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
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
|
// SOCK_Connector.cpp
// $Id$
#include "ace/SOCK_Connector.h"
#include "ace/INET_Addr.h"
#include "ace/Log_Msg.h"
#if defined (ACE_LACKS_INLINE_FUNCTIONS)
#include "ace/SOCK_Connector.i"
#endif /* ACE_LACKS_INLINE_FUNCTIONS */
ACE_RCSID(ace, SOCK_Connector, "$Id$")
ACE_ALLOC_HOOK_DEFINE(ACE_SOCK_Connector)
void
ACE_SOCK_Connector::dump (void) const
{
ACE_TRACE ("ACE_SOCK_Connector::dump");
}
int
ACE_SOCK_Connector::shared_open (ACE_SOCK_Stream &new_stream,
int protocol_family,
int protocol,
int reuse_addr)
{
ACE_TRACE ("ACE_SOCK_Connector::shared_open");
// Only open a new socket if we don't already have a valid handle.
if (new_stream.get_handle () == ACE_INVALID_HANDLE
&& new_stream.open (SOCK_STREAM,
protocol_family,
protocol,
reuse_addr) == -1)
return -1;
else
return 0;
}
int
ACE_SOCK_Connector::shared_open (ACE_SOCK_Stream &new_stream,
int protocol_family,
int protocol,
ACE_Protocol_Info *protocolinfo,
ACE_SOCK_GROUP g,
u_long flags,
int reuse_addr)
{
ACE_TRACE ("ACE_SOCK_Connector::shared_open");
// Only open a new socket if we don't already have a valid handle.
if (new_stream.get_handle () == ACE_INVALID_HANDLE
&& new_stream.open (SOCK_STREAM,
protocol_family,
protocol,
protocolinfo,
g,
flags,
reuse_addr) == -1)
return -1;
else
return 0;
}
int
ACE_SOCK_Connector::shared_connect_start (ACE_SOCK_Stream &new_stream,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap)
{
ACE_TRACE ("ACE_SOCK_Connector::shared_connect_start");
if (local_sap != ACE_Addr::sap_any)
{
sockaddr *laddr = ACE_reinterpret_cast (sockaddr *,
local_sap.get_addr ());
size_t size = local_sap.get_size ();
if (ACE_OS::bind (new_stream.get_handle (),
laddr,
size) == -1)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_stream.close ();
return -1;
}
}
// Enable non-blocking, if required.
if (timeout != 0
&& new_stream.enable (ACE_NONBLOCK) == -1)
return -1;
else
return 0;
}
int
ACE_SOCK_Connector::shared_connect_finish (ACE_SOCK_Stream &new_stream,
const ACE_Time_Value *timeout,
int result)
{
ACE_TRACE ("ACE_SOCK_Connector::shared_connect_finish");
// Save/restore errno.
ACE_Errno_Guard error (errno);
if (result == -1 && timeout != 0)
{
// Check whether the connection is in progress.
if (error == EINPROGRESS || error == EWOULDBLOCK)
{
// This expression checks if we were polling.
if (timeout->sec () == 0
&& timeout->usec () == 0)
error = EWOULDBLOCK;
// Wait synchronously using timeout.
else if (this->complete (new_stream,
0,
timeout) == -1)
error = errno;
else
return 0;
}
}
// EISCONN is treated specially since this routine may be used to
// check if we are already connected.
if (result != -1 || error == EISCONN)
// Start out with non-blocking disabled on the <new_stream>.
new_stream.disable (ACE_NONBLOCK);
else if (!(error == EWOULDBLOCK || error == ETIMEDOUT))
new_stream.close ();
return result;
}
// Actively connect and produce a new ACE_SOCK_Stream if things go well...
