C++ (Cpp) _json_parse_nids Examples

Example #1

File: capmc_suspend.c Project: elodina/slurm

static bool _check_node_state(int nid, char *nid_str, char *state)
{
	bool node_state_ok = false;
	char *argv[10], *resp_msg;
	int i, nid_cnt, status = 0;
	uint32_t *nid_array;
	json_object *j;

	argv[0] = "capmc";
	argv[1] = "node_status";
	argv[2] = "-n";
	argv[3] = nid_str;
	argv[4] = NULL;
	resp_msg = _run_script(argv, &status);
	if (status != 0) {
		error("%s: capmc(%s,%s,%s): %d %s", prog_name,
			argv[1], argv[2], argv[3], status, resp_msg);
		xfree(resp_msg);
		return node_state_ok;
	}
	j = json_tokener_parse(resp_msg);
	if (j == NULL) {
		error("%s: json parser failed on %s", prog_name, resp_msg);
		xfree(resp_msg);
		return node_state_ok;
	}
	xfree(resp_msg);

	nid_cnt = 0;
	nid_array = _json_parse_nids(j, "off", &nid_cnt);
	json_object_put(j);	/* Frees json memory */
	for (i = 0; i < nid_cnt; i++) {
		if (nid_array[i] == nid) {
			node_state_ok = true;
			break;
		}
	}
	xfree(nid_array);

	return node_state_ok;
}

Example #2

File: capmc_resume.c Project: jwhite530/slurm

/* Wait for all identified computed nodes to enter "on" state */
static void _wait_all_nodes_on(void)
{
	char *argv[10], *resp_msg;
	int i, nid_cnt = 0, status = 0;
	json_object *j;
	uint32_t *nid_array;
	time_t start_time = time(NULL);

	while ((difftime(time(NULL), start_time) < (30 * 60)) &&
	       (bit_set_count(node_bitmap) > 0)) {
		sleep(20);
		argv[0] = "capmc";
		argv[1] = "node_status";
		argv[2] = NULL;
		resp_msg = _run_script(argv, &status);
		if (status != 0) {
			error("%s: capmc(%s,%s,%s): %d %s", log_file,
				argv[1], argv[2], argv[3], status, resp_msg);
			break;
		}
		j = json_tokener_parse(resp_msg);
		if (j == NULL) {
			error("%s: json parser failed on %s",
			      log_file, resp_msg);
			xfree(resp_msg);
			break;
		}
		xfree(resp_msg);
		nid_cnt = 0;
		nid_array = _json_parse_nids(j, "on", &nid_cnt);
		json_object_put(j);	/* Frees json memory */
		for (i = 0; i < nid_cnt; i++) {
			bit_clear(node_bitmap, nid_array[i]);
		}
		xfree(nid_array);
	}
}