C++ (Cpp) bt_ctf_stream_class_get Examples

Example #1

File: writer.c Project: cooljeanius/babeltrace

struct bt_ctf_stream *bt_ctf_writer_create_stream(struct bt_ctf_writer *writer,
		struct bt_ctf_stream_class *stream_class)
{
	int ret;
	int stream_class_found = 0;
	size_t i;
	int stream_fd;
	struct bt_ctf_stream *stream = NULL;

	if (!writer || !stream_class) {
		goto error;
	}

	ret = bt_ctf_stream_class_set_byte_order(stream_class,
		writer->byte_order == LITTLE_ENDIAN ?
		BT_CTF_BYTE_ORDER_LITTLE_ENDIAN : BT_CTF_BYTE_ORDER_BIG_ENDIAN);
	if (ret) {
		goto error;
	}

	stream = bt_ctf_stream_create(stream_class);
	if (!stream) {
		goto error;
	}

	stream_fd = create_stream_file(writer, stream);
	if (stream_fd < 0 || bt_ctf_stream_set_fd(stream, stream_fd)) {
		goto error;
	}

	bt_ctf_stream_set_flush_callback(stream, (flush_func)stream_flush_cb,
		writer);

	for (i = 0; i < writer->stream_classes->len; i++) {
		if (writer->stream_classes->pdata[i] == stream->stream_class) {
			stream_class_found = 1;
		}
	}

	if (!stream_class_found) {
		int64_t stream_id = bt_ctf_stream_class_get_id(stream_class);
		if (stream_id < 0) {
			if (bt_ctf_stream_class_set_id(stream->stream_class,
				writer->next_stream_id++)) {
				goto error;
			}
		}

		for (i = 0; i < writer->stream_classes->len; i++) {
			if (stream_id == bt_ctf_stream_class_get_id(
				    writer->stream_classes->pdata[i])) {
				/* Duplicate stream id found */
				goto error;
			}
		}
		bt_ctf_stream_class_get(stream->stream_class);
		g_ptr_array_add(writer->stream_classes, stream->stream_class);
	}

	bt_ctf_stream_get(stream);
	g_ptr_array_add(writer->streams, stream);
	writer->frozen = 1;
	return stream;
error:
	bt_ctf_stream_put(stream);
	return NULL;
}

Example #2

File: trace.c Project: TheZorg/babeltrace

struct bt_ctf_stream *bt_ctf_trace_create_stream(struct bt_ctf_trace *trace,
		struct bt_ctf_stream_class *stream_class)
{
	int ret;
	int stream_class_found = 0;
	size_t i;
	struct bt_ctf_stream *stream = NULL;

	if (!trace || !stream_class) {
		goto error;
	}

	ret = bt_ctf_stream_class_set_byte_order(stream_class,
		trace->byte_order == LITTLE_ENDIAN ?
		BT_CTF_BYTE_ORDER_LITTLE_ENDIAN : BT_CTF_BYTE_ORDER_BIG_ENDIAN);
	if (ret) {
		goto error;
	}

	stream = bt_ctf_stream_create(stream_class);
	if (!stream) {
		goto error;
	}

	for (i = 0; i < trace->stream_classes->len; i++) {
		if (trace->stream_classes->pdata[i] == stream_class) {
			stream_class_found = 1;
		}
	}

	if (!stream_class_found) {
		int64_t stream_id = bt_ctf_stream_class_get_id(stream_class);

		if (stream_id < 0) {
			/* Try to assign a new stream id */
			if (bt_ctf_stream_class_set_id(stream->stream_class,
				trace->next_stream_id++)) {
				goto error;
			}
		}

		for (i = 0; i < trace->stream_classes->len; i++) {
			if (stream_id == bt_ctf_stream_class_get_id(
				    trace->stream_classes->pdata[i])) {
				/* Duplicate stream id found */
				goto error;
			}
		}
		bt_ctf_stream_class_get(stream->stream_class);
		g_ptr_array_add(trace->stream_classes, stream->stream_class);
	}

	bt_ctf_stream_get(stream);
	g_ptr_array_add(trace->streams, stream);
	trace->frozen = 1;
	return stream;

error:
	bt_ctf_stream_put(stream);
	return NULL;
}