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comparison: ipc/chromium/src/third_party/libevent/test/regress_bufferevent.c

ipc/chromium/src/third_party/libevent/test/regress_bufferevent.c

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-1:000000000000 0:8044c36b63e1
1 /*
2 * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
3 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /* The old tests here need assertions to work. */
29 #undef NDEBUG
30
31 #ifdef WIN32
32 #include <winsock2.h>
33 #include <windows.h>
34 #endif
35
36 #include "event2/event-config.h"
37
38 #include <sys/types.h>
39 #include <sys/stat.h>
40 #ifdef _EVENT_HAVE_SYS_TIME_H
41 #include <sys/time.h>
42 #endif
43 #include <sys/queue.h>
44 #ifndef WIN32
45 #include <sys/socket.h>
46 #include <sys/wait.h>
47 #include <signal.h>
48 #include <unistd.h>
49 #include <netdb.h>
50 #include <netinet/in.h>
51 #endif
52 #include <fcntl.h>
53 #include <signal.h>
54 #include <stdlib.h>
55 #include <stdio.h>
56 #include <string.h>
57 #include <errno.h>
58 #include <assert.h>
59
60 #ifdef _EVENT_HAVE_ARPA_INET_H
61 #include <arpa/inet.h>
62 #endif
63
64 #include "event2/event-config.h"
65 #include "event2/event.h"
66 #include "event2/event_struct.h"
67 #include "event2/event_compat.h"
68 #include "event2/tag.h"
69 #include "event2/buffer.h"
70 #include "event2/bufferevent.h"
71 #include "event2/bufferevent_compat.h"
72 #include "event2/bufferevent_struct.h"
73 #include "event2/listener.h"
74 #include "event2/util.h"
75
76 #include "bufferevent-internal.h"
77 #include "util-internal.h"
78 #ifdef WIN32
79 #include "iocp-internal.h"
80 #endif
81
82 #include "regress.h"
83 #include "regress_testutils.h"
84
85 /*
86 * simple bufferevent test
87 */
88
89 static void
90 readcb(struct bufferevent *bev, void *arg)
91 {
92 if (evbuffer_get_length(bev->input) == 8333) {
93 struct evbuffer *evbuf = evbuffer_new();
94 assert(evbuf != NULL);
95
96 /* gratuitous test of bufferevent_read_buffer */
97 bufferevent_read_buffer(bev, evbuf);
98
99 bufferevent_disable(bev, EV_READ);
100
101 if (evbuffer_get_length(evbuf) == 8333) {
102 test_ok++;
103 }
104
105 evbuffer_free(evbuf);
106 }
107 }
108
109 static void
110 writecb(struct bufferevent *bev, void *arg)
111 {
112 if (evbuffer_get_length(bev->output) == 0) {
113 test_ok++;
114 }
115 }
116
117 static void
118 errorcb(struct bufferevent *bev, short what, void *arg)
119 {
120 test_ok = -2;
121 }
122
123 static void
124 test_bufferevent_impl(int use_pair)
125 {
126 struct bufferevent *bev1 = NULL, *bev2 = NULL;
127 char buffer[8333];
128 int i;
129
130 if (use_pair) {
131 struct bufferevent *pair[2];
132 tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
133 bev1 = pair[0];
134 bev2 = pair[1];
135 bufferevent_setcb(bev1, readcb, writecb, errorcb, NULL);
136 bufferevent_setcb(bev2, readcb, writecb, errorcb, NULL);
137 tt_int_op(bufferevent_getfd(bev1), ==, -1);
138 tt_ptr_op(bufferevent_get_underlying(bev1), ==, NULL);
139 tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, bev2);
140 tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, bev1);
141 } else {
142 bev1 = bufferevent_new(pair[0], readcb, writecb, errorcb, NULL);
143 bev2 = bufferevent_new(pair[1], readcb, writecb, errorcb, NULL);
144 tt_int_op(bufferevent_getfd(bev1), ==, pair[0]);
145 tt_ptr_op(bufferevent_get_underlying(bev1), ==, NULL);
146 tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, NULL);
147 tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, NULL);
