Statistics
| Revision:

root / tmp / org.txm.statsengine.r.core.win32 / res / win32 / library / BH / include / boost / asio / detail / reactive_serial_port_service.hpp @ 2486

History | View | Annotate | Download (7.9 kB)

1
//
2
// detail/reactive_serial_port_service.hpp
3
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4
//
5
// Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
6
// Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
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_DETAIL_REACTIVE_SERIAL_PORT_SERVICE_HPP
13
#define BOOST_ASIO_DETAIL_REACTIVE_SERIAL_PORT_SERVICE_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_SERIAL_PORT)
22
#if !defined(BOOST_ASIO_WINDOWS) && !defined(__CYGWIN__)
23

    
24
#include <string>
25
#include <boost/asio/error.hpp>
26
#include <boost/asio/io_service.hpp>
27
#include <boost/asio/serial_port_base.hpp>
28
#include <boost/asio/detail/descriptor_ops.hpp>
29
#include <boost/asio/detail/reactive_descriptor_service.hpp>
30

    
31
#include <boost/asio/detail/push_options.hpp>
32

    
33
namespace boost {
34
namespace asio {
35
namespace detail {
36

    
37
// Extend reactive_descriptor_service to provide serial port support.
38
class reactive_serial_port_service
39
{
40
public:
41
  // The native type of a serial port.
42
  typedef reactive_descriptor_service::native_handle_type native_handle_type;
43

    
44
  // The implementation type of the serial port.
45
  typedef reactive_descriptor_service::implementation_type implementation_type;
46

    
47
  BOOST_ASIO_DECL reactive_serial_port_service(
48
      boost::asio::io_service& io_service);
49

    
50
  // Destroy all user-defined handler objects owned by the service.
51
  BOOST_ASIO_DECL void shutdown_service();
52

    
53
  // Construct a new serial port implementation.
54
  void construct(implementation_type& impl)
55
  {
56
    descriptor_service_.construct(impl);
57
  }
58

    
59
  // Move-construct a new serial port implementation.
60
  void move_construct(implementation_type& impl,
61
      implementation_type& other_impl)
62
  {
63
    descriptor_service_.move_construct(impl, other_impl);
64
  }
65

    
66
  // Move-assign from another serial port implementation.
67
  void move_assign(implementation_type& impl,
68
      reactive_serial_port_service& other_service,
69
      implementation_type& other_impl)
70
  {
71
    descriptor_service_.move_assign(impl,
72
        other_service.descriptor_service_, other_impl);
73
  }
74

    
75
  // Destroy a serial port implementation.
76
  void destroy(implementation_type& impl)
77
  {
78
    descriptor_service_.destroy(impl);
79
  }
80

    
81
  // Open the serial port using the specified device name.
82
  BOOST_ASIO_DECL boost::system::error_code open(implementation_type& impl,
83
      const std::string& device, boost::system::error_code& ec);
84

    
85
  // Assign a native descriptor to a serial port implementation.
86
  boost::system::error_code assign(implementation_type& impl,
87
      const native_handle_type& native_descriptor,
88
      boost::system::error_code& ec)
89
  {
90
    return descriptor_service_.assign(impl, native_descriptor, ec);
91
  }
92

    
93
  // Determine whether the serial port is open.
94
  bool is_open(const implementation_type& impl) const
95
  {
96
    return descriptor_service_.is_open(impl);
97
  }
98

    
99
  // Destroy a serial port implementation.
100
  boost::system::error_code close(implementation_type& impl,
101
      boost::system::error_code& ec)
102
  {
103
    return descriptor_service_.close(impl, ec);
104
  }
105

    
106
  // Get the native serial port representation.
107
  native_handle_type native_handle(implementation_type& impl)
108
  {
109
    return descriptor_service_.native_handle(impl);
110
  }
111

    
112
  // Cancel all operations associated with the serial port.
113
  boost::system::error_code cancel(implementation_type& impl,
114
      boost::system::error_code& ec)
115
  {
116
    return descriptor_service_.cancel(impl, ec);
117
  }
118

    
119
  // Set an option on the serial port.
120
  template <typename SettableSerialPortOption>
121
  boost::system::error_code set_option(implementation_type& impl,
122
      const SettableSerialPortOption& option, boost::system::error_code& ec)
123
  {
124
    return do_set_option(impl,
125
        &reactive_serial_port_service::store_option<SettableSerialPortOption>,
126
        &option, ec);
127
  }
128

