| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CAST_COMMON_CHANNEL_MESSAGE_FRAMER_H_ |
| #define CAST_COMMON_CHANNEL_MESSAGE_FRAMER_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "absl/types/span.h" |
| #include "cast/common/channel/proto/cast_channel.pb.h" |
| #include "platform/base/error.h" |
| |
| namespace openscreen { |
| namespace cast { |
| namespace message_serialization { |
| |
| // Serializes |message_proto| into |message_data|. |
| // Returns true if the message was serialized successfully, false otherwise. |
| ErrorOr<std::vector<uint8_t>> Serialize( |
| const ::cast::channel::CastMessage& message); |
| |
| struct DeserializeResult { |
| ::cast::channel::CastMessage message; |
| size_t length; |
| }; |
| |
| // Reads bytes from |input| and returns a new CastMessage if one is fully |
| // read. Returns a parsed CastMessage if a message was received in its |
| // entirety, and an error otherwise. The result also contains the number of |
| // bytes consumed from |input| when a parse succeeds. |
| ErrorOr<DeserializeResult> TryDeserialize(absl::Span<const uint8_t> input); |
| |
| } // namespace message_serialization |
| } // namespace cast |
| } // namespace openscreen |
| |
| #endif // CAST_COMMON_CHANNEL_MESSAGE_FRAMER_H_ |