1//
2// impl/error.ipp
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_IMPL_ERROR_IPP
12#define BOOST_ASIO_IMPL_ERROR_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 <string>
20#include <boost/asio/error.hpp>
21
22#include <boost/asio/detail/push_options.hpp>
23
24namespace boost {
25namespace asio {
26namespace error {
27
28#if !defined(BOOST_ASIO_WINDOWS) && !defined(__CYGWIN__)
29
30namespace detail {
31
32class netdb_category : public boost::system::error_category
33{
34public:
35 const char* name() const BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT
36 {
37 return "asio.netdb";
38 }
39
40 std::string message(int value) const
41 {
42 if (value == error::host_not_found)
43 return "Host not found (authoritative)";
44 if (value == error::host_not_found_try_again)
45 return "Host not found (non-authoritative), try again later";
46 if (value == error::no_data)
47 return "The query is valid, but it does not have associated data";
48 if (value == error::no_recovery)
49 return "A non-recoverable error occurred during database lookup";
50 return "asio.netdb error";
51 }
52};
53
54} // namespace detail
55
56const boost::system::error_category& get_netdb_category()
57{
58 static detail::netdb_category instance;
59 return instance;
60}
61
62namespace detail {
63
64class addrinfo_category : public boost::system::error_category
65{
66public:
67 const char* name() const BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT
68 {
69 return "asio.addrinfo";
70 }
71
72 std::string message(int value) const
73 {
74 if (value == error::service_not_found)
75 return "Service not found";
76 if (value == error::socket_type_not_supported)
77 return "Socket type not supported";
78 return "asio.addrinfo error";
79 }
80};
81
82} // namespace detail
83
84const boost::system::error_category& get_addrinfo_category()
85{
86 static detail::addrinfo_category instance;
87 return instance;
88}
89
90#endif // !defined(BOOST_ASIO_WINDOWS) && !defined(__CYGWIN__)
91
92namespace detail {
93
94class misc_category : public boost::system::error_category
95{
96public:
97 const char* name() const BOOST_ASIO_ERROR_CATEGORY_NOEXCEPT
98 {
99 return "asio.misc";
100 }
101
102 std::string message(int value) const
103 {
104 if (value == error::already_open)
105 return "Already open";
106 if (value == error::eof)
107 return "End of file";
108 if (value == error::not_found)
109 return "Element not found";
110 if (value == error::fd_set_failure)
111 return "The descriptor does not fit into the select call's fd_set";
112 return "asio.misc error";
113 }
114};
115
116} // namespace detail
117
118const boost::system::error_category& get_misc_category()
119{
120 static detail::misc_category instance;
121 return instance;
122}
123
124} // namespace error
125} // namespace asio
126} // namespace boost
127
128#include <boost/asio/detail/pop_options.hpp>
129
130#endif // BOOST_ASIO_IMPL_ERROR_IPP
131