set1_pos < set1[ring_no].member_count; set1_pos++) {
1175 for (set2_pos = 0; set2_pos < set2[ring_no].member_count; set2_pos++) {
1176 /*
1177 * For current ring_no remove all set1 items existing
1178 * in set2
1179 */
1180 if (memcmp(&set1[ring_no].member_list[set1_pos],
1181 &set2[ring_no].member_list[set2_pos],
1182 sizeof(struct totem_ip_address)) == 0) {
1183 memset(&set1[ring_no].member_list[set1_pos], 0,
1184 sizeof(struct totem_ip_address));
1185 memset(&set2[ring_no].member_list[set2_pos], 0,
1186 sizeof(struct totem_ip_address));
1187 }
1188 }
1189 }
1190 }
1191
1192 for (ring_no = 0; ring_no < INTERFACE_MAX; ring_no++) {
1193 for (set1_pos = 0; set1_pos < set1[ring_no].member_count; set1_pos++) {
1194 /*
1195 * All items which remain in set1 and don't exist in set2 any more
1196 * have to be removed.
1197 */
1198 if (memcmp(&set1[ring_no].member_list[set1_pos], &empty_ip_address, sizeof(empty_ip_address)) != 0) {
1199 log_printf(LOGSYS_LEVEL_DEBUG,
1200 "removing dynamic member %s for ring %u",
1201 totemip_print(&set1[ring_no].member_list[set1_pos]),
1202 ring_no);
1203
1204 totempg_member_remove(&set1[ring_no].member_list[set1_pos], ring_no);
1205 }
1206 }
1207 if (!set2[ring_no].configured) {
1208 continue;
1209 }
1210 for (set2_pos = 0; set2_pos < set2[ring_no].member_count; set2_pos++) {
1211 /*
1212 * All items which remain in set2 and don't exist in set1 are new nodes
1213 * and have to be added.
1214 */
1215 if (memcmp(&set2[ring_no].member_list[set2_pos], &empty_ip_address, sizeof(empty_ip_address)) != 0) {
1216 log_printf(LOGSYS_LEVEL_DEBUG,
1217 "adding dynamic member %s for ring %u",
1218 totemip_print(&set2[ring_no].member_list[set2_pos]),
1219 ring_no);
1220
1221 if (totempg_member_add(&set2[ring_no].member_list[set2_pos], ring_no)) {
1222 res = -1;
1223 }
1224 }
1225 }
1226 }
1227 return res;
1228}
1229
1230/*
1231 * Configure parameters for links
1232 */
1233static void configure_link_params(struct totem_config *totem_config, icmap_map_t map)
1234{
1235 int i;
1236 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1237 char *addr_string;
1238 int err;
1239 int local_node_pos = find_local_node(map, 0);
1240
1241 for (i = 0; i<INTERFACE_MAX; i++) {
1242 if (!totem_config->interfaces[i].configured) {
1243 continue;
1244 }
1245
1246 log_printf(LOGSYS_LEVEL_DEBUG, "Configuring link %d params\n", i);
1247
1248 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring%u_addr", local_node_pos, i);
1249 if (icmap_get_string_r(map, tmp_key, &addr_string) != CS_OK) {
1250 continue;
1251 }
1252
1253 err = totemip_parse(&totem_config->interfaces[i].local_ip, addr_string, totem_config->ip_version);
1254 if (err != 0) {
1255 continue;
1256 }
1257 totem_config->interfaces[i].local_ip.nodeid = totem_config->node_id;
1258
1259 /* In case this is a new link, fill in the defaults if there was no interface{} section for it */
1260 if (!totem_config->interfaces[i].knet_link_priority)
1261 totem_config->interfaces[i].knet_link_priority = 1;
1262
1263 /* knet_ping_interval & knet_ping_timeout are set later once we know all the other params */
1264 if (!totem_config->interfaces[i].knet_ping_precision)
1265 totem_config->interfaces[i].knet_ping_precision = KNET_PING_PRECISION;
1266 if (!totem_config->interfaces[i].knet_pong_count)
1267 totem_config->interfaces[i].knet_pong_count = KNET_PONG_COUNT;
1268 if (!totem_config->interfaces[i].knet_transport)
1269 totem_config->interfaces[i].knet_transport = KNET_TRANSPORT_UDP;
1270 if (!totem_config->interfaces[i].ip_port)
1271 totem_config->interfaces[i].ip_port = DEFAULT_PORT + i;
1272 }
1273}
1274
1275
1276static void configure_totem_links(struct totem_config *totem_config, icmap_map_t map)
1277{
1278 int i;
1279
1280 for (i = 0; i<INTERFACE_MAX; i++) {
1281 if (!totem_config->interfaces[i].configured) {
1282 continue;
1283 }
1284
1285 log_printf(LOGSYS_LEVEL_INFO, "Configuring link %d\n", i);
1286
1287 totempg_iface_set(&totem_config->interfaces[i].local_ip, totem_config->interfaces[i].ip_port, i);
1288 }
1289}
1290
1291/* Check for differences in config that can't be done on-the-fly and print an error */
1292static int check_things_have_not_changed(struct totem_config *totem_config, const char **error_string)
1293{
1294 int i,j,k;
1295 const char *ip_str;
1296 char addr_buf[INET6_ADDRSTRLEN];
1297 int changed = 0;
1298
1299 for (i = 0; i<INTERFACE_MAX; i++) {
1300 if (totem_config->interfaces[i].configured &&
1301 totem_config->orig_interfaces[i].configured) {
1302 if (totem_config->interfaces[i].knet_transport !=
1303 totem_config->orig_interfaces[i].knet_transport) {
1304 log_printf(LOGSYS_LEVEL_ERROR,
1305 "New config has different knet transport for link %d. Internal value was NOT changed.\n", i);
1306 changed = 1;
1307 }
1308
1309 /* Check each nodeid in the new configuration and make sure its IP address on this link has not changed */
1310 for (j=0; j < totem_config->interfaces[i].member_count; j++) {
1311 for (k=0; k < totem_config->orig_interfaces[i].member_count; k++) {
1312
1313 if (totem_config->interfaces[i].member_list[j].nodeid ==
1314 totem_config->orig_interfaces[i].member_list[k].nodeid) {
1315
1316 /* Found our nodeid - check the IP address */
1317 if (memcmp(&totem_config->interfaces[i].member_list[j],
1318 &totem_config->orig_interfaces[i].member_list[k],
1319 sizeof(struct totem_ip_address))) {
1320
1321 ip_str = totemip_print(&totem_config->orig_interfaces[i].member_list[k]);
1322
1323 /* if ip_str is NULL then the old address was invalid and is allowed to change */
1324 if (ip_str) {
1325 strncpy(addr_buf, ip_str, sizeof(addr_buf));
1326 addr_buf[sizeof(addr_buf) - 1] = '\0';
1327 log_printf(LOGSYS_LEVEL_ERROR,
1328 "new config has different address for link %d (addr changed from %s to %s). Internal value was NOT changed.\n",
1329 i, addr_buf, totemip_print(&totem_config->interfaces[i].member_list[j]));
1330 changed = 1;
1331 }
1332 }
1333 }
1334 }
1335 }
1336 }
1337 }
1338
1339 if (changed) {
1340 snprintf (error_string_response, sizeof(error_string_response),
1341 "To reconfigure an interface it must be deleted and recreated. A working interface needs to be available to corosync at all times");
1342 *error_string = error_string_response;
1343 return -1;
1344 }
1345 return 0;
1346}
1347
1348
1349static int put_nodelist_members_to_config(struct totem_config *totem_config, icmap_map_t map,
1350 int reload, const char **error_string)
1351{
1352 icmap_iter_t iter, iter2;
1353 const char *iter_key, *iter_key2;
1354 int res = 0;
1355 unsigned int node_pos;
1356 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1357 char tmp_key2[ICMAP_KEYNAME_MAXLEN];
1358 char *node_addr_str;
1359 int member_count;
1360 unsigned int linknumber = 0;
1361 int i, j;
1362 int last_node_pos = -1;
1363
1364 /* Clear out nodelist so we can put the new one in if needed */
1365 for (i = 0; i < INTERFACE_MAX; i++) {
1366 for (j = 0; j < PROCESSOR_COUNT_MAX; j++) {
1367 memset(&totem_config->interfaces[i].member_list[j], 0, sizeof(struct totem_ip_address));
1368 }
1369 totem_config->interfaces[i].member_count = 0;
1370 }
1371
1372 iter = icmap_iter_init_r(map, "nodelist.node.");
1373 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1374 res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, tmp_key);
1375 if (res != 2) {
1376 continue;
1377 }
1378 /* If it's the same as the last node_pos then skip it */
1379 if (node_pos == last_node_pos) {
1380 continue;
1381 }
1382 last_node_pos = node_pos;
1383
1384 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
1385 iter2 = icmap_iter_init_r(map, tmp_key);
1386 while ((iter_key2 = icmap_iter_next(iter2, NULL, NULL)) != NULL) {
1387 unsigned int nodeid;
1388 char *str;
1389
1390 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
1391 if (icmap_get_uint32_r(map, tmp_key, &nodeid) != CS_OK) {
1392 nodeid = 0;
1393 }
1394
1395 res = sscanf(iter_key2, "nodelist.node.%u.ring%u%s", &node_pos, &linknumber, tmp_key2);
1396 if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
1397 continue;
1398 }
1399 if (linknumber >= INTERFACE_MAX) {
1400 snprintf (error_string_response, sizeof(error_string_response),
1401 "parse error in config: interface ring number %u is bigger than allowed maximum %u\n",
1402 linknumber, INTERFACE_MAX - 1);
1403 *error_string = error_string_response;
1404
1405 icmap_iter_finalize(iter2);
1406 icmap_iter_finalize(iter);
1407 return (-1);
1408 }
1409
1410 if (icmap_get_string_r(map, iter_key2, &node_addr_str) != CS_OK) {
1411 continue;
1412 }
1413
1414 /* Generate nodeids if they are not provided and transport is UDP/U */
1415 if (!nodeid &&
1416 (totem_config->transport_number == TOTEM_TRANSPORT_UDP ||
1417 totem_config->transport_number == TOTEM_TRANSPORT_UDPU)) {
1418 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos);
1419 if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1420 nodeid = generate_nodeid(totem_config, str);
1421 if (nodeid == -1) {
1422 sprintf(error_string_response,
1423 "An IPV6 network requires that a node ID be specified "
1424 "for address '%s'.", node_addr_str);
1425 *error_string = error_string_response;
1426 free(str);
1427
1428 return (-1);
1429 }
1430
1431 log_printf(LOGSYS_LEVEL_DEBUG,
1432 "Generated nodeid = " CS_PRI_NODE_ID " for %s", nodeid, str);
1433
1434 free(str);
1435 /*
1436 * Put nodeid back to nodelist to make cfgtool work
1437 */
1438 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
1439 /*
1440 * Not critical
1441 */
1442 (void)icmap_set_uint32_r(map, tmp_key, nodeid);
1443 }
1444 }
1445
1446 if (!nodeid && totem_config->transport_number == TOTEM_TRANSPORT_KNET) {
1447 sprintf(error_string_response,
1448 "Knet requires an explicit nodeid to be specified "
1449 "for address '%s'.", node_addr_str);
1450 *error_string = error_string_response;
1451
1452 return (-1);
1453 }
1454
1455 if (totem_config->transport_number == TOTEM_TRANSPORT_KNET && nodeid >= KNET_MAX_HOST) {
1456 sprintf(error_string_response,
1457 "Knet requires nodeid to be less than %u "
1458 "for address '%s'.", KNET_MAX_HOST, node_addr_str);
1459 *error_string = error_string_response;
1460
1461 return (-1);
1462 }
1463
1464 member_count = totem_config->interfaces[linknumber].member_count;
1465 res = totemip_parse(&totem_config->interfaces[linknumber].member_list[member_count],
1466 node_addr_str, totem_config->ip_version);
1467 if (res == 0) {
1468 totem_config->interfaces[linknumber].member_list[member_count].nodeid = nodeid;
1469 totem_config->interfaces[linknumber].member_count++;
1470 totem_config->interfaces[linknumber].configured = 1;
1471 } else {
1472 sprintf(error_string_response, "failed to parse node address '%s'\n", node_addr_str);
1473 *error_string = error_string_response;
1474
1475 memset(&totem_config->interfaces[linknumber].member_list[member_count], 0,
