summaryrefslogtreecommitdiffstats
blob: 5d2fcabd17685d9e177540bed95d4d75b52d4e71 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
//
// icmp.hpp
// ~~~~~~~~
//
// Copyright (c) 2003-2010 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#ifndef BOOST_ASIO_IP_ICMP_HPP
#define BOOST_ASIO_IP_ICMP_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/detail/push_options.hpp>

#include <boost/asio/basic_raw_socket.hpp>
#include <boost/asio/ip/basic_endpoint.hpp>
#include <boost/asio/ip/basic_resolver.hpp>
#include <boost/asio/ip/basic_resolver_iterator.hpp>
#include <boost/asio/ip/basic_resolver_query.hpp>
#include <boost/asio/detail/socket_types.hpp>

namespace boost {
namespace asio {
namespace ip {

/// Encapsulates the flags needed for ICMP.
/**
 * The boost::asio::ip::icmp class contains flags necessary for ICMP sockets.
 *
 * @par Thread Safety
 * @e Distinct @e objects: Safe.@n
 * @e Shared @e objects: Safe.
 *
 * @par Concepts:
 * Protocol, InternetProtocol.
 */
class icmp
{
public:
  /// The type of a ICMP endpoint.
  typedef basic_endpoint<icmp> endpoint;

  /// (Deprecated: use resolver::query.) The type of a resolver query.
  typedef basic_resolver_query<icmp> resolver_query;

  /// (Deprecated: use resolver::iterator.) The type of a resolver iterator.
  typedef basic_resolver_iterator<icmp> resolver_iterator;

  /// Construct to represent the IPv4 ICMP protocol.
  static icmp v4()
  {
    return icmp(IPPROTO_ICMP, PF_INET);
  }

  /// Construct to represent the IPv6 ICMP protocol.
  static icmp v6()
  {
    return icmp(IPPROTO_ICMPV6, PF_INET6);
  }

  /// Obtain an identifier for the type of the protocol.
  int type() const
  {
    return SOCK_RAW;
  }

  /// Obtain an identifier for the protocol.
  int protocol() const
  {
    return protocol_;
  }

  /// Obtain an identifier for the protocol family.
  int family() const
  {
    return family_;
  }

  /// The ICMP socket type.
  typedef basic_raw_socket<icmp> socket;

  /// The ICMP resolver type.
  typedef basic_resolver<icmp> resolver;

  /// Compare two protocols for equality.
  friend bool operator==(const icmp& p1, const icmp& p2)
  {
    return p1.protocol_ == p2.protocol_ && p1.family_ == p2.family_;
  }

  /// Compare two protocols for inequality.
  friend bool operator!=(const icmp& p1, const icmp& p2)
  {
    return p1.protocol_ != p2.protocol_ || p1.family_ != p2.family_;
  }

private:
  // Construct with a specific family.
  explicit icmp(int protocol, int family)
    : protocol_(protocol),
      family_(family)
  {
  }

  int protocol_;
  int family_;
};

} // namespace ip
} // namespace asio
} // namespace boost

#include <boost/asio/detail/pop_options.hpp>

#endif // BOOST_ASIO_IP_ICMP_HPP