summaryrefslogtreecommitdiff
path: root/examples/Connection/blocking/SPIPE-connector.cpp
blob: 83ef0f5350a33ca925014980889720a77a264631 (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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
// $Id$

#if !defined (SPIPE_CONNECTOR_C)

#define SPIPE_CONNECTOR_C

#include "ace/SPIPE_Addr.h"
#include "ace/SPIPE_Connector.h"
#include "ace/Proactor.h"
#include "ace/Get_Opt.h"
#include "SPIPE-connector.h"

ACE_RCSID(blocking, SPIPE_connector, "$Id$")

Peer_Handler::Peer_Handler (int iterations)
  : iterations_ (iterations)
{
}

Peer_Handler::~Peer_Handler (void)
{
}

int
Peer_Handler::open (void *)
{
  ACE_DEBUG ((LM_DEBUG,
              "activating %d\n",
              this->get_handle ()));

  // If iterations_ has not been set, read from stdin.
  if (iterations_ == 0)
    {
      this->display_menu ();
      if (ACE_Event_Handler::register_stdin_handler
          (this,
           ACE_Reactor::instance (),
           ACE_Thread_Manager::instance ()) == -1)
        ACE_ERROR_RETURN ((LM_ERROR,
                           "%p\n",
                           "register_stdin_handler"),
                          -1);
      else
        return 0;
    }
  else // If iterations_ has been set, send iterations_ buffers.
    {
      char *buffer =
        "Oh give me a home\n"
        "Where the buffalo roam,\n"
        "And the deer and the antelope play.\n"
        "Where seldom is heard\n"
        "A discouraging word,\n"
        "And the skies are not cloudy all day.\n";
      int length = ACE_OS::strlen (buffer);

      while (iterations_-- > 0
             && this->peer ().send_n (buffer,
                                      length) == length)
        continue;

      this->peer ().close ();
      ACE_Reactor::end_event_loop();
      return 0;
    }
}

int
Peer_Handler::handle_input (ACE_HANDLE)
{
  char buf[BUFSIZ];

  ssize_t n = ACE_OS::read (ACE_STDIN,
                            buf,
                            sizeof buf);

  if (n > 0)
    if (this->peer ().send (buf, n) != n)
      ACE_ERROR_RETURN ((LM_ERROR,
                         "%p\n",
                         "write failed"),
                        -1);
    else if (n == 0) // Explicitly close the connection.
      {
        if (this->peer ().close () == -1)
          ACE_ERROR_RETURN ((LM_ERROR,
                             "%p\n",
                             "close"),
                            1);
        return -1;
      }
    else
      this->display_menu ();
  return 0;
}

int
Peer_Handler::handle_close (ACE_HANDLE,
                            ACE_Reactor_Mask)
{
  ACE_DEBUG ((LM_DEBUG,
              "Shutting down\n"));
  return 0;
}

ACE_HANDLE
Peer_Handler::get_handle (void) const
{
  return this->peer ().get_handle ();
}

void
Peer_Handler::display_menu (void)
{
  ACE_DEBUG ((LM_DEBUG,
              "\nplease enter input..: "));
}

IPC_Client::IPC_Client (void)
  : iterations_ (0),
    done_handler_ (ACE_Sig_Handler_Ex (ACE_Proactor::end_event_loop))
{
  ACE_OS::strcpy (rendezvous_,
                  ACE_TEXT ("acepipe"));
}

IPC_Client::~IPC_Client (void)
{
}

// Dynamic linking hooks.

int
IPC_Client::init (int argc, char *argv[])
{
  if (this->parse_args (argc, argv) == -1)
    return -1;
  // Handle signals through the ACE_Reactor.
  else if (ACE_Reactor::instance ()->register_handler
           (SIGINT,
            &this->done_handler_) == -1)
    return -1;

  ACE_DEBUG ((LM_DEBUG,
              "Opening %s\n",
              rendezvous_));

  Peer_Handler *ph;

  ACE_NEW_RETURN (ph,
                  Peer_Handler (iterations_),
                  -1);

  // Connect to the peer, reusing the local addr if necessary.
  if (this->connect (ph,
                     ACE_SPIPE_Addr (rendezvous_),
                     ACE_Synch_Options::defaults,
                     ACE_sap_any_cast (ACE_SPIPE_Addr &),
                     0,
                     O_RDWR | FILE_FLAG_OVERLAPPED,
                     0) == -1)
    ACE_ERROR_RETURN ((LM_ERROR,
                       "%p\n",
                       "connect"),
                      -1);

  return 0;
}

int
IPC_Client::fini (void)
{
  return 0;
}

int
IPC_Client::svc (void)
{
  ACE_Reactor::run_event_loop ();
  return 0;
}

int
IPC_Client::handle_close (ACE_HANDLE,
                          ACE_Reactor_Mask)
{
  return 0;
}

int
IPC_Client::parse_args (int argc, char *argv[])
{
  ACE_LOG_MSG->open (argv[0]);

  ACE_Get_Opt get_opt (argc, argv, "ui:r:");

  for (int c; (c = get_opt ()) != -1; )
    {
      switch (c)
        {
        case 'r':
          ACE_OS::strncpy (rendezvous_,
                           ACE_TEXT_CHAR_TO_TCHAR (get_opt.opt_arg ()),
                           sizeof rendezvous_ / sizeof ACE_TCHAR);
          break;
        case 'i':
          iterations_ = ACE_OS::atoi (get_opt.opt_arg ());
          break;
        case 'u':
        default:
          ACE_ERROR_RETURN ((LM_ERROR,
                             "usage: %n -i <iterations>\n"
                             "-r <rendezvous>\n"),
                            -1);
          break;
        }
    }

  return 0;
}


#endif /* SPIPE_CONNECTOR */


#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Connector<Peer_Handler, ACE_SPIPE_CONNECTOR>;
template class ACE_Svc_Handler<ACE_SPIPE_STREAM, ACE_NULL_SYNCH>;
template class ACE_NonBlocking_Connect_Handler<Peer_Handler>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Connector<Peer_Handler, ACE_SPIPE_CONNECTOR>
#pragma instantiate ACE_Svc_Handler<ACE_SPIPE_STREAM, ACE_NULL_SYNCH>
#pragma instantiate ACE_NonBlocking_Connect_Handler<Peer_Handler>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */