summaryrefslogtreecommitdiffstats
path: root/exec/totemconfig.c
diff options
context:
space:
mode:
Diffstat (limited to 'exec/totemconfig.c')
-rw-r--r--exec/totemconfig.c2454
1 files changed, 2454 insertions, 0 deletions
diff --git a/exec/totemconfig.c b/exec/totemconfig.c
new file mode 100644
index 0000000..a6394a2
--- /dev/null
+++ b/exec/totemconfig.c
@@ -0,0 +1,2454 @@
+/*
+ * Copyright (c) 2002-2005 MontaVista Software, Inc.
+ * Copyright (c) 2006-2022 Red Hat, Inc.
+ *
+ * All rights reserved.
+ *
+ * Author: Steven Dake (sdake@redhat.com)
+ * Jan Friesse (jfriesse@redhat.com)
+ * Chrissie Caulfield (ccaulfie@redhat.com)
+ *
+ * This software licensed under BSD license, the text of which follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of the MontaVista Software, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <ifaddrs.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/param.h>
+#include <sys/utsname.h>
+
+#include <corosync/swab.h>
+#include <qb/qblist.h>
+#include <qb/qbdefs.h>
+#include <libknet.h>
+#include <corosync/totem/totem.h>
+#include <corosync/config.h>
+#include <corosync/logsys.h>
+#include <corosync/icmap.h>
+
+#include "util.h"
+#include "totemconfig.h"
+
+#define TOKEN_RETRANSMITS_BEFORE_LOSS_CONST 4
+#define TOKEN_TIMEOUT 3000
+#define TOKEN_WARNING 75
+#define TOKEN_COEFFICIENT 650
+#define JOIN_TIMEOUT 50
+#define MERGE_TIMEOUT 200
+#define DOWNCHECK_TIMEOUT 1000
+#define FAIL_TO_RECV_CONST 2500
+#define SEQNO_UNCHANGED_CONST 30
+#define MINIMUM_TIMEOUT (int)(1000/HZ)*3
+#define MINIMUM_TIMEOUT_HOLD (int)(MINIMUM_TIMEOUT * 0.8 - (1000/HZ))
+#define MAX_NETWORK_DELAY 50
+#define WINDOW_SIZE 50
+#define MAX_MESSAGES 17
+#define MISS_COUNT_CONST 5
+#define BLOCK_UNLISTED_IPS 1
+#define CANCEL_TOKEN_HOLD_ON_RETRANSMIT 0
+/* This constant is not used for knet */
+#define UDP_NETMTU 1500
+
+/* Currently all but PONG_COUNT match the defaults in libknet.h */
+#define KNET_PING_INTERVAL 1000
+#define KNET_PING_TIMEOUT 2000
+#define KNET_PING_PRECISION 2048
+#define KNET_PONG_COUNT 2
+#define KNET_PMTUD_INTERVAL 30
+#define KNET_MTU 0
+#define KNET_DEFAULT_TRANSPORT KNET_TRANSPORT_UDP
+
+#define DEFAULT_PORT 5405
+
+static char error_string_response[768];
+
+static void add_totem_config_notification(struct totem_config *totem_config);
+
+static void *totem_get_param_by_name(struct totem_config *totem_config, const char *param_name)
+{
+ if (strcmp(param_name, "totem.token") == 0)
+ return &totem_config->token_timeout;
+ if (strcmp(param_name, "totem.token_warning") == 0)
+ return &totem_config->token_warning;
+ if (strcmp(param_name, "totem.token_retransmit") == 0)
+ return &totem_config->token_retransmit_timeout;
+ if (strcmp(param_name, "totem.hold") == 0)
+ return &totem_config->token_hold_timeout;
+ if (strcmp(param_name, "totem.token_retransmits_before_loss_const") == 0)
+ return &totem_config->token_retransmits_before_loss_const;
+ if (strcmp(param_name, "totem.join") == 0)
+ return &totem_config->join_timeout;
+ if (strcmp(param_name, "totem.send_join") == 0)
+ return &totem_config->send_join_timeout;
+ if (strcmp(param_name, "totem.consensus") == 0)
+ return &totem_config->consensus_timeout;
+ if (strcmp(param_name, "totem.merge") == 0)
+ return &totem_config->merge_timeout;
+ if (strcmp(param_name, "totem.downcheck") == 0)
+ return &totem_config->downcheck_timeout;
+ if (strcmp(param_name, "totem.fail_recv_const") == 0)
+ return &totem_config->fail_to_recv_const;
+ if (strcmp(param_name, "totem.seqno_unchanged_const") == 0)
+ return &totem_config->seqno_unchanged_const;
+ if (strcmp(param_name, "totem.heartbeat_failures_allowed") == 0)
+ return &totem_config->heartbeat_failures_allowed;
+ if (strcmp(param_name, "totem.max_network_delay") == 0)
+ return &totem_config->max_network_delay;
+ if (strcmp(param_name, "totem.window_size") == 0)
+ return &totem_config->window_size;
+ if (strcmp(param_name, "totem.max_messages") == 0)
+ return &totem_config->max_messages;
+ if (strcmp(param_name, "totem.miss_count_const") == 0)
+ return &totem_config->miss_count_const;
+ if (strcmp(param_name, "totem.knet_pmtud_interval") == 0)
+ return &totem_config->knet_pmtud_interval;
+ if (strcmp(param_name, "totem.knet_mtu") == 0)
+ return &totem_config->knet_mtu;
+ if (strcmp(param_name, "totem.knet_compression_threshold") == 0)
+ return &totem_config->knet_compression_threshold;
+ if (strcmp(param_name, "totem.knet_compression_level") == 0)
+ return &totem_config->knet_compression_level;
+ if (strcmp(param_name, "totem.knet_compression_model") == 0)
+ return totem_config->knet_compression_model;
+ if (strcmp(param_name, "totem.block_unlisted_ips") == 0)
+ return &totem_config->block_unlisted_ips;
+ if (strcmp(param_name, "totem.cancel_token_hold_on_retransmit") == 0)
+ return &totem_config->cancel_token_hold_on_retransmit;
+
+ return NULL;
+}
+
+/*
+ * Read key_name from icmap. If key is not found or key_name == delete_key or if allow_zero is false
+ * and readed value is zero, default value is used and stored into totem_config.
+ */
+static void totem_volatile_config_set_uint32_value (struct totem_config *totem_config, icmap_map_t map,
+ const char *key_name, const char *deleted_key, unsigned int default_value,
+ int allow_zero_value)
+{
+ char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
+
+ if (icmap_get_uint32_r(map, key_name, totem_get_param_by_name(totem_config, key_name)) != CS_OK ||
+ (deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
+ (!allow_zero_value && *(uint32_t *)totem_get_param_by_name(totem_config, key_name) == 0)) {
+ *(uint32_t *)totem_get_param_by_name(totem_config, key_name) = default_value;
+ }
+
+ /*
+ * Store totem_config value to cmap runtime section
+ */
+ if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
+ /*
+ * This shouldn't happen
+ */
+ return ;
+ }
+
+ strcpy(runtime_key_name, "runtime.config.");
+ strcat(runtime_key_name, key_name);
+
+ icmap_set_uint32_r(map, runtime_key_name, *(uint32_t *)totem_get_param_by_name(totem_config, key_name));
+}
+
+static void totem_volatile_config_set_int32_value (struct totem_config *totem_config, icmap_map_t map,
+ const char *key_name, const char *deleted_key, int default_value,
+ int allow_zero_value)
+{
+ char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
+
+ if (icmap_get_int32_r(map, key_name, totem_get_param_by_name(totem_config, key_name)) != CS_OK ||
+ (deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
+ (!allow_zero_value && *(int32_t *)totem_get_param_by_name(totem_config, key_name) == 0)) {
+ *(int32_t *)totem_get_param_by_name(totem_config, key_name) = default_value;
+ }
+
+ /*
+ * Store totem_config value to cmap runtime section
+ */
+ if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
+ /*
+ * This shouldn't happen
+ */
+ return ;
+ }
+
+ strcpy(runtime_key_name, "runtime.config.");
+ strcat(runtime_key_name, key_name);
+
+ icmap_set_int32_r(map, runtime_key_name, *(int32_t *)totem_get_param_by_name(totem_config, key_name));
+}
+
+static void totem_volatile_config_set_string_value (struct totem_config *totem_config, icmap_map_t map,
+ const char *key_name, const char *deleted_key, const char *default_value)
+{
+ char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
+ int res;
+ char *new_config_value;
+ const void *config_value;
+
+ config_value = totem_get_param_by_name(totem_config, key_name);
+
+ res = icmap_get_string_r(map, key_name, (char **)&new_config_value);
+ if (res != CS_OK ||
+ (deleted_key != NULL && strcmp(deleted_key, key_name) == 0)) {
+
+ /* Slightly pointless use of strncpy but it keeps coverity happy */
+ strncpy((char *)config_value, default_value, CONFIG_STRING_LEN_MAX);
+ } else {
+ strncpy((char *)config_value, new_config_value, CONFIG_STRING_LEN_MAX);
+ }
+ if (res == CS_OK) {
+ free(new_config_value);
+ }
+
+ /*
+ * Store totem_config value to cmap runtime section
+ */
+ if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
+ /*
+ * This shouldn't happen
+ */
+ return ;
+ }
+
+ strcpy(runtime_key_name, "runtime.config.");
+ strcat(runtime_key_name, key_name);
+
+ (void)icmap_set_string_r(map, runtime_key_name, (char *)config_value);
+}
+
+/*
+ * Read string value stored in key_name from icmap, use it as a boolean (yes/no) type, convert it
+ * to integer value (1/0) and store into totem_config.
+ *
+ * If key is not found or key_name == delete_key default value is used
+ * and stored into totem_config.
+ */
+static void totem_volatile_config_set_boolean_value (struct totem_config *totem_config, icmap_map_t map,
+ const char *key_name, const char *deleted_key, unsigned int default_value)
+{
+ char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
+ char *str;
+ int val;
+
+ str = NULL;
+ val = default_value;
+
+ if ((deleted_key != NULL && strcmp(deleted_key, key_name) == 0) ||
+ (icmap_get_string_r(map, key_name, &str) != CS_OK)) {
+ /*
+ * Do nothing. str is NULL (icmap_get_string ether not called or
+ * not changed str).
