guard.hpp

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/*
 *  Copyright (C) 2015 Samsung Electronics Co., Ltd All Rights Reserved
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1 as published by the Free Software Foundation.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef LXCPP_GUARD_GUARD_HPP
#define LXCPP_GUARD_GUARD_HPP


#include "lxcpp/container-config.hpp"
#include "lxcpp/guard/api.hpp"

#include "utils/channel.hpp"
#include "utils/signalfd.hpp"

#include "cargo-ipc/service.hpp"
#include "cargo-ipc/epoll/event-poll.hpp"


namespace lxcpp {

class Guard {
public:
    Guard(const std::string& socketPath);
    ~Guard();

    int execute();

private:
    struct ContainerData {
        ContainerConfig &mConfig;
        utils::Channel &mChannel;

        ContainerData(ContainerConfig &config, utils::Channel &channel)
            : mConfig(config), mChannel(channel) {}
    };

    cargo::ipc::epoll::EventPoll mEventPoll;
    cargo::ipc::PeerID mPeerID;
    utils::SignalFD mSignalFD;
    std::unique_ptr<cargo::ipc::Service> mService;

    std::shared_ptr<ContainerConfig> mConfig;

    static int startContainer(void *data);

    void onConnection(const cargo::ipc::PeerID& peerID, const cargo::ipc::FileDescriptor);

    void onDisconnection(const cargo::ipc::PeerID& peerID, const cargo::ipc::FileDescriptor);

    void onInitExit(struct ::signalfd_siginfo& sigInfo);

    bool onSetConfig(const cargo::ipc::PeerID, std::shared_ptr<ContainerConfig>& data, cargo::ipc::MethodResult::Pointer result);

    bool onGetConfig(const cargo::ipc::PeerID, std::shared_ptr<api::Void>&, cargo::ipc::MethodResult::Pointer result);

    bool onStart(const cargo::ipc::PeerID, std::shared_ptr<api::Void>&, cargo::ipc::MethodResult::Pointer result);

    bool onStop(const cargo::ipc::PeerID, std::shared_ptr<api::Void>&, cargo::ipc::MethodResult::Pointer result);

};

} // namespace lxcpp

#endif // LXCPP_GUARD_HPP