corosync  3.1.5
totemconfig.c
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1 /*
2  * Copyright (c) 2002-2005 MontaVista Software, Inc.
3  * Copyright (c) 2006-2019 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 /* This constant is not used for knet */
85 #define UDP_NETMTU 1500
86 
87 /* Currently all but PONG_COUNT match the defaults in libknet.h */
88 #define KNET_PING_INTERVAL 1000
89 #define KNET_PING_TIMEOUT 2000
90 #define KNET_PING_PRECISION 2048
91 #define KNET_PONG_COUNT 2
92 #define KNET_PMTUD_INTERVAL 30
93 #define KNET_DEFAULT_TRANSPORT KNET_TRANSPORT_UDP
94 
95 #define DEFAULT_PORT 5405
96 
97 static char error_string_response[768];
98 
99 static void add_totem_config_notification(struct totem_config *totem_config);
100 
101 static void *totem_get_param_by_name(struct totem_config *totem_config, const char *param_name)
102 {
103  if (strcmp(param_name, "totem.token") == 0)
104  return &totem_config->token_timeout;
105  if (strcmp(param_name, "totem.token_warning") == 0)
106  return &totem_config->token_warning;
107  if (strcmp(param_name, "totem.token_retransmit") == 0)
109  if (strcmp(param_name, "totem.hold") == 0)
111  if (strcmp(param_name, "totem.token_retransmits_before_loss_const") == 0)
113  if (strcmp(param_name, "totem.join") == 0)
114  return &totem_config->join_timeout;
115  if (strcmp(param_name, "totem.send_join") == 0)
117  if (strcmp(param_name, "totem.consensus") == 0)
119  if (strcmp(param_name, "totem.merge") == 0)
120  return &totem_config->merge_timeout;
121  if (strcmp(param_name, "totem.downcheck") == 0)
123  if (strcmp(param_name, "totem.fail_recv_const") == 0)
125  if (strcmp(param_name, "totem.seqno_unchanged_const") == 0)
127  if (strcmp(param_name, "totem.heartbeat_failures_allowed") == 0)
129  if (strcmp(param_name, "totem.max_network_delay") == 0)
131  if (strcmp(param_name, "totem.window_size") == 0)
132  return &totem_config->window_size;
133  if (strcmp(param_name, "totem.max_messages") == 0)
134  return &totem_config->max_messages;
135  if (strcmp(param_name, "totem.miss_count_const") == 0)
137  if (strcmp(param_name, "totem.knet_pmtud_interval") == 0)
139  if (strcmp(param_name, "totem.knet_compression_threshold") == 0)
141  if (strcmp(param_name, "totem.knet_compression_level") == 0)
143  if (strcmp(param_name, "totem.knet_compression_model") == 0)
145  if (strcmp(param_name, "totem.block_unlisted_ips") == 0)
147 
148  return NULL;
149 }
150 
151 /*
152  * Read key_name from icmap. If key is not found or key_name == delete_key or if allow_zero is false
153  * and readed value is zero, default value is used and stored into totem_config.
154  */
155 static void totem_volatile_config_set_uint32_value (struct totem_config *totem_config, icmap_map_t map,
156  const char *key_name, const char *deleted_key, unsigned int default_value,
157  int allow_zero_value)
158 {
159  char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
160 
161  if (icmap_get_uint32_r(map, key_name, totem_get_param_by_name(totem_config, key_name)) != CS_OK ||
162  (deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
163  (!allow_zero_value && *(uint32_t *)totem_get_param_by_name(totem_config, key_name) == 0)) {
164  *(uint32_t *)totem_get_param_by_name(totem_config, key_name) = default_value;
165  }
166 
167  /*
168  * Store totem_config value to cmap runtime section
169  */
170  if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
171  /*
172  * This shouldn't happen
173  */
174  return ;
175  }
176 
177  strcpy(runtime_key_name, "runtime.config.");
178  strcat(runtime_key_name, key_name);
179 
180  icmap_set_uint32_r(map, runtime_key_name, *(uint32_t *)totem_get_param_by_name(totem_config, key_name));
181 }
182 
183 static void totem_volatile_config_set_int32_value (struct totem_config *totem_config, icmap_map_t map,
184  const char *key_name, const char *deleted_key, int default_value,
185  int allow_zero_value)
186 {
187  char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
188 
189  if (icmap_get_int32_r(map, key_name, totem_get_param_by_name(totem_config, key_name)) != CS_OK ||
190  (deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
191  (!allow_zero_value && *(int32_t *)totem_get_param_by_name(totem_config, key_name) == 0)) {
192  *(int32_t *)totem_get_param_by_name(totem_config, key_name) = default_value;
193  }
194 
195  /*
196  * Store totem_config value to cmap runtime section
197  */
198  if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
199  /*
200  * This shouldn't happen
201  */
202  return ;
203  }
204 
205  strcpy(runtime_key_name, "runtime.config.");
206  strcat(runtime_key_name, key_name);
207 
208  icmap_set_int32_r(map, runtime_key_name, *(int32_t *)totem_get_param_by_name(totem_config, key_name));
209 }
210 
211 static void totem_volatile_config_set_string_value (struct totem_config *totem_config, icmap_map_t map,
212  const char *key_name, const char *deleted_key, const char *default_value)
213 {
214  char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
215  int res;
216  char *new_config_value;
217  const void *config_value;
218 
219  config_value = totem_get_param_by_name(totem_config, key_name);
220 
221  res = icmap_get_string_r(map, key_name, (char **)&new_config_value);
222  if (res != CS_OK ||
223  (deleted_key != NULL && strcmp(deleted_key, key_name) == 0)) {
224 
225  /* Slightly pointless use of strncpy but it keeps coverity happy */
226  strncpy((char *)config_value, default_value, CONFIG_STRING_LEN_MAX);
227  } else {
228  strncpy((char *)config_value, new_config_value, CONFIG_STRING_LEN_MAX);
229  }
230  if (res == CS_OK) {
231  free(new_config_value);
232  }
233 
234  /*
235  * Store totem_config value to cmap runtime section
236  */
237  if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
238  /*
239  * This shouldn't happen
240  */
241  return ;
242  }
243 
244  strcpy(runtime_key_name, "runtime.config.");
245  strcat(runtime_key_name, key_name);
246 
247  (void)icmap_set_string_r(map, runtime_key_name, (char *)config_value);
248 }
249 
250 /*
251  * Read string value stored in key_name from icmap, use it as a boolean (yes/no) type, convert it
252  * to integer value (1/0) and store into totem_config.
253  *
254  * If key is not found or key_name == delete_key default value is used
255  * and stored into totem_config.
256  */
257 static void totem_volatile_config_set_boolean_value (struct totem_config *totem_config, icmap_map_t map,
258  const char *key_name, const char *deleted_key, unsigned int default_value)
259 {
260  char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
261  char *str;
262  int val;
263 
264  str = NULL;
265  val = default_value;
266 
267  if ((deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
268  (icmap_get_string_r(map, key_name, &str) != CS_OK)) {
269  /*
270  * Do nothing. str is NULL (icmap_get_string ether not called or
271  * not changed str).
272  */
273  } else {
274  if (strcmp(str, "yes") == 0) {
275  val = 1;
276  } else if (strcmp(str, "no") == 0) {
277  val = 0;
278  }
279  free(str);
280  }
281 
282  /*
283  * Store totem_config value to cmap runtime section
284  */
285  if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
286  /*
287  * This shouldn't happen
288  */
289  return ;
290  }
291 
292  strcpy(runtime_key_name, "runtime.config.");
293  strcat(runtime_key_name, key_name);
294 
295  *(uint32_t *)totem_get_param_by_name(totem_config, key_name) = val;
296 
297  icmap_set_uint32_r(map, runtime_key_name, val);
298 }
299 
300 /*
301  * Read and validate config values from cmap and store them into totem_config. If key doesn't exists,
302  * default value is stored. deleted_key is name of key beeing processed by delete operation
303  * from cmap. It is considered as non existing even if it can be read. Can be NULL.
304  */
305 void totem_volatile_config_read (struct totem_config *totem_config, icmap_map_t temp_map, const char *deleted_key)
306 {
307  uint32_t u32;
308 
309  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_retransmits_before_loss_const", deleted_key,
311 
312  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token", deleted_key, TOKEN_TIMEOUT, 0);
313 
314  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_warning", deleted_key, TOKEN_WARNING, 1);
315 
316  if (totem_config->interfaces[0].member_count > 2) {
317  u32 = TOKEN_COEFFICIENT;
318  icmap_get_uint32_r(temp_map, "totem.token_coefficient", &u32);
320 
321  /*
322  * Store totem_config value to cmap runtime section
323  */
324  icmap_set_uint32_r(temp_map, "runtime.config.totem.token", totem_config->token_timeout);
325  }
326 
327  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.max_network_delay", deleted_key, MAX_NETWORK_DELAY, 0);
328 
329  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.window_size", deleted_key, WINDOW_SIZE, 0);
330 
331  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.max_messages", deleted_key, MAX_MESSAGES, 0);
332 
333  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.miss_count_const", deleted_key, MISS_COUNT_CONST, 0);
334  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.knet_pmtud_interval", deleted_key, KNET_PMTUD_INTERVAL, 0);
335 
336  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_retransmit", deleted_key,
338 
339  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.hold", deleted_key,
340  (int)(totem_config->token_retransmit_timeout * 0.8 - (1000/HZ)), 0);
341 
342  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.join", deleted_key, JOIN_TIMEOUT, 0);
343 
344  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.consensus", deleted_key,
345  (int)(float)(1.2 * totem_config->token_timeout), 0);
346 
347  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.merge", deleted_key, MERGE_TIMEOUT, 0);
348 
349  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.downcheck", deleted_key, DOWNCHECK_TIMEOUT, 0);
350 
351  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.fail_recv_const", deleted_key, FAIL_TO_RECV_CONST, 0);
352 
353  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.seqno_unchanged_const", deleted_key,
355 
356  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.send_join", deleted_key, 0, 1);
357 
358  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.heartbeat_failures_allowed", deleted_key, 0, 1);
359 
360  totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.knet_compression_threshold", deleted_key, 0, 1);
361 
362  totem_volatile_config_set_int32_value(totem_config, temp_map, "totem.knet_compression_level", deleted_key, 0, 1);
363 
364  totem_volatile_config_set_string_value(totem_config, temp_map, "totem.knet_compression_model", deleted_key, "none");