+ */
+ } else {
+ if (strcmp(str, "yes") == 0) {
+ val = 1;
+ } else if (strcmp(str, "no") == 0) {
+ val = 0;
+ }
+ free(str);
+ }
+
+ /*
+ * Store totem_config value to cmap runtime section
+ */
+ if (strlen("runtime.config.") + strlen(key_name) >= ICMAP_KEYNAME_MAXLEN) {
+ /*
+ * This shouldn't happen
+ */
+ return ;
+ }
+
+ strcpy(runtime_key_name, "runtime.config.");
+ strcat(runtime_key_name, key_name);
+
+ *(uint32_t *)totem_get_param_by_name(totem_config, key_name) = val;
+
+ icmap_set_uint32_r(map, runtime_key_name, val);
+}
+
+/*
+ * Read and validate config values from cmap and store them into totem_config. If key doesn't exists,
+ * default value is stored. deleted_key is name of key beeing processed by delete operation
+ * from cmap. It is considered as non existing even if it can be read. Can be NULL.
+ */
+void totem_volatile_config_read (struct totem_config *totem_config, icmap_map_t temp_map, const char *deleted_key)
+{
+ uint32_t u32;
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_retransmits_before_loss_const", deleted_key,
+ TOKEN_RETRANSMITS_BEFORE_LOSS_CONST, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token", deleted_key, TOKEN_TIMEOUT, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_warning", deleted_key, TOKEN_WARNING, 1);
+
+ if (totem_config->interfaces[0].member_count > 2) {
+ u32 = TOKEN_COEFFICIENT;
+ icmap_get_uint32_r(temp_map, "totem.token_coefficient", &u32);
+ totem_config->token_timeout += (totem_config->interfaces[0].member_count - 2) * u32;
+
+ /*
+ * Store totem_config value to cmap runtime section
+ */
+ icmap_set_uint32_r(temp_map, "runtime.config.totem.token", totem_config->token_timeout);
+ }
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.max_network_delay", deleted_key, MAX_NETWORK_DELAY, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.window_size", deleted_key, WINDOW_SIZE, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.max_messages", deleted_key, MAX_MESSAGES, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.miss_count_const", deleted_key, MISS_COUNT_CONST, 0);
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.knet_pmtud_interval", deleted_key, KNET_PMTUD_INTERVAL, 0);
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.knet_mtu", deleted_key, KNET_MTU, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.token_retransmit", deleted_key,
+ (int)(totem_config->token_timeout / (totem_config->token_retransmits_before_loss_const + 0.2)), 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.hold", deleted_key,
+ (int)(totem_config->token_retransmit_timeout * 0.8 - (1000/HZ)), 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.join", deleted_key, JOIN_TIMEOUT, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.consensus", deleted_key,
+ (int)(float)(1.2 * totem_config->token_timeout), 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.merge", deleted_key, MERGE_TIMEOUT, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.downcheck", deleted_key, DOWNCHECK_TIMEOUT, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.fail_recv_const", deleted_key, FAIL_TO_RECV_CONST, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.seqno_unchanged_const", deleted_key,
+ SEQNO_UNCHANGED_CONST, 0);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.send_join", deleted_key, 0, 1);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.heartbeat_failures_allowed", deleted_key, 0, 1);
+
+ totem_volatile_config_set_uint32_value(totem_config, temp_map, "totem.knet_compression_threshold", deleted_key, 0, 1);
+
+ totem_volatile_config_set_int32_value(totem_config, temp_map, "totem.knet_compression_level", deleted_key, 0, 1);
+
+ totem_volatile_config_set_string_value(totem_config, temp_map, "totem.knet_compression_model", deleted_key, "none");
+
+ totem_volatile_config_set_boolean_value(totem_config, temp_map, "totem.block_unlisted_ips", deleted_key,
+ BLOCK_UNLISTED_IPS);
+
+ totem_volatile_config_set_boolean_value(totem_config, temp_map, "totem.cancel_token_hold_on_retransmit",
+ deleted_key, CANCEL_TOKEN_HOLD_ON_RETRANSMIT);
+}
+
+int totem_volatile_config_validate (
+ struct totem_config *totem_config,
+ icmap_map_t temp_map,
+ const char **error_string)
+{
+ /* Static just to keep them off the stack */
+ static char local_error_reason[512];
+ static char addr_str_buf[INET6_ADDRSTRLEN];
+ const char *error_reason = local_error_reason;
+ char name_key[ICMAP_KEYNAME_MAXLEN];
+ char *name_str;
+ int i, j, num_configured, members;
+ uint32_t tmp_config_value;
+
+ if (totem_config->max_network_delay < MINIMUM_TIMEOUT) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The max_network_delay parameter (%d ms) may not be less than (%d ms).",
+ totem_config->max_network_delay, MINIMUM_TIMEOUT);
+ goto parse_error;
+ }
+
+ if (totem_config->token_timeout < MINIMUM_TIMEOUT) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The token timeout parameter (%d ms) may not be less than (%d ms).",
+ totem_config->token_timeout, MINIMUM_TIMEOUT);
+ goto parse_error;
+ }
+
+ if (totem_config->token_warning > 100 || totem_config->token_warning < 0) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The token warning parameter (%d%%) must be between 0 (disabled) and 100.",
+ totem_config->token_warning);
+ goto parse_error;
+ }
+
+ if (totem_config->token_retransmit_timeout < MINIMUM_TIMEOUT) {
+ if (icmap_get_uint32_r(temp_map, "totem.token_retransmit", &tmp_config_value) == CS_OK) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The token retransmit timeout parameter (%d ms) may not be less than (%d ms).",
+ totem_config->token_retransmit_timeout, MINIMUM_TIMEOUT);
+ goto parse_error;
+ } else {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "Not appropriate token or token_retransmits_before_loss_const value set");
+ goto parse_error;
+ }
+ }
+
+ if (totem_config->token_hold_timeout < MINIMUM_TIMEOUT_HOLD) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The token hold timeout parameter (%d ms) may not be less than (%d ms).",
+ totem_config->token_hold_timeout, MINIMUM_TIMEOUT_HOLD);
+ goto parse_error;
+ }
+
+ if (totem_config->join_timeout < MINIMUM_TIMEOUT) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The join timeout parameter (%d ms) may not be less than (%d ms).",
+ totem_config->join_timeout, MINIMUM_TIMEOUT);
+ goto parse_error;
+ }
+
+ if (totem_config->consensus_timeout < MINIMUM_TIMEOUT) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The consensus timeout parameter (%d ms) may not be less than (%d ms).",
+ totem_config->consensus_timeout, MINIMUM_TIMEOUT);
+ goto parse_error;
+ }
+
+ if (totem_config->consensus_timeout < totem_config->join_timeout) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The consensus timeout parameter (%d ms) may not be less than join timeout (%d ms).",
+ totem_config->consensus_timeout, totem_config->join_timeout);
+ goto parse_error;
+ }
+
+ if (totem_config->merge_timeout < MINIMUM_TIMEOUT) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The merge timeout parameter (%d ms) may not be less than (%d ms).",
+ totem_config->merge_timeout, MINIMUM_TIMEOUT);
+ goto parse_error;
+ }
+
+ if (totem_config->downcheck_timeout < MINIMUM_TIMEOUT) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The downcheck timeout parameter (%d ms) may not be less than (%d ms).",
+ totem_config->downcheck_timeout, MINIMUM_TIMEOUT);
+ goto parse_error;
+ }
+
+ /* Check that we have nodelist 'name' if there is more than one link */
+ num_configured = 0;
+ members = -1;
+ for (i = 0; i < INTERFACE_MAX; i++) {
+ if (totem_config->interfaces[i].configured) {
+ if (num_configured == 0) {
+ members = totem_config->interfaces[i].member_count;
+ }
+ num_configured++;
+ }
+ }
+
+ if (num_configured > 1) {
+ /*
+ * This assert is here just to make compiler happy
+ */
+ assert(members != -1);
+ for (i=0; i < members; i++) {
+ snprintf(name_key, sizeof(name_key), "nodelist.node.%d.name", i);
+
+ if (icmap_get_string_r(temp_map, name_key, &name_str) != CS_OK) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "for a multi-link configuration, all nodes must have a 'name' attribute");
+ goto parse_error;
+ }
+
+ free(name_str);
+ }
+
+ for (i=0; i < INTERFACE_MAX; i++) {
+ if (!totem_config->interfaces[i].configured) {
+ continue;
+ }
+ if (totem_config->interfaces[i].member_count != members) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "Not all nodes have the same number of links");
+ goto parse_error;
+ }
+ }
+ }
+
+ /* Verify that all nodes on the same link have the same IP family */
+ for (i=0; i < INTERFACE_MAX; i++) {
+ for (j=1; j<totem_config->interfaces[i].member_count; j++) {
+ if (totem_config->interfaces[i].configured) {
