socket.hpp

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/*
*  Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved
*
*  Contact: Jan Olszak <j.olszak@samsung.com>
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License
*/

#ifndef CARGO_IPC_INTERNALS_SOCKET_HPP
#define CARGO_IPC_INTERNALS_SOCKET_HPP

#include <string>
#include <mutex>
#include <memory>

namespace cargo {
namespace ipc {

class Socket {
public:

    typedef std::unique_lock<std::recursive_mutex> Guard;

    explicit Socket(int socketFD = -1);
    Socket(Socket&& socket) noexcept;
    ~Socket() noexcept;

    Socket(const Socket&) = delete;
    Socket& operator=(const Socket&) = delete;
    Socket& operator=(Socket&&) = delete;

    int getFD() const;

    void write(const void* bufferPtr, const size_t size) const;

    void read(void* bufferPtr, const size_t size) const;

    std::shared_ptr<Socket> accept() ;

    Socket::Guard getGuard() const;


    static Socket createSocket(const std::string& path);

    static Socket connectSocket(const std::string& path, const int timeoutMs = 1000);

private:
    int mFD;
    mutable std::recursive_mutex  mCommunicationMutex;

    static int createSocketInternal(const std::string& path);
    static int getSystemdSocketInternal(const std::string& path);
};

} // namespace ipc
} // namespace cargo

#endif // CARGO_IPC_INTERNALS_SOCKET_HPP