C++ (Cpp) bt_ctf_field_name Examples

Example #1

File: lttngtop.c Project: jdesfossez/lttngtop-dev

void print_fields(struct bt_ctf_event *event, const char *procname,
		int pid)
{
	unsigned int cnt, i;
	const struct bt_definition *const * list;
	const struct bt_declaration *l;
	const struct bt_definition *scope;
	enum ctf_type_id type;
	const char *str;
	struct processtop *current_proc;
	struct files *current_file;
	int fd, fd_value = -1;

	scope = bt_ctf_get_top_level_scope(event, BT_EVENT_FIELDS);

	bt_ctf_get_field_list(event, scope, &list, &cnt);
	for (i = 0; i < cnt; i++) {
		if (i != 0)
			fprintf(output, ", ");
		fprintf(output, "%s = ", bt_ctf_field_name(list[i]));
		l = bt_ctf_get_decl_from_def(list[i]);
		if (strncmp(bt_ctf_field_name(list[i]), "fd", 2) == 0)
			fd = 1;
		else
			fd = 0;
		type = bt_ctf_field_type(l);
		if (type == CTF_TYPE_INTEGER) {
			if (bt_ctf_get_int_signedness(l) == 0) {
				fd_value = bt_ctf_get_uint64(list[i]);
				fprintf(output, "%" PRIu64, bt_ctf_get_uint64(list[i]));
			} else {
				fd_value = bt_ctf_get_int64(list[i]);
				fprintf(output, "%" PRId64, bt_ctf_get_int64(list[i]));
			}
		} else if (type == CTF_TYPE_STRING) {
			fprintf(output, "%s", bt_ctf_get_string(list[i]));
		} else if (type == CTF_TYPE_ARRAY) {
			str = bt_ctf_get_char_array(list[i]);
			if (!bt_ctf_field_get_error() && str)
				fprintf(output, "%s", str);
		}
		if (fd) {
			current_proc = find_process_tid(&lttngtop, pid, procname);
			if (!current_proc)
				continue;
			current_file = get_file(current_proc, fd_value);
			if (!current_file || !current_file->name)
				continue;
			fprintf(output, "<%s>", current_file->name);
		}
	}
}

Example #2

File: print.c Project: adannis/lttv

int getFieldsFromEvent(struct bt_ctf_event *ctf_event, GString* fields, gboolean field_names)
{
	struct bt_definition const * const *list = NULL;
	unsigned int count;
	int i = 0, ret = 0;
	gboolean noError = TRUE;
	const struct bt_definition *scope;
	scope = bt_ctf_get_top_level_scope(ctf_event, BT_EVENT_FIELDS);

	if (!scope) {
		noError = FALSE;
	}
	if (noError) {
		ret = bt_ctf_get_field_list(ctf_event, scope, &list, &count);
		if (ret < 0) {
			noError = TRUE;
		}
		else {
			for (i = 0; i < count; i++) {
				if (i > 0) {
					g_string_append_printf(fields, ", ");
				}
				const char *name = bt_ctf_field_name(list[i]);
				if (field_names) {
					g_string_append_printf(fields, "%s = ", name);
				}
				getFields(ctf_event, list[i] ,fields);
				if (bt_ctf_field_get_error()) {
					continue;
				}
			}
		}
	}
	if (!noError) {
			ret = -1;
	}
	return ret;
}