summaryrefslogtreecommitdiff
path: root/boost/asio/ip/network_v6.hpp
blob: 83e67338e6c29fb3db65b1a9e150d2402796762e (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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
//
// ip/network_v6.hpp
// ~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
// Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail 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_NETWORK_V6_HPP
#define BOOST_ASIO_IP_NETWORK_V6_HPP

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

#include <boost/asio/detail/config.hpp>
#include <string>
#include <boost/asio/detail/string_view.hpp>
#include <boost/system/error_code.hpp>
#include <boost/asio/ip/address_v6_range.hpp>

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

namespace boost {
namespace asio {
namespace ip {

/// Represents an IPv6 network.
/**
 * The boost::asio::ip::network_v6 class provides the ability to use and
 * manipulate IP version 6 networks.
 *
 * @par Thread Safety
 * @e Distinct @e objects: Safe.@n
 * @e Shared @e objects: Unsafe.
 */
class network_v6
{
public:
  /// Default constructor.
  network_v6() BOOST_ASIO_NOEXCEPT
    : address_(),
      prefix_length_(0)
  {
  }

  /// Construct a network based on the specified address and prefix length.
  BOOST_ASIO_DECL network_v6(const address_v6& addr,
      unsigned short prefix_len);

  /// Copy constructor.
  network_v6(const network_v6& other) BOOST_ASIO_NOEXCEPT
    : address_(other.address_),
      prefix_length_(other.prefix_length_)
  {
  }

#if defined(BOOST_ASIO_HAS_MOVE)
  /// Move constructor.
  network_v6(network_v6&& other) BOOST_ASIO_NOEXCEPT
    : address_(BOOST_ASIO_MOVE_CAST(address_v6)(other.address_)),
      prefix_length_(other.prefix_length_)
  {
  }
#endif // defined(BOOST_ASIO_HAS_MOVE)

  /// Assign from another network.
  network_v6& operator=(const network_v6& other) BOOST_ASIO_NOEXCEPT
  {
    address_ = other.address_;
    prefix_length_ = other.prefix_length_;
    return *this;
  }

#if defined(BOOST_ASIO_HAS_MOVE)
  /// Move-assign from another network.
  network_v6& operator=(network_v6&& other) BOOST_ASIO_NOEXCEPT
  {
    address_ = BOOST_ASIO_MOVE_CAST(address_v6)(other.address_);
    prefix_length_ = other.prefix_length_;
    return *this;
  }
#endif // defined(BOOST_ASIO_HAS_MOVE)

  /// Obtain the address object specified when the network object was created.
  address_v6 address() const BOOST_ASIO_NOEXCEPT
  {
    return address_;
  }

  /// Obtain the prefix length that was specified when the network object was
  /// created.
  unsigned short prefix_length() const BOOST_ASIO_NOEXCEPT
  {
    return prefix_length_;
  }

  /// Obtain an address object that represents the network address.
  BOOST_ASIO_DECL address_v6 network() const BOOST_ASIO_NOEXCEPT;

  /// Obtain an address range corresponding to the hosts in the network.
  BOOST_ASIO_DECL address_v6_range hosts() const BOOST_ASIO_NOEXCEPT;

  /// Obtain the true network address, omitting any host bits.
  network_v6 canonical() const BOOST_ASIO_NOEXCEPT
  {
    return network_v6(network(), prefix_length());
  }

  /// Test if network is a valid host address.
  bool is_host() const BOOST_ASIO_NOEXCEPT
  {
    return prefix_length_ == 128;
  }

  /// Test if a network is a real subnet of another network.
  BOOST_ASIO_DECL bool is_subnet_of(const network_v6& other) const;

  /// Get the network as an address in dotted decimal format.
  BOOST_ASIO_DECL std::string to_string() const;

  /// Get the network as an address in dotted decimal format.
  BOOST_ASIO_DECL std::string to_string(boost::system::error_code& ec) const;

  /// Compare two networks for equality.
  friend bool operator==(const network_v6& a, const network_v6& b)
  {
    return a.address_ == b.address_ && a.prefix_length_ == b.prefix_length_;
  }

  /// Compare two networks for inequality.
  friend bool operator!=(const network_v6& a, const network_v6& b)
  {
    return !(a == b);
  }

private:
  address_v6 address_;
  unsigned short prefix_length_;
};

/// Create an IPv6 network from an address and prefix length.
/**
 * @relates address_v6
 */
inline network_v6 make_network_v6(
    const address_v6& addr, unsigned short prefix_len)
{
  return network_v6(addr, prefix_len);
}

/// Create an IPv6 network from a string containing IP address and prefix
/// length.
/**
 * @relates network_v6
 */
BOOST_ASIO_DECL network_v6 make_network_v6(const char* str);

/// Create an IPv6 network from a string containing IP address and prefix
/// length.
/**
 * @relates network_v6
 */
BOOST_ASIO_DECL network_v6 make_network_v6(
    const char* str, boost::system::error_code& ec);

/// Create an IPv6 network from a string containing IP address and prefix
/// length.
/**
 * @relates network_v6
 */
BOOST_ASIO_DECL network_v6 make_network_v6(const std::string& str);

/// Create an IPv6 network from a string containing IP address and prefix
/// length.
/**
 * @relates network_v6
 */
BOOST_ASIO_DECL network_v6 make_network_v6(
    const std::string& str, boost::system::error_code& ec);

#if defined(BOOST_ASIO_HAS_STD_STRING_VIEW) \
  || defined(GENERATING_DOCUMENTATION)

/// Create an IPv6 network from a string containing IP address and prefix
/// length.
/**
 * @relates network_v6
 */
BOOST_ASIO_DECL network_v6 make_network_v6(string_view str);

/// Create an IPv6 network from a string containing IP address and prefix
/// length.
/**
 * @relates network_v6
 */
BOOST_ASIO_DECL network_v6 make_network_v6(
    string_view str, boost::system::error_code& ec);

#endif // defined(BOOST_ASIO_HAS_STD_STRING_VIEW)
       //  || defined(GENERATING_DOCUMENTATION)

#if !defined(BOOST_ASIO_NO_IOSTREAM)

/// Output a network as a string.
/**
 * Used to output a human-readable string for a specified network.
 *
 * @param os The output stream to which the string will be written.
 *
 * @param net The network to be written.
 *
 * @return The output stream.
 *
 * @relates boost::asio::ip::address_v6
 */
template <typename Elem, typename Traits>
std::basic_ostream<Elem, Traits>& operator<<(
    std::basic_ostream<Elem, Traits>& os, const network_v6& net);

#endif // !defined(BOOST_ASIO_NO_IOSTREAM)

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

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

#include <boost/asio/ip/impl/network_v6.hpp>
#if defined(BOOST_ASIO_HEADER_ONLY)
# include <boost/asio/ip/impl/network_v6.ipp>
#endif // defined(BOOST_ASIO_HEADER_ONLY)

#endif // BOOST_ASIO_IP_NETWORK_V6_HPP