148 }
149
150 bufferevent_disable(bev1, EV_READ);
151 bufferevent_enable(bev2, EV_READ);
152
153 tt_int_op(bufferevent_get_enabled(bev1), ==, EV_WRITE);
154 tt_int_op(bufferevent_get_enabled(bev2), ==, EV_WRITE|EV_READ);
155
156 for (i = 0; i < (int)sizeof(buffer); i++)
157 buffer[i] = i;
158
159 bufferevent_write(bev1, buffer, sizeof(buffer));
160
161 event_dispatch();
162
163 bufferevent_free(bev1);
164 tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, NULL);
165 bufferevent_free(bev2);
166
167 if (test_ok != 2)
168 test_ok = 0;
169 end:
170 ;
171 }
172
173 static void
174 test_bufferevent(void)
175 {
176 test_bufferevent_impl(0);
177 }
178
179 static void
180 test_bufferevent_pair(void)
181 {
182 test_bufferevent_impl(1);
183 }
184
185 /*
186 * test watermarks and bufferevent
187 */
188
189 static void
190 wm_readcb(struct bufferevent *bev, void *arg)
191 {
192 struct evbuffer *evbuf = evbuffer_new();
193 int len = (int)evbuffer_get_length(bev->input);
194 static int nread;
195
196 assert(len >= 10 && len <= 20);
197
198 assert(evbuf != NULL);
199
200 /* gratuitous test of bufferevent_read_buffer */
201 bufferevent_read_buffer(bev, evbuf);
202
203 nread += len;
204 if (nread == 65000) {
205 bufferevent_disable(bev, EV_READ);
206 test_ok++;
207 }
208
209 evbuffer_free(evbuf);
210 }
211
212 static void
213 wm_writecb(struct bufferevent *bev, void *arg)
214 {
215 assert(evbuffer_get_length(bev->output) <= 100);
216 if (evbuffer_get_length(bev->output) == 0) {
217 evbuffer_drain(bev->output, evbuffer_get_length(bev->output));
218 test_ok++;
219 }
220 }
221
222 static void
223 wm_errorcb(struct bufferevent *bev, short what, void *arg)
224 {
225 test_ok = -2;
226 }
227
228 static void
229 test_bufferevent_watermarks_impl(int use_pair)
230 {
231 struct bufferevent *bev1 = NULL, *bev2 = NULL;
232 char buffer[65000];
233 int i;
234 test_ok = 0;
235
236 if (use_pair) {
237 struct bufferevent *pair[2];
238 tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
239 bev1 = pair[0];
240 bev2 = pair[1];
241 bufferevent_setcb(bev1, NULL, wm_writecb, errorcb, NULL);
242 bufferevent_setcb(bev2, wm_readcb, NULL, errorcb, NULL);
243 } else {
244 bev1 = bufferevent_new(pair[0], NULL, wm_writecb, wm_errorcb, NULL);
245 bev2 = bufferevent_new(pair[1], wm_readcb, NULL, wm_errorcb, NULL);
246 }
247 tt_assert(bev1);
248 tt_assert(bev2);
249 bufferevent_disable(bev1, EV_READ);
250 bufferevent_enable(bev2, EV_READ);
251
252 for (i = 0; i < (int)sizeof(buffer); i++)
253 buffer[i] = (char)i;
254
255 /* limit the reading on the receiving bufferevent */
256 bufferevent_setwatermark(bev2, EV_READ, 10, 20);
257
258 /* Tell the sending bufferevent not to notify us till it's down to
259 100 bytes. */
260 bufferevent_setwatermark(bev1, EV_WRITE, 100, 2000);
261
262 bufferevent_write(bev1, buffer, sizeof(buffer));
263
264 event_dispatch();
265
266 tt_int_op(test_ok, ==, 2);
267
268 /* The write callback drained all the data from outbuf, so we
269 * should have removed the write event... */
270 tt_assert(!event_pending(&bev2->ev_write, EV_WRITE, NULL));
271
272 end:
273 if (bev1)
274 bufferevent_free(bev1);
275 if (bev2)
276 bufferevent_free(bev2);
277 }
278
279 static void
280 test_bufferevent_watermarks(void)
281 {
282 test_bufferevent_watermarks_impl(0);
283 }
284
285 static void
286 test_bufferevent_pair_watermarks(void)
287 {
288 test_bufferevent_watermarks_impl(1);
289 }
290
291 /*
292 * Test bufferevent filters