365 
366  totem_volatile_config_set_boolean_value(totem_config, temp_map, "totem.block_unlisted_ips", deleted_key,
368 }
369 
371  struct totem_config *totem_config,
372  icmap_map_t temp_map,
373  const char **error_string)
374 {
375  /* Static just to keep them off the stack */
376  static char local_error_reason[512];
377  static char addr_str_buf[INET6_ADDRSTRLEN];
378  const char *error_reason = local_error_reason;
379  char name_key[ICMAP_KEYNAME_MAXLEN];
380  char *name_str;
381  int i, j, num_configured, members;
382  uint32_t tmp_config_value;
383 
385  snprintf (local_error_reason, sizeof(local_error_reason),
386  "The max_network_delay parameter (%d ms) may not be less than (%d ms).",
388  goto parse_error;
389  }
390 
392  snprintf (local_error_reason, sizeof(local_error_reason),
393  "The token timeout parameter (%d ms) may not be less than (%d ms).",
395  goto parse_error;
396  }
397 
399  snprintf (local_error_reason, sizeof(local_error_reason),
400  "The token warning parameter (%d%%) must be between 0 (disabled) and 100.",
402  goto parse_error;
403  }
404 
406  if (icmap_get_uint32_r(temp_map, "totem.token_retransmit", &tmp_config_value) == CS_OK) {
407  snprintf (local_error_reason, sizeof(local_error_reason),
408  "The token retransmit timeout parameter (%d ms) may not be less than (%d ms).",
410  goto parse_error;
411  } else {
412  snprintf (local_error_reason, sizeof(local_error_reason),
413  "Not appropriate token or token_retransmits_before_loss_const value set");
414  goto parse_error;
415  }
416  }
417 
419  snprintf (local_error_reason, sizeof(local_error_reason),
420  "The token hold timeout parameter (%d ms) may not be less than (%d ms).",
422  goto parse_error;
423  }
424 
426  snprintf (local_error_reason, sizeof(local_error_reason),
427  "The join timeout parameter (%d ms) may not be less than (%d ms).",
429  goto parse_error;
430  }
431 
433  snprintf (local_error_reason, sizeof(local_error_reason),
434  "The consensus timeout parameter (%d ms) may not be less than (%d ms).",
436  goto parse_error;
437  }
438 
440  snprintf (local_error_reason, sizeof(local_error_reason),
441  "The consensus timeout parameter (%d ms) may not be less than join timeout (%d ms).",
443  goto parse_error;
444  }
445 
447  snprintf (local_error_reason, sizeof(local_error_reason),
448  "The merge timeout parameter (%d ms) may not be less than (%d ms).",
450  goto parse_error;
451  }
452 
454  snprintf (local_error_reason, sizeof(local_error_reason),
455  "The downcheck timeout parameter (%d ms) may not be less than (%d ms).",
457  goto parse_error;
458  }
459 
460  /* Check that we have nodelist 'name' if there is more than one link */
461  num_configured = 0;
462  members = -1;
463  for (i = 0; i < INTERFACE_MAX; i++) {
465  if (num_configured == 0) {
466  members = totem_config->interfaces[i].member_count;
467  }
468  num_configured++;
469  }
470  }
471 
472  if (num_configured > 1) {
473  /*
474  * This assert is here just to make compiler happy
475  */
476  assert(members != -1);
477  for (i=0; i < members; i++) {
478  snprintf(name_key, sizeof(name_key), "nodelist.node.%d.name", i);
479 
480  if (icmap_get_string_r(temp_map, name_key, &name_str) != CS_OK) {
481  snprintf (local_error_reason, sizeof(local_error_reason),
482  "for a multi-link configuration, all nodes must have a 'name' attribute");
483  goto parse_error;
484  }
485 
486  free(name_str);
487  }
488 
489  for (i=0; i < INTERFACE_MAX; i++) {
491  continue;
492  }
493  if (totem_config->interfaces[i].member_count != members) {
494  snprintf (local_error_reason, sizeof(local_error_reason),
495  "Not all nodes have the same number of links");
496  goto parse_error;
497  }
498  }
499  }
500 
501  /* Verify that all nodes on the same link have the same IP family */
502  for (i=0; i < INTERFACE_MAX; i++) {
503  for (j=1; j<totem_config->interfaces[i].member_count; j++) {
507  memcpy(addr_str_buf,
509  sizeof(addr_str_buf));
510 
511  snprintf (local_error_reason, sizeof(local_error_reason),
512  "Nodes for link %d have different IP families "
513  "(compared %s with %s)", i,
514  addr_str_buf,
516  goto parse_error;
517  }
518  }
519  }
520  }
521 
522  return 0;
523 
524 parse_error:
525  snprintf (error_string_response, sizeof(error_string_response),
526  "parse error in config: %s\n", error_reason);
527  *error_string = error_string_response;
528  return (-1);
529 
530 }
531 
532 static int totem_get_crypto(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
533 {
534  char *str;
535  const char *tmp_cipher;
536  const char *tmp_hash;
537  const char *tmp_model;
538  char *crypto_model_str;
539  int res = 0;
540 
541  tmp_hash = "none";
542  tmp_cipher = "none";
543  tmp_model = "none";
544 
545  crypto_model_str = NULL;
546  if (icmap_get_string_r(map, "totem.crypto_model", &crypto_model_str) == CS_OK) {
547  tmp_model = crypto_model_str;
548  } else {
549  tmp_model = "nss";
550  }
551 
552  if (icmap_get_string_r(map, "totem.secauth", &str) == CS_OK) {
553  if (strcmp(str, "on") == 0) {
554  tmp_cipher = "aes256";
555  tmp_hash = "sha256";
556  }
557  free(str);
558  }
559 
560  if (icmap_get_string_r(map, "totem.crypto_cipher", &str) == CS_OK) {
561  if (strcmp(str, "none") == 0) {
562  tmp_cipher = "none";
563  }
564  if (strcmp(str, "aes256") == 0) {
565  tmp_cipher = "aes256";
566  }
567  if (strcmp(str, "aes192") == 0) {
568  tmp_cipher = "aes192";
569  }
570  if (strcmp(str, "aes128") == 0) {
571  tmp_cipher = "aes128";
572  }
573  free(str);
574  }
575 
576  if (icmap_get_string_r(map, "totem.crypto_hash", &str) == CS_OK) {
577  if (strcmp(str, "none") == 0) {
578  tmp_hash = "none";
579  }
580  if (strcmp(str, "md5") == 0) {
581  tmp_hash = "md5";
582  }
583  if (strcmp(str, "sha1") == 0) {
584  tmp_hash = "sha1";
585  }
586  if (strcmp(str, "sha256") == 0) {
587  tmp_hash = "sha256";
588  }
589  if (strcmp(str, "sha384") == 0) {
590  tmp_hash = "sha384";
591  }
592  if (strcmp(str, "sha512") == 0) {
593  tmp_hash = "sha512";
594  }
595  free(str);
596  }
597 
598  if ((strcmp(tmp_cipher, "none") != 0) &&
599  (strcmp(tmp_hash, "none") == 0)) {
600  *error_string = "crypto_cipher requires crypto_hash with value other than none";
601  res = -1;
602 
603  goto out_free_crypto_model_str;
604  }
605 
606  if (strcmp(tmp_model, "none") == 0) {
607  /*
608  * Shouldn't happen because it is handled by coroparse
609  */
610  *error_string = "invalid crypto_model";
611  res = -1;
612 
613  goto out_free_crypto_model_str;
614  }
615 
616  if (strcmp(tmp_cipher, totem_config->crypto_cipher_type) ||
617  strcmp(tmp_hash, totem_config->crypto_hash_type) ||
618  strcmp(tmp_model, totem_config->crypto_model)) {
620  }
621 
622  strncpy(totem_config->crypto_cipher_type, tmp_cipher, CONFIG_STRING_LEN_MAX - 1);
624 
625  strncpy(totem_config->crypto_hash_type, tmp_hash, CONFIG_STRING_LEN_MAX - 1);
627 
628  strncpy(totem_config->crypto_model, tmp_model, CONFIG_STRING_LEN_MAX - 1);
630 
631 out_free_crypto_model_str:
632  free(crypto_model_str);
633 
634  return (res);
635 }
636 
637 static int nodelist_byname(icmap_map_t map, const char *find_name, int strip_domain)
638 {
639  icmap_iter_t iter;
640  const char *iter_key;
641  char name_str[ICMAP_KEYNAME_MAXLEN];
642  int res = 0;
643  unsigned int node_pos;
644  char *name;
645  unsigned int namelen;
646 
647  iter = icmap_iter_init_r(map, "nodelist.node.");
648  while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
649  res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, name_str);
650  if (res != 2) {
651  continue;
652  }
653  /* ring0_addr is allowed as a fallback */
654  if (strcmp(name_str, "name") && strcmp(name_str, "ring0_addr")) {
655  continue;
656  }
657  if (icmap_get_string_r(map, iter_key, &name) != CS_OK) {
658  continue;
659  }
660  namelen = strlen(name);
661 
662  if (strip_domain) {
663  char *dot;
664  dot = strchr(name, '.');
665  if (dot) {
666  namelen = dot - name;
667  }
668  }
669  if (strncmp(find_name, name, namelen) == 0 &&
670  strlen(find_name) == namelen) {
671  icmap_iter_finalize(iter);
672  return node_pos;
673  }
674  }
675  icmap_iter_finalize(iter);
676  return -1;
677 }
678 
679 /* Compare two addresses - only address part (sin_addr/sin6_addr) is checked */
680 static int ipaddr_equal(const struct sockaddr *addr1, const struct sockaddr *addr2)
681 {
682  int addrlen = 0;
683  const void *addr1p, *addr2p;
684 
685  if (addr1->sa_family != addr2->sa_family)
686  return 0;
687 
688  switch (addr1->sa_family) {
689  case AF_INET:
690  addrlen = sizeof(struct in_addr);
691  addr1p = &((struct sockaddr_in *)addr1)->sin_addr;
692  addr2p = &((struct sockaddr_in *)addr2)->sin_addr;
693  break;
694  case AF_INET6:
695  addrlen = sizeof(struct in6_addr);
696  addr1p = &((struct sockaddr_in6 *)addr1)->sin6_addr;
697  addr2p = &((struct sockaddr_in6 *)addr2)->sin6_addr;
698  break;
699  default:
700  assert(0);
701  }
702 
703  return (memcmp(addr1p, addr2p, addrlen) == 0);
704 }
705 
706 
707 /* Finds the local node and returns its position in the nodelist.
708  * Uses nodelist.local_node_pos as a cache to save effort
709  */
710 static int find_local_node(icmap_map_t map, int use_cache)
711 {
712  char nodename2[PATH_MAX];
713  char name_str[ICMAP_KEYNAME_MAXLEN];
714  icmap_iter_t iter;
715  const char *iter_key;
716  unsigned int cached_pos;
717  char *dot = NULL;
718  const char *node;
719  struct ifaddrs *ifa, *ifa_list;
720  struct sockaddr *sa;
721  int found = 0;
722  int node_pos = -1;
723  int res;
724  struct utsname utsname;
725 
726  /* Check for cached value first */
727  if (use_cache) {
728  if (icmap_get_uint32("nodelist.local_node_pos", &cached_pos) == CS_OK) {
729  return cached_pos;
730  }
731  }
732 
733  res = uname(&utsname);
734  if (res) {
735  return -1;
736  }
737  node = utsname.nodename;
738 
739  /* 1. Exact match */
740  node_pos = nodelist_byname(map, node, 0);
741  if (node_pos > -1) {
742  found = 1;
743  goto ret_found;
744  }
745 
746  /* 2. Try to match with increasingly more
747  * specific versions of it
748  */
749  strcpy(nodename2, node);
750  dot = strrchr(nodename2, '.');
751  while (dot) {
752  *dot = '\0';
753 
754  node_pos = nodelist_byname(map, nodename2, 0);
755  if (node_pos > -1) {
756  found = 1;
757  goto ret_found;
758  }
759  dot = strrchr(nodename2, '.');
760  }
761 
762  node_pos = nodelist_byname(map, nodename2, 1);
763  if (node_pos > -1) {
764  found = 1;
765  goto ret_found;
766  }
767 
768  /*
769  * The corosync.conf name may not be related to uname at all,
770  * they may match a hostname on some network interface.