+ if (totem_config->interfaces[i].member_list[j].family !=
+ totem_config->interfaces[i].member_list[0].family) {
+ memcpy(addr_str_buf,
+ totemip_print(&(totem_config->interfaces[i].member_list[j])),
+ sizeof(addr_str_buf));
+
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "Nodes for link %d have different IP families "
+ "(compared %s with %s)", i,
+ addr_str_buf,
+ totemip_print(&(totem_config->interfaces[i].member_list[0])));
+ goto parse_error;
+ }
+ }
+ }
+ }
+
+ return 0;
+
+parse_error:
+ snprintf (error_string_response, sizeof(error_string_response),
+ "parse error in config: %s\n", error_reason);
+ *error_string = error_string_response;
+ return (-1);
+
+}
+
+static int totem_get_crypto(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
+{
+ char *str;
+ const char *tmp_cipher;
+ const char *tmp_hash;
+ const char *tmp_model;
+ char *crypto_model_str;
+ int res = 0;
+
+ tmp_hash = "none";
+ tmp_cipher = "none";
+ tmp_model = "none";
+
+ crypto_model_str = NULL;
+ if (icmap_get_string_r(map, "totem.crypto_model", &crypto_model_str) == CS_OK) {
+ tmp_model = crypto_model_str;
+ } else {
+ tmp_model = "nss";
+ }
+
+ if (icmap_get_string_r(map, "totem.secauth", &str) == CS_OK) {
+ if (strcmp(str, "on") == 0) {
+ tmp_cipher = "aes256";
+ tmp_hash = "sha256";
+ }
+ free(str);
+ }
+
+ if (icmap_get_string_r(map, "totem.crypto_cipher", &str) == CS_OK) {
+ if (strcmp(str, "none") == 0) {
+ tmp_cipher = "none";
+ }
+ if (strcmp(str, "aes256") == 0) {
+ tmp_cipher = "aes256";
+ }
+ if (strcmp(str, "aes192") == 0) {
+ tmp_cipher = "aes192";
+ }
+ if (strcmp(str, "aes128") == 0) {
+ tmp_cipher = "aes128";
+ }
+ free(str);
+ }
+
+ if (icmap_get_string_r(map, "totem.crypto_hash", &str) == CS_OK) {
+ if (strcmp(str, "none") == 0) {
+ tmp_hash = "none";
+ }
+ if (strcmp(str, "md5") == 0) {
+ tmp_hash = "md5";
+ }
+ if (strcmp(str, "sha1") == 0) {
+ tmp_hash = "sha1";
+ }
+ if (strcmp(str, "sha256") == 0) {
+ tmp_hash = "sha256";
+ }
+ if (strcmp(str, "sha384") == 0) {
+ tmp_hash = "sha384";
+ }
+ if (strcmp(str, "sha512") == 0) {
+ tmp_hash = "sha512";
+ }
+ free(str);
+ }
+
+ if ((strcmp(tmp_cipher, "none") != 0) &&
+ (strcmp(tmp_hash, "none") == 0)) {
+ *error_string = "crypto_cipher requires crypto_hash with value other than none";
+ res = -1;
+
+ goto out_free_crypto_model_str;
+ }
+
+ if (strcmp(tmp_model, "none") == 0) {
+ /*
+ * Shouldn't happen because it is handled by coroparse
+ */
+ *error_string = "invalid crypto_model";
+ res = -1;
+
+ goto out_free_crypto_model_str;
+ }
+
+ if (strcmp(tmp_cipher, totem_config->crypto_cipher_type) ||
+ strcmp(tmp_hash, totem_config->crypto_hash_type) ||
+ strcmp(tmp_model, totem_config->crypto_model)) {
+ totem_config->crypto_changed = 1;
+ }
+
+ strncpy(totem_config->crypto_cipher_type, tmp_cipher, CONFIG_STRING_LEN_MAX - 1);
+ totem_config->crypto_cipher_type[CONFIG_STRING_LEN_MAX - 1] = '\0';
+
+ strncpy(totem_config->crypto_hash_type, tmp_hash, CONFIG_STRING_LEN_MAX - 1);
+ totem_config->crypto_hash_type[CONFIG_STRING_LEN_MAX - 1] = '\0';
+
+ strncpy(totem_config->crypto_model, tmp_model, CONFIG_STRING_LEN_MAX - 1);
+ totem_config->crypto_model[CONFIG_STRING_LEN_MAX - 1] = '\0';
+
+out_free_crypto_model_str:
+ free(crypto_model_str);
+
+ return (res);
+}
+
+static int nodelist_byname(icmap_map_t map, const char *find_name, int strip_domain)
+{
+ icmap_iter_t iter;
+ const char *iter_key;
+ char name_str[ICMAP_KEYNAME_MAXLEN];
+ int res = 0;
+ unsigned int node_pos;
+ char *name;
+ unsigned int namelen;
+
+ iter = icmap_iter_init_r(map, "nodelist.node.");
+ while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
+ res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, name_str);
+ if (res != 2) {
+ continue;
+ }
+ /* ring0_addr is allowed as a fallback */
+ if (strcmp(name_str, "name") && strcmp(name_str, "ring0_addr")) {
+ continue;
+ }
+ if (icmap_get_string_r(map, iter_key, &name) != CS_OK) {
+ continue;
+ }
+ namelen = strlen(name);
+
+ if (strip_domain) {
+ char *dot;
+ dot = strchr(name, '.');
+ if (dot) {
+ namelen = dot - name;
+ }
+ }
+ if (strncmp(find_name, name, namelen) == 0 &&
+ strlen(find_name) == namelen) {
+ icmap_iter_finalize(iter);
+ return node_pos;
+ }
+ }
+ icmap_iter_finalize(iter);
+ return -1;
+}
+
+/* Compare two addresses - only address part (sin_addr/sin6_addr) is checked */
+static int ipaddr_equal(const struct sockaddr *addr1, const struct sockaddr *addr2)
+{
+ int addrlen = 0;
+ const void *addr1p, *addr2p;
+
+ if (addr1->sa_family != addr2->sa_family)
+ return 0;
+
+ switch (addr1->sa_family) {
+ case AF_INET:
+ addrlen = sizeof(struct in_addr);
+ addr1p = &((struct sockaddr_in *)addr1)->sin_addr;
+ addr2p = &((struct sockaddr_in *)addr2)->sin_addr;
+ break;
+ case AF_INET6:
+ addrlen = sizeof(struct in6_addr);
+ addr1p = &((struct sockaddr_in6 *)addr1)->sin6_addr;
+ addr2p = &((struct sockaddr_in6 *)addr2)->sin6_addr;
+ break;
+ default:
+ assert(0);
+ }
+
+ return (memcmp(addr1p, addr2p, addrlen) == 0);
+}
+
+
+/* Finds the local node and returns its position in the nodelist.
+ * Uses nodelist.local_node_pos as a cache to save effort
+ */
+static int find_local_node(icmap_map_t map, int use_cache)
+{
+ char nodename2[PATH_MAX];
+ char name_str[ICMAP_KEYNAME_MAXLEN];
+ icmap_iter_t iter;
+ const char *iter_key;
+ unsigned int cached_pos;
+ char *dot = NULL;
+ const char *node;
+ struct ifaddrs *ifa, *ifa_list;
+ struct sockaddr *sa;
+ int found = 0;
+ int node_pos = -1;
+ int res;
+ struct utsname utsname;
+
+ /* Check for cached value first */
+ if (use_cache) {
+ if (icmap_get_uint32("nodelist.local_node_pos", &cached_pos) == CS_OK) {
+ return cached_pos;
+ }
+ }
+
+ res = uname(&utsname);
+ if (res < 0) {
+ return -1;
+ }
+ node = utsname.nodename;
+
+ /* 1. Exact match */
+ node_pos = nodelist_byname(map, node, 0);
+ if (node_pos > -1) {
+ found = 1;
+ goto ret_found;
+ }
+
+ /* 2. Try to match with increasingly more
+ * specific versions of it
+ */
+ strcpy(nodename2, node);
+ dot = strrchr(nodename2, '.');
+ while (dot) {
+ *dot = '\0';
+
+ node_pos = nodelist_byname(map, nodename2, 0);
+ if (node_pos > -1) {
+ found = 1;
+ goto ret_found;
+ }
+ dot = strrchr(nodename2, '.');
+ }
+
+ node_pos = nodelist_byname(map, nodename2, 1);
+ if (node_pos > -1) {
+ found = 1;
+ goto ret_found;
+ }
+
+ /*
+ * The corosync.conf name may not be related to uname at all,
+ * they may match a hostname on some network interface.
+ */
+ if (getifaddrs(&ifa_list))
+ return -1;
+
+ for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) {
+ socklen_t salen = 0;
+
+ /* Restore this */
+ strcpy(nodename2, node);
+ sa = ifa->ifa_addr;
+ if (!sa) {
+ continue;
+ }
+ if (sa->sa_family != AF_INET && sa->sa_family != AF_INET6) {
+ continue;
+ }
+
+ if (sa->sa_family == AF_INET) {
+ salen = sizeof(struct sockaddr_in);
+ }
+ if (sa->sa_family == AF_INET6) {
+ salen = sizeof(struct sockaddr_in6);
+ }
+
+ if (getnameinfo(sa, salen,
+ nodename2, sizeof(nodename2),
+ NULL, 0, 0) == 0) {
+
+ node_pos = nodelist_byname(map, nodename2, 0);
+ if (node_pos > -1) {
+ found = 1;
+ goto out;
+ }
+
+ /* Truncate this name and try again */
+ dot = strchr(nodename2, '.');
+ if (dot) {
+ *dot = '\0';
+
+ node_pos = nodelist_byname(map, nodename2, 0);
+ if (node_pos > -1) {
+ found = 1;
+ goto out;
+ }
+ }
+ }
+
+ /* See if it's the IP address that's in corosync.conf */
+ if (getnameinfo(sa, sizeof(*sa),
+ nodename2, sizeof(nodename2),
+ NULL, 0, NI_NUMERICHOST))
+ continue;
+
+ node_pos = nodelist_byname(map, nodename2, 0);
+ if (node_pos > -1) {
+ found = 1;
+ goto out;
+ }
+ }
+
+ out:
+ if (found) {
+ freeifaddrs(ifa_list);
+ goto ret_found;
+ }
+
+ /*
+ * This section covers the usecase where the nodename specified in cluster.conf
+ * is an alias specified in /etc/hosts. For example:
+ * <ipaddr> hostname alias1 alias2
+ * and <clusternode name="alias2">
+ * the above calls use uname and getnameinfo does not return aliases.
+ * here we take the name specified in cluster.conf, resolve it to an address
+ * and then compare against all known local ip addresses.
+ * if we have a match, we found our nodename. In theory this chunk of code
+ * could replace all the checks above, but let's avoid any possible regressions
+ * and use it as last.
+ */
+
+ iter = icmap_iter_init_r(map, "nodelist.node.");
+ while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
+ char *dbnodename = NULL;
+ struct addrinfo hints;
+ struct addrinfo *result = NULL, *rp = NULL;
+
+ res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, name_str);
+ if (res != 2) {
+ continue;
+ }
+ /* 'ring0_addr' is allowed as a fallback, but 'name' will be found first
+ * because the names are in alpha order.
