C++ (Cpp) bt_ctf_field_type_array_create Beispiele

Beispiel #1

Datei: trace.c Projekt: brianrob/babeltrace

static
int init_trace_packet_header(struct bt_ctf_trace *trace)
{
	int ret = 0;
	struct bt_ctf_field *magic = NULL, *uuid_array = NULL;
	struct bt_ctf_field_type *_uint32_t =
		get_field_type(FIELD_TYPE_ALIAS_UINT32_T);
	struct bt_ctf_field_type *_uint8_t =
		get_field_type(FIELD_TYPE_ALIAS_UINT8_T);
	struct bt_ctf_field_type *trace_packet_header_type =
		bt_ctf_field_type_structure_create();
	struct bt_ctf_field_type *uuid_array_type =
		bt_ctf_field_type_array_create(_uint8_t, 16);

	if (!trace_packet_header_type || !uuid_array_type) {
		ret = -1;
		goto end;
	}

	ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
		_uint32_t, "magic");
	if (ret) {
		goto end;
	}

	ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
		uuid_array_type, "uuid");
	if (ret) {
		goto end;
	}

	ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
		_uint32_t, "stream_id");
	if (ret) {
		goto end;
	}

	ret = bt_ctf_trace_set_packet_header_type(trace,
		trace_packet_header_type);
	if (ret) {
		goto end;
	}
end:
	bt_put(uuid_array_type);
	bt_put(_uint32_t);
	bt_put(_uint8_t);
	bt_put(magic);
	bt_put(uuid_array);
	bt_put(trace_packet_header_type);
	return ret;
}

Beispiel #2

Datei: writer.c Projekt: cooljeanius/babeltrace

static
int init_trace_packet_header(struct bt_ctf_writer *writer)
{
	size_t i;
	int ret = 0;
	struct bt_ctf_field *trace_packet_header = NULL,
		*magic = NULL, *uuid_array = NULL;
	struct bt_ctf_field_type *_uint32_t =
		get_field_type(FIELD_TYPE_ALIAS_UINT32_T);
	struct bt_ctf_field_type *_uint8_t =
		get_field_type(FIELD_TYPE_ALIAS_UINT8_T);
	struct bt_ctf_field_type *trace_packet_header_type =
		bt_ctf_field_type_structure_create();
	struct bt_ctf_field_type *uuid_array_type =
		bt_ctf_field_type_array_create(_uint8_t, 16);

	if (!trace_packet_header_type || !uuid_array_type) {
		ret = -1;
		goto end;
	}

	ret = bt_ctf_field_type_set_byte_order(_uint32_t,
		(writer->byte_order == LITTLE_ENDIAN ?
		BT_CTF_BYTE_ORDER_LITTLE_ENDIAN :
		BT_CTF_BYTE_ORDER_BIG_ENDIAN));
	if (ret) {
		goto end;
	}

	ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
		_uint32_t, "magic");
	if (ret) {
		goto end;
	}

	ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
		uuid_array_type, "uuid");
	if (ret) {
		goto end;
	}

	ret = bt_ctf_field_type_structure_add_field(trace_packet_header_type,
		_uint32_t, "stream_id");
	if (ret) {
		goto end;
	}

	trace_packet_header = bt_ctf_field_create(trace_packet_header_type);
	if (!trace_packet_header) {
		ret = -1;
		goto end;
	}

	magic = bt_ctf_field_structure_get_field(trace_packet_header, "magic");
	ret = bt_ctf_field_unsigned_integer_set_value(magic, 0xC1FC1FC1);
	if (ret) {
		goto end;
	}

	uuid_array = bt_ctf_field_structure_get_field(trace_packet_header,
		"uuid");
	for (i = 0; i < 16; i++) {
		struct bt_ctf_field *uuid_element =
			bt_ctf_field_array_get_field(uuid_array, i);
		ret = bt_ctf_field_unsigned_integer_set_value(uuid_element,
			writer->uuid[i]);
		bt_ctf_field_put(uuid_element);
		if (ret) {
			goto end;
		}
	}

	bt_ctf_field_type_put(writer->trace_packet_header_type);
	bt_ctf_field_put(writer->trace_packet_header);
	writer->trace_packet_header_type = trace_packet_header_type;
	writer->trace_packet_header = trace_packet_header;
end:
	bt_ctf_field_type_put(uuid_array_type);
	bt_ctf_field_type_put(_uint32_t);
	bt_ctf_field_type_put(_uint8_t);
	bt_ctf_field_put(magic);
	bt_ctf_field_put(uuid_array);
	if (ret) {
		bt_ctf_field_type_put(trace_packet_header_type);
		bt_ctf_field_put(trace_packet_header);
	}

	return ret;
}