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
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
|
//=============================================================================
/**
* @file Reactor_Performance_Test.cpp
*
* This test is used to time the dispatching mechanisms of the
* <ACE_Reactor>s. Both the <ACE_WFMO_Reactor> and
* <ACE_Select_Reactor> can be tested.
*
* @author Irfan Pyarali <irfan@cs.wustl.edu>
*/
//=============================================================================
#include "test_config.h"
#include "Reactor_Performance_Test.h"
#include "ace/Profile_Timer.h"
#include "ace/Get_Opt.h"
#include "ace/SOCK_Connector.h"
#include "ace/SOCK_Acceptor.h"
#include "ace/Acceptor.h"
#include "ace/Connector.h"
#include "ace/Reactor.h"
#include "ace/WFMO_Reactor.h"
#include "ace/Select_Reactor.h"
#include "ace/Auto_Ptr.h"
#if defined (ACE_HAS_THREADS) && !defined ACE_LACKS_ACCEPT
static const char ACE_ALPHABET[] = "abcdefghijklmnopqrstuvwxyz";
// Number of client (user) threads
static int opt_nconnections = 5;
// Number of data exchanges
static int opt_nloops = 200;
// Use the WFMO_Reactor
static int opt_wfmo_reactor = 0;
// Use the Select_Reactor
static int opt_select_reactor = 0;
// Extra debug messages
static int opt_debug = 0;
int Read_Handler::waiting_ = 0;
void
Read_Handler::set_countdown (int nconnections)
{
Read_Handler::waiting_ = nconnections;
}
// Initialize the Svc_Handler
int
Read_Handler::open (void *)
{
if (this->peer ().enable (ACE_NONBLOCK) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%t) Read_Handler::open, cannot set non blocking mode\n")),
-1);
if (reactor ()->register_handler (this, READ_MASK) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%t) Read_Handler::open, cannot register handler\n")),
-1);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%t) created svc_handler for handle %d\n"),
get_handle ()));
return 0;
}
// Handle incoming data
int
Read_Handler::handle_input (ACE_HANDLE handle)
{
ACE_UNUSED_ARG (handle);
char buf[BUFSIZ];
while (1)
{
ssize_t result = this->peer ().recv (buf, sizeof (buf) - 1);
if (result > 0)
{
if (opt_debug)
{
buf[result] = 0;
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%t) Read_Handler::handle_input: %s\n"),
buf));
}
}
else if (result < 0)
{
if (errno == EWOULDBLOCK)
return 0;
else
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("handle_input: %p (errno: %d)\n"),
ACE_TEXT ("recv"), ACE_ERRNO_GET));
// This will cause handle_close to get called.
return -1;
}
}
else // result == 0
{
// This will cause handle_close to get called.
return -1;
}
}
ACE_NOTREACHED (return 0);
}
// Handle connection shutdown.
int
Read_Handler::handle_close (ACE_HANDLE handle,
ACE_Reactor_Mask close_mask)
{
ACE_UNUSED_ARG (handle);
ACE_UNUSED_ARG (close_mask);
// Reduce count.
waiting_--;
// If no connections are open.
if (waiting_ == 0)
ACE_Reactor::instance ()->end_reactor_event_loop ();
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%t) Read_Handler::handle_close closing down\n")));
// Shutdown
this->destroy ();
return 0;
}
int
Write_Handler::open (void *)
{
return 0;
}
int
Write_Handler::send_data ()
{
int send_size = sizeof (ACE_ALPHABET) - 1;
if (this->peer ().send_n (ACE_ALPHABET,
send_size) != send_size)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%t) %p\n"),
ACE_TEXT ("send_n")),
-1);
return 0;
}
// Connection factories
typedef ACE_Connector<Write_Handler, ACE_SOCK_CONNECTOR> CONNECTOR;
typedef ACE_Acceptor<Read_Handler, ACE_SOCK_ACCEPTOR> ACCEPTOR;
// Execute the client tests.
void *
client (void *arg)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%t) running client\n")));
ACE_INET_Addr *connection_addr =
reinterpret_cast<ACE_INET_Addr *> (arg);
CONNECTOR connector;
int i;
// Automagic memory cleanup.
Write_Handler **temp_writers = 0;
ACE_NEW_RETURN (temp_writers,
Write_Handler *[opt_nconnections],
0);
ACE_Auto_Basic_Array_Ptr <Write_Handler *> writers (temp_writers);
ACE_TCHAR *temp_failed = 0;
ACE_NEW_RETURN (temp_failed,
ACE_TCHAR[opt_nconnections],
0);
ACE_Auto_Basic_Array_Ptr <ACE_TCHAR> failed_svc_handlers (temp_failed);
// Automagic memory cleanup.