int
ACE_SOCK_Connector::connect (ACE_SOCK_Stream &new_stream,
const ACE_Addr &remote_sap,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int /* flags */,
int /* perms */,
int protocol_family,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Connector::connect");
if (this->shared_open (new_stream,
protocol_family,
protocol,
reuse_addr) == -1)
return -1;
else if (this->shared_connect_start (new_stream,
timeout,
local_sap) == -1)
return -1;
int result = ACE_OS::connect (new_stream.get_handle (),
ACE_reinterpret_cast (sockaddr *,
remote_sap.get_addr ()),
remote_sap.get_size ());
return this->shared_connect_finish (new_stream,
timeout,
result);
}
int
ACE_SOCK_Connector::connect (ACE_SOCK_Stream &new_stream,
const ACE_Addr &remote_sap,
ACE_QoS_Params qos_params,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
ACE_Protocol_Info * protocolinfo,
ACE_SOCK_GROUP g,
u_long flags,
int reuse_addr,
int /* perms */,
int protocol_family,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Connector::connect");
if (this->shared_open (new_stream,
protocol_family,
protocol,
protocolinfo,
g,
flags,
reuse_addr) == -1)
return -1;
else if (this->shared_connect_start (new_stream,
timeout,
local_sap) == -1)
return -1;
int result = ACE_OS::connect (new_stream.get_handle (),
ACE_reinterpret_cast (sockaddr *,
remote_sap.get_addr ()),
remote_sap.get_size (),
qos_params);
return this->shared_connect_finish (new_stream,
timeout,
result);
}
// Try to complete a non-blocking connection.
int
ACE_SOCK_Connector::complete (ACE_SOCK_Stream &new_stream,
ACE_Addr *remote_sap,
const ACE_Time_Value *tv)
{
ACE_TRACE ("ACE_SOCK_Connector::complete");
#if defined (ACE_HAS_BROKEN_NON_BLOCKING_CONNECTS)
// Win32 has a timing problem - if you check to see if the
// connection has completed too fast, it will fail - so wait
// <ACE_NON_BLOCKING_BUG_DELAY> microseconds to let it catch up.
ACE_Time_Value time (0, ACE_NON_BLOCKING_BUG_DELAY);
ACE_OS::sleep (time);
#endif /* ACE_HAS_BROKEN_NON_BLOCKING_CONNECTS */
ACE_HANDLE h = ACE::handle_timed_complete (new_stream.get_handle (),
tv);
// We failed to get connected.
if (h == ACE_INVALID_HANDLE)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_stream.close ();
return -1;
}
else if (remote_sap != 0)
{
int len = remote_sap->get_size ();
sockaddr *addr = ACE_reinterpret_cast (sockaddr *,
remote_sap->get_addr ());
if (ACE_OS::getpeername (h,
addr,
&len) == -1)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_stream.close ();
return -1;
}
}
// Start out with non-blocking disabled on the <new_stream>.
new_stream.disable (ACE_NONBLOCK);
return 0;
}
ACE_SOCK_Connector::ACE_SOCK_Connector (ACE_SOCK_Stream &new_stream,
const ACE_Addr &remote_sap,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int flags,
int perms,
int protocol_family,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Connector::ACE_SOCK_Connector");
if (this->connect (new_stream,
remote_sap,
timeout,
local_sap,
reuse_addr,
flags,
perms,
protocol_family,
protocol) == -1
&& timeout != 0
&& !(errno == EWOULDBLOCK || errno == ETIME))
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("ACE_SOCK_Connector::ACE_SOCK_Connector")));
}
ACE_SOCK_Connector::ACE_SOCK_Connector (ACE_SOCK_Stream &new_stream,
const ACE_Addr &remote_sap,
ACE_QoS_Params qos_params,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
ACE_Protocol_Info *protocolinfo,
ACE_SOCK_GROUP g,
u_long flags,
int reuse_addr,
int perms,
int protocol_family,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Connector::ACE_SOCK_Connector");
if (this->connect (new_stream,
remote_sap,
qos_params,
timeout,
local_sap,
protocolinfo,
g,
flags,
reuse_addr,
perms,
protocol_family,
protocol) == -1
&& timeout != 0
&& !(errno == EWOULDBLOCK || errno == ETIME))
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("ACE_SOCK_Connector::ACE_SOCK_Connector")));
}
|