1476 sizeof(struct totem_ip_address));
1477
1478 free(node_addr_str);
1479 icmap_iter_finalize(iter2);
1480 icmap_iter_finalize(iter);
1481 return -1;
1482 }
1483
1484 free(node_addr_str);
1485 }
1486
1487 icmap_iter_finalize(iter2);
1488 }
1489
1490 icmap_iter_finalize(iter);
1491
1492 configure_link_params(totem_config, map);
1493 if (reload) {
1494 log_printf(LOGSYS_LEVEL_DEBUG, "About to reconfigure links from nodelist.\n");
1495
1496 if (check_things_have_not_changed(totem_config, error_string) == -1) {
1497 return -1;
1498 }
1499 }
1500 return 0;
1501}
1502
1503static void config_convert_nodelist_to_interface(icmap_map_t map, struct totem_config *totem_config)
1504{
1505 int res = 0;
1506 int node_pos;
1507 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1508 char tmp_key2[ICMAP_KEYNAME_MAXLEN];
1509 char *node_addr_str;
1510 unsigned int linknumber = 0;
1511 icmap_iter_t iter;
1512 const char *iter_key;
1513
1514 node_pos = find_local_node(map, 1);
1515 if (node_pos > -1) {
1516 /*
1517 * We found node, so create interface section
1518 */
1519 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
1520 iter = icmap_iter_init_r(map, tmp_key);
1521 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1522 res = sscanf(iter_key, "nodelist.node.%u.ring%u%s", &node_pos, &linknumber, tmp_key2);
1523 if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
1524 continue ;
1525 }
1526
1527 if (icmap_get_string_r(map, iter_key, &node_addr_str) != CS_OK) {
1528 continue;
1529 }
1530
1531 snprintf(tmp_key2, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", linknumber);
1532 icmap_set_string_r(map, tmp_key2, node_addr_str);
1533 free(node_addr_str);
1534 }
1535 icmap_iter_finalize(iter);
1536 }
1537}
1538
1539static int get_interface_params(struct totem_config *totem_config, icmap_map_t map,
1540 const char **error_string, uint64_t *warnings,
1541 int reload)
1542{
1543 int res = 0;
1544 unsigned int linknumber = 0;
1545 int member_count = 0;
1546 int i;
1547 icmap_iter_t iter, member_iter;
1548 const char *iter_key;
1549 const char *member_iter_key;
1550 char linknumber_key[ICMAP_KEYNAME_MAXLEN];
1551 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1552 uint8_t u8;
1553 uint32_t u32;
1554 char *str;
1555 char *cluster_name = NULL;
1556 enum totem_ip_version_enum tmp_ip_version = TOTEM_IP_VERSION_4;
1557 int ret = 0;
1558
1559 if (reload) {
1560 for (i=0; i<INTERFACE_MAX; i++) {
1561 /*
1562 * Set back to defaults things that might have been configured and
1563 * now have been taken out of corosync.conf. These won't be caught by the
1564 * code below which only looks at interface{} sections that actually exist.
1565 */
1566 totem_config->interfaces[i].configured = 0;
1567 totem_config->interfaces[i].knet_ping_timeout = 0;
1568 totem_config->interfaces[i].knet_ping_interval = 0;
1569 totem_config->interfaces[i].knet_ping_precision = KNET_PING_PRECISION;
1570 totem_config->interfaces[i].knet_pong_count = KNET_PONG_COUNT;
1571 }
1572 }
1573 if (icmap_get_string_r(map, "totem.cluster_name", &cluster_name) != CS_OK) {
1574 cluster_name = NULL;
1575 }
1576
1577 iter = icmap_iter_init_r(map, "totem.interface.");
1578 while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1579 res = sscanf(iter_key, "totem.interface.%[^.].%s", linknumber_key, tmp_key);
1580 if (res != 2) {
1581 continue;
1582 }
1583
1584 if (strcmp(tmp_key, "bindnetaddr") != 0 && totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
1585 continue;
1586 }
1587
1588 member_count = 0;
1589 linknumber = atoi(linknumber_key);
1590
1591 if (linknumber >= INTERFACE_MAX) {
1592 snprintf (error_string_response, sizeof(error_string_response),
1593 "parse error in config: interface ring number %u is bigger than allowed maximum %u\n",
1594 linknumber, INTERFACE_MAX - 1);
1595
1596 *error_string = error_string_response;
1597 ret = -1;
1598 goto out;
1599 }
1600
1601 /* These things are only valid for the initial read */
1602 if (!reload) {
1603 /*
1604 * Get the bind net address
1605 */
1606 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", linknumber);
1607
1608 if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1609 res = totemip_parse (&totem_config->interfaces[linknumber].bindnet, str,
1610 totem_config->ip_version);
1611
1612 if (res) {
1613 sprintf(error_string_response, "failed to parse bindnet address '%s'\n", str);
1614 *error_string = error_string_response;
1615 free(str);
1616
1617 ret = -1;
1618 goto out;
1619 }
1620
1621 free(str);
1622 }
1623
1624 /*
1625 * Get interface multicast address
1626 */
1627 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", linknumber);
1628 if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1629 res = totemip_parse (&totem_config->interfaces[linknumber].mcast_addr, str,
1630 totem_config->ip_version);
1631
1632 if (res) {
1633 sprintf(error_string_response, "failed to parse mcast address '%s'\n", str);
1634 *error_string = error_string_response;
1635 free(str);
1636
1637 ret = -1;
1638 goto out;
1639 }
1640
1641 free(str);
1642 } else if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
1643 /*
1644 * User not specified address -> autogenerate one from cluster_name key
1645 * (if available). Return code is intentionally ignored, because
1646 * udpu doesn't need mcastaddr and validity of mcastaddr for udp is
1647 * checked later anyway.
