static void totem_dynamic_notify(
int32_t event,
const char *key_name,
struct icmap_notify_value new_val,
struct icmap_notify_value old_val,
void *user_data)
{
int res;
int ring_no;
int member_no;
struct totem_ip_address member;
int add_new_member = 0;
int remove_old_member = 0;
char tmp_str[ICMAP_KEYNAME_MAXLEN];
res = sscanf(key_name, "nodelist.node.%u.ring%u%s", &member_no, &ring_no, tmp_str);
if (res != 3)
return ;
if (strcmp(tmp_str, "_addr") != 0) {
return;
}
if (event == ICMAP_TRACK_ADD && new_val.type == ICMAP_VALUETYPE_STRING) {
add_new_member = 1;
}
if (event == ICMAP_TRACK_DELETE && old_val.type == ICMAP_VALUETYPE_STRING) {
remove_old_member = 1;
}
if (event == ICMAP_TRACK_MODIFY && new_val.type == ICMAP_VALUETYPE_STRING &&
old_val.type == ICMAP_VALUETYPE_STRING) {
add_new_member = 1;
remove_old_member = 1;
}
if (remove_old_member) {
log_printf(LOGSYS_LEVEL_DEBUG,
"removing dynamic member %s for ring %u", (char *)old_val.data, ring_no);
if (totemip_parse(&member, (char *)old_val.data, ip_version) == 0) {
totempg_member_remove (&member, ring_no);
}
}
if (add_new_member) {
log_printf(LOGSYS_LEVEL_DEBUG,
"adding dynamic member %s for ring %u", (char *)new_val.data, ring_no);
if (totemip_parse(&member, (char *)new_val.data, ip_version) == 0) {
totempg_member_add (&member, ring_no);
}
}
}
static int get_cluster_mcast_addr (
const char *cluster_name,
const struct totem_ip_address *bindnet,
unsigned int ringnumber,
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) + ringnumber;
memset (res, 0, sizeof(res));
switch (bindnet->family) {
case AF_INET:
snprintf(addr, sizeof(addr), "239.192.%d.%d", clusterid >> 8, clusterid % 0xFF);
break;
case AF_INET6:
snprintf(addr, sizeof(addr), "ff15::%x", clusterid);
break;
default:
/*
* Unknown family
*/
return (-1);
}
err = totemip_parse (res, addr, 0);
return (err);
}
static void put_nodelist_members_to_config(struct totem_config *totem_config)
{
icmap_iter_t iter, iter2;
const char *iter_key, *iter_key2;
int res = 0;
int node_pos;
char tmp_key[ICMAP_KEYNAME_MAXLEN];
char tmp_key2[ICMAP_KEYNAME_MAXLEN];
char *node_addr_str;
int member_count;
unsigned int ringnumber = 0;
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;
}
if (strcmp(tmp_key, "ring0_addr") != 0) {
continue;
}
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
iter2 = icmap_iter_init(tmp_key);
while ((iter_key2 = icmap_iter_next(iter2, NULL, NULL)) != NULL) {
res = sscanf(iter_key2, "nodelist.node.%u.ring%u%s", &node_pos, &ringnumber, tmp_key2);
if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
continue;
}
if (icmap_get_string(iter_key2, &node_addr_str) != CS_OK) {
continue;
}
member_count = totem_config->interfaces[ringnumber].member_count;
res = totemip_parse(&totem_config->interfaces[ringnumber].member_list[member_count],
node_addr_str, 0);
if (res != -1) {
totem_config->interfaces[ringnumber].member_count++;
}
free(node_addr_str);
}
icmap_iter_finalize(iter2);
}
icmap_iter_finalize(iter);
}
static int find_local_node_in_nodelist(struct totem_config *totem_config)
{
icmap_iter_t iter;
const char *iter_key;
int res = 0;
int node_pos;
int local_node_pos = -1;
struct totem_ip_address bind_addr;
int interface_up, interface_num;
char tmp_key[ICMAP_KEYNAME_MAXLEN];
char *node_addr_str;
struct totem_ip_address node_addr;
res = totemip_iface_check(&totem_config->interfaces[0].bindnet,
&bind_addr, &interface_up, &interface_num,
totem_config->clear_node_high_bit);
if (res == -1) {
return (-1);
}
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;
}
if (strcmp(tmp_key, "ring0_addr") != 0) {
continue;
}
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", node_pos);
if (icmap_get_string(tmp_key, &node_addr_str) != CS_OK) {
continue;
}
res = totemip_parse (&node_addr, node_addr_str, 0);
