git.m6w6.name Git - m6w6/libmemcached/blob - test/lib/Connection.hpp

   1 /*
   2     +--------------------------------------------------------------------+
   3     | libmemcached - C/C++ Client Library for memcached                  |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted under the terms of the BSD license.    |
   7     | You should have received a copy of the license in a bundled file   |
   8     | named LICENSE; in case you did not receive a copy you can review   |
   9     | the terms online at: https://opensource.org/licenses/BSD-3-Clause  |
  10     +--------------------------------------------------------------------+
  11     | Copyright (c) 2006-2014 Brian Aker   https://datadifferential.com/ |
  12     | Copyright (c) 2020 Michael Wallner   <mike@php.net>                |
  13     +--------------------------------------------------------------------+
  14 */
  15
  16 #pragma once
  17
  18 #include "common.hpp"
  19
  20 #include <sys/socket.h>
  21 #include <sys/un.h>
  22
  23 class Connection {
  24 public:
  25   explicit Connection(socket_or_port_t socket_or_port);
  26   ~Connection();
  27
  28   friend void swap(Connection &a, Connection &b);
  29   void swap(Connection &conn);
  30
  31   Connection(const Connection &conn);
  32   Connection &operator=(const Connection &conn);
  33
  34   Connection(Connection &&conn) noexcept;
  35   Connection &operator=(Connection &&conn) noexcept;
  36
  37   int getError();
  38   int getLastError();
  39
  40   bool isWritable();
  41   bool isOpen();
  42
  43   bool open();
  44   void close();
  45
  46 private:
  47   int sock{-1}, last_err{-1};
  48   sockaddr_storage addr{};
  49   enum sockaddr_size {
  50     NONE = 0,
  51     UNIX = sizeof(sockaddr_un),
  52     INET = sizeof(sockaddr_in),
  53     INET6 = sizeof(sockaddr_in6)
  54   } size = NONE;
  55   bool connected{false};
  56
  57   static string error(const initializer_list<string> &args);
  58 };