1 | // |
---|---|
2 | // local/detail/endpoint.hpp |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~ |
4 | // |
5 | // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
6 | // Derived from a public domain implementation written by Daniel Casimiro. |
7 | // |
8 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
9 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
10 | // |
11 | |
12 | #ifndef BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP |
13 | #define BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP |
14 | |
15 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
16 | # pragma once |
17 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
18 | |
19 | #include <boost/asio/detail/config.hpp> |
20 | |
21 | #if defined(BOOST_ASIO_HAS_LOCAL_SOCKETS) |
22 | |
23 | #include <cstddef> |
24 | #include <string> |
25 | #include <boost/asio/detail/socket_types.hpp> |
26 | |
27 | #include <boost/asio/detail/push_options.hpp> |
28 | |
29 | namespace boost { |
30 | namespace asio { |
31 | namespace local { |
32 | namespace detail { |
33 | |
34 | // Helper class for implementing a UNIX domain endpoint. |
35 | class endpoint |
36 | { |
37 | public: |
38 | // Default constructor. |
39 | BOOST_ASIO_DECL endpoint(); |
40 | |
41 | // Construct an endpoint using the specified path name. |
42 | BOOST_ASIO_DECL endpoint(const char* path_name); |
43 | |
44 | // Construct an endpoint using the specified path name. |
45 | BOOST_ASIO_DECL endpoint(const std::string& path_name); |
46 | |
47 | // Copy constructor. |
48 | endpoint(const endpoint& other) |
49 | : data_(other.data_), |
50 | path_length_(other.path_length_) |
51 | { |
52 | } |
53 | |
54 | // Assign from another endpoint. |
55 | endpoint& operator=(const endpoint& other) |
56 | { |
57 | data_ = other.data_; |
58 | path_length_ = other.path_length_; |
59 | return *this; |
60 | } |
61 | |
62 | // Get the underlying endpoint in the native type. |
63 | boost::asio::detail::socket_addr_type* data() |
64 | { |
65 | return &data_.base; |
66 | } |
67 | |
68 | // Get the underlying endpoint in the native type. |
69 | const boost::asio::detail::socket_addr_type* data() const |
70 | { |
71 | return &data_.base; |
72 | } |
73 | |
74 | // Get the underlying size of the endpoint in the native type. |
75 | std::size_t size() const |
76 | { |
77 | return path_length_ |
78 | + offsetof(boost::asio::detail::sockaddr_un_type, sun_path); |
79 | } |
80 | |
81 | // Set the underlying size of the endpoint in the native type. |
82 | BOOST_ASIO_DECL void resize(std::size_t size); |
83 | |
84 | // Get the capacity of the endpoint in the native type. |
85 | std::size_t capacity() const |
86 | { |
87 | return sizeof(boost::asio::detail::sockaddr_un_type); |
88 | } |
89 | |
90 | // Get the path associated with the endpoint. |
91 | BOOST_ASIO_DECL std::string path() const; |
92 | |
93 | // Set the path associated with the endpoint. |
94 | BOOST_ASIO_DECL void path(const char* p); |
95 | |
96 | // Set the path associated with the endpoint. |
97 | BOOST_ASIO_DECL void path(const std::string& p); |
98 | |
99 | // Compare two endpoints for equality. |
100 | BOOST_ASIO_DECL friend bool operator==( |
101 | const endpoint& e1, const endpoint& e2); |
102 | |
103 | // Compare endpoints for ordering. |
104 | BOOST_ASIO_DECL friend bool operator<( |
105 | const endpoint& e1, const endpoint& e2); |
106 | |
107 | private: |
108 | // The underlying UNIX socket address. |
109 | union data_union |
110 | { |
111 | boost::asio::detail::socket_addr_type base; |
112 | boost::asio::detail::sockaddr_un_type local; |
113 | } data_; |
114 | |
115 | // The length of the path associated with the endpoint. |
116 | std::size_t path_length_; |
117 | |
118 | // Initialise with a specified path. |
119 | BOOST_ASIO_DECL void init(const char* path, std::size_t path_length); |
120 | }; |
121 | |
122 | } // namespace detail |
123 | } // namespace local |
124 | } // namespace asio |
125 | } // namespace boost |
126 | |
127 | #include <boost/asio/detail/pop_options.hpp> |
128 | |
129 | #if defined(BOOST_ASIO_HEADER_ONLY) |
130 | # include <boost/asio/local/detail/impl/endpoint.ipp> |
131 | #endif // defined(BOOST_ASIO_HEADER_ONLY) |
132 | |
133 | #endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS) |
134 | |
135 | #endif // BOOST_ASIO_LOCAL_DETAIL_ENDPOINT_HPP |
136 |