1648 */
1649
1650 if (totem_config->interfaces[0].bindnet.family == AF_INET) {
1651 tmp_ip_version = TOTEM_IP_VERSION_4;
1652 } else if (totem_config->interfaces[0].bindnet.family == AF_INET6) {
1653 tmp_ip_version = TOTEM_IP_VERSION_6;
1654 }
1655
1656 (void)get_cluster_mcast_addr (cluster_name,
1657 linknumber,
1658 tmp_ip_version,
1659 &totem_config->interfaces[linknumber].mcast_addr);
1660 }
1661
1662 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.broadcast", linknumber);
1663 if (icmap_get_string(tmp_key, &str) == CS_OK) {
1664 if (strcmp (str, "yes") == 0) {
1665 totem_config->broadcast_use = 1;
1666 }
1667 free(str);
1668 }
1669 }
1670
1671 /* These things are only valid for the initial read OR a newly-defined link */
1672 if (!reload || (totem_config->interfaces[linknumber].configured == 0)) {
1673
1674 /*
1675 * Get mcast port
1676 */
1677 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", linknumber);
1678 if (icmap_get_uint16_r(map, tmp_key, &totem_config->interfaces[linknumber].ip_port) != CS_OK) {
1679 if (totem_config->broadcast_use) {
1680 totem_config->interfaces[linknumber].ip_port = DEFAULT_PORT + (2 * linknumber);
1681 } else {
1682 totem_config->interfaces[linknumber].ip_port = DEFAULT_PORT + linknumber;
1683 }
1684 }
1685
1686 /*
1687 * Get the TTL
1688 */
1689 totem_config->interfaces[linknumber].ttl = 1;
1690
1691 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.ttl", linknumber);
1692
1693 if (icmap_get_uint8_r(map, tmp_key, &u8) == CS_OK) {
1694 totem_config->interfaces[linknumber].ttl = u8;
1695 }
1696
1697 totem_config->interfaces[linknumber].knet_transport = KNET_DEFAULT_TRANSPORT;
1698 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_transport", linknumber);
1699 if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1700 if (strcmp(str, "sctp") == 0) {
1701 totem_config->interfaces[linknumber].knet_transport = KNET_TRANSPORT_SCTP;
1702 }
1703 else if (strcmp(str, "udp") == 0) {
1704 totem_config->interfaces[linknumber].knet_transport = KNET_TRANSPORT_UDP;
1705 }
1706 else {
1707 *error_string = "Unrecognised knet_transport. expected 'udp' or 'sctp'";
1708 ret = -1;
1709 goto out;
1710 }
1711 }
1712 }
1713 totem_config->interfaces[linknumber].configured = 1;
1714
1715 /*
1716 * Get the knet link params
1717 */
1718 totem_config->interfaces[linknumber].knet_link_priority = 1;
1719 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_link_priority", linknumber);
1720
1721 if (icmap_get_uint8_r(map, tmp_key, &u8) == CS_OK) {
1722 totem_config->interfaces[linknumber].knet_link_priority = u8;
1723 }
1724
1725 totem_config->interfaces[linknumber].knet_ping_interval = 0; /* real default applied later */
1726 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_interval", linknumber);
1727 if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1728 totem_config->interfaces[linknumber].knet_ping_interval = u32;
1729 }
1730 totem_config->interfaces[linknumber].knet_ping_timeout = 0; /* real default applied later */
1731 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_timeout", linknumber);
1732 if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1733 totem_config->interfaces[linknumber].knet_ping_timeout = u32;
1734 }
1735 totem_config->interfaces[linknumber].knet_ping_precision = KNET_PING_PRECISION;
1736 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_precision", linknumber);
1737 if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1738 totem_config->interfaces[linknumber].knet_ping_precision = u32;
1739 }
1740 totem_config->interfaces[linknumber].knet_pong_count = KNET_PONG_COUNT;
1741 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_pong_count", linknumber);
1742 if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1743 totem_config->interfaces[linknumber].knet_pong_count = u32;
1744 }
1745
1746 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.member.", linknumber);
1747 member_iter = icmap_iter_init_r(map, tmp_key);
1748 while ((member_iter_key = icmap_iter_next(member_iter, NULL, NULL)) != NULL) {
1749 if (member_count == 0) {
1750 if (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK) {
1751 free(str);
1752 *warnings |= TOTEM_CONFIG_WARNING_MEMBERS_IGNORED;
1753 break;
1754 } else {
1755 *warnings |= TOTEM_CONFIG_WARNING_MEMBERS_DEPRECATED;
1756 }
1757 }
1758
1759 if (icmap_get_string_r(map, member_iter_key, &str) == CS_OK) {
1760 res = totemip_parse (&totem_config->interfaces[linknumber].member_list[member_count++],
1761 str, totem_config->ip_version);
1762 if (res) {
1763 sprintf(error_string_response, "failed to parse node address '%s'\n", str);
1764 *error_string = error_string_response;
1765
1766 icmap_iter_finalize(member_iter);
1767 free(str);
1768 ret = -1;
1769 goto out;
1770 }
1771
1772 free(str);
1773 }
1774 }
1775 icmap_iter_finalize(member_iter);
1776
1777 totem_config->interfaces[linknumber].member_count = member_count;
1778
1779 }
1780
1781out:
1782 icmap_iter_finalize(iter);
1783 free(cluster_name);
1784
1785 return (ret);
1786}
1787
1788extern int totem_config_read (
1789 struct totem_config *totem_config,
1790 const char **error_string,
1791 uint64_t *warnings)
1792{
1793 int res = 0;
1794 char *str, *ring0_addr_str;
1795 char tmp_key[ICMAP_KEYNAME_MAXLEN];
1796 uint16_t u16;
1797 int i;
1798 int local_node_pos;
1799 uint32_t u32;
1800
1801 *warnings = 0;
1802
1803 memset (totem_config, 0, sizeof (struct totem_config));
1804 totem_config->interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
1805 if (totem_config->interfaces == 0) {
1806 *error_string = "Out of memory trying to allocate ethernet interface storage area";
1807 return -1;
1808 }
1809
1810 totem_config->transport_number = TOTEM_TRANSPORT_KNET;
1811 if (icmap_get_string("totem.transport", &str) == CS_OK) {
1812 if (strcmp (str, "udpu") == 0) {
1813 totem_config->transport_number = TOTEM_TRANSPORT_UDPU;
1814 } else if (strcmp (str, "udp") == 0) {
1815 totem_config->transport_number = TOTEM_TRANSPORT_UDP;
1816 } else if (strcmp (str, "knet") == 0) {
1817 totem_config->transport_number = TOTEM_TRANSPORT_KNET;
1818 } else {
1819 *error_string = "Invalid transport type. Should be udpu, udp or knet";
1820 free(str);
1821 return -1;
1822 }
1823
1824 free(str);
1825 }
1826
1827 memset (totem_config->interfaces, 0,
1828 sizeof (struct totem_interface) * INTERFACE_MAX);
1829
1830 strcpy (totem_config->link_mode, "passive");
1831
1832 icmap_get_uint32("totem.version", (uint32_t *)&totem_config->version);
1833
1834 /* initial crypto load */
1835 if (totem_get_crypto(totem_config, icmap_get_global_map(), error_string) != 0) {
1836 return -1;
1837 }
1838 if (totem_config_keyread(totem_config, icmap_get_global_map(), error_string) != 0) {
1839 return -1;
1840 }
1841 totem_config->crypto_index = 1;
1842 totem_config->crypto_changed = 0;
1843
1844 if (icmap_get_string("totem.link_mode", &str) == CS_OK) {
1845 if (strlen(str) >= TOTEM_LINK_MODE_BYTES) {
1846 *error_string = "totem.link_mode is too long";
1847 free(str);
1848
1849 return -1;
1850 }
1851 strcpy (totem_config->link_mode, str);
1852 free(str);
1853 }
1854
1855 if (icmap_get_uint32("totem.nodeid", &u32) == CS_OK) {
1856 *warnings |= TOTEM_CONFIG_WARNING_TOTEM_NODEID_SET;
1857 }
1858
1859 totem_config->clear_node_high_bit = 0;
1860 if (icmap_get_string("totem.clear_node_high_bit", &str) == CS_OK) {
1861 if (strcmp (str, "yes") == 0) {
1862 totem_config->clear_node_high_bit = 1;
1863 }
1864 free(str);
1865 }
1866
1867 icmap_get_uint32("totem.threads", &totem_config->threads);
1868
1869 icmap_get_uint32("totem.netmtu", &totem_config->net_mtu);
1870
1871 totem_config->ip_version = totem_config_get_ip_version(totem_config);
1872
1873 if (icmap_get_string("totem.interface.0.bindnetaddr", &str) != CS_OK) {
1874 /*
1875 * We were not able to find ring 0 bindnet addr. Try to use nodelist informations
1876 */
1877 config_convert_nodelist_to_interface(icmap_get_global_map(), totem_config);
1878 } else {
1879 if (icmap_get_string("nodelist.node.0.ring0_addr", &ring0_addr_str) == CS_OK) {
1880 /*
1881 * Both bindnetaddr and ring0_addr are set.
