void list_adj(node**list, int initial_node, int final_node,
int preference){
if(*list==NULL){
/*creates node and respective link*/
create_node_entry(&(*list), initial_node);
create_link_entry(&(*list), final_node, preference);
}else{
node*aux;
for(aux=(*list); (aux->identifier!=initial_node) && (aux->next!=NULL);
aux=aux->next);
if(aux->identifier==initial_node){
create_link_entry(&aux, final_node, preference);
}else{
if(aux->next==NULL){
/*there is no node in the list*/
create_node_entry(&(aux->next), initial_node);
create_link_entry(&(aux->next), final_node, preference);
}
}
}
return;
}
gboolean
finalize_join_for(gpointer key, gpointer value, gpointer user_data)
{
const char *join_to = NULL;
const char *join_state = NULL;
xmlNode *acknak = NULL;
crm_node_t *join_node = NULL;
if (key == NULL || value == NULL) {
return TRUE;
}
join_to = (const char *)key;
join_state = (const char *)value;
/* make sure the node exists in the config section */
create_node_entry(join_to, join_to, NORMALNODE);
join_node = crm_get_peer(0, join_to);
if (crm_is_peer_active(join_node) == FALSE) {
/*
* NACK'ing nodes that the membership layer doesn't know about yet
* simply creates more churn
*
* Better to leave them waiting and let the join restart when
* the new membership event comes in
*
* All other NACKs (due to versions etc) should still be processed
*/
return TRUE;
}
/* send the ack/nack to the node */
acknak = create_request(CRM_OP_JOIN_ACKNAK, NULL, join_to,
CRM_SYSTEM_CRMD, CRM_SYSTEM_DC, NULL);
crm_xml_add_int(acknak, F_CRM_JOIN_ID, current_join_id);
/* set the ack/nack */
if (safe_str_eq(join_state, CRMD_JOINSTATE_MEMBER)) {
crm_debug("join-%d: ACK'ing join request from %s, state %s",
current_join_id, join_to, join_state);
crm_xml_add(acknak, CRM_OP_JOIN_ACKNAK, XML_BOOLEAN_TRUE);
g_hash_table_insert(finalized_nodes,
strdup(join_to), strdup(CRMD_JOINSTATE_MEMBER));
} else {
crm_warn("join-%d: NACK'ing join request from %s, state %s",
current_join_id, join_to, join_state);
crm_xml_add(acknak, CRM_OP_JOIN_ACKNAK, XML_BOOLEAN_FALSE);
}
send_cluster_message(join_to, crm_msg_crmd, acknak, TRUE);
free_xml(acknak);
return TRUE;
}