771  */
772  if (getifaddrs(&ifa_list))
773  return -1;
774 
775  for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) {
776  socklen_t salen = 0;
777 
778  /* Restore this */
779  strcpy(nodename2, node);
780  sa = ifa->ifa_addr;
781  if (!sa) {
782  continue;
783  }
784  if (sa->sa_family != AF_INET && sa->sa_family != AF_INET6) {
785  continue;
786  }
787 
788  if (sa->sa_family == AF_INET) {
789  salen = sizeof(struct sockaddr_in);
790  }
791  if (sa->sa_family == AF_INET6) {
792  salen = sizeof(struct sockaddr_in6);
793  }
794 
795  if (getnameinfo(sa, salen,
796  nodename2, sizeof(nodename2),
797  NULL, 0, 0) == 0) {
798 
799  node_pos = nodelist_byname(map, nodename2, 0);
800  if (node_pos > -1) {
801  found = 1;
802  goto out;
803  }
804 
805  /* Truncate this name and try again */
806  dot = strchr(nodename2, '.');
807  if (dot) {
808  *dot = '\0';
809 
810  node_pos = nodelist_byname(map, nodename2, 0);
811  if (node_pos > -1) {
812  found = 1;
813  goto out;
814  }
815  }
816  }
817 
818  /* See if it's the IP address that's in corosync.conf */
819  if (getnameinfo(sa, sizeof(*sa),
820  nodename2, sizeof(nodename2),
821  NULL, 0, NI_NUMERICHOST))
822  continue;
823 
824  node_pos = nodelist_byname(map, nodename2, 0);
825  if (node_pos > -1) {
826  found = 1;
827  goto out;
828  }
829  }
830 
831  out:
832  if (found) {
833  freeifaddrs(ifa_list);
834  goto ret_found;
835  }
836 
837  /*
838  * This section covers the usecase where the nodename specified in cluster.conf
839  * is an alias specified in /etc/hosts. For example:
840  * <ipaddr> hostname alias1 alias2
841  * and <clusternode name="alias2">
842  * the above calls use uname and getnameinfo does not return aliases.
843  * here we take the name specified in cluster.conf, resolve it to an address
844  * and then compare against all known local ip addresses.
845  * if we have a match, we found our nodename. In theory this chunk of code
846  * could replace all the checks above, but let's avoid any possible regressions
847  * and use it as last.
848  */
849 
850  iter = icmap_iter_init_r(map, "nodelist.node.");
851  while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
852  char *dbnodename = NULL;
853  struct addrinfo hints;
854  struct addrinfo *result = NULL, *rp = NULL;
855 
856  res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, name_str);
857  if (res != 2) {
858  continue;
859  }
860  /* 'ring0_addr' is allowed as a fallback, but 'name' will be found first
861  * because the names are in alpha order.
862  */
863  if (strcmp(name_str, "name") && strcmp(name_str, "ring0_addr")) {
864  continue;
865  }
866  if (icmap_get_string_r(map, iter_key, &dbnodename) != CS_OK) {
867  continue;
868  }
869 
870  memset(&hints, 0, sizeof(struct addrinfo));
871  hints.ai_family = AF_UNSPEC;
872  hints.ai_socktype = SOCK_DGRAM;
873  hints.ai_flags = 0;
874  hints.ai_protocol = IPPROTO_UDP;
875 
876  if (getaddrinfo(dbnodename, NULL, &hints, &result)) {
877  continue;
878  }
879 
880  for (rp = result; rp != NULL; rp = rp->ai_next) {
881  for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) {
882  if (ifa->ifa_addr &&
883  ipaddr_equal(rp->ai_addr, ifa->ifa_addr)) {
884  freeaddrinfo(result);
885  found = 1;
886  goto out2;
887  }
888  }
889  }
890 
891  freeaddrinfo(result);
892  }
893 out2:
894  icmap_iter_finalize(iter);
895  freeifaddrs(ifa_list);
896 
897 ret_found:
898  if (found) {
899  res = icmap_set_uint32_r(map, "nodelist.local_node_pos", node_pos);
900  }
901 
902  return node_pos;
903 }
904 
905 static enum totem_ip_version_enum totem_config_get_ip_version(struct totem_config *totem_config)
906 {
907  enum totem_ip_version_enum res;
908  char *str;
909 
910  res = TOTEM_IP_VERSION_6_4;
911 
913  res = TOTEM_IP_VERSION_4;
914  }
915 
916  if (icmap_get_string("totem.ip_version", &str) == CS_OK) {
917  if (strcmp(str, "ipv4") == 0) {
918  res = TOTEM_IP_VERSION_4;
919  }
920  if (strcmp(str, "ipv6") == 0) {
921  res = TOTEM_IP_VERSION_6;
922  }
923  if (strcmp(str, "ipv6-4") == 0) {
924  res = TOTEM_IP_VERSION_6_4;
925  }
926  if (strcmp(str, "ipv4-6") == 0) {
927  res = TOTEM_IP_VERSION_4_6;
928  }
929  free(str);
930  }
931 
932  return (res);
933 }
934 
935 static uint16_t generate_cluster_id (const char *cluster_name)
936 {
937  int i;
938  int value = 0;
939 
940  for (i = 0; i < strlen(cluster_name); i++) {
941  value <<= 1;
942  value += cluster_name[i];
943  }
944 
945  return (value & 0xFFFF);
946 }
947 
948 static int get_cluster_mcast_addr (
949  const char *cluster_name,
950  unsigned int linknumber,
951  enum totem_ip_version_enum ip_version,
952  struct totem_ip_address *res)
953 {
954  uint16_t clusterid;
955  char addr[INET6_ADDRSTRLEN + 1];
956  int err;
957 
958  if (cluster_name == NULL) {
959  return (-1);
960  }
961 
962  clusterid = generate_cluster_id(cluster_name) + linknumber;
963  memset (res, 0, sizeof(*res));
964 
965  switch (ip_version) {
966  case TOTEM_IP_VERSION_4:
968  snprintf(addr, sizeof(addr), "239.192.%d.%d", clusterid >> 8, clusterid % 0xFF);
969  break;
970  case TOTEM_IP_VERSION_6:
972  snprintf(addr, sizeof(addr), "ff15::%x", clusterid);
973  break;
974  default:
975  /*
976  * Unknown family
977  */
978  return (-1);
979  }
980 
981  err = totemip_parse (res, addr, ip_version);
982 
983  return (err);
984 }
985 
986 static unsigned int generate_nodeid(
987  struct totem_config *totem_config,
988  char *addr)
989 {
990  unsigned int nodeid;
991  struct totem_ip_address totemip;
992 
993  /* AF_INET hard-coded here because auto-generated nodeids
994  are only for IPv4 */
995  if (totemip_parse(&totemip, addr, TOTEM_IP_VERSION_4) != 0)
996  return -1;
997 
998  memcpy (&nodeid, &totemip.addr, sizeof (unsigned int));
999 
1000 #if __BYTE_ORDER == __LITTLE_ENDIAN
1001  nodeid = swab32 (nodeid);
1002 #endif
1003 
1005  nodeid &= 0x7FFFFFFF;
1006  }
1007  return nodeid;
1008 }
1009 
1010 static int check_for_duplicate_nodeids(
1011  struct totem_config *totem_config,
1012  const char **error_string)
1013 {
1014  icmap_iter_t iter;
1015  icmap_iter_t subiter;
1016  const char *iter_key;
1017  int res = 0;
1018  int retval = 0;
1019  char tmp_key[ICMAP_KEYNAME_MAXLEN];
1020  char *ring0_addr=NULL;
1021  char *ring0_addr1=NULL;
1022  unsigned int node_pos;
1023  unsigned int node_pos1;
1024  unsigned int last_node_pos = -1;
1025  unsigned int nodeid;
1026  unsigned int nodeid1;
1027  int autogenerated;
1028 
1029  iter = icmap_iter_init("nodelist.node.");
1030  while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1031  res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, tmp_key);
1032  if (res != 2) {
1033  continue;
1034  }
1035 
1036  /*
1037  * This relies on the fact the icmap keys are always returned in order
1038  * so all of the keys for a node will be grouped together. We're basically
1039  * just running the code below once for each node.
1040  */
1041  if (last_node_pos == node_pos) {
1042  continue;
1043  }
1044  last_node_pos = node_pos;
1045 
1046  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
1047  autogenerated = 0;
1048 
1049  /* Generated nodeids are only allowed for UDP/UDPU so ring0_addr is valid here */
1050  if (icmap_get_uint32(tmp_key, &nodeid) != CS_OK) {
1051 
1052  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos);
1053  if (icmap_get_string(tmp_key, &ring0_addr) != CS_OK) {
1054  continue;
1055  }
1056 
1057  /* Generate nodeid so we can check that auto-generated nodeids don't clash either */
1058  nodeid = generate_nodeid(totem_config, ring0_addr);
1059  if (nodeid == -1) {
1060  continue;
1061  }
1062  autogenerated = 1;
1063  }
1064 
1065  node_pos1 = 0;
1066  subiter = icmap_iter_init("nodelist.node.");
1067  while (((iter_key = icmap_iter_next(subiter, NULL, NULL)) != NULL) && (node_pos1 < node_pos)) {
1068  res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos1, tmp_key);
1069  if ((res != 2) || (node_pos1 >= node_pos)) {
1070  continue;
1071  }
1072 
1073  if (strcmp(tmp_key, "nodeid") != 0) {
1074  continue;
1075  }
1076 
1077  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos1);
1078  if (icmap_get_uint32(tmp_key, &nodeid1) != CS_OK) {
1079 
1080  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos1);
1081  if (icmap_get_string(tmp_key, &ring0_addr1) != CS_OK) {
1082  continue;
1083  }
1084  nodeid1 = generate_nodeid(totem_config, ring0_addr1);
1085  if (nodeid1 == -1) {
1086  continue;
1087  }
1088  }
1089 
1090  if (nodeid == nodeid1) {
1091  retval = -1;
1092  snprintf (error_string_response, sizeof(error_string_response),
1093  "Nodeid %u%s%s%s appears twice in corosync.conf", nodeid,
1094  autogenerated?"(autogenerated from ":"",
1095  autogenerated?ring0_addr:"",
1096  autogenerated?")":"");
1097  *error_string = error_string_response;
1098  break;
1099  }
1100  }
1101  icmap_iter_finalize(subiter);
1102  }
1103  icmap_iter_finalize(iter);
1104  return retval;
1105 }
1106 
1107 
1108 /*
1109  * This needs to be done last of all. It would be nice to do it when reading the
1110  * interface params, but the totem params need to have them to be read first. We
1111  * need both, so this is a way round that circular dependancy.
1112  */
1113 static void calc_knet_ping_timers(struct totem_config *totem_config)
1114 {
1115  char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
1116  int interface;
1117 
1118  for (interface = 0; interface < INTERFACE_MAX; interface++) {
1119 
1120  if (totem_config->interfaces[interface].configured) {
1121  if (!totem_config->interfaces[interface].knet_pong_count) {
1123  }
1124  if (!totem_config->interfaces[interface].knet_ping_timeout) {
1127  }
1128  snprintf(runtime_key_name, sizeof(runtime_key_name),
1129  "runtime.config.totem.interface.%d.knet_ping_timeout", interface);
1130  icmap_set_uint32(runtime_key_name, totem_config->interfaces[interface].knet_ping_timeout);
1131 
1132  if (!totem_config->interfaces[interface].knet_ping_interval) {
1135  }
1136  snprintf(runtime_key_name, sizeof(runtime_key_name),
1137  "runtime.config.totem.interface.%d.knet_ping_interval", interface);
1138  icmap_set_uint32(runtime_key_name, totem_config->interfaces[interface].knet_ping_interval);
1139  }
1140  }
1141 }
1142 
1143 /*
1144  * Compute difference between two set of totem interface arrays and commit it.