1882 * Log warning information, and use nodelist instead
1883 */
1884 *warnings |= TOTEM_CONFIG_BINDNETADDR_NODELIST_SET;
1885
1886 config_convert_nodelist_to_interface(icmap_get_global_map(), totem_config);
1887
1888 free(ring0_addr_str);
1889 }
1890
1891 free(str);
1892 }
1893
1894 /*
1895 * Broadcast option is global but set in interface section,
1896 * so reset before processing interfaces.
1897 */
1898 totem_config->broadcast_use = 0;
1899
1900 res = get_interface_params(totem_config, icmap_get_global_map(), error_string, warnings, 0);
1901 if (res < 0) {
1902 return res;
1903 }
1904
1905 /*
1906 * Use broadcast is global, so if set, make sure to fill mcast addr correctly
1907 * broadcast is only supported for UDP so just do interface 0;
1908 */
1909 if (totem_config->broadcast_use) {
1910 totemip_parse (&totem_config->interfaces[0].mcast_addr,
1911 "255.255.255.255", TOTEM_IP_VERSION_4);
1912 }
1913
1914
1915 /*
1916 * Store automatically generated items back to icmap only for UDP
1917 */
1918 if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
1919 for (i = 0; i < INTERFACE_MAX; i++) {
1920 if (!totem_config->interfaces[i].configured) {
1921 continue;
1922 }
1923 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", i);
1924 if (icmap_get_string(tmp_key, &str) == CS_OK) {
1925 free(str);
1926 } else {
1927 str = (char *)totemip_print(&totem_config->interfaces[i].mcast_addr);
1928 icmap_set_string(tmp_key, str);
1929 }
1930
1931 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", i);
1932 if (icmap_get_uint16(tmp_key, &u16) != CS_OK) {
1933 icmap_set_uint16(tmp_key, totem_config->interfaces[i].ip_port);
1934 }
1935 }
1936 }
1937
1938 /*
1939 * Check existence of nodelist
1940 */
1941 if ((icmap_get_string("nodelist.node.0.name", &str) == CS_OK) ||
1942 (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK)) {
1943 free(str);
1944 /*
1945 * find local node
1946 */
1947 local_node_pos = find_local_node(icmap_get_global_map(), 1);
1948 if (local_node_pos != -1) {
1949
1950 assert(totem_config->node_id == 0);
1951
1952 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", local_node_pos);
1953 (void)icmap_get_uint32(tmp_key, &totem_config->node_id);
1954
1955
1956 if ((totem_config->transport_number == TOTEM_TRANSPORT_KNET) && (!totem_config->node_id)) {
1957 *error_string = "Knet requires an explicit nodeid for the local node";
1958 return -1;
1959 }
1960
1961 if ((totem_config->transport_number == TOTEM_TRANSPORT_UDP ||
1962 totem_config->transport_number == TOTEM_TRANSPORT_UDPU) && (!totem_config->node_id)) {
1963
1964 snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", local_node_pos);
1965 icmap_get_string(tmp_key, &str);
1966
1967 totem_config->node_id = generate_nodeid(totem_config, str);
1968 if (totem_config->node_id == -1) {
1969 *error_string = "An IPV6 network requires that a node ID be specified";
1970
1971 free(str);
1972 return (-1);
1973 }
1974
1975 totem_config->interfaces[0].member_list[local_node_pos].nodeid = totem_config->node_id;
1976
1977 free(str);
1978 }
1979
1980 /* Users must not change this */
1981 icmap_set_ro_access("nodelist.local_node_pos", 0, 1);
1982 }
1983
1984 if (put_nodelist_members_to_config(totem_config, icmap_get_global_map(), 0, error_string)) {
1985 return -1;
1986 }
1987 }
1988
1989 /*
1990 * Get things that might change in the future (and can depend on totem_config->interfaces);
1991 */
1992 totem_volatile_config_read(totem_config, icmap_get_global_map(), NULL);
1993
1994 calc_knet_ping_timers(totem_config);
1995
1996 /* This is now done in the totemknet interface callback */
1997 /* configure_totem_links(totem_config, icmap_get_global_map()); */
1998
1999 add_totem_config_notification(totem_config);
2000
2001 return 0;
2002}
2003
2004
2005int totem_config_validate (
2006 struct totem_config *totem_config,
2007 const char **error_string)
2008{
2009 static char local_error_reason[512];
2010 char parse_error[512];
2011 const char *error_reason = local_error_reason;
2012 int i;
2013 uint32_t u32;
2014 int num_configured = 0;
2015 unsigned int interface_max = INTERFACE_MAX;
2016
2017 for (i = 0; i < INTERFACE_MAX; i++) {
2018 if (totem_config->interfaces[i].configured) {
2019 num_configured++;
2020 }
2021 }
2022 if (num_configured == 0) {
2023 error_reason = "No interfaces defined";
2024 goto parse_error;
2025 }
2026
2027 /* Check we found a local node name */
2028 if (icmap_get_uint32("nodelist.local_node_pos", &u32) != CS_OK) {
2029 error_reason = "No valid name found for local host";
2030 goto parse_error;
2031 }
2032
2033 for (i = 0; i < INTERFACE_MAX; i++) {
2034 /*
2035 * Some error checking of parsed data to make sure its valid
2036 */
2037
2038 struct totem_ip_address null_addr;
2039
2040 if (!totem_config->interfaces[i].configured) {
2041 continue;
2042 }
2043
2044 memset (&null_addr, 0, sizeof (struct totem_ip_address));
2045
2046 if ((totem_config->transport_number == TOTEM_TRANSPORT_UDP) &&
2047 memcmp (&totem_config->interfaces[i].mcast_addr, &null_addr,
2048 sizeof (struct totem_ip_address)) == 0) {
2049 snprintf (local_error_reason, sizeof(local_error_reason),
2050 "No multicast address specified for interface %u", i);
2051 goto parse_error;
2052 }
2053
2054 if (totem_config->interfaces[i].ip_port == 0) {
2055 snprintf (local_error_reason, sizeof(local_error_reason),
2056 "No multicast port specified for interface %u", i);
2057 goto parse_error;
2058 }
2059
2060 if (totem_config->interfaces[i].ttl > 255) {
2061 snprintf (local_error_reason, sizeof(local_error_reason),
