socket.hpp

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// Copyright (c) 2021 MIT Digital Currency Initiative,
//                    Federal Reserve Bank of Boston
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef OPENCBDC_TX_SRC_NETWORK_SOCKET_H_
#define OPENCBDC_TX_SRC_NETWORK_SOCKET_H_
 
#include <memory>
#include <netdb.h>
#include <string>
 
namespace cbdc::network {
    using ip_address = std::string;
    using port_number_t = unsigned short;
    using endpoint_t = std::pair<ip_address, port_number_t>;
 
    static const auto localhost = ip_address("127.0.0.1");
 
    class socket {
      public:
        socket(const socket&) = delete;
        auto operator=(const socket&) -> socket& = delete;
 
        socket(socket&&) = delete;
        auto operator=(socket&&) -> socket& = delete;
 
        virtual ~socket() = default;
 
      private:
        socket();
 
        int m_sock_fd{-1};
 
        friend class tcp_socket;
        friend class tcp_listener;
        friend class socket_selector;
 
        static auto get_addrinfo(const ip_address& address, port_number_t port)
            -> std::shared_ptr<addrinfo>;
 
        virtual auto create_socket(int domain, int type, int protocol) -> bool;
        virtual auto set_sockopts() -> bool;
    };
}
 
#endif