1145  * set1 and set2
1146  * are changed so for same ring, ip existing in both set1 and set2 are cleared
1147  * (set to 0), and ips which are only in set1 or set2 remains untouched.
1148  * totempg_node_add/remove is called.
1149  */
1150 static void compute_and_set_totempg_interfaces(struct totem_interface *set1,
1151  struct totem_interface *set2)
1152 {
1153  int ring_no, set1_pos, set2_pos;
1154  struct totem_ip_address empty_ip_address;
1155 
1156  memset(&empty_ip_address, 0, sizeof(empty_ip_address));
1157 
1158  for (ring_no = 0; ring_no < INTERFACE_MAX; ring_no++) {
1159  if (!set1[ring_no].configured && !set2[ring_no].configured) {
1160  continue;
1161  }
1162 
1163  for (set1_pos = 0; set1_pos < set1[ring_no].member_count; set1_pos++) {
1164  for (set2_pos = 0; set2_pos < set2[ring_no].member_count; set2_pos++) {
1165  /*
1166  * For current ring_no remove all set1 items existing
1167  * in set2
1168  */
1169  if (memcmp(&set1[ring_no].member_list[set1_pos],
1170  &set2[ring_no].member_list[set2_pos],
1171  sizeof(struct totem_ip_address)) == 0) {
1172  memset(&set1[ring_no].member_list[set1_pos], 0,
1173  sizeof(struct totem_ip_address));
1174  memset(&set2[ring_no].member_list[set2_pos], 0,
1175  sizeof(struct totem_ip_address));
1176  }
1177  }
1178  }
1179  }
1180 
1181  for (ring_no = 0; ring_no < INTERFACE_MAX; ring_no++) {
1182  for (set1_pos = 0; set1_pos < set1[ring_no].member_count; set1_pos++) {
1183  /*
1184  * All items which remain in set1 and don't exist in set2 any more
1185  * have to be removed.
1186  */
1187  if (memcmp(&set1[ring_no].member_list[set1_pos], &empty_ip_address, sizeof(empty_ip_address)) != 0) {
1189  "removing dynamic member %s for ring %u",
1190  totemip_print(&set1[ring_no].member_list[set1_pos]),
1191  ring_no);
1192 
1193  totempg_member_remove(&set1[ring_no].member_list[set1_pos], ring_no);
1194  }
1195  }
1196  if (!set2[ring_no].configured) {
1197  continue;
1198  }
1199  for (set2_pos = 0; set2_pos < set2[ring_no].member_count; set2_pos++) {
1200  /*
1201  * All items which remain in set2 and don't exist in set1 are new nodes
1202  * and have to be added.
1203  */
1204  if (memcmp(&set2[ring_no].member_list[set2_pos], &empty_ip_address, sizeof(empty_ip_address)) != 0) {
1206  "adding dynamic member %s for ring %u",
1207  totemip_print(&set2[ring_no].member_list[set2_pos]),
1208  ring_no);
1209 
1210  totempg_member_add(&set2[ring_no].member_list[set2_pos], ring_no);
1211  }
1212  }
1213  }
1214 }
1215 
1216 /*
1217  * Configure parameters for links
1218  */
1219 static void configure_link_params(struct totem_config *totem_config, icmap_map_t map)
1220 {
1221  int i;
1222  char tmp_key[ICMAP_KEYNAME_MAXLEN];
1223  char *addr_string;
1224  int err;
1225  int local_node_pos = find_local_node(map, 0);
1226 
1227  for (i = 0; i<INTERFACE_MAX; i++) {
1228  if (!totem_config->interfaces[i].configured) {
1229  continue;
1230  }
1231 
1232  log_printf(LOGSYS_LEVEL_DEBUG, "Configuring link %d params\n", i);
1233 
1234  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring%u_addr", local_node_pos, i);
1235  if (icmap_get_string_r(map, tmp_key, &addr_string) != CS_OK) {
1236  continue;
1237  }
1238 
1240  if (err != 0) {
1241  continue;
1242  }
1244 
1245  /* In case this is a new link, fill in the defaults if there was no interface{} section for it */
1248 
1249  /* knet_ping_interval & knet_ping_timeout are set later once we know all the other params */
1255  totem_config->interfaces[i].knet_transport = KNET_TRANSPORT_UDP;
1256  if (!totem_config->interfaces[i].ip_port)
1258  }
1259 }
1260 
1261 
1262 static void configure_totem_links(struct totem_config *totem_config, icmap_map_t map)
1263 {
1264  int i;
1265 
1266  for (i = 0; i<INTERFACE_MAX; i++) {
1267  if (!totem_config->interfaces[i].configured) {
1268  continue;
1269  }
1270 
1271  log_printf(LOGSYS_LEVEL_INFO, "Configuring link %d\n", i);
1272 
1274  }
1275 }
1276 
1277 /* Check for differences in config that can't be done on-the-fly and print an error */
1278 static int check_things_have_not_changed(struct totem_config *totem_config, const char **error_string)
1279 {
1280  int i,j,k;
1281  const char *ip_str;
1282  char addr_buf[INET6_ADDRSTRLEN];
1283  int changed = 0;
1284 
1285  for (i = 0; i<INTERFACE_MAX; i++) {
1291  "New config has different knet transport for link %d. Internal value was NOT changed.\n", i);
1292  changed = 1;
1293  }
1294 
1295  /* Check each nodeid in the new configuration and make sure its IP address on this link has not changed */
1296  for (j=0; j < totem_config->interfaces[i].member_count; j++) {
1297  for (k=0; k < totem_config->orig_interfaces[i].member_count; k++) {
1298 
1301 
1302  /* Found our nodeid - check the IP address */
1303  if (memcmp(&totem_config->interfaces[i].member_list[j],
1305  sizeof(struct totem_ip_address))) {
1306 
1308 
1309  /* if ip_str is NULL then the old address was invalid and is allowed to change */
1310  if (ip_str) {
1311  strncpy(addr_buf, ip_str, sizeof(addr_buf));
1312  addr_buf[sizeof(addr_buf) - 1] = '\0';
1314  "new config has different address for link %d (addr changed from %s to %s). Internal value was NOT changed.\n",
1315  i, addr_buf, totemip_print(&totem_config->interfaces[i].member_list[j]));
1316  changed = 1;
1317  }
1318  }
1319  }
1320  }
1321  }
1322  }
1323  }
1324 
1325  if (changed) {
1326  snprintf (error_string_response, sizeof(error_string_response),
1327  "To reconfigure an interface it must be deleted and recreated. A working interface needs to be available to corosync at all times");
1328  *error_string = error_string_response;
1329  return -1;
1330  }
1331  return 0;
1332 }
1333 
1334 
1335 static int put_nodelist_members_to_config(struct totem_config *totem_config, icmap_map_t map,
1336  int reload, const char **error_string)
1337 {
1338  icmap_iter_t iter, iter2;
1339  const char *iter_key, *iter_key2;
1340  int res = 0;
1341  unsigned int node_pos;
1342  char tmp_key[ICMAP_KEYNAME_MAXLEN];
1343  char tmp_key2[ICMAP_KEYNAME_MAXLEN];
1344  char *node_addr_str;
1345  int member_count;
1346  unsigned int linknumber = 0;
1347  int i, j;
1348  int last_node_pos = -1;
1349 
1350  /* Clear out nodelist so we can put the new one in if needed */
1351  for (i = 0; i < INTERFACE_MAX; i++) {
1352  for (j = 0; j < PROCESSOR_COUNT_MAX; j++) {
1353  memset(&totem_config->interfaces[i].member_list[j], 0, sizeof(struct totem_ip_address));
1354  }
1356  }
1357 
1358  iter = icmap_iter_init_r(map, "nodelist.node.");
1359  while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1360  res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, tmp_key);
1361  if (res != 2) {
1362  continue;
1363  }
1364  /* If it's the same as the last node_pos then skip it */
1365  if (node_pos == last_node_pos) {
1366  continue;
1367  }
1368  last_node_pos = node_pos;
1369 
1370  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
1371  iter2 = icmap_iter_init_r(map, tmp_key);
1372  while ((iter_key2 = icmap_iter_next(iter2, NULL, NULL)) != NULL) {
1373  unsigned int nodeid;
1374  char *str;
1375 
1376  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
1377  if (icmap_get_uint32_r(map, tmp_key, &nodeid) != CS_OK) {
1378  nodeid = 0;
1379  }
1380 
1381  res = sscanf(iter_key2, "nodelist.node.%u.ring%u%s", &node_pos, &linknumber, tmp_key2);
1382  if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
1383  continue;
1384  }
1385  if (linknumber >= INTERFACE_MAX) {
1386  snprintf (error_string_response, sizeof(error_string_response),
1387  "parse error in config: interface ring number %u is bigger than allowed maximum %u\n",
1388  linknumber, INTERFACE_MAX - 1);
1389  *error_string = error_string_response;
1390 
1391  icmap_iter_finalize(iter2);
1392  icmap_iter_finalize(iter);
1393  return (-1);
1394  }
1395 
1396  if (icmap_get_string_r(map, iter_key2, &node_addr_str) != CS_OK) {
1397  continue;
1398  }
1399 
1400  /* Generate nodeids if they are not provided and transport is UDP/U */
1401  if (!nodeid &&
1404  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos);
1405  if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1406  nodeid = generate_nodeid(totem_config, str);
1407  if (nodeid == -1) {
1408  sprintf(error_string_response,
1409  "An IPV6 network requires that a node ID be specified "
1410  "for address '%s'.", node_addr_str);
1411  *error_string = error_string_response;
1412  free(str);
1413 
1414  return (-1);
1415  }
1416 
1418  "Generated nodeid = " CS_PRI_NODE_ID " for %s", nodeid, str);
1419 
1420  free(str);
1421  /*
1422  * Put nodeid back to nodelist to make cfgtool work
1423  */
1424  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
1425  /*
1426  * Not critical
1427  */
1428  (void)icmap_set_uint32_r(map, tmp_key, nodeid);
1429  }
1430  }
1431 
1433  sprintf(error_string_response,
1434  "Knet requires an explicit nodeid to be specified "
1435  "for address '%s'.", node_addr_str);
1436  *error_string = error_string_response;
1437 
1438  return (-1);
1439  }
1440 
1441  if (totem_config->transport_number == TOTEM_TRANSPORT_KNET && nodeid >= KNET_MAX_HOST) {
1442  sprintf(error_string_response,
1443  "Knet requires nodeid to be less than %u "
1444  "for address '%s'.", KNET_MAX_HOST, node_addr_str);
1445  *error_string = error_string_response;
1446 
1447  return (-1);
1448  }
1449 
1450  member_count = totem_config->interfaces[linknumber].member_count;
1451  res = totemip_parse(&totem_config->interfaces[linknumber].member_list[member_count],
1452  node_addr_str, totem_config->ip_version);
1453  if (res == 0) {
1454  totem_config->interfaces[linknumber].member_list[member_count].nodeid = nodeid;
1455  totem_config->interfaces[linknumber].member_count++;
1456  totem_config->interfaces[linknumber].configured = 1;
1457  } else {
1458  sprintf(error_string_response, "failed to parse node address '%s'\n", node_addr_str);
1459  *error_string = error_string_response;
1460 
1461  memset(&totem_config->interfaces[linknumber].member_list[member_count], 0,
1462  sizeof(struct totem_ip_address));
1463 
1464  free(node_addr_str);
1465  icmap_iter_finalize(iter2);
1466  icmap_iter_finalize(iter);
1467  return -1;
1468  }
1469 
1470  free(node_addr_str);
1471  }
1472 
1473  icmap_iter_finalize(iter2);
1474  }
1475 
1476  icmap_iter_finalize(iter);
1477 
1478  configure_link_params(totem_config, map);
1479  if (reload) {
1480  log_printf(LOGSYS_LEVEL_DEBUG, "About to reconfigure links from nodelist.\n");
1481 
1482  if (check_things_have_not_changed(totem_config, error_string) == -1) {
1483  return -1;
1484  }
1485  }
1486  return 0;
1487 }
1488 
1489 static void config_convert_nodelist_to_interface(icmap_map_t map, struct totem_config *totem_config)
1490 {
1491  int res = 0;
1492  int node_pos;
1493  char tmp_key[ICMAP_KEYNAME_MAXLEN];
1494  char tmp_key2[ICMAP_KEYNAME_MAXLEN];
1495  char *node_addr_str;
1496  unsigned int linknumber = 0;
1497  icmap_iter_t iter;
1498  const char *iter_key;
1499 
1500  node_pos = find_local_node(map, 1);
1501  if (node_pos > -1) {
1502  /*
1503  * We found node, so create interface section
1504  */
1505  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
1506  iter = icmap_iter_init_r(map, tmp_key);