2062 "Invalid TTL (should be 0..255) for interface %u", i);
2063 goto parse_error;
2064 }
2065 if (totem_config->transport_number != TOTEM_TRANSPORT_UDP &&
2066 totem_config->interfaces[i].ttl != 1) {
2067 snprintf (local_error_reason, sizeof(local_error_reason),
2068 "Can only set ttl on multicast transport types for interface %u", i);
2069 goto parse_error;
2070 }
2071 if (totem_config->interfaces[i].knet_link_priority > 255) {
2072 snprintf (local_error_reason, sizeof(local_error_reason),
2073 "Invalid link priority (should be 0..255) for interface %u", i);
2074 goto parse_error;
2075 }
2076 if (totem_config->transport_number != TOTEM_TRANSPORT_KNET &&
2077 totem_config->interfaces[i].knet_link_priority != 1) {
2078 snprintf (local_error_reason, sizeof(local_error_reason),
2079 "Can only set link priority on knet transport type for interface %u", i);
2080 goto parse_error;
2081 }
2082
2083 if (totem_config->interfaces[i].mcast_addr.family == AF_INET6 &&
2084 totem_config->node_id == 0) {
2085 snprintf (local_error_reason, sizeof(local_error_reason),
2086 "An IPV6 network requires that a node ID be specified for interface %u", i);
2087 goto parse_error;
2088 }
2089
2090 if (totem_config->broadcast_use == 0 && totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
2091 if (totem_config->interfaces[i].mcast_addr.family != totem_config->interfaces[i].bindnet.family) {
2092 snprintf (local_error_reason, sizeof(local_error_reason),
2093 "Multicast address family does not match bind address family for interface %u", i);
2094 goto parse_error;
2095 }
2096
2097 if (totemip_is_mcast (&totem_config->interfaces[i].mcast_addr) != 0) {
2098 snprintf (local_error_reason, sizeof(local_error_reason),
2099 "mcastaddr is not a correct multicast address for interface %u", i);
2100 goto parse_error;
2101 }
2102 }
2103 }
2104
2105 if (totem_config->version != 2) {
2106 error_reason = "This totem parser can only parse version 2 configurations.";
2107 goto parse_error;
2108 }
2109
2110 if (totem_volatile_config_validate(totem_config, icmap_get_global_map(), error_string) == -1) {
2111 return (-1);
2112 }
2113
2114 if (check_for_duplicate_nodeids(totem_config, error_string) == -1) {
2115 return (-1);
2116 }
2117
2118 /*
2119 * KNET Link values validation
2120 */
2121 if (strcmp (totem_config->link_mode, "active") &&
2122 strcmp (totem_config->link_mode, "rr") &&
2123 strcmp (totem_config->link_mode, "passive")) {
2124 snprintf (local_error_reason, sizeof(local_error_reason),
2125 "The Knet link mode \"%s\" specified is invalid. It must be active, passive or rr.\n", totem_config->link_mode);
2126 goto parse_error;
2127 }
2128
2129 /* Only Knet does multiple interfaces */
2130 if (totem_config->transport_number != TOTEM_TRANSPORT_KNET) {
2131 interface_max = 1;
2132 }
2133
2134 if (interface_max < num_configured) {
2135 snprintf (parse_error, sizeof(parse_error),
2136 "%d is too many configured interfaces for non-Knet transport.",
2137 num_configured);
2138 error_reason = parse_error;
2139 goto parse_error;
2140 }
2141
2142 /* Only knet allows crypto */
2143 if (totem_config->transport_number != TOTEM_TRANSPORT_KNET) {
2144 if ((strcmp(totem_config->crypto_cipher_type, "none") != 0) ||
2145 (strcmp(totem_config->crypto_hash_type, "none") != 0)) {
2146
2147 snprintf (parse_error, sizeof(parse_error),
2148 "crypto_cipher & crypto_hash are only valid for the Knet transport.");
2149 error_reason = parse_error;
2150 goto parse_error;
2151 }
2152 }
2153
2154 if (totem_config->net_mtu == 0) {
2155 if (totem_config->transport_number == TOTEM_TRANSPORT_KNET) {
2156 totem_config->net_mtu = KNET_MAX_PACKET_SIZE;
2157 }
2158 else {
2159 totem_config->net_mtu = UDP_NETMTU;
2160 }
2161 }
2162
2163 return 0;
2164
2165parse_error:
2166 snprintf (error_string_response, sizeof(error_string_response),
2167 "parse error in config: %s\n", error_reason);
2168 *error_string = error_string_response;
2169 return (-1);
2170
2171}
2172
2173static int read_keyfile (
2174 const char *key_location,
2175 struct totem_config *totem_config,
2176 const char **error_string)
2177{
2178 int fd;
2179 int res;
2180 int saved_errno;
2181 char error_str[100];
2182 const char *error_ptr;
2183
2184 fd = open (key_location, O_RDONLY);
2185 if (fd == -1) {
2186 error_ptr = qb_strerror_r(errno, error_str, sizeof(error_str));
2187 snprintf (error_string_response, sizeof(error_string_response),
2188 "Could not open %s: %s\n",
2189 key_location, error_ptr);
2190 goto parse_error;
2191 }
2192
2193 res = read (fd, totem_config->private_key, TOTEM_PRIVATE_KEY_LEN_MAX);
2194 saved_errno = errno;
2195 close (fd);
2196
2197 if (res == -1) {
2198 error_ptr = qb_strerror_r (saved_errno, error_str, sizeof(error_str));
2199 snprintf (error_string_response, sizeof(error_string_response),
2200 "Could not read %s: %s\n",
2201 key_location, error_ptr);
2202 goto parse_error;
2203 }
2204
2205 if (res < TOTEM_PRIVATE_KEY_LEN_MIN) {
2206 snprintf (error_string_response, sizeof(error_string_response),
2207 "Could only read %d bits of minimum %u bits from %s.\n",
2208 res * 8, TOTEM_PRIVATE_KEY_LEN_MIN * 8, key_location);
2209 goto parse_error;
2210 }
2211
2212 totem_config->private_key_len = res;
2213
2214 return 0;
2215
2216parse_error:
2217 *error_string = error_string_response;
2218 return (-1);
2219}
2220
2221int totem_config_keyread (
2222 struct totem_config *totem_config,
2223 icmap_map_t map,
2224 const char **error_string)
2225{
2226 int got_key = 0;
2227 char *key_location = NULL;
2228 int res;
2229 size_t key_len;
