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// Copyright 2014 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.
// This file defines utility methods used for encoding and decoding the protocol
// used in Chromoting.
#ifndef REMOTING_PROTOCOL_MESSAGE_SERIALIZATION_H_
#define REMOTING_PROTOCOL_MESSAGE_SERIALIZATION_H_
#include "net/base/io_buffer.h"
#include "remoting/base/compound_buffer.h"
#if defined(USE_SYSTEM_PROTOBUF)
#include <google/protobuf/message_lite.h>
#else
#include "third_party/protobuf/src/google/protobuf/message_lite.h"
#endif
namespace remoting {
namespace protocol {
template <class T>
std::unique_ptr<T> ParseMessage(CompoundBuffer* buffer) {
std::unique_ptr<T> message(new T());
CompoundBufferInputStream stream(buffer);
if (!message->ParseFromZeroCopyStream(&stream)) {
LOG(WARNING) << "Received message that is not a valid protocol buffer.";
return nullptr;
}
DCHECK_EQ(stream.position(), buffer->total_bytes());
return message;
}
// Serialize the Protocol Buffer message and provide sufficient framing for
// sending it over the wire.
// This will provide sufficient prefix and suffix for the receiver side to
// decode the message.
scoped_refptr<net::IOBufferWithSize> SerializeAndFrameMessage(
const google::protobuf::MessageLite& msg);
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_MESSAGE_SERIALIZATION_H_
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