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Add local_node_pos icmap key

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Key contains local node position in nodelist

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
Reviewed-by: Steven Dake <sdake@redhat.com>
This commit is contained in:
Jan Friesse 2012-01-18 15:29:10 +01:00
parent 6d0b0b1493
commit c8a62d8b3c
1 changed files with 69 additions and 0 deletions
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69
exec/totemconfig.c
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@ -209,6 +209,57 @@ static int get_cluster_mcast_addr (
return (err);
}
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 totem_config *totem_config,
const char **error_string)
@ -226,6 +277,7 @@ extern int totem_config_read (
uint16_t u16;
char *cluster_name = NULL;
int i;
int local_node_pos;
memset (totem_config, 0, sizeof (struct totem_config));
totem_config->interfaces = malloc (sizeof (struct totem_interface) * INTERFACE_MAX);
@ -409,6 +461,23 @@ extern int totem_config_read (
free(cluster_name);
/*
* If we have 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) {
/*
* Store icmap key
*/
icmap_set_uint32("nodelist.local_node_pos", local_node_pos);
}
}
add_totem_config_notification(totem_config);
return 0;