    
129
  // Get an option from the serial port.
130
  template <typename GettableSerialPortOption>
131
  boost::system::error_code get_option(const implementation_type& impl,
132
      GettableSerialPortOption& option, boost::system::error_code& ec) const
133
  {
134
    return do_get_option(impl,
135
        &reactive_serial_port_service::load_option<GettableSerialPortOption>,
136
        &option, ec);
137
  }
138

    
139
  // Send a break sequence to the serial port.
140
  boost::system::error_code send_break(implementation_type& impl,
141
      boost::system::error_code& ec)
142
  {
143
    errno = 0;
144
    descriptor_ops::error_wrapper(::tcsendbreak(
145
          descriptor_service_.native_handle(impl), 0), ec);
146
    return ec;
147
  }
148

    
149
  // Write the given data. Returns the number of bytes sent.
150
  template <typename ConstBufferSequence>
151
  size_t write_some(implementation_type& impl,
152
      const ConstBufferSequence& buffers, boost::system::error_code& ec)
153
  {
154
    return descriptor_service_.write_some(impl, buffers, ec);
155
  }
156

    
157
  // Start an asynchronous write. The data being written must be valid for the
158
  // lifetime of the asynchronous operation.
159
  template <typename ConstBufferSequence, typename Handler>
160
  void async_write_some(implementation_type& impl,
161
      const ConstBufferSequence& buffers, Handler& handler)
162
  {
163
    descriptor_service_.async_write_some(impl, buffers, handler);
164
  }
165

    
166
  // Read some data. Returns the number of bytes received.
167
  template <typename MutableBufferSequence>
168
  size_t read_some(implementation_type& impl,
169
      const MutableBufferSequence& buffers, boost::system::error_code& ec)
170
  {
171
    return descriptor_service_.read_some(impl, buffers, ec);
172
  }
173

    
174
  // Start an asynchronous read. The buffer for the data being received must be
175
  // valid for the lifetime of the asynchronous operation.
176
  template <typename MutableBufferSequence, typename Handler>
177
  void async_read_some(implementation_type& impl,
178
      const MutableBufferSequence& buffers, Handler& handler)
179
  {
180
    descriptor_service_.async_read_some(impl, buffers, handler);
181
  }
182

    
183
private:
184
  // Function pointer type for storing a serial port option.
185
  typedef boost::system::error_code (*store_function_type)(
186
      const void*, termios&, boost::system::error_code&);
187

    
188
  // Helper function template to store a serial port option.
189
  template <typename SettableSerialPortOption>
190
  static boost::system::error_code store_option(const void* option,
191
      termios& storage, boost::system::error_code& ec)
192
  {
193
    return static_cast<const SettableSerialPortOption*>(option)->store(
194
        storage, ec);
195
  }
196

    
197
  // Helper function to set a serial port option.
198
  BOOST_ASIO_DECL boost::system::error_code do_set_option(
199
      implementation_type& impl, store_function_type store,
200
      const void* option, boost::system::error_code& ec);
201

    
202
  // Function pointer type for loading a serial port option.
203
  typedef boost::system::error_code (*load_function_type)(
204
      void*, const termios&, boost::system::error_code&);
205

    
206
  // Helper function template to load a serial port option.
207
  template <typename GettableSerialPortOption>
208
  static boost::system::error_code load_option(void* option,
209
      const termios& storage, boost::system::error_code& ec)
210
  {
211
    return static_cast<GettableSerialPortOption*>(option)->load(storage, ec);
212
  }
213

    
214
  // Helper function to get a serial port option.
215
  BOOST_ASIO_DECL boost::system::error_code do_get_option(
216
      const implementation_type& impl, load_function_type load,
217
      void* option, boost::system::error_code& ec) const;
218

    
219
  // The implementation used for initiating asynchronous operations.
220
  reactive_descriptor_service descriptor_service_;
221
};
222

    
223
} // namespace detail
224
} // namespace asio
225
} // namespace boost
226

    
227
#include <boost/asio/detail/pop_options.hpp>
228

    
229
#if defined(BOOST_ASIO_HEADER_ONLY)
230
# include <boost/asio/detail/impl/reactive_serial_port_service.ipp>
231
#endif // defined(BOOST_ASIO_HEADER_ONLY)
232

    
233
#endif // !defined(BOOST_ASIO_WINDOWS) && !defined(__CYGWIN__)
234
#endif // defined(BOOST_ASIO_HAS_SERIAL_PORT)
235

    
236
#endif // BOOST_ASIO_DETAIL_REACTIVE_SERIAL_PORT_SERVICE_HPP