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1 | // |
2 | // ip/detail/impl/endpoint.ipp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
5 | // Copyright (c) 2003-2016 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_DETAIL_IMPL_ENDPOINT_IPP | |
12 | #define BOOST_ASIO_IP_DETAIL_IMPL_ENDPOINT_IPP | |
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 <cstring> | |
20 | #if !defined(BOOST_ASIO_NO_IOSTREAM) | |
21 | # include <sstream> | |
22 | #endif // !defined(BOOST_ASIO_NO_IOSTREAM) | |
23 | #include <boost/asio/detail/socket_ops.hpp> | |
24 | #include <boost/asio/detail/throw_error.hpp> | |
25 | #include <boost/asio/error.hpp> | |
26 | #include <boost/asio/ip/detail/endpoint.hpp> | |
27 | ||
28 | #include <boost/asio/detail/push_options.hpp> | |
29 | ||
30 | namespace boost { | |
31 | namespace asio { | |
32 | namespace ip { | |
33 | namespace detail { | |
34 | ||
35 | endpoint::endpoint() | |
36 | : data_() | |
37 | { | |
38 | data_.v4.sin_family = BOOST_ASIO_OS_DEF(AF_INET); | |
39 | data_.v4.sin_port = 0; | |
40 | data_.v4.sin_addr.s_addr = BOOST_ASIO_OS_DEF(INADDR_ANY); | |
41 | } | |
42 | ||
43 | endpoint::endpoint(int family, unsigned short port_num) | |
44 | : data_() | |
45 | { | |
46 | using namespace std; // For memcpy. | |
47 | if (family == BOOST_ASIO_OS_DEF(AF_INET)) | |
48 | { | |
49 | data_.v4.sin_family = BOOST_ASIO_OS_DEF(AF_INET); | |
50 | data_.v4.sin_port = | |
51 | boost::asio::detail::socket_ops::host_to_network_short(port_num); | |
52 | data_.v4.sin_addr.s_addr = BOOST_ASIO_OS_DEF(INADDR_ANY); | |
53 | } | |
54 | else | |
55 | { | |
56 | data_.v6.sin6_family = BOOST_ASIO_OS_DEF(AF_INET6); | |
57 | data_.v6.sin6_port = | |
58 | boost::asio::detail::socket_ops::host_to_network_short(port_num); | |
59 | data_.v6.sin6_flowinfo = 0; | |
60 | data_.v6.sin6_addr.s6_addr[0] = 0; data_.v6.sin6_addr.s6_addr[1] = 0; | |
61 | data_.v6.sin6_addr.s6_addr[2] = 0, data_.v6.sin6_addr.s6_addr[3] = 0; | |
62 | data_.v6.sin6_addr.s6_addr[4] = 0, data_.v6.sin6_addr.s6_addr[5] = 0; | |
63 | data_.v6.sin6_addr.s6_addr[6] = 0, data_.v6.sin6_addr.s6_addr[7] = 0; | |
64 | data_.v6.sin6_addr.s6_addr[8] = 0, data_.v6.sin6_addr.s6_addr[9] = 0; | |
65 | data_.v6.sin6_addr.s6_addr[10] = 0, data_.v6.sin6_addr.s6_addr[11] = 0; | |
66 | data_.v6.sin6_addr.s6_addr[12] = 0, data_.v6.sin6_addr.s6_addr[13] = 0; | |
67 | data_.v6.sin6_addr.s6_addr[14] = 0, data_.v6.sin6_addr.s6_addr[15] = 0; | |
68 | data_.v6.sin6_scope_id = 0; | |
69 | } | |
70 | } | |
71 | ||
72 | endpoint::endpoint(const boost::asio::ip::address& addr, | |
73 | unsigned short port_num) | |
74 | : data_() | |
75 | { | |
76 | using namespace std; // For memcpy. | |
77 | if (addr.is_v4()) | |
78 | { | |
79 | data_.v4.sin_family = BOOST_ASIO_OS_DEF(AF_INET); | |
80 | data_.v4.sin_port = | |
81 | boost::asio::detail::socket_ops::host_to_network_short(port_num); | |
82 | data_.v4.sin_addr.s_addr = | |
83 | boost::asio::detail::socket_ops::host_to_network_long( | |
84 | static_cast<boost::asio::detail::u_long_type>( | |
85 | addr.to_v4().to_ulong())); | |
86 | } | |
87 | else | |
88 | { | |
89 | data_.v6.sin6_family = BOOST_ASIO_OS_DEF(AF_INET6); | |
90 | data_.v6.sin6_port = | |
91 | boost::asio::detail::socket_ops::host_to_network_short(port_num); | |
92 | data_.v6.sin6_flowinfo = 0; | |
93 | boost::asio::ip::address_v6 v6_addr = addr.to_v6(); | |
94 | boost::asio::ip::address_v6::bytes_type bytes = v6_addr.to_bytes(); | |
95 | memcpy(data_.v6.sin6_addr.s6_addr, bytes.data(), 16); | |
