void redis_free_connection(cachedb_pool_con *con)
{
redis_con * c;
LM_DBG("in redis_free_connection\n");
if (!con) return;
c = (redis_con *)con;
destroy_cluster_nodes(c);
pkg_free(c);
}
/*
* setup_cluster_nodes - get cluster record list within requested
* time period with used nodes. Used for deciding whether a nodelist is
* overlapping with the required nodes.
*/
extern cluster_nodes_t *
setup_cluster_nodes(pgsql_conn_t *pg_conn, slurmdb_job_cond_t *job_cond)
{
DEF_VARS;
cluster_nodes_t *cnodes = NULL;
time_t now = time(NULL);
hostlist_t temp_hl = NULL;
hostlist_iterator_t h_itr = NULL;
if (!job_cond || !job_cond->used_nodes)
return NULL;
if (!job_cond->cluster_list || list_count(job_cond->cluster_list) != 1) {
error("If you are doing a query against nodes "
"you must only have 1 cluster "
"you are asking for.");
return NULL;
}
temp_hl = hostlist_create(job_cond->used_nodes);
if (!hostlist_count(temp_hl)) {
error("we didn't get any real hosts to look for.");
hostlist_destroy(temp_hl);
return NULL;
}
query = xstrdup_printf("SELECT cluster_nodes, time_start, "
"time_end FROM %s.%s WHERE node_name='' "
"AND cluster_nodes !=''",
(char *)list_peek(job_cond->cluster_list),
event_table);
if (job_cond->usage_start) {
if (!job_cond->usage_end)
job_cond->usage_end = now;
xstrfmtcat(query, " AND ((time_start<%ld) "
"AND (time_end>=%ld OR time_end=0))",
job_cond->usage_end, job_cond->usage_start);
}
result = DEF_QUERY_RET;
if (!result) {
hostlist_destroy(temp_hl);
return NULL;
}
h_itr = hostlist_iterator_create(temp_hl);
cnodes = xmalloc(sizeof(cluster_nodes_t));
cnodes->cluster_list = list_create(_destroy_local_cluster);
FOR_EACH_ROW {
char *host = NULL;
int loc = 0;
local_cluster_t *local_cluster =
xmalloc(sizeof(local_cluster_t));
local_cluster->hl = hostlist_create(ROW(0));
local_cluster->start = atoi(ROW(1));
local_cluster->end = atoi(ROW(2));
local_cluster->asked_bitmap =
bit_alloc(hostlist_count(local_cluster->hl));
while((host = hostlist_next(h_itr))) {
if ((loc = hostlist_find(
local_cluster->hl, host)) != -1)
bit_set(local_cluster->asked_bitmap, loc);
free(host);
}
hostlist_iterator_reset(h_itr);
if (bit_ffs(local_cluster->asked_bitmap) != -1) {
list_append(cnodes->cluster_list, local_cluster);
if (local_cluster->end == 0) {
local_cluster->end = now;
cnodes->curr_cluster = local_cluster;
}
} else
_destroy_local_cluster(local_cluster);
} END_EACH_ROW;
PQclear(result);
hostlist_iterator_destroy(h_itr);
if (!list_count(cnodes->cluster_list)) {
destroy_cluster_nodes(cnodes);
cnodes = NULL;
}
hostlist_destroy(temp_hl);
return cnodes;
}