free(node_addr_str);
if (res == -1) {
continue ;
}
if (totemip_equal(&bind_addr, &node_addr)) {
local_node_pos = node_pos;
}
}
icmap_iter_finalize(iter);
return (local_node_pos);
}
extern int totem_config_read (
struct objdb_iface_ver0 *objdb,
struct totem_config *totem_config,
const char **error_string)
{
int res = 0;
hdb_handle_t object_totem_handle;
hdb_handle_t object_interface_handle;
hdb_handle_t object_member_handle;
const char *str;
unsigned int ringnumber = 0;
hdb_handle_t object_find_interface_handle;
hdb_handle_t object_find_member_handle;
const char *transport_type;
int member_count = 0;
res = totem_handle_find (objdb, &object_totem_handle);
if (res == -1) {
printf ("couldn't find totem handle\n");
return (-1);
}
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;
}
memset (totem_config->interfaces, 0,
sizeof (struct totem_interface) * INTERFACE_MAX);
totem_config->secauth = 1;
strcpy (totem_config->rrp_mode, "none");
if (!objdb_get_string (objdb, object_totem_handle, "version", &str)) {
if (strcmp (str, "2") == 0) {
totem_config->version = 2;
}
}
if (!objdb_get_string (objdb, object_totem_handle, "secauth", &str)) {
if (strcmp (str, "on") == 0) {
totem_config->secauth = 1;
}
if (strcmp (str, "off") == 0) {
totem_config->secauth = 0;
}
}
if (totem_config->secauth == 1) {
totem_get_crypto_type(objdb, object_totem_handle, totem_config);
}
if (!objdb_get_string (objdb, object_totem_handle, "rrp_mode", &str)) {
strcpy (totem_config->rrp_mode, str);
}
/*
* Get interface node id
*/
objdb_get_int (objdb, object_totem_handle, "nodeid", &totem_config->node_id);
totem_config->clear_node_high_bit = 0;
if (!objdb_get_string (objdb,object_totem_handle, "clear_node_high_bit", &str)) {
if (strcmp (str, "yes") == 0) {
totem_config->clear_node_high_bit = 1;
}
}
objdb_get_int (objdb,object_totem_handle, "threads", &totem_config->threads);
objdb_get_int (objdb,object_totem_handle, "netmtu", &totem_config->net_mtu);
/*
* Get things that might change in the future
*/
totem_volatile_config_read (objdb, totem_config, object_totem_handle);
objdb->object_find_create (
object_totem_handle,
"interface",
strlen ("interface"),
&object_find_interface_handle);
while (objdb->object_find_next (
object_find_interface_handle,
&object_interface_handle) == 0) {
member_count = 0;
objdb_get_int (objdb, object_interface_handle, "ringnumber", &ringnumber);
/*
* Get interface multicast address
*/
if (!objdb_get_string (objdb, object_interface_handle, "mcastaddr", &str)) {
res = totemip_parse (&totem_config->interfaces[ringnumber].mcast_addr, str, 0);
}
totem_config->broadcast_use = 0;
if (!objdb_get_string (objdb, object_interface_handle, "broadcast", &str)) {
if (strcmp (str, "yes") == 0) {
totem_config->broadcast_use = 1;
totemip_parse (
&totem_config->interfaces[ringnumber].mcast_addr,
"255.255.255.255", 0);
}
}
/*
* Get mcast port
*/
if (!objdb_get_string (objdb, object_interface_handle, "mcastport", &str)) {
totem_config->interfaces[ringnumber].ip_port = atoi (str);
}
/*
* Get the bind net address
*/
if (!objdb_get_string (objdb, object_interface_handle, "bindnetaddr", &str)) {
res = totemip_parse (&totem_config->interfaces[ringnumber].bindnet, str,
totem_config->interfaces[ringnumber].mcast_addr.family);
}
/*
* Get the TTL
*/
totem_config->interfaces[ringnumber].ttl = 1;
if (!objdb_get_string (objdb, object_interface_handle, "ttl", &str)) {
totem_config->interfaces[ringnumber].ttl = atoi (str);
}
objdb->object_find_create (
object_interface_handle,
"member",
strlen ("member"),
&object_find_member_handle);
while (objdb->object_find_next (
object_find_member_handle,
&object_member_handle) == 0) {
if (!objdb_get_string (objdb, object_member_handle, "memberaddr", &str)) {
res = totemip_parse (&totem_config->interfaces[ringnumber].member_list[member_count++], str, 0);
