ceph/src/boost/boost/asio/ip/icmp.hpp

   1 //
   2 // ip/icmp.hpp
   3 // ~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_IP_ICMP_HPP
  12 #define BOOST_ASIO_IP_ICMP_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19 #include <boost/asio/detail/socket_types.hpp>
  20 #include <boost/asio/basic_raw_socket.hpp>
  21 #include <boost/asio/ip/basic_endpoint.hpp>
  22 #include <boost/asio/ip/basic_resolver.hpp>
  23 #include <boost/asio/ip/basic_resolver_iterator.hpp>
  24 #include <boost/asio/ip/basic_resolver_query.hpp>
  25
  26 #include <boost/asio/detail/push_options.hpp>
  27
  28 namespace boost {
  29 namespace asio {
  30 namespace ip {
  31
  32 /// Encapsulates the flags needed for ICMP.
  33 /**
  34  * The boost::asio::ip::icmp class contains flags necessary for ICMP sockets.
  35  *
  36  * @par Thread Safety
  37  * @e Distinct @e objects: Safe.@n
  38  * @e Shared @e objects: Safe.
  39  *
  40  * @par Concepts:
  41  * Protocol, InternetProtocol.
  42  */
  43 class icmp
  44 {
  45 public:
  46   /// The type of a ICMP endpoint.
  47   typedef basic_endpoint<icmp> endpoint;
  48
  49   /// Construct to represent the IPv4 ICMP protocol.
  50   static icmp v4() BOOST_ASIO_NOEXCEPT
  51   {
  52     return icmp(BOOST_ASIO_OS_DEF(IPPROTO_ICMP),
  53         BOOST_ASIO_OS_DEF(AF_INET));
  54   }
  55
  56   /// Construct to represent the IPv6 ICMP protocol.
  57   static icmp v6() BOOST_ASIO_NOEXCEPT
  58   {
  59     return icmp(BOOST_ASIO_OS_DEF(IPPROTO_ICMPV6),
  60         BOOST_ASIO_OS_DEF(AF_INET6));
  61   }
  62
  63   /// Obtain an identifier for the type of the protocol.
  64   int type() const BOOST_ASIO_NOEXCEPT
  65   {
  66     return BOOST_ASIO_OS_DEF(SOCK_RAW);
  67   }
  68
  69   /// Obtain an identifier for the protocol.
  70   int protocol() const BOOST_ASIO_NOEXCEPT
  71   {
  72     return protocol_;
  73   }
  74
  75   /// Obtain an identifier for the protocol family.
  76   int family() const BOOST_ASIO_NOEXCEPT
  77   {
  78     return family_;
  79   }
  80
  81   /// The ICMP socket type.
  82   typedef basic_raw_socket<icmp> socket;
  83
  84   /// The ICMP resolver type.
  85   typedef basic_resolver<icmp> resolver;
  86
  87   /// Compare two protocols for equality.
  88   friend bool operator==(const icmp& p1, const icmp& p2)
  89   {
  90     return p1.protocol_ == p2.protocol_ && p1.family_ == p2.family_;
  91   }
  92
  93   /// Compare two protocols for inequality.
  94   friend bool operator!=(const icmp& p1, const icmp& p2)
  95   {
  96     return p1.protocol_ != p2.protocol_ || p1.family_ != p2.family_;
  97   }
  98
  99 private:
 100   // Construct with a specific family.
 101   explicit icmp(int protocol_id, int protocol_family) BOOST_ASIO_NOEXCEPT
 102     : protocol_(protocol_id),
 103       family_(protocol_family)
 104   {
 105   }
 106
 107   int protocol_;
 108   int family_;
 109 };
 110
 111 } // namespace ip
 112 } // namespace asio
 113 } // namespace boost
 114
 115 #include <boost/asio/detail/pop_options.hpp>
 116
 117 #endif // BOOST_ASIO_IP_ICMP_HPP