2230 char old_key[TOTEM_PRIVATE_KEY_LEN_MAX];
2231 size_t old_key_len;
2232
2233 /* Take a copy so we can see if it has changed */
2234 memcpy(old_key, totem_config->private_key, sizeof(totem_config->private_key));
2235 old_key_len = totem_config->private_key_len;
2236
2237 memset (totem_config->private_key, 0, sizeof(totem_config->private_key));
2238 totem_config->private_key_len = 0;
2239
2240 if (strcmp(totem_config->crypto_cipher_type, "none") == 0 &&
2241 strcmp(totem_config->crypto_hash_type, "none") == 0) {
2242 return (0);
2243 }
2244
2245 /* cmap may store the location of the key file */
2246 if (icmap_get_string_r(map, "totem.keyfile", &key_location) == CS_OK) {
2247 res = read_keyfile(key_location, totem_config, error_string);
2248 free(key_location);
2249 if (res) {
2250 goto key_error;
2251 }
2252 got_key = 1;
2253 } else { /* Or the key itself may be in the cmap */
2254 if (icmap_get_r(map, "totem.key", NULL, &key_len, NULL) == CS_OK) {
2255 if (key_len > sizeof(totem_config->private_key)) {
2256 sprintf(error_string_response, "key is too long");
2257 goto key_error;
2258 }
2259 if (key_len < TOTEM_PRIVATE_KEY_LEN_MIN) {
2260 sprintf(error_string_response, "key is too short");
2261 goto key_error;
2262 }
2263 if (icmap_get_r(map, "totem.key", totem_config->private_key, &key_len, NULL) == CS_OK) {
2264 totem_config->private_key_len = key_len;
2265 got_key = 1;
2266 } else {
2267 sprintf(error_string_response, "can't load private key");
2268 goto key_error;
2269 }
2270 }
2271 }
2272
2273 /* In desperation we read the default filename */
2274 if (!got_key) {
2275 res = read_keyfile(COROSYSCONFDIR "/authkey", totem_config, error_string);
2276 if (res)
2277 goto key_error;
2278 }
2279
2280 if (old_key_len != totem_config->private_key_len ||
2281 memcmp(old_key, totem_config->private_key, sizeof(totem_config->private_key))) {
2282 totem_config->crypto_changed = 1;
2283 }
2284
2285 return (0);
2286
2287key_error:
2288 *error_string = error_string_response;
2289 return (-1);
2290
2291}
2292
2293int totem_reread_crypto_config(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
2294{
2295 if (totem_get_crypto(totem_config, map, error_string) != 0) {
2296 return -1;
2297 }
2298 if (totem_config_keyread(totem_config, map, error_string) != 0) {
2299 return -1;
2300 }
2301 return 0;
2302}
2303
2304static void debug_dump_totem_config(const struct totem_config *totem_config)
2305{
2306
2307 log_printf(LOGSYS_LEVEL_DEBUG, "Token Timeout (%d ms) retransmit timeout (%d ms)",
2308 totem_config->token_timeout, totem_config->token_retransmit_timeout);
2309 if (totem_config->token_warning) {
2310 uint32_t token_warning_ms = totem_config->token_warning * totem_config->token_timeout / 100;
2311 log_printf(LOGSYS_LEVEL_DEBUG, "Token warning every %d ms (%d%% of Token Timeout)",
2312 token_warning_ms, totem_config->token_warning);
2313 if (token_warning_ms < totem_config->token_retransmit_timeout)
2314 log_printf (LOGSYS_LEVEL_DEBUG,
2315 "The token warning interval (%d ms) is less than the token retransmit timeout (%d ms) "
2316 "which can lead to spurious token warnings. Consider increasing the token_warning parameter.",
2317 token_warning_ms, totem_config->token_retransmit_timeout);
2318
2319 } else
2320 log_printf(LOGSYS_LEVEL_DEBUG, "Token warnings disabled");
2321 log_printf(LOGSYS_LEVEL_DEBUG, "token hold (%d ms) retransmits before loss (%d retrans)",
2322 totem_config->token_hold_timeout, totem_config->token_retransmits_before_loss_const);
2323 log_printf(LOGSYS_LEVEL_DEBUG, "join (%d ms) send_join (%d ms) consensus (%d ms) merge (%d ms)",
2324 totem_config->join_timeout, totem_config->send_join_timeout, totem_config->consensus_timeout,
2325 totem_config->merge_timeout);
2326 log_printf(LOGSYS_LEVEL_DEBUG, "downcheck (%d ms) fail to recv const (%d msgs)",
2327 totem_config->downcheck_timeout, totem_config->fail_to_recv_const);
2328 log_printf(LOGSYS_LEVEL_DEBUG,
2329 "seqno unchanged const (%d rotations) Maximum network MTU %d",
2330 totem_config->seqno_unchanged_const, totem_config->net_mtu);
2331 log_printf(LOGSYS_LEVEL_DEBUG,
2332 "window size per rotation (%d messages) maximum messages per rotation (%d messages)",
2333 totem_config->window_size, totem_config->max_messages);
2334 log_printf(LOGSYS_LEVEL_DEBUG, "missed count const (%d messages)", totem_config->miss_count_const);
2335 log_printf(LOGSYS_LEVEL_DEBUG, "heartbeat_failures_allowed (%d)",
2336 totem_config->heartbeat_failures_allowed);
2337 log_printf(LOGSYS_LEVEL_DEBUG, "max_network_delay (%d ms)", totem_config->max_network_delay);
2338}
2339
2340
2341static void totem_change_notify(
2342 int32_t event,
2343 const char *key_name,
2344 struct icmap_notify_value new_val,
2345 struct icmap_notify_value old_val,
2346 void *user_data)
2347{
2348 struct totem_config *totem_config = (struct totem_config *)user_data;
2349 uint32_t *param;
2350 uint8_t reloading;
2351 const char *deleted_key = NULL;
2352 const char *error_string;
2353
2354 /*
2355 * If a full reload is in progress then don't do anything until it's done and
2356 * can reconfigure it all atomically
2357 */
2358 if (icmap_get_uint8("config.reload_in_progress", &reloading) == CS_OK && reloading)
2359 return;
2360
2361 param = totem_get_param_by_name((struct totem_config *)user_data, key_name);
2362 /*
2363 * Process change only if changed key is found in totem_config (-> param is not NULL)
2364 * or for special key token_coefficient. token_coefficient key is not stored in
2365 * totem_config, but it is used for computation of token timeout.
