Messenger_8hpp

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title: include/aasdk/Messenger/Messenger.hpp

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include/aasdk/Messenger/Messenger.hpp

Namespaces

Name
aasdk
aasdk::messenger

Classes

	Name
class	aasdk::messenger::Messenger Multiplexes bidirectional Android Auto protocol messages across logical channels.

Source code

// This file is part of aasdk library project.
// Copyright (C) 2018 f1x.studio (Michal Szwaj)
// Copyright (C) 2024 CubeOne (Simon Dean - simon.dean@cubeone.co.uk)
// Copyright (C) 2026 OpenCarDev (Matthew Hilton - matthilton2005@gmail.com)
//
// aasdk is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// aasdk is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with aasdk. If not, see <http://www.gnu.org/licenses/>.

#pragma once

#include <utility>
#include <boost/asio.hpp>
#include <list>
#include <aasdk/Messenger/IMessenger.hpp>
#include <aasdk/Messenger/IMessageInStream.hpp>
#include <aasdk/Messenger/IMessageOutStream.hpp>
#include <aasdk/Messenger/ChannelReceiveMessageQueue.hpp>
#include <aasdk/Messenger/ChannelReceivePromiseQueue.hpp>


namespace aasdk::messenger {

    class Messenger : public IMessenger, public std::enable_shared_from_this<Messenger> {
    public:
      Messenger(boost::asio::io_service &ioService, IMessageInStream::Pointer messageInStream,
                IMessageOutStream::Pointer messageOutStream);

      // Deleted copy operations
      Messenger(const Messenger &) = delete;
      Messenger &operator=(const Messenger &) = delete;

      void enqueueReceive(ChannelId channelId, ReceivePromise::Pointer promise) override;

      void enqueueSend(Message::Pointer message, SendPromise::Pointer promise) override;

      void stop() override;

    private:
      using std::enable_shared_from_this<Messenger>::shared_from_this;

      typedef std::list<std::pair<Message::Pointer, SendPromise::Pointer>> ChannelSendQueue;

      void doSend();

      void inStreamMessageHandler(Message::Pointer message);

      void outStreamMessageHandler(ChannelSendQueue::iterator queueElement);

      void rejectReceivePromiseQueue(const error::Error &e);

      void rejectSendPromiseQueue(const error::Error &e);

      boost::asio::io_service::strand receiveStrand_;

      boost::asio::io_service::strand sendStrand_;

      IMessageInStream::Pointer messageInStream_;

      IMessageOutStream::Pointer messageOutStream_;

      ChannelReceivePromiseQueue channelReceivePromiseQueue_;

      ChannelReceiveMessageQueue channelReceiveMessageQueue_;

      ChannelSendQueue channelSendPromiseQueue_;

    };

}

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Updated on 2026-03-15 at 09:02:41 +0000