+ */
+ if (strcmp(name_str, "name") && strcmp(name_str, "ring0_addr")) {
+ continue;
+ }
+ if (icmap_get_string_r(map, iter_key, &dbnodename) != CS_OK) {
+ continue;
+ }
+
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_DGRAM;
+ hints.ai_flags = 0;
+ hints.ai_protocol = IPPROTO_UDP;
+
+ if (getaddrinfo(dbnodename, NULL, &hints, &result)) {
+ continue;
+ }
+
+ for (rp = result; rp != NULL; rp = rp->ai_next) {
+ for (ifa = ifa_list; ifa; ifa = ifa->ifa_next) {
+ if (ifa->ifa_addr &&
+ ipaddr_equal(rp->ai_addr, ifa->ifa_addr)) {
+ freeaddrinfo(result);
+ found = 1;
+ goto out2;
+ }
+ }
+ }
+
+ freeaddrinfo(result);
+ }
+out2:
+ icmap_iter_finalize(iter);
+ freeifaddrs(ifa_list);
+
+ret_found:
+ if (found) {
+ res = icmap_set_uint32_r(map, "nodelist.local_node_pos", node_pos);
+ }
+
+ return node_pos;
+}
+
+static enum totem_ip_version_enum totem_config_get_ip_version(struct totem_config *totem_config)
+{
+ enum totem_ip_version_enum res;
+ char *str;
+
+ res = TOTEM_IP_VERSION_6_4;
+
+ if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
+ res = TOTEM_IP_VERSION_4;
+ }
+
+ if (icmap_get_string("totem.ip_version", &str) == CS_OK) {
+ if (strcmp(str, "ipv4") == 0) {
+ res = TOTEM_IP_VERSION_4;
+ }
+ if (strcmp(str, "ipv6") == 0) {
+ res = TOTEM_IP_VERSION_6;
+ }
+ if (strcmp(str, "ipv6-4") == 0) {
+ res = TOTEM_IP_VERSION_6_4;
+ }
+ if (strcmp(str, "ipv4-6") == 0) {
+ res = TOTEM_IP_VERSION_4_6;
+ }
+ free(str);
+ }
+
+ return (res);
+}
+
+static uint16_t generate_cluster_id (const char *cluster_name)
+{
+ int i;
+ int value = 0;
+
+ for (i = 0; i < strlen(cluster_name); i++) {
+ value <<= 1;
+ value += cluster_name[i];
+ }
+
+ return (value & 0xFFFF);
+}
+
+static int get_cluster_mcast_addr (
+ const char *cluster_name,
+ unsigned int linknumber,
+ enum totem_ip_version_enum ip_version,
+ struct totem_ip_address *res)
+{
+ uint16_t clusterid;
+ char addr[INET6_ADDRSTRLEN + 1];
+ int err;
+
+ if (cluster_name == NULL) {
+ return (-1);
+ }
+
+ clusterid = generate_cluster_id(cluster_name) + linknumber;
+ memset (res, 0, sizeof(*res));
+
+ switch (ip_version) {
+ case TOTEM_IP_VERSION_4:
+ case TOTEM_IP_VERSION_4_6:
+ snprintf(addr, sizeof(addr), "239.192.%d.%d", clusterid >> 8, clusterid % 0xFF);
+ break;
+ case TOTEM_IP_VERSION_6:
+ case TOTEM_IP_VERSION_6_4:
+ snprintf(addr, sizeof(addr), "ff15::%x", clusterid);
+ break;
+ default:
+ /*
+ * Unknown family
+ */
+ return (-1);
+ }
+
+ err = totemip_parse (res, addr, ip_version);
+
+ return (err);
+}
+
+static unsigned int generate_nodeid(
+ struct totem_config *totem_config,
+ char *addr)
+{
+ unsigned int nodeid;
+ struct totem_ip_address totemip;
+
+ /* AF_INET hard-coded here because auto-generated nodeids
+ are only for IPv4 */
+ if (totemip_parse(&totemip, addr, TOTEM_IP_VERSION_4) != 0)
+ return -1;
+
+ memcpy (&nodeid, &totemip.addr, sizeof (unsigned int));
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ nodeid = swab32 (nodeid);
+#endif
+
+ if (totem_config->clear_node_high_bit) {
+ nodeid &= 0x7FFFFFFF;
+ }
+ return nodeid;
+}
+
+static int check_for_duplicate_nodeids(
+ struct totem_config *totem_config,
+ const char **error_string)
+{
+ icmap_iter_t iter;
+ icmap_iter_t subiter;
+ const char *iter_key;
+ int res = 0;
+ int retval = 0;
+ char tmp_key[ICMAP_KEYNAME_MAXLEN];
+ char *ring0_addr=NULL;
+ char *ring0_addr1=NULL;
+ unsigned int node_pos;
+ unsigned int node_pos1;
+ unsigned int last_node_pos = -1;
+ unsigned int nodeid;
+ unsigned int nodeid1;
+ int autogenerated;
+
+ iter = icmap_iter_init("nodelist.node.");
+ while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
+ res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, tmp_key);
+ if (res != 2) {
+ continue;
+ }
+
+ /*
+ * This relies on the fact the icmap keys are always returned in order
+ * so all of the keys for a node will be grouped together. We're basically
+ * just running the code below once for each node.
+ */
+ if (last_node_pos == node_pos) {
+ continue;
+ }
+ last_node_pos = node_pos;
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
+ autogenerated = 0;
+
+ /* Generated nodeids are only allowed for UDP/UDPU so ring0_addr is valid here */
+ if (icmap_get_uint32(tmp_key, &nodeid) != CS_OK) {
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos);
+ if (icmap_get_string(tmp_key, &ring0_addr) != CS_OK) {
+ continue;
+ }
+
+ /* Generate nodeid so we can check that auto-generated nodeids don't clash either */
+ nodeid = generate_nodeid(totem_config, ring0_addr);
+ if (nodeid == -1) {
+ continue;
+ }
+ autogenerated = 1;
+ }
+
+ node_pos1 = 0;
+ subiter = icmap_iter_init("nodelist.node.");
+ while (((iter_key = icmap_iter_next(subiter, NULL, NULL)) != NULL) && (node_pos1 < node_pos)) {
+ res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos1, tmp_key);
+ if ((res != 2) || (node_pos1 >= node_pos)) {
+ continue;
+ }
+
+ if (strcmp(tmp_key, "nodeid") != 0) {
+ continue;
+ }
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos1);
+ if (icmap_get_uint32(tmp_key, &nodeid1) != CS_OK) {
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos1);
+ if (icmap_get_string(tmp_key, &ring0_addr1) != CS_OK) {
+ continue;
+ }
+ nodeid1 = generate_nodeid(totem_config, ring0_addr1);
+ if (nodeid1 == -1) {
+ continue;
+ }
+ }
+
+ if (nodeid == nodeid1) {
+ retval = -1;
+ snprintf (error_string_response, sizeof(error_string_response),
+ "Nodeid %u%s%s%s appears twice in corosync.conf", nodeid,
+ autogenerated?"(autogenerated from ":"",
+ autogenerated?ring0_addr:"",
+ autogenerated?")":"");
+ *error_string = error_string_response;
+ break;
+ }
+ }
+ icmap_iter_finalize(subiter);
+ }
+ icmap_iter_finalize(iter);
+ return retval;
+}
+
+
+/*
+ * This needs to be done last of all. It would be nice to do it when reading the
+ * interface params, but the totem params need to have them to be read first. We
+ * need both, so this is a way round that circular dependancy.
+ */
+static void calc_knet_ping_timers(struct totem_config *totem_config)
+{
+ char runtime_key_name[ICMAP_KEYNAME_MAXLEN];
+ int interface;
+
+ for (interface = 0; interface < INTERFACE_MAX; interface++) {
+
+ if (totem_config->interfaces[interface].configured) {
+ if (!totem_config->interfaces[interface].knet_pong_count) {
+ totem_config->interfaces[interface].knet_pong_count = KNET_PONG_COUNT;
+ }
+ if (!totem_config->interfaces[interface].knet_ping_timeout) {
+ totem_config->interfaces[interface].knet_ping_timeout =
+ totem_config->token_timeout / totem_config->interfaces[interface].knet_pong_count;
+ }
+ snprintf(runtime_key_name, sizeof(runtime_key_name),
+ "runtime.config.totem.interface.%d.knet_ping_timeout", interface);
+ icmap_set_uint32(runtime_key_name, totem_config->interfaces[interface].knet_ping_timeout);
+
+ if (!totem_config->interfaces[interface].knet_ping_interval) {
+ totem_config->interfaces[interface].knet_ping_interval =
+ totem_config->token_timeout / (totem_config->interfaces[interface].knet_pong_count * 2);
+ }
+ snprintf(runtime_key_name, sizeof(runtime_key_name),
+ "runtime.config.totem.interface.%d.knet_ping_interval", interface);
+ icmap_set_uint32(runtime_key_name, totem_config->interfaces[interface].knet_ping_interval);
+ }
+ }
+}
+
+/*
+ * Compute difference between two set of totem interface arrays and commit it.
+ * set1 and set2
+ * are changed so for same ring, ip existing in both set1 and set2 are cleared
+ * (set to 0), and ips which are only in set1 or set2 remains untouched.
+ * totempg_node_add/remove is called.
+ */
+static int compute_and_set_totempg_interfaces(struct totem_interface *set1,
+ struct totem_interface *set2)
+{
+ int ring_no, set1_pos, set2_pos;
+ struct totem_ip_address empty_ip_address;
+ int res = 0;
+
+ memset(&empty_ip_address, 0, sizeof(empty_ip_address));
+
+ for (ring_no = 0; ring_no < INTERFACE_MAX; ring_no++) {
+ if (!set1[ring_no].configured && !set2[ring_no].configured) {
+ continue;
+ }
+
+ for (set1_pos = 0; set1_pos < set1[ring_no].member_count; set1_pos++) {
+ for (set2_pos = 0; set2_pos < set2[ring_no].member_count; set2_pos++) {
+ /*
+ * For current ring_no remove all set1 items existing
+ * in set2
+ */
+ if (memcmp(&set1[ring_no].member_list[set1_pos],
+ &set2[ring_no].member_list[set2_pos],
+ sizeof(struct totem_ip_address)) == 0) {
+ memset(&set1[ring_no].member_list[set1_pos], 0,
+ sizeof(struct totem_ip_address));
+ memset(&set2[ring_no].member_list[set2_pos], 0,
+ sizeof(struct totem_ip_address));
+ }
+ }
+ }
+ }
+
+ for (ring_no = 0; ring_no < INTERFACE_MAX; ring_no++) {
+ for (set1_pos = 0; set1_pos < set1[ring_no].member_count; set1_pos++) {
+ /*
+ * All items which remain in set1 and don't exist in set2 any more
+ * have to be removed.
+ */
+ if (memcmp(&set1[ring_no].member_list[set1_pos], &empty_ip_address, sizeof(empty_ip_address)) != 0) {
+ log_printf(LOGSYS_LEVEL_DEBUG,
+ "removing dynamic member %s for ring %u",
+ totemip_print(&set1[ring_no].member_list[set1_pos]),
+ ring_no);
+
+ totempg_member_remove(&set1[ring_no].member_list[set1_pos], ring_no);
+ }
+ }
+ if (!set2[ring_no].configured) {
+ continue;
+ }
+ for (set2_pos = 0; set2_pos < set2[ring_no].member_count; set2_pos++) {
+ /*
+ * All items which remain in set2 and don't exist in set1 are new nodes
+ * and have to be added.
