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 <netinet/in.h>
  22 #include <sys/un.h>
  23
  24 class Connection {
  25 public:
  26   explicit Connection(socket_or_port_t socket_or_port);
  27   ~Connection();
  28
  29   friend void swap(Connection &a, Connection &b);
  30   void swap(Connection &conn);
  31
  32   Connection(const Connection &conn);
  33   Connection &operator=(const Connection &conn);
  34
  35   Connection(Connection &&conn) noexcept;
  36   Connection &operator=(Connection &&conn) noexcept;
  37
  38   int getError();
  39   int getLastError();
  40
  41   bool isWritable();
  42   bool isOpen();
  43
  44   bool open();
  45   void close();
  46
  47 private:
  48   int sock{-1}, last_err{-1};
  49   sockaddr_storage addr{};
  50   enum sockaddr_size {
  51     NONE = 0,
  52     UNIX = sizeof(sockaddr_un),
  53     INET = sizeof(sockaddr_in),
  54     INET6 = sizeof(sockaddr_in6)
  55   } size = NONE;
  56   bool connected{false};
  57
  58   static string error(const initializer_list<string> &args);
  59 };