96 | data_.v6.sin6_scope_id = | |
97 | static_cast<boost::asio::detail::u_long_type>( | |
98 | v6_addr.scope_id()); | |
99 | } | |
100 | } | |
101 | ||
102 | void endpoint::resize(std::size_t new_size) | |
103 | { | |
104 | if (new_size > sizeof(boost::asio::detail::sockaddr_storage_type)) | |
105 | { | |
106 | boost::system::error_code ec(boost::asio::error::invalid_argument); | |
107 | boost::asio::detail::throw_error(ec); | |
108 | } | |
109 | } | |
110 | ||
111 | unsigned short endpoint::port() const | |
112 | { | |
113 | if (is_v4()) | |
114 | { | |
115 | return boost::asio::detail::socket_ops::network_to_host_short( | |
116 | data_.v4.sin_port); | |
117 | } | |
118 | else | |
119 | { | |
120 | return boost::asio::detail::socket_ops::network_to_host_short( | |
121 | data_.v6.sin6_port); | |
122 | } | |
123 | } | |
124 | ||
125 | void endpoint::port(unsigned short port_num) | |
126 | { | |
127 | if (is_v4()) | |
128 | { | |
129 | data_.v4.sin_port | |
130 | = boost::asio::detail::socket_ops::host_to_network_short(port_num); | |
131 | } | |
132 | else | |
133 | { | |
134 | data_.v6.sin6_port | |
135 | = boost::asio::detail::socket_ops::host_to_network_short(port_num); | |
136 | } | |
137 | } | |
138 | ||
139 | boost::asio::ip::address endpoint::address() const | |
140 | { | |
141 | using namespace std; // For memcpy. | |
142 | if (is_v4()) | |
143 | { | |
144 | return boost::asio::ip::address_v4( | |
145 | boost::asio::detail::socket_ops::network_to_host_long( | |
146 | data_.v4.sin_addr.s_addr)); | |
147 | } | |
148 | else | |
149 | { | |
150 | boost::asio::ip::address_v6::bytes_type bytes; | |
151 | #if defined(BOOST_ASIO_HAS_STD_ARRAY) | |
152 | memcpy(bytes.data(), data_.v6.sin6_addr.s6_addr, 16); | |
153 | #else // defined(BOOST_ASIO_HAS_STD_ARRAY) | |
154 | memcpy(bytes.elems, data_.v6.sin6_addr.s6_addr, 16); | |
155 | #endif // defined(BOOST_ASIO_HAS_STD_ARRAY) | |
156 | return boost::asio::ip::address_v6(bytes, data_.v6.sin6_scope_id); | |
157 | } | |
158 | } | |
159 | ||
160 | void endpoint::address(const boost::asio::ip::address& addr) | |
161 | { | |
162 | endpoint tmp_endpoint(addr, port()); | |
163 | data_ = tmp_endpoint.data_; | |
164 | } | |
165 | ||
166 | bool operator==(const endpoint& e1, const endpoint& e2) | |
167 | { | |
168 | return e1.address() == e2.address() && e1.port() == e2.port(); | |
169 | } | |
170 | ||
171 | bool operator<(const endpoint& e1, const endpoint& e2) | |
172 | { | |
173 | if (e1.address() < e2.address()) | |
174 | return true; | |
175 | if (e1.address() != e2.address()) | |
176 | return false; | |
177 | return e1.port() < e2.port(); | |
178 | } | |
179 | ||
180 | #if !defined(BOOST_ASIO_NO_IOSTREAM) | |
181 | std::string endpoint::to_string(boost::system::error_code& ec) const | |
182 | { | |
183 | std::string a = address().to_string(ec); | |
184 | if (ec) | |
185 | return std::string(); | |
186 | ||
187 | std::ostringstream tmp_os; | |
188 | tmp_os.imbue(std::locale::classic()); | |
189 | if (is_v4()) | |
190 | tmp_os << a; | |
191 | else | |
192 | tmp_os << '[' << a << ']'; | |
193 | tmp_os << ':' << port(); | |
194 | ||
195 | return tmp_os.str(); | |
196 | } | |
197 | #endif // !defined(BOOST_ASIO_NO_IOSTREAM) | |
198 | ||
199 | } // namespace detail | |
200 | } // namespace ip | |
201 | } // namespace asio | |
202 | } // namespace boost | |
203 | ||
204 | #include <boost/asio/detail/pop_options.hpp> | |
205 | ||
206 | #endif // BOOST_ASIO_IP_DETAIL_IMPL_ENDPOINT_IPP |