+ */
+ if (memcmp(&set2[ring_no].member_list[set2_pos], &empty_ip_address, sizeof(empty_ip_address)) != 0) {
+ log_printf(LOGSYS_LEVEL_DEBUG,
+ "adding dynamic member %s for ring %u",
+ totemip_print(&set2[ring_no].member_list[set2_pos]),
+ ring_no);
+
+ if (totempg_member_add(&set2[ring_no].member_list[set2_pos], ring_no)) {
+ res = -1;
+ }
+ }
+ }
+ }
+ return res;
+}
+
+/*
+ * Configure parameters for links
+ */
+static void configure_link_params(struct totem_config *totem_config, icmap_map_t map)
+{
+ int i;
+ char tmp_key[ICMAP_KEYNAME_MAXLEN];
+ char *addr_string;
+ int err;
+ int local_node_pos = find_local_node(map, 0);
+
+ for (i = 0; i<INTERFACE_MAX; i++) {
+ if (!totem_config->interfaces[i].configured) {
+ continue;
+ }
+
+ log_printf(LOGSYS_LEVEL_DEBUG, "Configuring link %d params\n", i);
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring%u_addr", local_node_pos, i);
+ if (icmap_get_string_r(map, tmp_key, &addr_string) != CS_OK) {
+ continue;
+ }
+
+ err = totemip_parse(&totem_config->interfaces[i].local_ip, addr_string, totem_config->ip_version);
+ if (err != 0) {
+ continue;
+ }
+ totem_config->interfaces[i].local_ip.nodeid = totem_config->node_id;
+
+ /* In case this is a new link, fill in the defaults if there was no interface{} section for it */
+ if (!totem_config->interfaces[i].knet_link_priority)
+ totem_config->interfaces[i].knet_link_priority = 1;
+
+ /* knet_ping_interval & knet_ping_timeout are set later once we know all the other params */
+ if (!totem_config->interfaces[i].knet_ping_precision)
+ totem_config->interfaces[i].knet_ping_precision = KNET_PING_PRECISION;
+ if (!totem_config->interfaces[i].knet_pong_count)
+ totem_config->interfaces[i].knet_pong_count = KNET_PONG_COUNT;
+ if (!totem_config->interfaces[i].knet_transport)
+ totem_config->interfaces[i].knet_transport = KNET_TRANSPORT_UDP;
+ if (!totem_config->interfaces[i].ip_port)
+ totem_config->interfaces[i].ip_port = DEFAULT_PORT + i;
+ }
+}
+
+
+static void configure_totem_links(struct totem_config *totem_config, icmap_map_t map)
+{
+ int i;
+
+ for (i = 0; i<INTERFACE_MAX; i++) {
+ if (!totem_config->interfaces[i].configured) {
+ continue;
+ }
+
+ log_printf(LOGSYS_LEVEL_INFO, "Configuring link %d\n", i);
+
+ totempg_iface_set(&totem_config->interfaces[i].local_ip, totem_config->interfaces[i].ip_port, i);
+ }
+}
+
+/* Check for differences in config that can't be done on-the-fly and print an error */
+static int check_things_have_not_changed(struct totem_config *totem_config, const char **error_string)
+{
+ int i,j,k;
+ const char *ip_str;
+ char addr_buf[INET6_ADDRSTRLEN];
+ int changed = 0;
+
+ for (i = 0; i<INTERFACE_MAX; i++) {
+ if (totem_config->interfaces[i].configured &&
+ totem_config->orig_interfaces[i].configured) {
+ if (totem_config->interfaces[i].knet_transport !=
+ totem_config->orig_interfaces[i].knet_transport) {
+ log_printf(LOGSYS_LEVEL_ERROR,
+ "New config has different knet transport for link %d. Internal value was NOT changed.\n", i);
+ changed = 1;
+ }
+
+ /* Check each nodeid in the new configuration and make sure its IP address on this link has not changed */
+ for (j=0; j < totem_config->interfaces[i].member_count; j++) {
+ for (k=0; k < totem_config->orig_interfaces[i].member_count; k++) {
+
+ if (totem_config->interfaces[i].member_list[j].nodeid ==
+ totem_config->orig_interfaces[i].member_list[k].nodeid) {
+
+ /* Found our nodeid - check the IP address */
+ if (memcmp(&totem_config->interfaces[i].member_list[j],
+ &totem_config->orig_interfaces[i].member_list[k],
+ sizeof(struct totem_ip_address))) {
+
+ ip_str = totemip_print(&totem_config->orig_interfaces[i].member_list[k]);
+
+ /* if ip_str is NULL then the old address was invalid and is allowed to change */
+ if (ip_str) {
+ strncpy(addr_buf, ip_str, sizeof(addr_buf));
+ addr_buf[sizeof(addr_buf) - 1] = '\0';
+ log_printf(LOGSYS_LEVEL_ERROR,
+ "new config has different address for link %d (addr changed from %s to %s). Internal value was NOT changed.\n",
+ i, addr_buf, totemip_print(&totem_config->interfaces[i].member_list[j]));
+ changed = 1;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (changed) {
+ snprintf (error_string_response, sizeof(error_string_response),
+ "To reconfigure an interface it must be deleted and recreated. A working interface needs to be available to corosync at all times");
+ *error_string = error_string_response;
+ return -1;
+ }
+ return 0;
+}
+
+
+static int put_nodelist_members_to_config(struct totem_config *totem_config, icmap_map_t map,
+ int reload, const char **error_string)
+{
+ icmap_iter_t iter, iter2;
+ const char *iter_key, *iter_key2;
+ int res = 0;
+ unsigned int node_pos;
+ char tmp_key[ICMAP_KEYNAME_MAXLEN];
+ char tmp_key2[ICMAP_KEYNAME_MAXLEN];
+ char *node_addr_str;
+ int member_count;
+ unsigned int linknumber = 0;
+ int i, j;
+ int last_node_pos = -1;
+
+ /* Clear out nodelist so we can put the new one in if needed */
+ for (i = 0; i < INTERFACE_MAX; i++) {
+ for (j = 0; j < PROCESSOR_COUNT_MAX; j++) {
+ memset(&totem_config->interfaces[i].member_list[j], 0, sizeof(struct totem_ip_address));
+ }
+ totem_config->interfaces[i].member_count = 0;
+ }
+
+ iter = icmap_iter_init_r(map, "nodelist.node.");
+ while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
+ res = sscanf(iter_key, "nodelist.node.%u.%s", &node_pos, tmp_key);
+ if (res != 2) {
+ continue;
+ }
+ /* If it's the same as the last node_pos then skip it */
+ if (node_pos == last_node_pos) {
+ continue;
+ }
+ last_node_pos = node_pos;
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
+ iter2 = icmap_iter_init_r(map, tmp_key);
+ while ((iter_key2 = icmap_iter_next(iter2, NULL, NULL)) != NULL) {
+ unsigned int nodeid;
+ char *str;
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
+ if (icmap_get_uint32_r(map, tmp_key, &nodeid) != CS_OK) {
+ nodeid = 0;
+ }
+
+ res = sscanf(iter_key2, "nodelist.node.%u.ring%u%s", &node_pos, &linknumber, tmp_key2);
+ if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
+ continue;
+ }
+ if (linknumber >= INTERFACE_MAX) {
+ snprintf (error_string_response, sizeof(error_string_response),
+ "parse error in config: interface ring number %u is bigger than allowed maximum %u\n",
+ linknumber, INTERFACE_MAX - 1);
+ *error_string = error_string_response;
+
+ icmap_iter_finalize(iter2);
+ icmap_iter_finalize(iter);
+ return (-1);
+ }
+
+ if (icmap_get_string_r(map, iter_key2, &node_addr_str) != CS_OK) {
+ continue;
+ }
+
+ /* Generate nodeids if they are not provided and transport is UDP/U */
+ if (!nodeid &&
+ (totem_config->transport_number == TOTEM_TRANSPORT_UDP ||
+ totem_config->transport_number == TOTEM_TRANSPORT_UDPU)) {
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos);
+ if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
+ nodeid = generate_nodeid(totem_config, str);
+ if (nodeid == -1) {
+ sprintf(error_string_response,
+ "An IPV6 network requires that a node ID be specified "
+ "for address '%s'.", node_addr_str);
+ *error_string = error_string_response;
+ free(str);
+
+ return (-1);
+ }
+
+ log_printf(LOGSYS_LEVEL_DEBUG,
+ "Generated nodeid = " CS_PRI_NODE_ID " for %s", nodeid, str);
+
+ free(str);
+ /*
+ * Put nodeid back to nodelist to make cfgtool work
+ */
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", node_pos);
+ /*
+ * Not critical
+ */
+ (void)icmap_set_uint32_r(map, tmp_key, nodeid);
+ }
+ }
+
+ if (!nodeid && totem_config->transport_number == TOTEM_TRANSPORT_KNET) {
+ sprintf(error_string_response,
+ "Knet requires an explicit nodeid to be specified "
+ "for address '%s'.", node_addr_str);
+ *error_string = error_string_response;
+
+ return (-1);
+ }
+
+ if (totem_config->transport_number == TOTEM_TRANSPORT_KNET && nodeid >= KNET_MAX_HOST) {
+ sprintf(error_string_response,
+ "Knet requires nodeid to be less than %u "
+ "for address '%s'.", KNET_MAX_HOST, node_addr_str);
+ *error_string = error_string_response;
+
+ return (-1);
+ }
+
+ member_count = totem_config->interfaces[linknumber].member_count;
+ res = totemip_parse(&totem_config->interfaces[linknumber].member_list[member_count],
+ node_addr_str, totem_config->ip_version);
+ if (res == 0) {
+ totem_config->interfaces[linknumber].member_list[member_count].nodeid = nodeid;
+ totem_config->interfaces[linknumber].member_count++;
+ totem_config->interfaces[linknumber].configured = 1;
+ } else {
+ sprintf(error_string_response, "failed to parse node address '%s'\n", node_addr_str);
+ *error_string = error_string_response;
+
+ memset(&totem_config->interfaces[linknumber].member_list[member_count], 0,
+ sizeof(struct totem_ip_address));
+
+ free(node_addr_str);
+ icmap_iter_finalize(iter2);
+ icmap_iter_finalize(iter);
+ return -1;
+ }
+
+ free(node_addr_str);
+ }
+
+ icmap_iter_finalize(iter2);
+ }
+
+ icmap_iter_finalize(iter);
+
+ configure_link_params(totem_config, map);
+ if (reload) {
+ log_printf(LOGSYS_LEVEL_DEBUG, "About to reconfigure links from nodelist.\n");
+
+ if (check_things_have_not_changed(totem_config, error_string) == -1) {
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static void config_convert_nodelist_to_interface(icmap_map_t map, struct totem_config *totem_config)
+{
+ int res = 0;
+ int node_pos;
+ char tmp_key[ICMAP_KEYNAME_MAXLEN];
+ char tmp_key2[ICMAP_KEYNAME_MAXLEN];
+ char *node_addr_str;
+ unsigned int linknumber = 0;
+ icmap_iter_t iter;
+ const char *iter_key;
+
+ node_pos = find_local_node(map, 1);
+ if (node_pos > -1) {
+ /*
+ * We found node, so create interface section
+ */
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
+ iter = icmap_iter_init_r(map, tmp_key);
+ while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
+ res = sscanf(iter_key, "nodelist.node.%u.ring%u%s", &node_pos, &linknumber, tmp_key2);
+ if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
+ continue ;
+ }
+
+ if (icmap_get_string_r(map, iter_key, &node_addr_str) != CS_OK) {
+ continue;
+ }
+
+ snprintf(tmp_key2, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", linknumber);
+ icmap_set_string_r(map, tmp_key2, node_addr_str);
+ free(node_addr_str);
+ }
+ icmap_iter_finalize(iter);
+ }
+}
+
+static int get_interface_params(struct totem_config *totem_config, icmap_map_t map,
+ const char **error_string, uint64_t *warnings,
+ int reload)
+{
+ int res = 0;
+ unsigned int linknumber = 0;
+ int member_count = 0;
+ int i;
+ icmap_iter_t iter, member_iter;
+ const char *iter_key;
+ const char *member_iter_key;
+ char linknumber_key[ICMAP_KEYNAME_MAXLEN];
+ char tmp_key[ICMAP_KEYNAME_MAXLEN];
+ uint8_t u8;
+ uint32_t u32;
+ char *str;
+ char *cluster_name = NULL;
+ enum totem_ip_version_enum tmp_ip_version = TOTEM_IP_VERSION_4;
+ int ret = 0;
+
+ if (reload) {
+ for (i=0; i<INTERFACE_MAX; i++) {
+ /*
+ * Set back to defaults things that might have been configured and
+ * now have been taken out of corosync.conf. These won't be caught by the
+ * code below which only looks at interface{} sections that actually exist.
+ */
+ totem_config->interfaces[i].configured = 0;
+ totem_config->interfaces[i].knet_ping_timeout = 0;
+ totem_config->interfaces[i].knet_ping_interval = 0;
+ totem_config->interfaces[i].knet_ping_precision = KNET_PING_PRECISION;
+ totem_config->interfaces[i].knet_pong_count = KNET_PONG_COUNT;
+ }
+ }
+ if (icmap_get_string_r(map, "totem.cluster_name", &cluster_name) != CS_OK) {
+ cluster_name = NULL;
+ }
+
+ iter = icmap_iter_init_r(map, "totem.interface.");
+ while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
+ res = sscanf(iter_key, "totem.interface.%[^.].%s", linknumber_key, tmp_key);
+ if (res != 2) {
+ continue;
+ }
+
+ if (strcmp(tmp_key, "bindnetaddr") != 0 && totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
+ continue;
+ }
+
+ member_count = 0;
+ linknumber = atoi(linknumber_key);
+
+ if (linknumber >= INTERFACE_MAX) {
+ snprintf (error_string_response, sizeof(error_string_response),
+ "parse error in config: interface ring number %u is bigger than allowed maximum %u\n",
+ linknumber, INTERFACE_MAX - 1);
+
+ *error_string = error_string_response;
+ ret = -1;
+ goto out;
+ }
+
+ /* These things are only valid for the initial read */
+ if (!reload) {
+ /*
+ * Get the bind net address
+ */
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", linknumber);
+
+ if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
+ res = totemip_parse (&totem_config->interfaces[linknumber].bindnet, str,
+ totem_config->ip_version);
+
+ if (res) {
+ sprintf(error_string_response, "failed to parse bindnet address '%s'\n", str);
+ *error_string = error_string_response;
+ free(str);
+
+ ret = -1;
+ goto out;
+ }
+
+ free(str);
+ }
+
+ /*
+ * Get interface multicast address
+ */
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", linknumber);
+ if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
+ res = totemip_parse (&totem_config->interfaces[linknumber].mcast_addr, str,
+ totem_config->ip_version);
+
+ if (res) {
+ sprintf(error_string_response, "failed to parse mcast address '%s'\n", str);
+ *error_string = error_string_response;
+ free(str);
+
+ ret = -1;
+ goto out;
+ }
+
+ free(str);
+ } else if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
+ /*
+ * User not specified address -> autogenerate one from cluster_name key
+ * (if available). Return code is intentionally ignored, because
+ * udpu doesn't need mcastaddr and validity of mcastaddr for udp is
+ * checked later anyway.
+ */
+
+ if (totem_config->interfaces[0].bindnet.family == AF_INET) {
+ tmp_ip_version = TOTEM_IP_VERSION_4;
+ } else if (totem_config->interfaces[0].bindnet.family == AF_INET6) {
+ tmp_ip_version = TOTEM_IP_VERSION_6;
+ }
+
+ (void)get_cluster_mcast_addr (cluster_name,
+ linknumber,
+ tmp_ip_version,
+ &totem_config->interfaces[linknumber].mcast_addr);
+ }
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.broadcast", linknumber);
+ if (icmap_get_string(tmp_key, &str) == CS_OK) {
+ if (strcmp (str, "yes") == 0) {
+ totem_config->broadcast_use = 1;
+ }
+ free(str);
+ }
+ }
+
+ /* These things are only valid for the initial read OR a newly-defined link */
+ if (!reload || (totem_config->interfaces[linknumber].configured == 0)) {
+
+ /*
+ * Get mcast port
+ */
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", linknumber);
+ if (icmap_get_uint16_r(map, tmp_key, &totem_config->interfaces[linknumber].ip_port) != CS_OK) {
+ if (totem_config->broadcast_use) {
+ totem_config->interfaces[linknumber].ip_port = DEFAULT_PORT + (2 * linknumber);
+ } else {
+ totem_config->interfaces[linknumber].ip_port = DEFAULT_PORT + linknumber;
+ }
+ }
+
+ /*
+ * Get the TTL
+ */
+ totem_config->interfaces[linknumber].ttl = 1;
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.ttl", linknumber);
+
+ if (icmap_get_uint8_r(map, tmp_key, &u8) == CS_OK) {
+ totem_config->interfaces[linknumber].ttl = u8;
+ }
+
+ totem_config->interfaces[linknumber].knet_transport = KNET_DEFAULT_TRANSPORT;
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_transport", linknumber);
+ if (icmap_get_string_r(map, tmp_key, &str) == CS_OK) {
+ if (strcmp(str, "sctp") == 0) {
+ totem_config->interfaces[linknumber].knet_transport = KNET_TRANSPORT_SCTP;
+ }
+ else if (strcmp(str, "udp") == 0) {
+ totem_config->interfaces[linknumber].knet_transport = KNET_TRANSPORT_UDP;
+ }
+ else {
+ *error_string = "Unrecognised knet_transport. expected 'udp' or 'sctp'";
+ ret = -1;
+ goto out;
+ }
+ }
+ }
+ totem_config->interfaces[linknumber].configured = 1;
+
+ /*
+ * Get the knet link params
+ */
+ totem_config->interfaces[linknumber].knet_link_priority = 1;
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_link_priority", linknumber);
+
+ if (icmap_get_uint8_r(map, tmp_key, &u8) == CS_OK) {
+ totem_config->interfaces[linknumber].knet_link_priority = u8;
+ }
+
+ totem_config->interfaces[linknumber].knet_ping_interval = 0; /* real default applied later */
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_interval", linknumber);
+ if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
+ totem_config->interfaces[linknumber].knet_ping_interval = u32;
+ }
+ totem_config->interfaces[linknumber].knet_ping_timeout = 0; /* real default applied later */
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_timeout", linknumber);
+ if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
+ totem_config->interfaces[linknumber].knet_ping_timeout = u32;
+ }
+ totem_config->interfaces[linknumber].knet_ping_precision = KNET_PING_PRECISION;
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_ping_precision", linknumber);
+ if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
+ totem_config->interfaces[linknumber].knet_ping_precision = u32;
+ }
+ totem_config->interfaces[linknumber].knet_pong_count = KNET_PONG_COUNT;
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.knet_pong_count", linknumber);
+ if (icmap_get_uint32_r(map, tmp_key, &u32) == CS_OK) {
+ totem_config->interfaces[linknumber].knet_pong_count = u32;
+ }
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.member.", linknumber);
+ member_iter = icmap_iter_init_r(map, tmp_key);
+ while ((member_iter_key = icmap_iter_next(member_iter, NULL, NULL)) != NULL) {
+ if (member_count == 0) {
+ if (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK) {
+ free(str);
+ *warnings |= TOTEM_CONFIG_WARNING_MEMBERS_IGNORED;
+ break;
+ } else {
+ *warnings |= TOTEM_CONFIG_WARNING_MEMBERS_DEPRECATED;
+ }
+ }
+
+ if (icmap_get_string_r(map, member_iter_key, &str) == CS_OK) {
+ res = totemip_parse (&totem_config->interfaces[linknumber].member_list[member_count++],
+ str, totem_config->ip_version);
+ if (res) {
+ sprintf(error_string_response, "failed to parse node address '%s'\n", str);
+ *error_string = error_string_response;
+
+ icmap_iter_finalize(member_iter);
+ free(str);
+ ret = -1;
+ goto out;
+ }
+
+ free(str);
+ }
+ }
+ icmap_iter_finalize(member_iter);
+
+ totem_config->interfaces[linknumber].member_count = member_count;
+
+ }
+
+out:
+ icmap_iter_finalize(iter);
+ free(cluster_name);
+
+ return (ret);
+}
+
+extern int totem_config_read (
+ struct totem_config *totem_config,
+ const char **error_string,
+ uint64_t *warnings)
+{
+ int res = 0;
+ char *str, *ring0_addr_str;
+ char tmp_key[ICMAP_KEYNAME_MAXLEN];
+ uint16_t u16;
+ int i;
+ int local_node_pos;
+ uint32_t u32;
+
+ *warnings = 0;
+
+ memset (totem_config, 0, sizeof (struct totem_config));
+ totem_config->interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
+ if (totem_config->interfaces == 0) {
+ *error_string = "Out of memory trying to allocate ethernet interface storage area";
+ return -1;
+ }
+
+ totem_config->transport_number = TOTEM_TRANSPORT_KNET;
+ if (icmap_get_string("totem.transport", &str) == CS_OK) {
+ if (strcmp (str, "udpu") == 0) {
+ totem_config->transport_number = TOTEM_TRANSPORT_UDPU;
+ } else if (strcmp (str, "udp") == 0) {
+ totem_config->transport_number = TOTEM_TRANSPORT_UDP;
+ } else if (strcmp (str, "knet") == 0) {
+ totem_config->transport_number = TOTEM_TRANSPORT_KNET;
+ } else {
+ *error_string = "Invalid transport type. Should be udpu, udp or knet";
+ free(str);
+ return -1;
+ }
+
+ free(str);
+ }
+
+ memset (totem_config->interfaces, 0,
+ sizeof (struct totem_interface) * INTERFACE_MAX);
+
+ strcpy (totem_config->link_mode, "passive");
+
+ icmap_get_uint32("totem.version", (uint32_t *)&totem_config->version);
+
+ /* initial crypto load */
+ if (totem_get_crypto(totem_config, icmap_get_global_map(), error_string) != 0) {
+ return -1;
+ }
+ if (totem_config_keyread(totem_config, icmap_get_global_map(), error_string) != 0) {
+ return -1;
+ }
+ totem_config->crypto_index = 1;
+ totem_config->crypto_changed = 0;
+
+ if (icmap_get_string("totem.link_mode", &str) == CS_OK) {
+ if (strlen(str) >= TOTEM_LINK_MODE_BYTES) {
+ *error_string = "totem.link_mode is too long";
+ free(str);
+
+ return -1;
+ }
+ strcpy (totem_config->link_mode, str);
+ free(str);
+ }
+
+ if (icmap_get_uint32("totem.nodeid", &u32) == CS_OK) {
+ *warnings |= TOTEM_CONFIG_WARNING_TOTEM_NODEID_SET;
+ }
+
+ totem_config->clear_node_high_bit = 0;
+ if (icmap_get_string("totem.clear_node_high_bit", &str) == CS_OK) {
+ if (strcmp (str, "yes") == 0) {
+ totem_config->clear_node_high_bit = 1;
+ }
+ free(str);
+ }
+
+ icmap_get_uint32("totem.threads", &totem_config->threads);
+
+ icmap_get_uint32("totem.netmtu", &totem_config->net_mtu);
+
+ totem_config->ip_version = totem_config_get_ip_version(totem_config);
+
+ if (icmap_get_string("totem.interface.0.bindnetaddr", &str) != CS_OK) {
+ /*
+ * We were not able to find ring 0 bindnet addr. Try to use nodelist informations
+ */
+ config_convert_nodelist_to_interface(icmap_get_global_map(), totem_config);
+ } else {
+ if (icmap_get_string("nodelist.node.0.ring0_addr", &ring0_addr_str) == CS_OK) {
+ /*
+ * Both bindnetaddr and ring0_addr are set.