}
}
totem_config->interfaces[ringnumber].member_count = member_count;
totem_config->interface_count++;
}
objdb->object_find_destroy (object_find_interface_handle);
add_totem_config_notification(objdb, totem_config, object_totem_handle);
totem_config->transport_number = TOTEM_TRANSPORT_UDP;
(void)objdb_get_string (objdb, object_totem_handle, "transport", &transport_type);
if (transport_type) {
if (strcmp (transport_type, "udpu") == 0) {
totem_config->transport_number = TOTEM_TRANSPORT_UDPU;
}
}
if (transport_type) {
if (strcmp (transport_type, "iba") == 0) {
totem_config->transport_number = TOTEM_TRANSPORT_RDMA;
}
}
return 0;
}
extern int totem_config_read (
struct totem_config *totem_config,
const char **error_string,
uint64_t *warnings)
{
int res = 0;
char *str;
unsigned int ringnumber = 0;
int member_count = 0;
icmap_iter_t iter, member_iter;
const char *iter_key;
const char *member_iter_key;
char ringnumber_key[ICMAP_KEYNAME_MAXLEN];
char tmp_key[ICMAP_KEYNAME_MAXLEN];
uint8_t u8;
uint16_t u16;
char *cluster_name = NULL;
int i;
int local_node_pos;
int nodeid_set;
*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;
}
memset (totem_config->interfaces, 0,
sizeof (struct totem_interface) * INTERFACE_MAX);
strcpy (totem_config->rrp_mode, "none");
icmap_get_uint32("totem.version", (uint32_t *)&totem_config->version);
totem_get_crypto(totem_config);
if (icmap_get_string("totem.rrp_mode", &str) == CS_OK) {
strcpy (totem_config->rrp_mode, str);
free(str);
}
icmap_get_uint32("totem.nodeid", &totem_config->node_id);
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);
icmap_get_string("totem.cluster_name", &cluster_name);
/*
* Get things that might change in the future
*/
totem_volatile_config_read(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(totem_config);
} else {
free(str);
}
iter = icmap_iter_init("totem.interface.");
while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
res = sscanf(iter_key, "totem.interface.%[^.].%s", ringnumber_key, tmp_key);
if (res != 2) {
continue;
}
if (strcmp(tmp_key, "bindnetaddr") != 0) {
continue;
}
member_count = 0;
ringnumber = atoi(ringnumber_key);
/*
* Get the bind net address
*/
if (icmap_get_string(iter_key, &str) == CS_OK) {
res = totemip_parse (&totem_config->interfaces[ringnumber].bindnet, str,
totem_config->interfaces[ringnumber].mcast_addr.family);
free(str);
}
/*
* Get interface multicast address
*/
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastaddr", ringnumber);
if (icmap_get_string(tmp_key, &str) == CS_OK) {
res = totemip_parse (&totem_config->interfaces[ringnumber].mcast_addr, str, 0);
free(str);
} else {
/*
* User not specified address -> autogenerate one from cluster_name key
* (if available)
*/
res = get_cluster_mcast_addr (cluster_name,
&totem_config->interfaces[ringnumber].bindnet,
ringnumber,
&totem_config->interfaces[ringnumber].mcast_addr);
}
totem_config->broadcast_use = 0;
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.broadcast", ringnumber);
if (icmap_get_string(tmp_key, &str) == CS_OK) {
if (strcmp (str, "yes") == 0) {
totem_config->broadcast_use = 1;
totemip_parse (
&totem_config->interfaces[ringnumber].mcast_addr,
"255.255.255.255", 0);
}
free(str);
}
/*
* Get mcast port
*/
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.mcastport", ringnumber);
if (icmap_get_uint16(tmp_key, &totem_config->interfaces[ringnumber].ip_port) != CS_OK) {
if (totem_config->broadcast_use) {
totem_config->interfaces[ringnumber].ip_port = DEFAULT_PORT + (2 * ringnumber);
} else {
totem_config->interfaces[ringnumber].ip_port = DEFAULT_PORT;
}
}
/*
* Get the TTL
*/
totem_config->interfaces[ringnumber].ttl = 1;
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.ttl", ringnumber);