1507  while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1508  res = sscanf(iter_key, "nodelist.node.%u.ring%u%s", &node_pos, &linknumber, tmp_key2);
1509  if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
1510  continue ;
1511  }
1512 
1513  if (icmap_get_string_r(map, iter_key, &node_addr_str) != CS_OK) {
1514  continue;
1515  }
1516 
1517  snprintf(tmp_key2, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", linknumber);
1518  icmap_set_string_r(map, tmp_key2, node_addr_str);
1519  free(node_addr_str);
1520  }
1521  icmap_iter_finalize(iter);
1522  }
1523 }
1524 
1525 static int get_interface_params(struct totem_config *totem_config, icmap_map_t map,
1526  const char **error_string, uint64_t *warnings,
1527  int reload)
1528 {
1529  int res = 0;
1530  unsigned int linknumber = 0;
1531  int member_count = 0;
1532  int i;
1533  icmap_iter_t iter, member_iter;
1534  const char *iter_key;
1535  const char *member_iter_key;
1536  char linknumber_key[ICMAP_KEYNAME_MAXLEN];
1537  char tmp_key[ICMAP_KEYNAME_MAXLEN];
1538  uint8_t u8;
1539  uint32_t u32;
1540  char *str;
1541  char *cluster_name = NULL;
1542  enum totem_ip_version_enum tmp_ip_version = TOTEM_IP_VERSION_4;
1543  int ret = 0;
1544 
1545  if (reload) {
1546  for (i=0; i<INTERFACE_MAX; i++) {
1547  /*
1548  * Set back to defaults things that might have been configured and
1549  * now have been taken out of corosync.conf. These won't be caught by the
1550  * code below which only looks at interface{} sections that actually exist.
1551  */
1557  }
1558  }
1559  if (icmap_get_string_r(map, "totem.cluster_name", &cluster_name) != CS_OK) {
1560  cluster_name = NULL;
1561  }
1562 
1563  iter = icmap_iter_init_r(map, "totem.interface.");
1564  while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
1565  res = sscanf(iter_key, "totem.interface.%[^.].%s", linknumber_key, tmp_key);
1566  if (res != 2) {
1567  continue;
1568  }
1569 
1570  if (strcmp(tmp_key, "bindnetaddr") != 0 && totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
1571  continue;
1572  }
1573 
1574  member_count = 0;
1575  linknumber = atoi(linknumber_key);
1576 
1577  if (linknumber >= INTERFACE_MAX) {
1578  snprintf (error_string_response, sizeof(error_string_response),
1579  "parse error in config: interface ring number %u is bigger than allowed maximum %u\n",
1580  linknumber, INTERFACE_MAX - 1);
1581 
1582  *error_string = error_string_response;
1583  ret = -1;
1584  goto out;
1585  }
1586 
1587  /* These things are only valid for the initial read */
1588  if (!reload) {
1589  /*
1590  * Get the bind net address
1591  */
1592  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", linknumber);
1593 
1594  if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1595  res = totemip_parse (&totem_config->interfaces[linknumber].bindnet, str,
1597 
1598  if (res) {
1599  sprintf(error_string_response, "failed to parse bindnet address '%s'\n", str);
1600  *error_string = error_string_response;
1601  free(str);
1602 
1603  ret = -1;
1604  goto out;
1605  }
1606 
1607  free(str);
1608  }
1609 
1610  /*
1611  * Get interface multicast address
1612  */
1613  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", linknumber);
1614  if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1615  res = totemip_parse (&totem_config->interfaces[linknumber].mcast_addr, str,
1617 
1618  if (res) {
1619  sprintf(error_string_response, "failed to parse mcast address '%s'\n", str);
1620  *error_string = error_string_response;
1621  free(str);
1622 
1623  ret = -1;
1624  goto out;
1625  }
1626 
1627  free(str);
1629  /*
1630  * User not specified address -> autogenerate one from cluster_name key
1631  * (if available). Return code is intentionally ignored, because
1632  * udpu doesn't need mcastaddr and validity of mcastaddr for udp is
1633  * checked later anyway.
1634  */
1635 
1636  if (totem_config->interfaces[0].bindnet.family == AF_INET) {
1637  tmp_ip_version = TOTEM_IP_VERSION_4;
1638  } else if (totem_config->interfaces[0].bindnet.family == AF_INET6) {
1639  tmp_ip_version = TOTEM_IP_VERSION_6;
1640  }
1641 
1642  (void)get_cluster_mcast_addr (cluster_name,
1643  linknumber,
1644  tmp_ip_version,
1645  &totem_config->interfaces[linknumber].mcast_addr);
1646  }
1647 
1648  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.broadcast", linknumber);
1649  if (icmap_get_string(tmp_key, &str) == CS_OK) {
1650  if (strcmp (str, "yes") == 0) {
1652  }
1653  free(str);
1654  }
1655  }
1656 
1657  /* These things are only valid for the initial read OR a newly-defined link */
1658  if (!reload || (totem_config->interfaces[linknumber].configured == 0)) {
1659 
1660  /*
1661  * Get mcast port
1662  */
1663  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", linknumber);
1664  if (icmap_get_uint16_r(map, tmp_key, &totem_config->interfaces[linknumber].ip_port) != CS_OK) {
1665  if (totem_config->broadcast_use) {
1666  totem_config->interfaces[linknumber].ip_port = DEFAULT_PORT + (2 * linknumber);
1667  } else {
1668  totem_config->interfaces[linknumber].ip_port = DEFAULT_PORT + linknumber;
1669  }
1670  }
1671 
1672  /*
1673  * Get the TTL
1674  */
1675  totem_config->interfaces[linknumber].ttl = 1;
1676 
1677  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.ttl", linknumber);
1678 
1679  if (icmap_get_uint8_r(map, tmp_key, &u8) == CS_OK) {
1680  totem_config->interfaces[linknumber].ttl = u8;
1681  }
1682 
1684  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_transport", linknumber);
1685  if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
1686  if (strcmp(str, "sctp") == 0) {
1687  totem_config->interfaces[linknumber].knet_transport = KNET_TRANSPORT_SCTP;
1688  }
1689  else if (strcmp(str, "udp") == 0) {
1690  totem_config->interfaces[linknumber].knet_transport = KNET_TRANSPORT_UDP;
1691  }
1692  else {
1693  *error_string = "Unrecognised knet_transport. expected 'udp' or 'sctp'";
1694  ret = -1;
1695  goto out;
1696  }
1697  }
1698  }
1699  totem_config->interfaces[linknumber].configured = 1;
1700 
1701  /*
1702  * Get the knet link params
1703  */
1704  totem_config->interfaces[linknumber].knet_link_priority = 1;
1705  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_link_priority", linknumber);
1706 
1707  if (icmap_get_uint8_r(map, tmp_key, &u8) == CS_OK) {
1708  totem_config->interfaces[linknumber].knet_link_priority = u8;
1709  }
1710 
1711  totem_config->interfaces[linknumber].knet_ping_interval = 0; /* real default applied later */
1712  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_interval", linknumber);
1713  if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1714  totem_config->interfaces[linknumber].knet_ping_interval = u32;
1715  }
1716  totem_config->interfaces[linknumber].knet_ping_timeout = 0; /* real default applied later */
1717  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_timeout", linknumber);
1718  if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1719  totem_config->interfaces[linknumber].knet_ping_timeout = u32;
1720  }
1722  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_precision", linknumber);
1723  if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1724  totem_config->interfaces[linknumber].knet_ping_precision = u32;
1725  }
1727  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_pong_count", linknumber);
1728  if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
1729  totem_config->interfaces[linknumber].knet_pong_count = u32;
1730  }
1731 
1732  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.member.", linknumber);
1733  member_iter = icmap_iter_init_r(map, tmp_key);
1734  while ((member_iter_key = icmap_iter_next(member_iter, NULL, NULL)) != NULL) {
1735  if (member_count == 0) {
1736  if (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK) {
1737  free(str);
1739  break;
1740  } else {
1742  }
1743  }
1744 
1745  if (icmap_get_string_r(map, member_iter_key, &str) == CS_OK) {
1746  res = totemip_parse (&totem_config->interfaces[linknumber].member_list[member_count++],
1747  str, totem_config->ip_version);
1748  if (res) {
1749  sprintf(error_string_response, "failed to parse node address '%s'\n", str);
1750  *error_string = error_string_response;
1751 
1752  icmap_iter_finalize(member_iter);
1753  free(str);
1754  ret = -1;
1755  goto out;
1756  }
1757 
1758  free(str);
1759  }
1760  }
1761  icmap_iter_finalize(member_iter);
1762 
1763  totem_config->interfaces[linknumber].member_count = member_count;
1764 
1765  }
1766 
1767 out:
1768  icmap_iter_finalize(iter);
1769  free(cluster_name);
1770 
1771  return (ret);
1772 }
1773 
1774 extern int totem_config_read (
1775  struct totem_config *totem_config,
1776  const char **error_string,
1777  uint64_t *warnings)
1778 {
1779  int res = 0;
1780  char *str, *ring0_addr_str;
1781  char tmp_key[ICMAP_KEYNAME_MAXLEN];
1782  uint16_t u16;
1783  int i;
1784  int local_node_pos;
1785  uint32_t u32;
1786 
1787  *warnings = 0;
1788 
1789  memset (totem_config, 0, sizeof (struct totem_config));
1790  totem_config->interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
1791  if (totem_config->interfaces == 0) {
1792  *error_string = "Out of memory trying to allocate ethernet interface storage area";
1793  return -1;
1794  }
1795 
1797  if (icmap_get_string("totem.transport", &str) == CS_OK) {
1798  if (strcmp (str, "udpu") == 0) {
1800  } else if (strcmp (str, "udp") == 0) {
1802  } else if (strcmp (str, "knet") == 0) {
1804  } else {
1805  *error_string = "Invalid transport type. Should be udpu, udp or knet";
1806  free(str);
1807  return -1;
1808  }
1809 
1810  free(str);
1811  }
1812 
1813  memset (totem_config->interfaces, 0,
1814  sizeof (struct totem_interface) * INTERFACE_MAX);
1815 
1816  strcpy (totem_config->link_mode, "passive");
1817 
1818  icmap_get_uint32("totem.version", (uint32_t *)&totem_config->version);
1819 
1820  /* initial crypto load */
1821  if (totem_get_crypto(totem_config, icmap_get_global_map(), error_string) != 0) {
1822  return -1;
1823  }
1824  if (totem_config_keyread(totem_config, icmap_get_global_map(), error_string) != 0) {
1825  return -1;
1826  }
1829 
1830  if (icmap_get_string("totem.link_mode", &str) == CS_OK) {
1831  if (strlen(str) >= TOTEM_LINK_MODE_BYTES) {
1832  *error_string = "totem.link_mode is too long";
1833  free(str);
1834 
1835  return -1;
1836  }
1837  strcpy (totem_config->link_mode, str);
1838  free(str);
1839  }
1840 
1841  if (icmap_get_uint32("totem.nodeid", &u32) == CS_OK) {
1843  }
1844 
1846  if (icmap_get_string("totem.clear_node_high_bit", &str) == CS_OK) {
1847  if (strcmp (str, "yes") == 0) {
1849  }
1850  free(str);
1851  }
1852 
1853  icmap_get_uint32("totem.threads", &totem_config->threads);
1854 
1855  icmap_get_uint32("totem.netmtu", &totem_config->net_mtu);
1856 
1857  totem_config->ip_version = totem_config_get_ip_version(totem_config);
1858 
1859  if (icmap_get_string("totem.interface.0.bindnetaddr", &str) != CS_OK) {
1860  /*
1861  * We were not able to find ring 0 bindnet addr. Try to use nodelist informations
1862  */
1863  config_convert_nodelist_to_interface(icmap_get_global_map(), totem_config);
1864  } else {
1865  if (icmap_get_string("nodelist.node.0.ring0_addr", &ring0_addr_str) == CS_OK) {
1866  /*
1867  * Both bindnetaddr and ring0_addr are set.