+ * Log warning information, and use nodelist instead
+ */
+ *warnings |= TOTEM_CONFIG_BINDNETADDR_NODELIST_SET;
+
+ config_convert_nodelist_to_interface(icmap_get_global_map(), totem_config);
+
+ free(ring0_addr_str);
+ }
+
+ free(str);
+ }
+
+ /*
+ * Broadcast option is global but set in interface section,
+ * so reset before processing interfaces.
+ */
+ totem_config->broadcast_use = 0;
+
+ res = get_interface_params(totem_config, icmap_get_global_map(), error_string, warnings, 0);
+ if (res < 0) {
+ return res;
+ }
+
+ /*
+ * Use broadcast is global, so if set, make sure to fill mcast addr correctly
+ * broadcast is only supported for UDP so just do interface 0;
+ */
+ if (totem_config->broadcast_use) {
+ totemip_parse (&totem_config->interfaces[0].mcast_addr,
+ "255.255.255.255", TOTEM_IP_VERSION_4);
+ }
+
+
+ /*
+ * Store automatically generated items back to icmap only for UDP
+ */
+ if (totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
+ for (i = 0; i < INTERFACE_MAX; i++) {
+ if (!totem_config->interfaces[i].configured) {
+ continue;
+ }
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", i);
+ if (icmap_get_string(tmp_key, &str) == CS_OK) {
+ free(str);
+ } else {
+ str = (char *)totemip_print(&totem_config->interfaces[i].mcast_addr);
+ icmap_set_string(tmp_key, str);
+ }
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", i);
+ if (icmap_get_uint16(tmp_key, &u16) != CS_OK) {
+ icmap_set_uint16(tmp_key, totem_config->interfaces[i].ip_port);
+ }
+ }
+ }
+
+ /*
+ * Check existence of nodelist
+ */
+ if ((icmap_get_string("nodelist.node.0.name", &str) == CS_OK) ||
+ (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK)) {
+ free(str);
+ /*
+ * find local node
+ */
+ local_node_pos = find_local_node(icmap_get_global_map(), 1);
+ if (local_node_pos != -1) {
+
+ assert(totem_config->node_id == 0);
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", local_node_pos);
+ (void)icmap_get_uint32(tmp_key, &totem_config->node_id);
+
+
+ if ((totem_config->transport_number == TOTEM_TRANSPORT_KNET) && (!totem_config->node_id)) {
+ *error_string = "Knet requires an explicit nodeid for the local node";
+ return -1;
+ }
+
+ if ((totem_config->transport_number == TOTEM_TRANSPORT_UDP ||
+ totem_config->transport_number == TOTEM_TRANSPORT_UDPU) && (!totem_config->node_id)) {
+
+ snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", local_node_pos);
+ icmap_get_string(tmp_key, &str);
+
+ totem_config->node_id = generate_nodeid(totem_config, str);
+ if (totem_config->node_id == -1) {
+ *error_string = "An IPV6 network requires that a node ID be specified";
+
+ free(str);
+ return (-1);
+ }
+
+ totem_config->interfaces[0].member_list[local_node_pos].nodeid = totem_config->node_id;
+
+ free(str);
+ }
+
+ /* Users must not change this */
+ icmap_set_ro_access("nodelist.local_node_pos", 0, 1);
+ }
+
+ if (put_nodelist_members_to_config(totem_config, icmap_get_global_map(), 0, error_string)) {
+ return -1;
+ }
+ }
+
+ /*
+ * Get things that might change in the future (and can depend on totem_config->interfaces);
+ */
+ totem_volatile_config_read(totem_config, icmap_get_global_map(), NULL);
+
+ calc_knet_ping_timers(totem_config);
+
+ /* This is now done in the totemknet interface callback */
+ /* configure_totem_links(totem_config, icmap_get_global_map()); */
+
+ add_totem_config_notification(totem_config);
+
+ return 0;
+}
+
+
+int totem_config_validate (
+ struct totem_config *totem_config,
+ const char **error_string)
+{
+ static char local_error_reason[512];
+ char parse_error[512];
+ const char *error_reason = local_error_reason;
+ int i;
+ uint32_t u32;
+ int num_configured = 0;
+ unsigned int interface_max = INTERFACE_MAX;
+
+ for (i = 0; i < INTERFACE_MAX; i++) {
+ if (totem_config->interfaces[i].configured) {
+ num_configured++;
+ }
+ }
+ if (num_configured == 0) {
+ error_reason = "No interfaces defined";
+ goto parse_error;
+ }
+
+ /* Check we found a local node name */
+ if (icmap_get_uint32("nodelist.local_node_pos", &u32) != CS_OK) {
+ error_reason = "No valid name found for local host";
+ goto parse_error;
+ }
+
+ for (i = 0; i < INTERFACE_MAX; i++) {
+ /*
+ * Some error checking of parsed data to make sure its valid
+ */
+
+ struct totem_ip_address null_addr;
+
+ if (!totem_config->interfaces[i].configured) {
+ continue;
+ }
+
+ memset (&null_addr, 0, sizeof (struct totem_ip_address));
+
+ if ((totem_config->transport_number == TOTEM_TRANSPORT_UDP) &&
+ memcmp (&totem_config->interfaces[i].mcast_addr, &null_addr,
+ sizeof (struct totem_ip_address)) == 0) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "No multicast address specified for interface %u", i);
+ goto parse_error;
+ }
+
+ if (totem_config->interfaces[i].ip_port == 0) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "No multicast port specified for interface %u", i);
+ goto parse_error;
+ }
+
+ if (totem_config->interfaces[i].ttl > 255) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "Invalid TTL (should be 0..255) for interface %u", i);
+ goto parse_error;
+ }
+ if (totem_config->transport_number != TOTEM_TRANSPORT_UDP &&
+ totem_config->interfaces[i].ttl != 1) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "Can only set ttl on multicast transport types for interface %u", i);
+ goto parse_error;
+ }
+ if (totem_config->interfaces[i].knet_link_priority > 255) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "Invalid link priority (should be 0..255) for interface %u", i);
+ goto parse_error;
+ }
+ if (totem_config->transport_number != TOTEM_TRANSPORT_KNET &&
+ totem_config->interfaces[i].knet_link_priority != 1) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "Can only set link priority on knet transport type for interface %u", i);
+ goto parse_error;
+ }
+
+ if (totem_config->interfaces[i].mcast_addr.family == AF_INET6 &&
+ totem_config->node_id == 0) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "An IPV6 network requires that a node ID be specified for interface %u", i);
+ goto parse_error;
+ }
+
+ if (totem_config->broadcast_use == 0 && totem_config->transport_number == TOTEM_TRANSPORT_UDP) {
+ if (totem_config->interfaces[i].mcast_addr.family != totem_config->interfaces[i].bindnet.family) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "Multicast address family does not match bind address family for interface %u", i);
+ goto parse_error;
+ }
+
+ if (totemip_is_mcast (&totem_config->interfaces[i].mcast_addr) != 0) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "mcastaddr is not a correct multicast address for interface %u", i);
+ goto parse_error;
+ }
+ }
+ }
+
+ if (totem_config->version != 2) {
+ error_reason = "This totem parser can only parse version 2 configurations.";
+ goto parse_error;
+ }
+
+ if (totem_volatile_config_validate(totem_config, icmap_get_global_map(), error_string) == -1) {
+ return (-1);
+ }
+
+ if (check_for_duplicate_nodeids(totem_config, error_string) == -1) {
+ return (-1);
+ }
+
+ /*
+ * KNET Link values validation
+ */
+ if (strcmp (totem_config->link_mode, "active") &&
+ strcmp (totem_config->link_mode, "rr") &&
+ strcmp (totem_config->link_mode, "passive")) {
+ snprintf (local_error_reason, sizeof(local_error_reason),
+ "The Knet link mode \"%s\" specified is invalid. It must be active, passive or rr.\n", totem_config->link_mode);
+ goto parse_error;
+ }
+
+ /* Only Knet does multiple interfaces */
+ if (totem_config->transport_number != TOTEM_TRANSPORT_KNET) {
+ interface_max = 1;
+ }
+
+ if (interface_max < num_configured) {
+ snprintf (parse_error, sizeof(parse_error),
+ "%d is too many configured interfaces for non-Knet transport.",
+ num_configured);
+ error_reason = parse_error;
+ goto parse_error;
+ }
+
+ /* Only knet allows crypto */
+ if (totem_config->transport_number != TOTEM_TRANSPORT_KNET) {
+ if ((strcmp(totem_config->crypto_cipher_type, "none") != 0) ||
+ (strcmp(totem_config->crypto_hash_type, "none") != 0)) {
+
+ snprintf (parse_error, sizeof(parse_error),
+ "crypto_cipher & crypto_hash are only valid for the Knet transport.");
+ error_reason = parse_error;
+ goto parse_error;
+ }
+ }
+
+ if (totem_config->net_mtu == 0) {
+ if (totem_config->transport_number == TOTEM_TRANSPORT_KNET) {
+ totem_config->net_mtu = KNET_MAX_PACKET_SIZE;
+ }
+ else {
+ totem_config->net_mtu = UDP_NETMTU;
+ }
+ }
+
+ return 0;
+
+parse_error:
+ snprintf (error_string_response, sizeof(error_string_response),
+ "parse error in config: %s\n", error_reason);
+ *error_string = error_string_response;
+ return (-1);
+
+}
+
+static int read_keyfile (
+ const char *key_location,
+ struct totem_config *totem_config,
+ const char **error_string)
+{
+ int fd;
+ int res;
+ int saved_errno;
+ char error_str[100];
+ const char *error_ptr;
+
+ fd = open (key_location, O_RDONLY);
+ if (fd == -1) {