293 */
294
295 /* strip an 'x' from each byte */
296
297 static enum bufferevent_filter_result
298 bufferevent_input_filter(struct evbuffer *src, struct evbuffer *dst,
299 ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
300 {
301 const unsigned char *buffer;
302 unsigned i;
303
304 buffer = evbuffer_pullup(src, evbuffer_get_length(src));
305 for (i = 0; i < evbuffer_get_length(src); i += 2) {
306 assert(buffer[i] == 'x');
307 evbuffer_add(dst, buffer + i + 1, 1);
308
309 if (i + 2 > evbuffer_get_length(src))
310 break;
311 }
312
313 evbuffer_drain(src, i);
314 return (BEV_OK);
315 }
316
317 /* add an 'x' before each byte */
318
319 static enum bufferevent_filter_result
320 bufferevent_output_filter(struct evbuffer *src, struct evbuffer *dst,
321 ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
322 {
323 const unsigned char *buffer;
324 unsigned i;
325
326 buffer = evbuffer_pullup(src, evbuffer_get_length(src));
327 for (i = 0; i < evbuffer_get_length(src); ++i) {
328 evbuffer_add(dst, "x", 1);
329 evbuffer_add(dst, buffer + i, 1);
330 }
331
332 evbuffer_drain(src, evbuffer_get_length(src));
333 return (BEV_OK);
334 }
335
336 static void
337 test_bufferevent_filters_impl(int use_pair)
338 {
339 struct bufferevent *bev1 = NULL, *bev2 = NULL;
340 struct bufferevent *bev1_base = NULL, *bev2_base = NULL;
341 char buffer[8333];
342 int i;
343
344 test_ok = 0;
345
346 if (use_pair) {
347 struct bufferevent *pair[2];
348 tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
349 bev1 = pair[0];
350 bev2 = pair[1];
351 } else {
352 bev1 = bufferevent_socket_new(NULL, pair[0], 0);
353 bev2 = bufferevent_socket_new(NULL, pair[1], 0);
354 }
355 bev1_base = bev1;
356 bev2_base = bev2;
357
358 for (i = 0; i < (int)sizeof(buffer); i++)
359 buffer[i] = i;
360
361 bev1 = bufferevent_filter_new(bev1, NULL, bufferevent_output_filter,
362 BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
363
364 bev2 = bufferevent_filter_new(bev2, bufferevent_input_filter,
365 NULL, BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
366 bufferevent_setcb(bev1, NULL, writecb, errorcb, NULL);
367 bufferevent_setcb(bev2, readcb, NULL, errorcb, NULL);
368
369 tt_ptr_op(bufferevent_get_underlying(bev1), ==, bev1_base);
370 tt_ptr_op(bufferevent_get_underlying(bev2), ==, bev2_base);
371 tt_int_op(bufferevent_getfd(bev1), ==, -1);
372 tt_int_op(bufferevent_getfd(bev2), ==, -1);
373
374 bufferevent_disable(bev1, EV_READ);
375 bufferevent_enable(bev2, EV_READ);
376 /* insert some filters */
377 bufferevent_write(bev1, buffer, sizeof(buffer));
378
379 event_dispatch();
380
381 if (test_ok != 2)
382 test_ok = 0;
383
384 end:
385 if (bev1)
386 bufferevent_free(bev1);
387 if (bev2)
388 bufferevent_free(bev2);
389
390 }
391
392 static void
393 test_bufferevent_filters(void)
394 {
395 test_bufferevent_filters_impl(0);
396 }
397
398 static void
399 test_bufferevent_pair_filters(void)
400 {
401 test_bufferevent_filters_impl(1);
402 }
403
404
405 static void
406 sender_writecb(struct bufferevent *bev, void *ctx)
407 {
408 if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) {
409 bufferevent_disable(bev,EV_READ|EV_WRITE);
410 bufferevent_free(bev);
411 }
412 }
413
414 static void
415 sender_errorcb(struct bufferevent *bev, short what, void *ctx)
416 {
417 TT_FAIL(("Got sender error %d",(int)what));
418 }
419
420 static int bufferevent_connect_test_flags = 0;
421 static int n_strings_read = 0;
422 static int n_reads_invoked = 0;
423
424 #define TEST_STR "Now is the time for all good events to signal for " \
425 "the good of their protocol"
426 static void
427 listen_cb(struct evconnlistener *listener, evutil_socket_t fd,
428 struct sockaddr *sa, int socklen, void *arg)
429 {
430 struct event_base *base = arg;
431 struct bufferevent *bev;
432 const char s[] = TEST_STR;
433 TT_BLATHER(("Got a request on socket %d", (int)fd ));
434 bev = bufferevent_socket_new(base, fd, bufferevent_connect_test_flags);
435 tt_assert(bev);
436 bufferevent_setcb(bev, NULL, sender_writecb, sender_errorcb, NULL);
437 bufferevent_write(bev, s, sizeof(s));
438 end:
439 ;
440 }
441
442 static void
443 reader_eventcb(struct bufferevent *bev, short what, void *ctx)
444 {
445 struct event_base *base = ctx;
446 if (what & BEV_EVENT_ERROR) {
447 perror("foobar");
448 TT_FAIL(("got connector error %d", (int)what));
449 return;
450 }
451 if (what & BEV_EVENT_CONNECTED) {
452 bufferevent_enable(bev, EV_READ);
453 }
454 if (what & BEV_EVENT_EOF) {
455 char buf[512];
456 size_t n;
457 n = bufferevent_read(bev, buf, sizeof(buf)-1);
458 buf[n] = '\0';
459 tt_str_op(buf, ==, TEST_STR);
460 if (++n_strings_read == 2)
461 event_base_loopexit(base, NULL);
462 }
463 end:
464 ;
465 }
466
467 static void
468 reader_readcb(struct bufferevent *bev, void *ctx)
469 {
470 n_reads_invoked++;
471 }
472
473 static void
474 test_bufferevent_connect(void *arg)
475 {
476 struct basic_test_data *data = arg;
477 struct evconnlistener *lev=NULL;
478 struct bufferevent *bev1=NULL, *bev2=NULL;
479 struct sockaddr_in localhost;
480 struct sockaddr_storage ss;
481 struct sockaddr *sa;
482 ev_socklen_t slen;
483
484 int be_flags=BEV_OPT_CLOSE_ON_FREE;
485
486 if (strstr((char*)data->setup_data, "defer")) {
487 be_flags |= BEV_OPT_DEFER_CALLBACKS;
488 }
489 if (strstr((char*)data->setup_data, "unlocked")) {
490 be_flags |= BEV_OPT_UNLOCK_CALLBACKS;
491 }
492 if (strstr((char*)data->setup_data, "lock")) {
493 be_flags |= BEV_OPT_THREADSAFE;
494 }
495 bufferevent_connect_test_flags = be_flags;
496 #ifdef WIN32
497 if (!strcmp((char*)data->setup_data, "unset_connectex")) {
498 struct win32_extension_fns *ext =
499 (struct win32_extension_fns *)
500 event_get_win32_extension_fns();
501 ext->ConnectEx = NULL;
502 }
503 #endif
504
505 memset(&localhost, 0, sizeof(localhost));
506
507 localhost.sin_port = 0; /* pick-a-port */
508 localhost.sin_addr.s_addr = htonl(0x7f000001L);
509 localhost.sin_family = AF_INET;
510 sa = (struct sockaddr *)&localhost;
511 lev = evconnlistener_new_bind(data->base, listen_cb, data->base,
512 LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
513 16, sa, sizeof(localhost));
514 tt_assert(lev);
515
516 sa = (struct sockaddr *)&ss;
517 slen = sizeof(ss);
518 if (regress_get_listener_addr(lev, sa, &slen) < 0) {
519 tt_abort_perror("getsockname");
520 }
521
522 tt_assert(!evconnlistener_enable(lev));
523 bev1 = bufferevent_socket_new(data->base, -1, be_flags);
524 bev2 = bufferevent_socket_new(data->base, -1, be_flags);
525 tt_assert(bev1);
526 tt_assert(bev2);
527 bufferevent_setcb(bev1, reader_readcb,NULL, reader_eventcb, data->base);
528 bufferevent_setcb(bev2, reader_readcb,NULL, reader_eventcb, data->base);
529
530 bufferevent_enable(bev1, EV_READ);
531 bufferevent_enable(bev2, EV_READ);
532
533 tt_want(!bufferevent_socket_connect(bev1, sa, sizeof(localhost)));
534 tt_want(!bufferevent_socket_connect(bev2, sa, sizeof(localhost)));
535
536 event_base_dispatch(data->base);
537
538 tt_int_op(n_strings_read, ==, 2);
539 tt_int_op(n_reads_invoked, >=, 2);
540 end:
541 if (lev)
542 evconnlistener_free(lev);
543
544 if (bev1)
545 bufferevent_free(bev1);
546
547 if (bev2)
548 bufferevent_free(bev2);
549 }
550
551 static void
552 want_fail_eventcb(struct bufferevent *bev, short what, void *ctx)
553 {
554 struct event_base *base = ctx;
555 const char *err;
556 evutil_socket_t s;
557
558 if (what & BEV_EVENT_ERROR) {
559 s = bufferevent_getfd(bev);
560 err = evutil_socket_error_to_string(evutil_socket_geterror(s));
561 TT_BLATHER(("connection failure on "EV_SOCK_FMT": %s",
562 EV_SOCK_ARG(s), err));
563 test_ok = 1;
564 } else {
565 TT_FAIL(("didn't fail? what %hd", what));
566 }
567
568 event_base_loopexit(base, NULL);
569 }
570
571 static void
572 close_socket_cb(evutil_socket_t fd, short what, void *arg)
573 {
574 evutil_socket_t *fdp = arg;
575 if (*fdp >= 0) {
576 evutil_closesocket(*fdp);
577 *fdp = -1;
578 }
579 }
580
581 static void
582 test_bufferevent_connect_fail(void *arg)
583 {
584 struct basic_test_data *data = arg;
585 struct bufferevent *bev=NULL;
586 struct sockaddr_in localhost;
587 struct sockaddr *sa = (struct sockaddr*)&localhost;
588 evutil_socket_t fake_listener = -1;
589 ev_socklen_t slen = sizeof(localhost);
590 struct event close_listener_event;
591 int close_listener_event_added = 0;
592 struct timeval one_second = { 1, 0 };
593 int r;
594
595 test_ok = 0;
596
597 memset(&localhost, 0, sizeof(localhost));
598 localhost.sin_port = 0; /* have the kernel pick a port */
599 localhost.sin_addr.s_addr = htonl(0x7f000001L);
600 localhost.sin_family = AF_INET;
601
602 /* bind, but don't listen or accept. should trigger
603 "Connection refused" reliably on most platforms. */
604 fake_listener = socket(localhost.sin_family, SOCK_STREAM, 0);
605 tt_assert(fake_listener >= 0);
606 tt_assert(bind(fake_listener, sa, slen) == 0);
607 tt_assert(getsockname(fake_listener, sa, &slen) == 0);
608 bev = bufferevent_socket_new(data->base, -1,
609 BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS);
610 tt_assert(bev);
611 bufferevent_setcb(bev, NULL, NULL, want_fail_eventcb, data->base);
612
613 r = bufferevent_socket_connect(bev, sa, slen);
614 /* XXXX we'd like to test the '0' case everywhere, but FreeBSD tells
615 * detects the error immediately, which is not really wrong of it. */
616 tt_want(r == 0 || r == -1);
617
618 /* Close the listener socket after a second. This should trigger
619 "connection refused" on some other platforms, including OSX. */
620 evtimer_assign(&close_listener_event, data->base, close_socket_cb,
621 &fake_listener);
622 event_add(&close_listener_event, &one_second);
623 close_listener_event_added = 1;
624
625 event_base_dispatch(data->base);
626
627 tt_int_op(test_ok, ==, 1);
628
629 end:
630 if (fake_listener >= 0)
631 evutil_closesocket(fake_listener);
632
633 if (bev)
634 bufferevent_free(bev);
635
636 if (close_listener_event_added)
637 event_del(&close_listener_event);
638 }
639
640 struct timeout_cb_result {
641 struct timeval read_timeout_at;
642 struct timeval write_timeout_at;
643 struct timeval last_wrote_at;
644 int n_read_timeouts;
645 int n_write_timeouts;
646 int total_calls;
647 };
648
649 static void
650 bev_timeout_write_cb(struct bufferevent *bev, void *arg)
651 {
652 struct timeout_cb_result *res = arg;
653 evutil_gettimeofday(&res->last_wrote_at, NULL);
654 }
655
656 static void
657 bev_timeout_event_cb(struct bufferevent *bev, short what, void *arg)
658 {
659 struct timeout_cb_result *res = arg;
660 ++res->total_calls;
661
662 if ((what & (BEV_EVENT_READING|BEV_EVENT_TIMEOUT))
663 == (BEV_EVENT_READING|BEV_EVENT_TIMEOUT)) {
664 evutil_gettimeofday(&res->read_timeout_at, NULL);
665 ++res->n_read_timeouts;
666 }
667 if ((what & (BEV_EVENT_WRITING|BEV_EVENT_TIMEOUT))
668 == (BEV_EVENT_WRITING|BEV_EVENT_TIMEOUT)) {
669 evutil_gettimeofday(&res->write_timeout_at, NULL);
670 ++res->n_write_timeouts;
671 }
672 }
673
674 static void
675 test_bufferevent_timeouts(void *arg)
676 {
677 /* "arg" is a string containing "pair" and/or "filter". */
678 struct bufferevent *bev1 = NULL, *bev2 = NULL;
679 struct basic_test_data *data = arg;
680 int use_pair = 0, use_filter = 0;
681 struct timeval tv_w, tv_r, started_at;
682 struct timeout_cb_result res1, res2;
683 char buf[1024];
684
685 memset(&res1, 0, sizeof(res1));
686 memset(&res2, 0, sizeof(res2));
687
688 if (strstr((char*)data->setup_data, "pair"))
689 use_pair = 1;
690 if (strstr((char*)data->setup_data, "filter"))
691 use_filter = 1;
692
693 if (use_pair) {
694 struct bufferevent *p[2];
695 tt_int_op(0, ==, bufferevent_pair_new(data->base, 0, p));
696 bev1 = p[0];
697 bev2 = p[1];
698 } else {
699 bev1 = bufferevent_socket_new(data->base, data->pair[0], 0);
700 bev2 = bufferevent_socket_new(data->base, data->pair[1], 0);
701 }
702
703 tt_assert(bev1);
704 tt_assert(bev2);
705
706 if (use_filter) {
707 struct bufferevent *bevf1, *bevf2;
708 bevf1 = bufferevent_filter_new(bev1, NULL, NULL,
709 BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
710 bevf2 = bufferevent_filter_new(bev2, NULL, NULL,
711 BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
712 tt_assert(bevf1);
713 tt_assert(bevf2);
714 bev1 = bevf1;
715 bev2 = bevf2;
716 }
717
718 /* Do this nice and early. */
719 bufferevent_disable(bev2, EV_READ);
720
721 /* bev1 will try to write and read. Both will time out. */
722 evutil_gettimeofday(&started_at, NULL);
723 tv_w.tv_sec = tv_r.tv_sec = 0;
724 tv_w.tv_usec = 100*1000;
725 tv_r.tv_usec = 150*1000;
726 bufferevent_setcb(bev1, NULL, bev_timeout_write_cb,
727 bev_timeout_event_cb, &res1);
728 bufferevent_setwatermark(bev1, EV_WRITE, 1024*1024+10, 0);
729 bufferevent_set_timeouts(bev1, &tv_r, &tv_w);
730 if (use_pair) {
731 /* For a pair, the fact that the other side isn't reading
732 * makes the writer stall */
733 bufferevent_write(bev1, "ABCDEFG", 7);
734 } else {
735 /* For a real socket, the kernel's TCP buffers can eat a
736 * fair number of bytes; make sure that at some point we
737 * have some bytes that will stall. */
738 struct evbuffer *output = bufferevent_get_output(bev1);
739 int i;
740 memset(buf, 0xbb, sizeof(buf));
741 for (i=0;i<1024;++i) {
742 evbuffer_add_reference(output, buf, sizeof(buf),
743 NULL, NULL);
744 }
745 }
746 bufferevent_enable(bev1, EV_READ|EV_WRITE);
747
748 /* bev2 has nothing to say, and isn't listening. */
749 bufferevent_setcb(bev2, NULL, bev_timeout_write_cb,
750 bev_timeout_event_cb, &res2);
751 tv_w.tv_sec = tv_r.tv_sec = 0;
752 tv_w.tv_usec = 200*1000;
753 tv_r.tv_usec = 100*1000;
754 bufferevent_set_timeouts(bev2, &tv_r, &tv_w);
755 bufferevent_enable(bev2, EV_WRITE);
756
757 tv_r.tv_sec = 1;
758 tv_r.tv_usec = 0;
759
760 event_base_loopexit(data->base, &tv_r);
761 event_base_dispatch(data->base);
762
763 /* XXXX Test that actually reading or writing a little resets the
764 * timeouts. */
765
766 /* Each buf1 timeout happens, and happens only once. */
767 tt_want(res1.n_read_timeouts);
768 tt_want(res1.n_write_timeouts);
769 tt_want(res1.n_read_timeouts == 1);
770 tt_want(res1.n_write_timeouts == 1);
771
772 test_timeval_diff_eq(&started_at, &res1.read_timeout_at, 150);
773 test_timeval_diff_eq(&started_at, &res1.write_timeout_at, 100);
774
775 end:
776 if (bev1)
777 bufferevent_free(bev1);
778 if (bev2)
779 bufferevent_free(bev2);
780 }
781
782 struct testcase_t bufferevent_testcases[] = {
783
784 LEGACY(bufferevent, TT_ISOLATED),
785 LEGACY(bufferevent_pair, TT_ISOLATED),
786 LEGACY(bufferevent_watermarks, TT_ISOLATED),
787 LEGACY(bufferevent_pair_watermarks, TT_ISOLATED),
788 LEGACY(bufferevent_filters, TT_ISOLATED),
789 LEGACY(bufferevent_pair_filters, TT_ISOLATED),
790 { "bufferevent_connect", test_bufferevent_connect, TT_FORK|TT_NEED_BASE,
791 &basic_setup, (void*)"" },
792 { "bufferevent_connect_defer", test_bufferevent_connect,
793 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"defer" },
794 { "bufferevent_connect_lock", test_bufferevent_connect,
795 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup, (void*)"lock" },
796 { "bufferevent_connect_lock_defer", test_bufferevent_connect,
797 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
798 (void*)"defer lock" },
799 { "bufferevent_connect_unlocked_cbs", test_bufferevent_connect,
800 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
801 (void*)"lock defer unlocked" },
802 { "bufferevent_connect_fail", test_bufferevent_connect_fail,
803 TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
804 { "bufferevent_timeout", test_bufferevent_timeouts,
805 TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, &basic_setup, (void*)"" },
806 { "bufferevent_timeout_pair", test_bufferevent_timeouts,
807 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"pair" },
808 { "bufferevent_timeout_filter", test_bufferevent_timeouts,
809 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"filter" },
810 { "bufferevent_timeout_filter_pair", test_bufferevent_timeouts,
811 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"filter pair" },
812 #ifdef _EVENT_HAVE_LIBZ
813 LEGACY(bufferevent_zlib, TT_ISOLATED),
814 #else
815 { "bufferevent_zlib", NULL, TT_SKIP, NULL, NULL },
816 #endif
817
818 END_OF_TESTCASES,
819 };
820
821 struct testcase_t bufferevent_iocp_testcases[] = {
822
823 LEGACY(bufferevent, TT_ISOLATED|TT_ENABLE_IOCP),
824 LEGACY(bufferevent_watermarks, TT_ISOLATED|TT_ENABLE_IOCP),
825 LEGACY(bufferevent_filters, TT_ISOLATED|TT_ENABLE_IOCP),
826 { "bufferevent_connect", test_bufferevent_connect,
827 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, (void*)"" },
828 { "bufferevent_connect_defer", test_bufferevent_connect,
829 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, (void*)"defer" },
830 { "bufferevent_connect_lock", test_bufferevent_connect,
831 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS|TT_ENABLE_IOCP, &basic_setup,
832 (void*)"lock" },
833 { "bufferevent_connect_lock_defer", test_bufferevent_connect,
834 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS|TT_ENABLE_IOCP, &basic_setup,
835 (void*)"defer lock" },
836 { "bufferevent_connect_fail", test_bufferevent_connect_fail,
837 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, NULL },
838 { "bufferevent_connect_nonblocking", test_bufferevent_connect,
839 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup,
840 (void*)"unset_connectex" },
841
842 END_OF_TESTCASES,
843 };

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