1868  * Log warning information, and use nodelist instead
1869  */
1871 
1872  config_convert_nodelist_to_interface(icmap_get_global_map(), totem_config);
1873 
1874  free(ring0_addr_str);
1875  }
1876 
1877  free(str);
1878  }
1879 
1880  /*
1881  * Broadcast option is global but set in interface section,
1882  * so reset before processing interfaces.
1883  */
1885 
1886  res = get_interface_params(totem_config, icmap_get_global_map(), error_string, warnings, 0);
1887  if (res < 0) {
1888  return res;
1889  }
1890 
1891  /*
1892  * Use broadcast is global, so if set, make sure to fill mcast addr correctly
1893  * broadcast is only supported for UDP so just do interface 0;
1894  */
1895  if (totem_config->broadcast_use) {
1897  "255.255.255.255", TOTEM_IP_VERSION_4);
1898  }
1899 
1900 
1901  /*
1902  * Store automatically generated items back to icmap only for UDP
1903  */
1905  for (i = 0; i < INTERFACE_MAX; i++) {
1906  if (!totem_config->interfaces[i].configured) {
1907  continue;
1908  }
1909  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", i);
1910  if (icmap_get_string(tmp_key, &str) == CS_OK) {
1911  free(str);
1912  } else {
1913  str = (char *)totemip_print(&totem_config->interfaces[i].mcast_addr);
1914  icmap_set_string(tmp_key, str);
1915  }
1916 
1917  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", i);
1918  if (icmap_get_uint16(tmp_key, &u16) != CS_OK) {
1920  }
1921  }
1922  }
1923 
1924  /*
1925  * Check existence of nodelist
1926  */
1927  if ((icmap_get_string("nodelist.node.0.name", &str) == CS_OK) ||
1928  (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK)) {
1929  free(str);
1930  /*
1931  * find local node
1932  */
1933  local_node_pos = find_local_node(icmap_get_global_map(), 1);
1934  if (local_node_pos != -1) {
1935 
1936  assert(totem_config->node_id == 0);
1937 
1938  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", local_node_pos);
1939  (void)icmap_get_uint32(tmp_key, &totem_config->node_id);
1940 
1941 
1943  *error_string = "Knet requires an explicit nodeid for the local node";
1944  return -1;
1945  }
1946 
1949 
1950  snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", local_node_pos);
1951  icmap_get_string(tmp_key, &str);
1952 
1953  totem_config->node_id = generate_nodeid(totem_config, str);
1954  if (totem_config->node_id == -1) {
1955  *error_string = "An IPV6 network requires that a node ID be specified";
1956 
1957  free(str);
1958  return (-1);
1959  }
1960 
1962 
1963  free(str);
1964  }
1965 
1966  /* Users must not change this */
1967  icmap_set_ro_access("nodelist.local_node_pos", 0, 1);
1968  }
1969 
1970  if (put_nodelist_members_to_config(totem_config, icmap_get_global_map(), 0, error_string)) {
1971  return -1;
1972  }
1973  }
1974 
1975  /*
1976  * Get things that might change in the future (and can depend on totem_config->interfaces);
1977  */
1979 
1980  calc_knet_ping_timers(totem_config);
1981 
1982  /* This is now done in the totemknet interface callback */
1983  /* configure_totem_links(totem_config, icmap_get_global_map()); */
1984 
1985  add_totem_config_notification(totem_config);
1986 
1987  return 0;
1988 }
1989 
1990 
1992  struct totem_config *totem_config,
1993  const char **error_string)
1994 {
1995  static char local_error_reason[512];
1996  char parse_error[512];
1997  const char *error_reason = local_error_reason;
1998  int i;
1999  uint32_t u32;
2000  int num_configured = 0;
2001  unsigned int interface_max = INTERFACE_MAX;
2002 
2003  for (i = 0; i < INTERFACE_MAX; i++) {
2005  num_configured++;
2006  }
2007  }
2008  if (num_configured == 0) {
2009  error_reason = "No interfaces defined";
2010  goto parse_error;
2011  }
2012 
2013  /* Check we found a local node name */
2014  if (icmap_get_uint32("nodelist.local_node_pos", &u32) != CS_OK) {
2015  error_reason = "No valid name found for local host";
2016  goto parse_error;
2017  }
2018 
2019  for (i = 0; i < INTERFACE_MAX; i++) {
2020  /*
2021  * Some error checking of parsed data to make sure its valid
2022  */
2023 
2024  struct totem_ip_address null_addr;
2025 
2026  if (!totem_config->interfaces[i].configured) {
2027  continue;
2028  }
2029 
2030  memset (&null_addr, 0, sizeof (struct totem_ip_address));
2031 
2033  memcmp (&totem_config->interfaces[i].mcast_addr, &null_addr,
2034  sizeof (struct totem_ip_address)) == 0) {
2035  snprintf (local_error_reason, sizeof(local_error_reason),
2036  "No multicast address specified for interface %u", i);
2037  goto parse_error;
2038  }
2039 
2040  if (totem_config->interfaces[i].ip_port == 0) {
2041  snprintf (local_error_reason, sizeof(local_error_reason),
2042  "No multicast port specified for interface %u", i);
2043  goto parse_error;
2044  }
2045 
2046  if (totem_config->interfaces[i].ttl > 255) {
2047  snprintf (local_error_reason, sizeof(local_error_reason),
2048  "Invalid TTL (should be 0..255) for interface %u", i);
2049  goto parse_error;
2050  }
2052  totem_config->interfaces[i].ttl != 1) {
2053  snprintf (local_error_reason, sizeof(local_error_reason),
2054  "Can only set ttl on multicast transport types for interface %u", i);
2055  goto parse_error;
2056  }
2057  if (totem_config->interfaces[i].knet_link_priority > 255) {
2058  snprintf (local_error_reason, sizeof(local_error_reason),
2059  "Invalid link priority (should be 0..255) for interface %u", i);
2060  goto parse_error;
2061  }
2064  snprintf (local_error_reason, sizeof(local_error_reason),
2065  "Can only set link priority on knet transport type for interface %u", i);
2066  goto parse_error;
2067  }
2068 
2069  if (totem_config->interfaces[i].mcast_addr.family == AF_INET6 &&
2070  totem_config->node_id == 0) {
2071  snprintf (local_error_reason, sizeof(local_error_reason),
2072  "An IPV6 network requires that a node ID be specified for interface %u", i);
2073  goto parse_error;
2074  }
2075 
2078  snprintf (local_error_reason, sizeof(local_error_reason),
2079  "Multicast address family does not match bind address family for interface %u", i);
2080  goto parse_error;
2081  }
2082 
2084  snprintf (local_error_reason, sizeof(local_error_reason),
2085  "mcastaddr is not a correct multicast address for interface %u", i);
2086  goto parse_error;
2087  }
2088  }
2089  }
2090 
2091  if (totem_config->version != 2) {
2092  error_reason = "This totem parser can only parse version 2 configurations.";
2093  goto parse_error;
2094  }
2095 
2097  return (-1);
2098  }
2099 
2100  if (check_for_duplicate_nodeids(totem_config, error_string) == -1) {
2101  return (-1);
2102  }
2103 
2104  /*
2105  * KNET Link values validation
2106  */
2107  if (strcmp (totem_config->link_mode, "active") &&
2108  strcmp (totem_config->link_mode, "rr") &&
2109  strcmp (totem_config->link_mode, "passive")) {
2110  snprintf (local_error_reason, sizeof(local_error_reason),
2111  "The Knet link mode \"%s\" specified is invalid. It must be active, passive or rr.\n", totem_config->link_mode);
2112  goto parse_error;
2113  }
2114 
2115  /* Only Knet does multiple interfaces */
2117  interface_max = 1;
2118  }
2119 
2120  if (interface_max < num_configured) {
2121  snprintf (parse_error, sizeof(parse_error),
2122  "%d is too many configured interfaces for non-Knet transport.",
2123  num_configured);
2124  error_reason = parse_error;
2125  goto parse_error;
2126  }
2127 
2128  /* Only knet allows crypto */
2130  if ((strcmp(totem_config->crypto_cipher_type, "none") != 0) ||
2131  (strcmp(totem_config->crypto_hash_type, "none") != 0)) {
2132 
2133  snprintf (parse_error, sizeof(parse_error),
2134  "crypto_cipher & crypto_hash are only valid for the Knet transport.");
2135  error_reason = parse_error;
2136  goto parse_error;
2137  }
2138  }
2139 
2140  if (totem_config->net_mtu == 0) {
2142  totem_config->net_mtu = KNET_MAX_PACKET_SIZE;
2143  }
2144  else {
2146  }
2147  }
2148 
2149  return 0;
2150 
2151 parse_error:
2152  snprintf (error_string_response, sizeof(error_string_response),
2153  "parse error in config: %s\n", error_reason);
2154  *error_string = error_string_response;
2155  return (-1);
2156 
2157 }
2158 
2159 static int read_keyfile (
2160  const char *key_location,
2161  struct totem_config *totem_config,
2162  const char **error_string)
2163 {
2164  int fd;
2165  int res;
2166  int saved_errno;
2167  char error_str[100];
2168  const char *error_ptr;
2169 
2170  fd = open (key_location, O_RDONLY);
2171  if (fd == -1) {
2172  error_ptr = qb_strerror_r(errno, error_str, sizeof(error_str));
2173  snprintf (error_string_response, sizeof(error_string_response),
2174  "Could not open %s: %s\n",
2175  key_location, error_ptr);
2176  goto parse_error;
2177  }
2178 
2180  saved_errno = errno;
2181  close (fd);
2182 
2183  if (res == -1) {
2184  error_ptr = qb_strerror_r (saved_errno, error_str, sizeof(error_str));
2185  snprintf (error_string_response, sizeof(error_string_response),
2186  "Could not read %s: %s\n",
2187  key_location, error_ptr);
2188  goto parse_error;
2189  }
2190 
