1 | // |
2 | // generic/detail/impl/endpoint.hpp |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
4 | // |
5 | // Copyright (c) 2003-2015 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_GENERIC_DETAIL_IMPL_ENDPOINT_IPP |
12 | #define BOOST_ASIO_GENERIC_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 | |
20 | #include <cstring> |
21 | #include <typeinfo> |
22 | #include <boost/asio/detail/socket_ops.hpp> |
23 | #include <boost/asio/detail/throw_error.hpp> |
24 | #include <boost/asio/detail/throw_exception.hpp> |
25 | #include <boost/asio/error.hpp> |
26 | #include <boost/asio/generic/detail/endpoint.hpp> |
27 | |
28 | #include <boost/asio/detail/push_options.hpp> |
29 | |
30 | namespace boost { |
31 | namespace asio { |
32 | namespace generic { |
33 | namespace detail { |
34 | |
35 | endpoint::endpoint() |
36 | { |
37 | init(sock_addr: 0, sock_addr_size: 0, sock_protocol: 0); |
38 | } |
39 | |
40 | endpoint::endpoint(const void* sock_addr, |
41 | std::size_t sock_addr_size, int sock_protocol) |
42 | { |
43 | init(sock_addr, sock_addr_size, sock_protocol); |
44 | } |
45 | |
46 | void endpoint::resize(std::size_t new_size) |
47 | { |
48 | if (new_size > sizeof(boost::asio::detail::sockaddr_storage_type)) |
49 | { |
50 | boost::system::error_code ec(boost::asio::error::invalid_argument); |
51 | boost::asio::detail::throw_error(err: ec); |
52 | } |
53 | else |
54 | { |
55 | size_ = new_size; |
56 | protocol_ = 0; |
57 | } |
58 | } |
59 | |
60 | bool operator==(const endpoint& e1, const endpoint& e2) |
61 | { |
62 | using namespace std; // For memcmp. |
63 | return e1.size() == e2.size() && memcmp(s1: e1.data(), s2: e2.data(), n: e1.size()) == 0; |
64 | } |
65 | |
66 | bool operator<(const endpoint& e1, const endpoint& e2) |
67 | { |
68 | if (e1.protocol() < e2.protocol()) |
69 | return true; |
70 | |
71 | if (e1.protocol() > e2.protocol()) |
72 | return false; |
73 | |
74 | using namespace std; // For memcmp. |
75 | std::size_t compare_size = e1.size() < e2.size() ? e1.size() : e2.size(); |
76 | int compare_result = memcmp(s1: e1.data(), s2: e2.data(), n: compare_size); |
77 | |
78 | if (compare_result < 0) |
79 | return true; |
80 | |
81 | if (compare_result > 0) |
82 | return false; |
83 | |
84 | return e1.size() < e2.size(); |
85 | } |
86 | |
87 | void endpoint::init(const void* sock_addr, |
88 | std::size_t sock_addr_size, int sock_protocol) |
89 | { |
90 | if (sock_addr_size > sizeof(boost::asio::detail::sockaddr_storage_type)) |
91 | { |
92 | boost::system::error_code ec(boost::asio::error::invalid_argument); |
93 | boost::asio::detail::throw_error(err: ec); |
94 | } |
95 | |
96 | using namespace std; // For memset and memcpy. |
97 | memset(s: &data_.generic, c: 0, n: sizeof(boost::asio::detail::sockaddr_storage_type)); |
98 | memcpy(dest: &data_.generic, src: sock_addr, n: sock_addr_size); |
99 | |
100 | size_ = sock_addr_size; |
101 | protocol_ = sock_protocol; |
102 | } |
103 | |
104 | } // namespace detail |
105 | } // namespace generic |
106 | } // namespace asio |
107 | } // namespace boost |
108 | |
109 | #include <boost/asio/detail/pop_options.hpp> |
110 | |
111 | #endif // BOOST_ASIO_GENERIC_DETAIL_IMPL_ENDPOINT_IPP |
112 | |