/*
* scontrol_print_hosts - given a node list expression, return
* a list of nodes, one per line
*/
extern void
scontrol_print_hosts (char * node_list)
{
hostlist_t hl;
char *host;
if (!node_list) {
error("host list is empty");
return;
}
hl = hostlist_create_dims(node_list, 0);
if (!hl) {
fprintf(stderr, "Invalid hostlist: %s\n", node_list);
return;
}
while ((host = hostlist_shift_dims(hl, 0))) {
printf("%s\n", host);
free(host);
}
hostlist_destroy(hl);
}
extern List setup_cluster_list_with_inx(mysql_conn_t *mysql_conn,
slurmdb_job_cond_t *job_cond,
void **curr_cluster)
{
List local_cluster_list = NULL;
time_t now = time(NULL);
MYSQL_RES *result = NULL;
MYSQL_ROW row;
hostlist_t temp_hl = NULL;
hostlist_iterator_t h_itr = NULL;
char *query = NULL;
int dims = 0;
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;
}
/* get the dimensions of this cluster so we know how to deal
with the hostlists */
query = xstrdup_printf("select dimensions, flags from %s where "
"name='%s'",
cluster_table,
(char *)list_peek(job_cond->cluster_list));
debug4("%d(%s:%d) query\n%s",
mysql_conn->conn, THIS_FILE, __LINE__, query);
if (!(result = mysql_db_query_ret(mysql_conn, query, 0))) {
xfree(query);
return NULL;
}
xfree(query);
if (!(row = mysql_fetch_row(result))) {
error("Couldn't get the dimensions of cluster '%s'.",
(char *)list_peek(job_cond->cluster_list));
mysql_free_result(result);
return NULL;
}
/* On a Cray System when dealing with hostlists as we are here
this always needs to be 1.
*/
if (slurm_atoul(row[1]) & CLUSTER_FLAG_CRAY_A)
dims = 1;
else
dims = atoi(row[0]);
mysql_free_result(result);
temp_hl = hostlist_create_dims(job_cond->used_nodes, dims);
if (hostlist_count(temp_hl) <= 0) {
error("we didn't get any real hosts to look for.");
goto no_hosts;
}
h_itr = hostlist_iterator_create(temp_hl);
query = xstrdup_printf("select cluster_nodes, time_start, "
"time_end from \"%s_%s\" where node_name='' "
"&& 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,
" && ((time_start < %ld) "
"&& (time_end >= %ld || time_end = 0))",
job_cond->usage_end, job_cond->usage_start);
}
if (debug_flags & DEBUG_FLAG_DB_JOB)
DB_DEBUG(mysql_conn->conn, "query\n%s", query);
if (!(result = mysql_db_query_ret(mysql_conn, query, 0))) {
xfree(query);
goto no_hosts;
}
xfree(query);
local_cluster_list = list_create(_destroy_local_cluster);
while ((row = mysql_fetch_row(result))) {
char *host = NULL;
int loc = 0;
local_cluster_t *local_cluster =
xmalloc(sizeof(local_cluster_t));
local_cluster->hl = hostlist_create_dims(row[0], dims);
local_cluster->start = slurm_atoul(row[1]);
local_cluster->end = slurm_atoul(row[2]);
local_cluster->asked_bitmap =
bit_alloc(hostlist_count(local_cluster->hl));
while ((host = hostlist_next_dims(h_itr, dims))) {
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(local_cluster_list, local_cluster);
if (local_cluster->end == 0) {
local_cluster->end = now;
(*curr_cluster) = local_cluster;
} else if (!(*curr_cluster)
|| (((local_cluster_t *)(*curr_cluster))->end
< local_cluster->end)) {
(*curr_cluster) = local_cluster;
}
} else
_destroy_local_cluster(local_cluster);
}
mysql_free_result(result);
if (!list_count(local_cluster_list)) {
FREE_NULL_LIST(local_cluster_list);
local_cluster_list = NULL;
goto no_hosts;
}
no_hosts:
hostlist_iterator_destroy(h_itr);
hostlist_destroy(temp_hl);
return local_cluster_list;
}