2191  if (res < TOTEM_PRIVATE_KEY_LEN_MIN) {
2192  snprintf (error_string_response, sizeof(error_string_response),
2193  "Could only read %d bits of minimum %u bits from %s.\n",
2194  res * 8, TOTEM_PRIVATE_KEY_LEN_MIN * 8, key_location);
2195  goto parse_error;
2196  }
2197 
2199 
2200  return 0;
2201 
2202 parse_error:
2203  *error_string = error_string_response;
2204  return (-1);
2205 }
2206 
2208  struct totem_config *totem_config,
2209  icmap_map_t map,
2210  const char **error_string)
2211 {
2212  int got_key = 0;
2213  char *key_location = NULL;
2214  int res;
2215  size_t key_len;
2216  char old_key[TOTEM_PRIVATE_KEY_LEN_MAX];
2217  size_t old_key_len;
2218 
2219  /* Take a copy so we can see if it has changed */
2220  memcpy(old_key, totem_config->private_key, sizeof(totem_config->private_key));
2221  old_key_len = totem_config->private_key_len;
2222 
2223  memset (totem_config->private_key, 0, sizeof(totem_config->private_key));
2225 
2226  if (strcmp(totem_config->crypto_cipher_type, "none") == 0 &&
2227  strcmp(totem_config->crypto_hash_type, "none") == 0) {
2228  return (0);
2229  }
2230 
2231  /* cmap may store the location of the key file */
2232  if (icmap_get_string_r(map, "totem.keyfile", &key_location) == CS_OK) {
2233  res = read_keyfile(key_location, totem_config, error_string);
2234  free(key_location);
2235  if (res) {
2236  goto key_error;
2237  }
2238  got_key = 1;
2239  } else { /* Or the key itself may be in the cmap */
2240  if (icmap_get_r(map, "totem.key", NULL, &key_len, NULL) == CS_OK) {
2241  if (key_len > sizeof(totem_config->private_key)) {
2242  sprintf(error_string_response, "key is too long");
2243  goto key_error;
2244  }
2245  if (key_len < TOTEM_PRIVATE_KEY_LEN_MIN) {
2246  sprintf(error_string_response, "key is too short");
2247  goto key_error;
2248  }
2249  if (icmap_get_r(map, "totem.key", totem_config->private_key, &key_len, NULL) == CS_OK) {
2250  totem_config->private_key_len = key_len;
2251  got_key = 1;
2252  } else {
2253  sprintf(error_string_response, "can't load private key");
2254  goto key_error;
2255  }
2256  }
2257  }
2258 
2259  /* In desperation we read the default filename */
2260  if (!got_key) {
2261  res = read_keyfile(COROSYSCONFDIR "/authkey", totem_config, error_string);
2262  if (res)
2263  goto key_error;
2264  }
2265 
2266  if (old_key_len != totem_config->private_key_len ||
2267  memcmp(old_key, totem_config->private_key, sizeof(totem_config->private_key))) {
2269  }
2270 
2271  return (0);
2272 
2273 key_error:
2274  *error_string = error_string_response;
2275  return (-1);
2276 
2277 }
2278 
2279 int totem_reread_crypto_config(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
2280 {
2281  if (totem_get_crypto(totem_config, map, error_string) != 0) {
2282  return -1;
2283  }
2284  if (totem_config_keyread(totem_config, map, error_string) != 0) {
2285  return -1;
2286  }
2287  return 0;
2288 }
2289 
2290 static void debug_dump_totem_config(const struct totem_config *totem_config)
2291 {
2292 
2293  log_printf(LOGSYS_LEVEL_DEBUG, "Token Timeout (%d ms) retransmit timeout (%d ms)",
2295  if (totem_config->token_warning) {
2296  uint32_t token_warning_ms = totem_config->token_warning * totem_config->token_timeout / 100;
2297  log_printf(LOGSYS_LEVEL_DEBUG, "Token warning every %d ms (%d%% of Token Timeout)",
2298  token_warning_ms, totem_config->token_warning);
2299  if (token_warning_ms < totem_config->token_retransmit_timeout)
2301  "The token warning interval (%d ms) is less than the token retransmit timeout (%d ms) "
2302  "which can lead to spurious token warnings. Consider increasing the token_warning parameter.",
2303  token_warning_ms, totem_config->token_retransmit_timeout);
2304 
2305  } else
2306  log_printf(LOGSYS_LEVEL_DEBUG, "Token warnings disabled");
2307  log_printf(LOGSYS_LEVEL_DEBUG, "token hold (%d ms) retransmits before loss (%d retrans)",
2309  log_printf(LOGSYS_LEVEL_DEBUG, "join (%d ms) send_join (%d ms) consensus (%d ms) merge (%d ms)",
2312  log_printf(LOGSYS_LEVEL_DEBUG, "downcheck (%d ms) fail to recv const (%d msgs)",
2315  "seqno unchanged const (%d rotations) Maximum network MTU %d",
2318  "window size per rotation (%d messages) maximum messages per rotation (%d messages)",
2320  log_printf(LOGSYS_LEVEL_DEBUG, "missed count const (%d messages)", totem_config->miss_count_const);
2321  log_printf(LOGSYS_LEVEL_DEBUG, "heartbeat_failures_allowed (%d)",
2323  log_printf(LOGSYS_LEVEL_DEBUG, "max_network_delay (%d ms)", totem_config->max_network_delay);
2324 }
2325 
2326 
2327 static void totem_change_notify(
2328  int32_t event,
2329  const char *key_name,
2330  struct icmap_notify_value new_val,
2331  struct icmap_notify_value old_val,
2332  void *user_data)
2333 {
2334  struct totem_config *totem_config = (struct totem_config *)user_data;
2335  uint32_t *param;
2336  uint8_t reloading;
2337  const char *deleted_key = NULL;
2338  const char *error_string;
2339 
2340  /*
2341  * If a full reload is in progress then don't do anything until it's done and
2342  * can reconfigure it all atomically
2343  */
2344  if (icmap_get_uint8("config.reload_in_progress", &reloading) == CS_OK && reloading)
2345  return;
2346 
2347  param = totem_get_param_by_name((struct totem_config *)user_data, key_name);
2348  /*
2349  * Process change only if changed key is found in totem_config (-> param is not NULL)
2350  * or for special key token_coefficient. token_coefficient key is not stored in
2351  * totem_config, but it is used for computation of token timeout.
2352  */
2353  if (!param && strcmp(key_name, "totem.token_coefficient") != 0)
2354  return;
2355 
2356  /*
2357  * Values other than UINT32 are not supported, or needed (yet)
2358  */
2359  switch (event) {
2360  case ICMAP_TRACK_DELETE:
2361  deleted_key = key_name;
2362  break;
2363  case ICMAP_TRACK_ADD:
2364  case ICMAP_TRACK_MODIFY:
2365  deleted_key = NULL;
2366  break;
2367  default:
2368  break;
2369  }
2370 
2372  log_printf(LOGSYS_LEVEL_DEBUG, "Totem related config key changed. Dumping actual totem config.");
2373  debug_dump_totem_config(totem_config);
2374  if (totem_volatile_config_validate(totem_config, icmap_get_global_map(), &error_string) == -1) {
2375  log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
2376  /*
2377  * TODO: Consider corosync exit and/or load defaults for volatile
2378  * values. For now, log error seems to be enough
2379  */
2380  }
2381 }
2382 
2383 
2385  struct totem_config *totem_config,
2386  icmap_map_t map,
2387  const char **error_string)
2388 {
2389  uint64_t warnings = 0LL;
2390 
2391  get_interface_params(totem_config, map, error_string, &warnings, 1);
2392  if (put_nodelist_members_to_config (totem_config, map, 1, error_string)) {
2393  return -1;
2394  }
2395 
2396  calc_knet_ping_timers(totem_config);
2397 
2398  log_printf(LOGSYS_LEVEL_DEBUG, "Configuration reloaded. Dumping actual totem config.");
2399  debug_dump_totem_config(totem_config);
2400 
2401  /* Reinstate the local_node_pos */
2402  (void)find_local_node(map, 0);
2403 
2404  return 0;
2405 }
2406 
2408  struct totem_config *totem_config,
2409  icmap_map_t map)
2410 {
2411  struct totem_interface *new_interfaces = NULL;
2412 
2413  new_interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
2414  assert(new_interfaces != NULL);
2415  memcpy(new_interfaces, totem_config->interfaces, sizeof (struct totem_interface) * INTERFACE_MAX);
2416 
2417  /* Set link parameters including local_ip */
2418  configure_totem_links(totem_config, map);
2419 
2420  /* Add & remove nodes */
2421  compute_and_set_totempg_interfaces(totem_config->orig_interfaces, new_interfaces);
2422 
2423  /* Does basic global params (like compression) */
2425 
2426  free(new_interfaces);
2427 }
2428 
2429 static void add_totem_config_notification(struct totem_config *totem_config)
2430 {
2432 
2433  icmap_track_add("totem.",
2435  totem_change_notify,
2436  totem_config,
2437  &icmap_track);
2438 }
#define COROSYSCONFDIR
Definition: config.h:8
#define INTERFACE_MAX
Definition: coroapi.h:88
unsigned int nodeid
Definition: coroapi.h:0
unsigned char addr[TOTEMIP_ADDRLEN]
Definition: coroapi.h:2
#define PROCESSOR_COUNT_MAX
Definition: coroapi.h:96
#define CS_PRI_NODE_ID
Definition: corotypes.h:59
@ CS_OK
Definition: corotypes.h:99
uint8_t param
uint32_t value
icmap_iter_t icmap_iter_init_r(const icmap_map_t map, const char *prefix)
icmap_iter_init_r
Definition: icmap.c:1084
cs_error_t icmap_get_uint8(const char *key_name, uint8_t *u8)
Definition: icmap.c:868
#define ICMAP_TRACK_MODIFY
Definition: icmap.h:78
cs_error_t icmap_get_string_r(const icmap_map_t map, const char *key_name, char **str)
Definition: icmap.c:735
cs_error_t icmap_get_uint16(const char *key_name, uint16_t *u16)
Definition: icmap.c:880
cs_error_t icmap_get_uint32(const char *key_name, uint32_t *u32)
Definition: icmap.c:892
cs_error_t icmap_set_ro_access(const char *key_name, int prefix, int ro_access)
Set read-only access for given key (key_name) or prefix, If prefix is set.
Definition: icmap.c:1225
cs_error_t icmap_set_uint32_r(const icmap_map_t map, const char *key_name, uint32_t value)
Definition: icmap.c:527
cs_error_t icmap_get_uint8_r(const icmap_map_t map, const char *key_name, uint8_t *u8)
Definition: icmap.c:802
#define ICMAP_TRACK_DELETE
Definition: icmap.h:77
cs_error_t icmap_set_uint16(const char *key_name, uint16_t value)
Definition: icmap.c:585
cs_error_t icmap_track_add(const char *key_name, int32_t track_type, icmap_notify_fn_t notify_fn, void *user_data, icmap_track_t *icmap_track)
Add tracking function for given key_name.
Definition: icmap.c:1159
cs_error_t icmap_set_string(const char *key_name, const char *value)
Definition: icmap.c:627
#define ICMAP_TRACK_PREFIX
Whole prefix is tracked, instead of key only (so "totem." tracking means that "totem....
Definition: icmap.h:85
icmap_iter_t icmap_iter_init(const char *prefix)
Initialize iterator with given prefix.
Definition: icmap.c:1089
cs_error_t icmap_get_uint16_r(const icmap_map_t map, const char *key_name, uint16_t *u16)
Definition: icmap.c:814
cs_error_t icmap_set_int32_r(const icmap_map_t map, const char *key_name, int32_t value)
Definition: icmap.c:521
const char * icmap_iter_next(icmap_iter_t iter, size_t *value_len, icmap_value_types_t *type)
Return next item in iterator iter.
Definition: icmap.c:1095
icmap_map_t icmap_get_global_map(void)
Return global icmap.
Definition: icmap.c:264
qb_map_iter_t * icmap_iter_t
Itterator type.
Definition: icmap.h:123
cs_error_t icmap_set_string_r(const icmap_map_t map, const char *key_name, const char *value)
Definition: icmap.c:557
void icmap_iter_finalize(icmap_iter_t iter)
Finalize iterator.
Definition: icmap.c:1116
cs_error_t icmap_get_int32_r(const icmap_map_t map, const char *key_name, int32_t *i32)
Definition: icmap.c:820
cs_error_t icmap_get_r(const icmap_map_t map, const char *key_name, void *value, size_t *value_len, icmap_value_types_t *type)
Same as icmap_get but it's reentrant and operates on given icmap_map.
Definition: icmap.c:692
#define ICMAP_KEYNAME_MAXLEN
Maximum length of key in icmap.
Definition: icmap.h:48
cs_error_t icmap_get_uint32_r(const icmap_map_t map, const char *key_name, uint32_t *u32)
Definition: icmap.c:826
cs_error_t icmap_set_uint32(const char *key_name, uint32_t value)
Definition: icmap.c:597
#define ICMAP_TRACK_ADD
Definition: icmap.h:76
cs_error_t icmap_get_string(const char *key_name, char **str)
Shortcut for icmap_get for string type.
Definition: icmap.c:856
#define LOGSYS_LEVEL_ERROR
Definition: logsys.h:72
#define log_printf(level, format, args...)
Definition: logsys.h:323
#define LOGSYS_LEVEL_INFO
Definition: logsys.h:75
#define LOGSYS_LEVEL_DEBUG
Definition: logsys.h:76
void * user_data
Definition: sam.c:127
Structure passed as new_value and old_value in change callback.
Definition: icmap.h:91
char crypto_model[CONFIG_STRING_LEN_MAX]
Definition: totem.h:223
unsigned int max_messages
Definition: totem.h:219
unsigned int heartbeat_failures_allowed
Definition: totem.h:213
unsigned int token_timeout
Definition: totem.h:181
unsigned int private_key_len
Definition: totem.h:176
unsigned int node_id
Definition: totem.h:167
unsigned int broadcast_use
Definition: totem.h:221
uint32_t knet_compression_threshold
Definition: totem.h:235
unsigned int window_size
Definition: totem.h:217
unsigned int downcheck_timeout
Definition: totem.h:199
unsigned int miss_count_const
Definition: totem.h:241
totem_transport_t transport_number
Definition: totem.h:239
struct totem_interface * interfaces
Definition: totem.h:165
int crypto_changed
Definition: totem.h:231
unsigned int fail_to_recv_const
Definition: totem.h:201
unsigned int clear_node_high_bit
Definition: totem.h:168
unsigned int merge_timeout
Definition: totem.h:197
struct totem_interface * orig_interfaces
Definition: totem.h:166
int knet_compression_level
Definition: totem.h:237
unsigned int net_mtu
Definition: totem.h:209
int version
Definition: totem.h:160
char knet_compression_model[CONFIG_STRING_LEN_MAX]
Definition: totem.h:233
unsigned int block_unlisted_ips
Definition: totem.h:245
unsigned int token_retransmits_before_loss_const
Definition: totem.h:189
unsigned char private_key[TOTEM_PRIVATE_KEY_LEN_MAX]
Definition: totem.h:174
int crypto_index
Definition: totem.h:229
unsigned int max_network_delay
Definition: totem.h:215
unsigned int seqno_unchanged_const
Definition: totem.h:203
unsigned int consensus_timeout
Definition: totem.h:195
unsigned int knet_pmtud_interval
Definition: totem.h:169
char crypto_cipher_type[CONFIG_STRING_LEN_MAX]
Definition: totem.h:225
unsigned int threads
Definition: totem.h:211
unsigned int send_join_timeout
Definition: totem.h:193
char link_mode[TOTEM_LINK_MODE_BYTES]
Definition: totem.h:205
enum totem_ip_version_enum ip_version
Definition: totem.h:243
unsigned int token_retransmit_timeout
Definition: totem.h:185
char crypto_hash_type[CONFIG_STRING_LEN_MAX]
Definition: totem.h:227
unsigned int token_warning
Definition: totem.h:183
unsigned int join_timeout
Definition: totem.h:191
unsigned int token_hold_timeout
Definition: totem.h:187
struct totem_ip_address local_ip
Definition: totem.h:86
int knet_ping_timeout
Definition: totem.h:93
int knet_link_priority
Definition: totem.h:91
uint16_t ip_port
Definition: totem.h:87
int knet_ping_interval
Definition: totem.h:92
uint8_t configured
Definition: totem.h:89
int knet_ping_precision
Definition: totem.h:94
int knet_pong_count
Definition: totem.h:95
int knet_transport
Definition: totem.h:96
int member_count
Definition: totem.h:90
struct totem_ip_address bindnet
Definition: totem.h:83
struct totem_ip_address member_list[PROCESSOR_COUNT_MAX]
Definition: totem.h:97
uint16_t ttl
Definition: totem.h:88
struct totem_ip_address mcast_addr
Definition: totem.h:85
The totem_ip_address struct.
Definition: coroapi.h:111
unsigned int nodeid
Definition: coroapi.h:112
unsigned short family
Definition: coroapi.h:113
#define swab32(x)
The swab32 macro.
Definition: swab.h:51
@ TOTEM_LINK_MODE_BYTES
Definition: totem.h:140
@ TOTEM_PRIVATE_KEY_LEN_MAX
Definition: totem.h:137
@ TOTEM_PRIVATE_KEY_LEN_MIN
Definition: totem.h:136
#define CONFIG_STRING_LEN_MAX
Definition: totem.h:54
@ TOTEM_TRANSPORT_UDPU
Definition: totem.h:144
@ TOTEM_TRANSPORT_KNET
Definition: totem.h:145
@ TOTEM_TRANSPORT_UDP
Definition: totem.h:143
#define MINIMUM_TIMEOUT
Definition: totemconfig.c:77
#define TOKEN_RETRANSMITS_BEFORE_LOSS_CONST
Definition: totemconfig.c:68
#define JOIN_TIMEOUT
Definition: totemconfig.c:72
#define DEFAULT_PORT
Definition: totemconfig.c:95
#define MAX_MESSAGES
Definition: totemconfig.c:81
#define MAX_NETWORK_DELAY
Definition: totemconfig.c:79
#define KNET_PONG_COUNT
Definition: totemconfig.c:91
#define KNET_PMTUD_INTERVAL
Definition: totemconfig.c:92
#define MINIMUM_TIMEOUT_HOLD
Definition: totemconfig.c:78
#define TOKEN_COEFFICIENT
Definition: totemconfig.c:71
#define SEQNO_UNCHANGED_CONST
Definition: totemconfig.c:76
void totem_volatile_config_read(struct totem_config *totem_config, icmap_map_t temp_map, const char *deleted_key)
Definition: totemconfig.c:305
void totemconfig_commit_new_params(struct totem_config *totem_config, icmap_map_t map)
Definition: totemconfig.c:2407
int totem_config_read(struct totem_config *totem_config, const char **error_string, uint64_t *warnings)
Definition: totemconfig.c:1774
#define MISS_COUNT_CONST
Definition: totemconfig.c:82
int totem_volatile_config_validate(struct totem_config *totem_config, icmap_map_t temp_map, const char **error_string)
Definition: totemconfig.c:370
#define TOKEN_WARNING
Definition: totemconfig.c:70
int totem_reread_crypto_config(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
Definition: totemconfig.c:2279
#define MERGE_TIMEOUT
Definition: totemconfig.c:73
#define KNET_PING_PRECISION
Definition: totemconfig.c:90
int totem_config_validate(struct totem_config *totem_config, const char **error_string)
Definition: totemconfig.c:1991
#define BLOCK_UNLISTED_IPS
Definition: totemconfig.c:83
#define KNET_DEFAULT_TRANSPORT
Definition: totemconfig.c:93
#define UDP_NETMTU
Definition: totemconfig.c:85
#define FAIL_TO_RECV_CONST
Definition: totemconfig.c:75
#define WINDOW_SIZE
Definition: totemconfig.c:80
#define DOWNCHECK_TIMEOUT
Definition: totemconfig.c:74
#define TOKEN_TIMEOUT
Definition: totemconfig.c:69
int totemconfig_configure_new_params(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
Definition: totemconfig.c:2384
int totem_config_keyread(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
Definition: totemconfig.c:2207
#define TOTEM_CONFIG_BINDNETADDR_NODELIST_SET
Definition: totemconfig.h:48
#define TOTEM_CONFIG_WARNING_TOTEM_NODEID_SET
Definition: totemconfig.h:47
#define TOTEM_CONFIG_WARNING_MEMBERS_IGNORED
Definition: totemconfig.h:45
#define TOTEM_CONFIG_WARNING_MEMBERS_DEPRECATED
Definition: totemconfig.h:46
int totemip_parse(struct totem_ip_address *totemip, const char *addr, enum totem_ip_version_enum ip_version)
Definition: totemip.c:306
const char * totemip_print(const struct totem_ip_address *addr)
Definition: totemip.c:256
totem_ip_version_enum
Definition: totemip.h:70
@ TOTEM_IP_VERSION_6_4
Definition: totemip.h:74
@ TOTEM_IP_VERSION_4
Definition: totemip.h:71
@ TOTEM_IP_VERSION_6
Definition: totemip.h:72
@ TOTEM_IP_VERSION_4_6
Definition: totemip.h:73
int totemip_is_mcast(struct totem_ip_address *addr)
Definition: totemip.c:134
int totempg_iface_set(struct totem_ip_address *interface_addr, unsigned short ip_port, unsigned int iface_no)
Definition: totempg.c:1434
int totempg_reconfigure(void)
Definition: totempg.c:1566
int totempg_member_remove(const struct totem_ip_address *member, int ring_no)
Definition: totempg.c:1559
int totempg_member_add(const struct totem_ip_address *member, int ring_no)
Definition: totempg.c:1552