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
|
// Event_Handler.cpp
// $Id$
#define ACE_BUILD_DLL
#include "ace/Event_Handler.h"
#include "ace/Message_Block.h"
#include "ace/Reactor.h"
#include "ace/Thread_Manager.h"
#if !defined (__ACE_INLINE__)
#include "ace/Event_Handler.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(ace, Event_Handler, "$Id$")
// Implement conceptually abstract virtual functions in the base class
// so derived classes don't have to implement unused ones.
ACE_Event_Handler::ACE_Event_Handler (ACE_Reactor *r,
int p)
: priority_ (p),
reactor_ (r)
{
// ACE_TRACE ("ACE_Event_Handler::ACE_Event_Handler");
}
ACE_Event_Handler::~ACE_Event_Handler (void)
{
// ACE_TRACE ("ACE_Event_Handler::~ACE_Event_Handler");
}
// Gets the file descriptor associated with this I/O device.
ACE_HANDLE
ACE_Event_Handler::get_handle (void) const
{
ACE_TRACE ("ACE_Event_Handler::get_handle");
return ACE_INVALID_HANDLE;
}
// Sets the file descriptor associated with this I/O device.
void
ACE_Event_Handler::set_handle (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::set_handle");
}
// Gets the priority of this handler.
int
ACE_Event_Handler::priority (void) const
{
ACE_TRACE ("ACE_Event_Handler::priority");
return this->priority_;
}
// Sets the priority
void
ACE_Event_Handler::priority (int priority)
{
ACE_TRACE ("ACE_Event_Handler::priority");
this->priority_ = priority;
}
// Called when the object is about to be removed from the Dispatcher
// tables.
int
ACE_Event_Handler::handle_close (ACE_HANDLE, ACE_Reactor_Mask)
{
ACE_TRACE ("ACE_Event_Handler::handle_close");
return -1;
}
// Called when input becomes available on fd.
int
ACE_Event_Handler::handle_input (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_input");
return -1;
}
// Called when output is possible on fd.
int
ACE_Event_Handler::handle_output (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_output");
return -1;
}
// Called when urgent data is available on fd.
int
ACE_Event_Handler::handle_exception (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_exception");
return -1;
}
// Called when timer expires, TV stores the current time.
int
ACE_Event_Handler::handle_timeout (const ACE_Time_Value &, const void *)
{
ACE_TRACE ("ACE_Event_Handler::handle_timeout");
return -1;
}
// Called when a registered signal occurs.
int
ACE_Event_Handler::handle_signal (int, siginfo_t *, ucontext_t *)
{
ACE_TRACE ("ACE_Event_Handler::handle_signal");
return -1;
}
int
ACE_Event_Handler::handle_qos (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_qos");
return -1;
}
int
ACE_Event_Handler::handle_group_qos (ACE_HANDLE)
{
ACE_TRACE ("ACE_Event_Handler::handle_group_qos");
return -1;
}
void
ACE_Event_Handler::reactor (ACE_Reactor *reactor)
{
ACE_TRACE ("ACE_Event_Handler::reactor");
this->reactor_ = reactor;
}
ACE_Reactor *
ACE_Event_Handler::reactor (void) const
{
ACE_TRACE ("ACE_Event_Handler::reactor");
return this->reactor_;
}
#if !defined (ACE_HAS_WINCE)
// Used to read from non-socket ACE_HANDLEs in our own thread to work
// around Win32 limitations that don't allow us to select() on
// non-sockets (such as ACE_STDIN). This is commonly used in
// situations where the Reactor is used to demultiplex read events on
// ACE_STDIN on UNIX. Note that <event_handler> must be a subclass of
// <ACE_Event_Handler>. If the <get_handle> method of this event
// handler returns <ACE_INVALID_HANDLE> we default to reading from
// ACE_STDIN.
void *
ACE_Event_Handler::read_adapter (void *args)
{
ACE_Event_Handler *this_ptr = (ACE_Event_Handler *) args;
ACE_HANDLE handle = ACE_STDIN;
while (this_ptr->handle_input (handle) != -1)
continue;
this_ptr->handle_close (handle,
ACE_Event_Handler::READ_MASK);
this_ptr->reactor ()->notify ();
return 0;
}
int
ACE_Event_Handler::register_stdin_handler (ACE_Event_Handler *eh,
ACE_Reactor *reactor,
ACE_Thread_Manager *thr_mgr,
int flags)
{
#if defined (ACE_WIN32)
ACE_UNUSED_ARG (reactor);
eh->reactor (reactor);
return thr_mgr->spawn (&read_adapter, (void *) eh, flags);
#else
// Keep compilers happy.
ACE_UNUSED_ARG (flags);
ACE_UNUSED_ARG (thr_mgr);
return reactor->register_handler (ACE_STDIN,
eh,
ACE_Event_Handler::READ_MASK);
#endif /* ACE_WIN32 */
}
int
ACE_Event_Handler::remove_stdin_handler (ACE_Reactor *reactor,
ACE_Thread_Manager *thr_mgr)
{
#if defined (ACE_WIN32)
ACE_UNUSED_ARG (reactor);
ACE_UNUSED_ARG (thr_mgr);
// What should we do here?
ACE_NOTSUP_RETURN (-1);
#else
// Keep compilers happy.
ACE_UNUSED_ARG (thr_mgr);
return reactor->remove_handler (ACE_STDIN,
ACE_Event_Handler::READ_MASK);
#endif /* ACE_WIN32 */
}
#endif /* ACE_HAS_WINCE */
ACE_Notification_Buffer::ACE_Notification_Buffer (void)
{
ACE_TRACE ("ACE_Notification_Buffer::ACE_Notification_Buffer");
}
ACE_Notification_Buffer::ACE_Notification_Buffer (ACE_Event_Handler *eh,
ACE_Reactor_Mask mask)
: eh_ (eh),
mask_ (mask)
{
ACE_TRACE ("ACE_Notification_Buffer::ACE_Notification_Buffer");
}
|