+ error_ptr = qb_strerror_r(errno, error_str, sizeof(error_str));
+ snprintf (error_string_response, sizeof(error_string_response),
+ "Could not open %s: %s\n",
+ key_location, error_ptr);
+ goto parse_error;
+ }
+
+ res = read (fd, totem_config->private_key, TOTEM_PRIVATE_KEY_LEN_MAX);
+ saved_errno = errno;
+ close (fd);
+
+ if (res == -1) {
+ error_ptr = qb_strerror_r (saved_errno, error_str, sizeof(error_str));
+ snprintf (error_string_response, sizeof(error_string_response),
+ "Could not read %s: %s\n",
+ key_location, error_ptr);
+ goto parse_error;
+ }
+
+ if (res < TOTEM_PRIVATE_KEY_LEN_MIN) {
+ snprintf (error_string_response, sizeof(error_string_response),
+ "Could only read %d bits of minimum %u bits from %s.\n",
+ res * 8, TOTEM_PRIVATE_KEY_LEN_MIN * 8, key_location);
+ goto parse_error;
+ }
+
+ totem_config->private_key_len = res;
+
+ return 0;
+
+parse_error:
+ *error_string = error_string_response;
+ return (-1);
+}
+
+int totem_config_keyread (
+ struct totem_config *totem_config,
+ icmap_map_t map,
+ const char **error_string)
+{
+ int got_key = 0;
+ char *key_location = NULL;
+ int res;
+ size_t key_len;
+ char old_key[TOTEM_PRIVATE_KEY_LEN_MAX];
+ size_t old_key_len;
+
+ /* Take a copy so we can see if it has changed */
+ memcpy(old_key, totem_config->private_key, sizeof(totem_config->private_key));
+ old_key_len = totem_config->private_key_len;
+
+ memset (totem_config->private_key, 0, sizeof(totem_config->private_key));
+ totem_config->private_key_len = 0;
+
+ if (strcmp(totem_config->crypto_cipher_type, "none") == 0 &&
+ strcmp(totem_config->crypto_hash_type, "none") == 0) {
+ return (0);
+ }
+
+ /* cmap may store the location of the key file */
+ if (icmap_get_string_r(map, "totem.keyfile", &key_location) == CS_OK) {
+ res = read_keyfile(key_location, totem_config, error_string);
+ free(key_location);
+ if (res) {
+ goto key_error;
+ }
+ got_key = 1;
+ } else { /* Or the key itself may be in the cmap */
+ if (icmap_get_r(map, "totem.key", NULL, &key_len, NULL) == CS_OK) {
+ if (key_len > sizeof(totem_config->private_key)) {
+ sprintf(error_string_response, "key is too long");
+ goto key_error;
+ }
+ if (key_len < TOTEM_PRIVATE_KEY_LEN_MIN) {
+ sprintf(error_string_response, "key is too short");
+ goto key_error;
+ }
+ if (icmap_get_r(map, "totem.key", totem_config->private_key, &key_len, NULL) == CS_OK) {
+ totem_config->private_key_len = key_len;
+ got_key = 1;
+ } else {
+ sprintf(error_string_response, "can't load private key");
+ goto key_error;
+ }
+ }
+ }
+
+ /* In desperation we read the default filename */
+ if (!got_key) {
+ res = read_keyfile(COROSYSCONFDIR "/authkey", totem_config, error_string);
+ if (res)
+ goto key_error;
+ }
+
+ if (old_key_len != totem_config->private_key_len ||
+ memcmp(old_key, totem_config->private_key, sizeof(totem_config->private_key))) {
+ totem_config->crypto_changed = 1;
+ }
+
+ return (0);
+
+key_error:
+ *error_string = error_string_response;
+ return (-1);
+
+}
+
+int totem_reread_crypto_config(struct totem_config *totem_config, icmap_map_t map, const char **error_string)
+{
+ if (totem_get_crypto(totem_config, map, error_string) != 0) {
+ return -1;
+ }
+ if (totem_config_keyread(totem_config, map, error_string) != 0) {
+ return -1;
+ }
+ return 0;
+}
+
+static void debug_dump_totem_config(const struct totem_config *totem_config)
+{
+
+ log_printf(LOGSYS_LEVEL_DEBUG, "Token Timeout (%d ms) retransmit timeout (%d ms)",
+ totem_config->token_timeout, totem_config->token_retransmit_timeout);
+ if (totem_config->token_warning) {
+ uint32_t token_warning_ms = totem_config->token_warning * totem_config->token_timeout / 100;
+ log_printf(LOGSYS_LEVEL_DEBUG, "Token warning every %d ms (%d%% of Token Timeout)",
+ token_warning_ms, totem_config->token_warning);
+ if (token_warning_ms < totem_config->token_retransmit_timeout)
+ log_printf (LOGSYS_LEVEL_DEBUG,
+ "The token warning interval (%d ms) is less than the token retransmit timeout (%d ms) "
+ "which can lead to spurious token warnings. Consider increasing the token_warning parameter.",
+ token_warning_ms, totem_config->token_retransmit_timeout);
+
+ } else
+ log_printf(LOGSYS_LEVEL_DEBUG, "Token warnings disabled");
+ log_printf(LOGSYS_LEVEL_DEBUG, "token hold (%d ms) retransmits before loss (%d retrans)",
+ totem_config->token_hold_timeout, totem_config->token_retransmits_before_loss_const);
+ log_printf(LOGSYS_LEVEL_DEBUG, "join (%d ms) send_join (%d ms) consensus (%d ms) merge (%d ms)",
+ totem_config->join_timeout, totem_config->send_join_timeout, totem_config->consensus_timeout,
+ totem_config->merge_timeout);
+ log_printf(LOGSYS_LEVEL_DEBUG, "downcheck (%d ms) fail to recv const (%d msgs)",
+ totem_config->downcheck_timeout, totem_config->fail_to_recv_const);
+ log_printf(LOGSYS_LEVEL_DEBUG,
+ "seqno unchanged const (%d rotations) Maximum network MTU %d",
+ totem_config->seqno_unchanged_const, totem_config->net_mtu);
+ log_printf(LOGSYS_LEVEL_DEBUG,
+ "window size per rotation (%d messages) maximum messages per rotation (%d messages)",
+ totem_config->window_size, totem_config->max_messages);
+ log_printf(LOGSYS_LEVEL_DEBUG, "missed count const (%d messages)", totem_config->miss_count_const);
+ log_printf(LOGSYS_LEVEL_DEBUG, "heartbeat_failures_allowed (%d)",
+ totem_config->heartbeat_failures_allowed);
+ log_printf(LOGSYS_LEVEL_DEBUG, "max_network_delay (%d ms)", totem_config->max_network_delay);
+}
+
+
+static void totem_change_notify(
+ int32_t event,
+ const char *key_name,
+ struct icmap_notify_value new_val,
+ struct icmap_notify_value old_val,
+ void *user_data)
+{
+ struct totem_config *totem_config = (struct totem_config *)user_data;
+ uint32_t *param;
+ uint8_t reloading;
+ const char *deleted_key = NULL;
+ const char *error_string;
+
+ /*
+ * If a full reload is in progress then don't do anything until it's done and
+ * can reconfigure it all atomically
+ */
+ if (icmap_get_uint8("config.reload_in_progress", &reloading) == CS_OK && reloading)
+ return;
+
+ param = totem_get_param_by_name((struct totem_config *)user_data, key_name);
+ /*
+ * Process change only if changed key is found in totem_config (-> param is not NULL)
+ * or for special key token_coefficient. token_coefficient key is not stored in
+ * totem_config, but it is used for computation of token timeout.
+ */
+ if (!param && strcmp(key_name, "totem.token_coefficient") != 0)
+ return;
+
+ /*
+ * Values other than UINT32 are not supported, or needed (yet)
+ */
+ switch (event) {
+ case ICMAP_TRACK_DELETE:
+ deleted_key = key_name;
+ break;
+ case ICMAP_TRACK_ADD:
+ case ICMAP_TRACK_MODIFY:
+ deleted_key = NULL;
+ break;
+ default:
+ break;
+ }
+
+ totem_volatile_config_read (totem_config, icmap_get_global_map(), deleted_key);
+ log_printf(LOGSYS_LEVEL_DEBUG, "Totem related config key changed. Dumping actual totem config.");
+ debug_dump_totem_config(totem_config);
+ if (totem_volatile_config_validate(totem_config, icmap_get_global_map(), &error_string) == -1) {
+ log_printf (LOGSYS_LEVEL_ERROR, "%s", error_string);
+ /*
+ * TODO: Consider corosync exit and/or load defaults for volatile
+ * values. For now, log error seems to be enough
+ */
+ }
+}
+
+
+int totemconfig_configure_new_params(
+ struct totem_config *totem_config,
+ icmap_map_t map,
+ const char **error_string)
+{
+ uint64_t warnings = 0LL;
+
+ get_interface_params(totem_config, map, error_string, &warnings, 1);
+ if (put_nodelist_members_to_config (totem_config, map, 1, error_string)) {
+ return -1;
+ }
+
+ calc_knet_ping_timers(totem_config);
+
+ log_printf(LOGSYS_LEVEL_DEBUG, "Configuration reloaded. Dumping actual totem config.");
+ debug_dump_totem_config(totem_config);
+
+ /* Reinstate the local_node_pos */
+ (void)find_local_node(map, 0);
+
+ return 0;
+}
+
+int totemconfig_commit_new_params(
+ struct totem_config *totem_config,
+ icmap_map_t map)
+{
+ int res;
+ struct totem_interface *new_interfaces = NULL;
+
+ new_interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
+ assert(new_interfaces != NULL);
+ memcpy(new_interfaces, totem_config->interfaces, sizeof (struct totem_interface) * INTERFACE_MAX);
+
+ /* Set link parameters including local_ip */
+ configure_totem_links(totem_config, map);
+
+ /* Add & remove nodes & link properties */
+ res = compute_and_set_totempg_interfaces(totem_config->orig_interfaces, new_interfaces);
+
+ /* Does basic global params (like compression) */
+ totempg_reconfigure();
+
+ free(new_interfaces);
+ return res; /* On a reload this is ignored */
+}
+
+static void add_totem_config_notification(struct totem_config *totem_config)
+{
+ icmap_track_t icmap_track;
+
+ icmap_track_add("totem.",
+ ICMAP_TRACK_ADD | ICMAP_TRACK_DELETE | ICMAP_TRACK_MODIFY | ICMAP_TRACK_PREFIX,
+ totem_change_notify,
+ totem_config,
+ &icmap_track);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 15:22:17 +0000