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
|
// $Id$
#include "ace/TLI_Connector.h"
#if defined (ACE_HAS_TLI)
#if !defined (__ACE_INLINE__)
#include "ace/TLI_Connector.inl"
#endif /* __ACE_INLINE__ */
#include "ace/Handle_Set.h"
#include "ace/ACE.h"
#include "ace/OS_NS_string.h"
#include "ace/Time_Value.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_ALLOC_HOOK_DEFINE(ACE_TLI_Connector)
void
ACE_TLI_Connector::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_TLI_Connector::dump");
#endif /* ACE_HAS_DUMP */
}
ACE_TLI_Connector::ACE_TLI_Connector (void)
{
ACE_TRACE ("ACE_TLI_Connector::ACE_TLI_Connector");
}
// Connect the <new_stream> to the <remote_sap>, waiting up to
// <timeout> amount of time if necessary. It's amazing how
// complicated this is to do in TLI...
int
ACE_TLI_Connector::connect (ACE_TLI_Stream &new_stream,
const ACE_Addr &remote_sap,
ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int flags,
int /* perms */,
const char device[],
struct t_info *info,
int rwf,
struct netbuf *udata,
struct netbuf *opt)
{
ACE_TRACE ("ACE_TLI_Connector::connect");
int result = 0;
// Only open a new endpoint if we don't already have a valid handle.
if (new_stream.get_handle () == ACE_INVALID_HANDLE
&& new_stream.open (device, flags, info) == ACE_INVALID_HANDLE)
return -1;
if (local_sap != ACE_Addr::sap_any)
{
// Bind the local endpoint to a specific addr.
struct t_bind *localaddr;
localaddr = (struct t_bind *)
ACE_OS::t_alloc (new_stream.get_handle (), T_BIND, T_ADDR);
if (localaddr == 0)
result = -1;
else
{
int one = 1;
#if !defined (ACE_HAS_FORE_ATM_XTI)
// Reusing the address causes problems with FORE's API. The
// issue may be that t_optmgmt isn't fully supported by
// FORE. t_errno is TBADOPT after the t_optmgmt call so
// maybe options are configured differently for XTI than for
// TLI (at least for FORE's implementation - XTI is supposed
// to be a superset of TLI).
if (reuse_addr
&& new_stream.set_option (SOL_SOCKET,
SO_REUSEADDR,
&one,
sizeof one) == -1)
result = -1;
else
#endif /* ACE_HAS_FORE_ATM_XTI */
{
void *addr_buf = local_sap.get_addr ();
localaddr->addr.len = local_sap.get_size ();
ACE_OS::memcpy(localaddr->addr.buf,
addr_buf,
localaddr->addr.len);
if (ACE_OS::t_bind (new_stream.get_handle (),
localaddr,
localaddr) == -1)
result = -1;
ACE_OS::t_free ((char *) localaddr,
T_BIND);
}
}
if (result == -1)
{
new_stream.close ();
return -1;
}
}
// Let TLI select the local endpoint addr.
else if (ACE_OS::t_bind (new_stream.get_handle (), 0, 0) == -1)
return -1;
struct t_call *callptr = 0;
callptr = (struct t_call *)
ACE_OS::t_alloc (new_stream.get_handle (), T_CALL, T_ADDR);
if (callptr == 0)
{
new_stream.close ();
return -1;
}
void *addr_buf = remote_sap.get_addr ();
callptr->addr.len = remote_sap.get_size ();
ACE_OS::memcpy (callptr->addr.buf,
addr_buf,
callptr->addr.len);
//callptr->addr.buf = (char *) remote_sap.get_addr ();
if (udata != 0)
ACE_OS::memcpy ((void *) &callptr->udata, (void *) udata, sizeof *udata);
if (opt != 0)
ACE_OS::memcpy ((void *) &callptr->opt, (void *) opt, sizeof *opt);
// Connect to remote endpoint.
#if defined (ACE_HAS_FORE_ATM_XTI)
// FORE's XTI/ATM driver has problems with ioctl/fcntl calls so (at least
// for now) always have blocking calls.
timeout = 0;
#endif /* ACE_HAS_FORE_ATM_XTI */
if (timeout != 0) // Enable non-blocking, if required.
{
if (new_stream.enable (ACE_NONBLOCK) == -1)
result = -1;
// Do a non-blocking connect.
if (ACE_OS::t_connect (new_stream.get_handle (), callptr, 0) == -1)
{
result = -1;
// Check to see if we simply haven't connected yet on a
// non-blocking handle or whether there's really an error.
if (t_errno == TNODATA)
{
if (*timeout == ACE_Time_Value::zero)
errno = EWOULDBLOCK;
else
result = this->complete (new_stream, 0, timeout);
}
else if (t_errno == TLOOK && new_stream.look () == T_DISCONNECT)
new_stream.rcvdis ();
}
}
// Do a blocking connect to the server.
else if (ACE_OS::t_connect (new_stream.get_handle (), callptr, 0) == -1)
result = -1;
if (result != -1)
{
new_stream.set_rwflag (rwf);
#if defined (I_PUSH) && !defined (ACE_HAS_FORE_ATM_XTI)
if (new_stream.get_rwflag ())
result = ACE_OS::ioctl (new_stream.get_handle (),
I_PUSH,
const_cast<char *> ("tirdwr"));
#endif /* I_PUSH */
}
else if (!(errno == EWOULDBLOCK || errno == ETIME))
{
// If things have gone wrong, close down and return an error.
new_stream.close ();
new_stream.set_handle (ACE_INVALID_HANDLE);
}
if (ACE_OS::t_free ((char *) callptr, T_CALL) == -1)
return -1;
return result;
}
// Try to complete a non-blocking connection.
int
ACE_TLI_Connector::complete (ACE_TLI_Stream &new_stream,
ACE_Addr *remote_sap,
ACE_Time_Value *tv)
{
ACE_TRACE ("ACE_TLI_Connector::complete");
#if defined (ACE_WIN32)
if (WaitForSingleObject (new_stream.get_handle(), tv->msec()) == WAIT_OBJECT_0)
{
if (ACE_OS::t_look (new_stream.get_handle()) == T_CONNECT)
return t_rcvconnect (new_stream.get_handle(), 0);
else
return -1;
}
else
return -1;
#else
ACE_HANDLE h = ACE::handle_timed_complete (new_stream.get_handle (),
tv,
1);
if (h == ACE_INVALID_HANDLE)
{
new_stream.close ();
return -1;
}
else // We've successfully connected!
{
if (remote_sap != 0)
{
#if defined (ACE_HAS_XTI) || defined (ACE_HAS_SVR4_TLI)
struct netbuf name;
name.maxlen = remote_sap->get_size ();
name.buf = (char *) remote_sap->get_addr ();
if (ACE_OS::t_getname (new_stream.get_handle (),
&name,
REMOTENAME) == -1)
#else /* SunOS4 */
if (0)
#endif /* ACE_HAS_XTI || ACE_HAS_SVR4_TLI */
{
new_stream.close ();
return -1;
}
}
// Start out with non-blocking disabled on the <new_stream>.
new_stream.disable (ACE_NONBLOCK);
return 0;
}
#endif /* ACE_WIN32 */
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_HAS_TLI */
|