2366 */
2367 if (!param && strcmp(key_name, "totem.token_coefficient") != 0)
2368 return;
2369
2370 /*
2371 * Values other than UINT32 are not supported, or needed (yet)
2372 */
2373 switch (event) {
2374 case ICMAP_TRACK_DELETE:
2375 deleted_key = key_name;
2376 break;
2377 case ICMAP_TRACK_ADD:
2378 case ICMAP_TRACK_MODIFY:
2379 deleted_key = NULL;
2380 break;
2381 default:
2382 break;
2383 }
2384
2385 totem_volatile_config_read (totem_config, icmap_get_global_map(), deleted_key);
2386 log_printf(LOGSYS_LEVEL_DEBUG, "Totem related config key changed. Dumping actual totem config.");
2387 debug_dump_totem_config(totem_config);
2388 if (totem_volatile_config_validate(totem_config, icmap_get_global_map(), &error_string) == -1) {
2389 log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
2390 /*
2391 * TODO: Consider corosync exit and/or load defaults for volatile
2392 * values. For now, log error seems to be enough
2393 */
2394 }
2395}
2396
2397
2398int totemconfig_configure_new_params(
2399 struct totem_config *totem_config,
2400 icmap_map_t map,
2401 const char **error_string)
2402{
2403 uint64_t warnings = 0LL;
2404
2405 get_interface_params(totem_config, map, error_string, &warnings, 1);
2406 if (put_nodelist_members_to_config (totem_config, map, 1, error_string)) {
2407 return -1;
2408 }
2409
2410 calc_knet_ping_timers(totem_config);
2411
2412 log_printf(LOGSYS_LEVEL_DEBUG, "Configuration reloaded. Dumping actual totem config.");
2413 debug_dump_totem_config(totem_config);
2414
2415 /* Reinstate the local_node_pos */
2416 (void)find_local_node(map, 0);
2417
2418 return 0;
2419}
2420
2421int totemconfig_commit_new_params(
2422 struct totem_config *totem_config,
2423 icmap_map_t map)
2424{
2425 int res;
2426 struct totem_interface *new_interfaces = NULL;
2427
2428 new_interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
2429 assert(new_interfaces != NULL);
2430 memcpy(new_interfaces, totem_config->interfaces, sizeof (struct totem_interface) * INTERFACE_MAX);
2431
2432 /* Set link parameters including local_ip */
2433 configure_totem_links(totem_config, map);
2434
2435 /* Add & remove nodes & link properties */
2436 res = compute_and_set_totempg_interfaces(totem_config->orig_interfaces, new_interfaces);
2437
2438 /* Does basic global params (like compression) */
2439 totempg_reconfigure();
2440
2441 free(new_interfaces);
2442
2443 /*
2444 * On a reload this return is ignored because it's too late to do anything about it,
2445 * but errors are reported back via cmap.
2446 */
2447 return res;
2448
2449}
2450
2451static void add_totem_config_notification(struct totem_config *totem_config)
2452{
2453 icmap_track_t icmap_track;
2454
2455 icmap_track_add("totem.",
2456 ICMAP_TRACK_ADD | ICMAP_TRACK_DELETE | ICMAP_TRACK_MODIFY | ICMAP_TRACK_PREFIX,
2457 totem_change_notify,
2458 totem_config,
2459 &icmap_track);
2460}
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:1088
icmap_get_uint8
cs_error_t icmap_get_uint8(const char *key_name, uint8_t *u8)
Definition icmap.c:872
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:739
icmap_get_uint16
cs_error_t icmap_get_uint16(const char *key_name, uint16_t *u16)
Definition icmap.c:884
icmap_get_uint32
cs_error_t icmap_get_uint32(const char *key_name, uint32_t *u32)
Definition icmap.c:896
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:1229
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:531
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:806
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:589
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:1163
icmap_set_string
cs_error_t icmap_set_string(const char *key_name, const char *value)
Definition icmap.c:631
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:1093
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:818
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:525
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:1099
icmap_get_global_map
icmap_map_t icmap_get_global_map(void)
Return global icmap.
Definition icmap.c:268
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:561
icmap_iter_finalize
void icmap_iter_finalize(icmap_iter_t iter)
Finalize iterator.
Definition icmap.c:1120
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:824
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:696
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:830
icmap_set_uint32
cs_error_t icmap_set_uint32(const char *key_name, uint32_t value)
Definition icmap.c:601
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:860
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
totem_config_read
int totem_config_read(struct totem_config *totem_config, const char **error_string, uint64_t *warnings)
Definition totemconfig.c:1788
MISS_COUNT_CONST
#define MISS_COUNT_CONST
Definition totemconfig.c:82
totemconfig_commit_new_params
int totemconfig_commit_new_params(struct totem_config *totem_config, icmap_map_t map)
Definition totemconfig.c:2421
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:2293
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:2005
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:2398
totem_config_keyread
int totem_config_keyread(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
Definition totemconfig.c:2221
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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