ACE_INET_Addr *temp_addresses;
ACE_NEW_RETURN (temp_addresses,
ACE_INET_Addr [opt_nconnections],
0);
ACE_Auto_Array_Ptr <ACE_INET_Addr> addresses (temp_addresses);
// Initialize array.
for (i = 0; i < opt_nconnections; i++)
{
writers[i] = 0;
addresses[i] = *connection_addr;
}
// Connection all <opt_nconnections> svc_handlers
int result = connector.connect_n (opt_nconnections,
writers.get (),
addresses.get (),
failed_svc_handlers.get ());
if (result == -1)
{
// Print out the connections that failed...
for (i = 0; i < opt_nconnections; i++)
if (failed_svc_handlers.get ()[i])
{
ACE_INET_Addr failed_addr = addresses.get()[i];
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%t) connection failed to %s, %d\n"),
failed_addr.get_host_name (),
failed_addr.get_port_number ()));
}
return 0;
}
// If no connections failed (result == 0) then there should be valid
// ACE_Svc_handler pointers in each writers[] position. Iterate to
// send data
for (int j = 0; j < opt_nloops; j++)
for (i = 0; i < opt_nconnections; i++)
if (writers[i]->send_data () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%t) %p\n"),
ACE_TEXT ("writer::send_data")),
0);
// Cleanup
for (i = 0; i < opt_nconnections; i++)
writers[i]->destroy ();
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%t) finishing client\n")));
return 0;
}
// Sets up the correct reactor (based on platform and options).
void
create_reactor ()
{
ACE_Reactor_Impl *impl = 0;
if (opt_wfmo_reactor)
{
#if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 == 1)
ACE_NEW (impl,
ACE_WFMO_Reactor);
#endif /* ACE_HAS_WINSOCK2 == 1 */
}
else if (opt_select_reactor)
ACE_NEW (impl,
ACE_Select_Reactor);
ACE_Reactor *reactor = 0;
ACE_NEW (reactor,
ACE_Reactor (impl));
ACE_Reactor::instance (reactor);
}
// Print stats.
void
print_results (ACE_Profile_Timer::ACE_Elapsed_Time &et)
{
const ACE_TCHAR *reactor_type = 0;
if (opt_wfmo_reactor)
reactor_type = ACE_TEXT ("WFMO_Reactor");
else if (opt_select_reactor)
reactor_type = ACE_TEXT ("Select_Reactor");
else
reactor_type = ACE_TEXT ("Platform's default Reactor");
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("\n\tReactor_Performance Test statistics:\n\n")));
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("\tReactor Type: %s\n"),
reactor_type));
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("\tConnections: %d\n"),
opt_nconnections));
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("\tIteration per connection: %d\n"),
opt_nloops));
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("\n\tTiming results:\n")));
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("\t\treal time = %f secs \n\t\tuser time = %f secs \n\t\tsystem time = %f secs\n\n"),
et.real_time,
et.user_time,
et.system_time));
}
int
run_main (int argc, ACE_TCHAR *argv[])
{
ACE_START_TEST (ACE_TEXT ("Reactor_Performance_Test"));
//FUZZ: disable check_for_lack_ACE_OS
ACE_Get_Opt getopt (argc, argv, ACE_TEXT ("dswc:l:"), 1);
for (int c; (c = getopt ()) != -1; )
//FUZZ: enble check_for_lack_ACE_OS
switch (c)
{
case 's':
opt_select_reactor = 1;
break;
case 'w':
opt_wfmo_reactor = 1;
break;
case 'c':
opt_nconnections = ACE_OS::atoi (getopt.opt_arg ());
break;
case 'l':
opt_nloops = ACE_OS::atoi (getopt.opt_arg ());
break;
case 'd':
opt_debug = 1;
break;
}
// Sets up the correct reactor (based on platform and options).
create_reactor ();
// Manage memory automagically.
auto_ptr<ACE_Reactor> reactor (ACE_Reactor::instance ());
auto_ptr<ACE_Reactor_Impl> impl;
// If we are using other that the default implementation, we must
// clean up.
if (opt_select_reactor || opt_wfmo_reactor)
{
auto_ptr<ACE_Reactor_Impl> auto_impl (ACE_Reactor::instance ()->implementation ());
impl = auto_impl;
}
Read_Handler::set_countdown (opt_nconnections);
// Acceptor
ACCEPTOR acceptor;
ACE_INET_Addr server_addr;
// Bind acceptor to any port and then find out what the port was.
ACE_INET_Addr local_addr (ACE_sap_any_cast (const ACE_INET_Addr &));
if (acceptor.open (local_addr) == -1
|| acceptor.acceptor ().get_local_addr (server_addr) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%t) %p\n"),
ACE_TEXT ("open")),
-1);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%t) starting server at port %d\n"),
server_addr.get_port_number ()));
ACE_INET_Addr connection_addr (server_addr.get_port_number (),
ACE_DEFAULT_SERVER_HOST);
if (ACE_Thread_Manager::instance ()->spawn
(ACE_THR_FUNC (client),
(void *) &connection_addr,
THR_NEW_LWP | THR_DETACHED) == -1)
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%t) %p\n"),
ACE_TEXT ("thread create failed")));
ACE_Time_Value run_limit (opt_nloops / 10);
ACE_Profile_Timer timer;
timer.start ();
const int status =
ACE_Reactor::instance ()->run_reactor_event_loop (run_limit);
timer.stop ();
ACE_Profile_Timer::ACE_Elapsed_Time et;
timer.elapsed_time (et);
// Print results
print_results (et);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%t) waiting for the client thread...\n")));
ACE_Thread_Manager::instance ()->wait ();
ACE_END_TEST;
return status;
}
#else
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("Reactor_Performance_Test"));
ACE_ERROR ((LM_INFO,
ACE_TEXT ("threads/accept not supported on this platform\n")));
ACE_END_TEST;
return 0;
}
#endif /* ACE_HAS_THREADS && ! ACE_LACKS_ACCEPT */
|