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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_PROTOCOL_STREAM_MESSAGE_PIPE_ADAPTER_H_
#define REMOTING_PROTOCOL_STREAM_MESSAGE_PIPE_ADAPTER_H_
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "remoting/protocol/message_channel_factory.h"
#include "remoting/protocol/message_pipe.h"
#include "remoting/protocol/message_reader.h"
namespace remoting {
class BufferedSocketWriter;
namespace protocol {
class P2PStreamSocket;
class StreamChannelFactory;
// MessagePipe implementation that sends and receives messages over a
// P2PStreamSocket.
class StreamMessagePipeAdapter : public MessagePipe {
public:
typedef base::OnceCallback<void(int)> ErrorCallback;
StreamMessagePipeAdapter(std::unique_ptr<P2PStreamSocket> socket,
ErrorCallback error_callback);
StreamMessagePipeAdapter(const StreamMessagePipeAdapter&) = delete;
StreamMessagePipeAdapter& operator=(const StreamMessagePipeAdapter&) = delete;
~StreamMessagePipeAdapter() override;
// MessagePipe interface.
void Start(EventHandler* event_handler) override;
void Send(google::protobuf::MessageLite* message,
base::OnceClosure done) override;
private:
void CloseOnError(int error);
raw_ptr<EventHandler, DanglingUntriaged> event_handler_ = nullptr;
std::unique_ptr<P2PStreamSocket> socket_;
ErrorCallback error_callback_;
std::unique_ptr<MessageReader> reader_;
std::unique_ptr<BufferedSocketWriter> writer_;
};
class StreamMessageChannelFactoryAdapter : public MessageChannelFactory {
public:
typedef base::RepeatingCallback<void(int)> ErrorCallback;
StreamMessageChannelFactoryAdapter(
StreamChannelFactory* stream_channel_factory,
const ErrorCallback& error_callback);
StreamMessageChannelFactoryAdapter(
const StreamMessageChannelFactoryAdapter&) = delete;
StreamMessageChannelFactoryAdapter& operator=(
const StreamMessageChannelFactoryAdapter&) = delete;
~StreamMessageChannelFactoryAdapter() override;
// MessageChannelFactory interface.
void CreateChannel(const std::string& name,
ChannelCreatedCallback callback) override;
void CancelChannelCreation(const std::string& name) override;
private:
void OnChannelCreated(ChannelCreatedCallback callback,
std::unique_ptr<P2PStreamSocket> socket);
raw_ptr<StreamChannelFactory, DanglingUntriaged> stream_channel_factory_;
ErrorCallback error_callback_;
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_STREAM_MESSAGE_PIPE_ADAPTER_H_
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