blob: 9127a417b93ea5f8cc57769ce04b0e657b0ece2a (
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
|
//
// win_fd_set_adapter.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff 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_DETAIL_WIN_FD_SET_ADAPTER_HPP
#define BOOST_ASIO_DETAIL_WIN_FD_SET_ADAPTER_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/push_options.hpp>
#include <boost/asio/detail/socket_types.hpp>
#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
namespace boost {
namespace asio {
namespace detail {
// Adapts the FD_SET type to meet the Descriptor_Set concept's requirements.
class win_fd_set_adapter
{
public:
enum { win_fd_set_size = 1024 };
win_fd_set_adapter()
: max_descriptor_(invalid_socket)
{
fd_set_.fd_count = 0;
}
bool set(socket_type descriptor)
{
for (u_int i = 0; i < fd_set_.fd_count; ++i)
if (fd_set_.fd_array[i] == descriptor)
return true;
if (fd_set_.fd_count < win_fd_set_size)
{
fd_set_.fd_array[fd_set_.fd_count++] = descriptor;
return true;
}
return false;
}
bool is_set(socket_type descriptor) const
{
return !!__WSAFDIsSet(descriptor,
const_cast<fd_set*>(reinterpret_cast<const fd_set*>(&fd_set_)));
}
operator fd_set*()
{
return reinterpret_cast<fd_set*>(&fd_set_);
}
socket_type max_descriptor() const
{
return max_descriptor_;
}
private:
// This structure is defined to be compatible with the Windows API fd_set
// structure, but without being dependent on the value of FD_SETSIZE.
struct win_fd_set
{
u_int fd_count;
SOCKET fd_array[win_fd_set_size];
};
win_fd_set fd_set_;
socket_type max_descriptor_;
};
} // namespace detail
} // namespace asio
} // namespace boost
#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
#include <boost/asio/detail/pop_options.hpp>
#endif // BOOST_ASIO_DETAIL_WIN_FD_SET_ADAPTER_HPP
|
Swift