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