if (icmap_get_uint8(tmp_key, &u8) == CS_OK) {
totem_config->interfaces[ringnumber].ttl = u8;
}
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.member.", ringnumber);
member_iter = icmap_iter_init(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(member_iter_key, &str) == CS_OK) {
res = totemip_parse (&totem_config->interfaces[ringnumber].member_list[member_count++],
str, 0);
}
}
icmap_iter_finalize(member_iter);
totem_config->interfaces[ringnumber].member_count = member_count;
totem_config->interface_count++;
}
icmap_iter_finalize(iter);
/*
* Store automatically generated items back to icmap
*/
for (i = 0; i < totem_config->interface_count; i++) {
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);
}
}
totem_config->transport_number = TOTEM_TRANSPORT_UDP;
if (icmap_get_string("totem.transport", &str) == CS_OK) {
if (strcmp (str, "udpu") == 0) {
totem_config->transport_number = TOTEM_TRANSPORT_UDPU;
}
if (strcmp (str, "iba") == 0) {
totem_config->transport_number = TOTEM_TRANSPORT_RDMA;
}
free(str);
}
free(cluster_name);
/*
* Check existence of nodelist
*/
if (icmap_get_string("nodelist.node.0.ring0_addr", &str) == CS_OK) {
free(str);
/*
* find local node
*/
local_node_pos = find_local_node_in_nodelist(totem_config);
if (local_node_pos != -1) {
icmap_set_uint32("nodelist.local_node_pos", local_node_pos);
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", local_node_pos);
nodeid_set = (totem_config->node_id != 0);
if (icmap_get_uint32(tmp_key, &totem_config->node_id) == CS_OK && nodeid_set) {
*warnings |= TOTEM_CONFIG_WARNING_TOTEM_NODEID_IGNORED;
}
/*
* Make localnode ring0_addr read only, so we can be sure that local
* node never changes. If rebinding to other IP would be in future
* supported, this must be changed and handled properly!
*/
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", local_node_pos);
icmap_set_ro_access(tmp_key, 0, 1);
icmap_set_ro_access("nodelist.local_node_pos", 0, 1);
}
put_nodelist_members_to_config(totem_config);
}
add_totem_config_notification(totem_config);
return 0;
}
static void config_convert_nodelist_to_interface(struct totem_config *totem_config)
{
icmap_iter_t iter;
const char *iter_key;
int res = 0;
int node_pos;
char tmp_key[ICMAP_KEYNAME_MAXLEN];
char tmp_key2[ICMAP_KEYNAME_MAXLEN];
char *node_addr_str;
unsigned int ringnumber = 0;
struct list_head addrs;
struct list_head *list;
struct totem_ip_if_address *if_addr;
struct totem_ip_address node_addr;
int node_found;
if (totemip_getifaddrs(&addrs) == -1) {
return ;
}
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;
}
if (strcmp(tmp_key, "ring0_addr") != 0) {
continue;
}
if (icmap_get_string(iter_key, &node_addr_str) != CS_OK) {
continue ;
}
if (totemip_parse(&node_addr, node_addr_str, 0) == -1) {
free(node_addr_str);
continue ;
}
free(node_addr_str);
/*
* Try to find node in if_addrs
*/
node_found = 0;
for (list = addrs.next; list != &addrs; list = list->next) {
if_addr = list_entry(list, struct totem_ip_if_address, list);
if (totemip_equal(&node_addr, &if_addr->ip_addr)) {
node_found = 1;
break;
}
}
if (node_found) {
break ;
}
}
icmap_iter_finalize(iter);
if (node_found) {
/*
* We found node, so create interface section
*/
snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.", node_pos);
iter = icmap_iter_init(tmp_key);
while ((iter_key = icmap_iter_next(iter, NULL, NULL)) != NULL) {
res = sscanf(iter_key, "nodelist.node.%u.ring%u%s", &node_pos, &ringnumber, tmp_key2);
if (res != 3 || strcmp(tmp_key2, "_addr") != 0) {
continue ;
}
if (icmap_get_string(iter_key, &node_addr_str) != CS_OK) {
continue;
}
snprintf(tmp_key2, ICMAP_KEYNAME_MAXLEN, "totem.interface.%u.bindnetaddr", ringnumber);
icmap_set_string(tmp_key2, node_addr_str);
free(node_addr_str);
}
icmap_iter_finalize(iter);
}
}