2 * Copyright (c) 2003-2007 Niels Provos <provos@citi.umich.edu>
3 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
27 #include "util-internal.h"
29 /* The old tests here need assertions to work. */
37 #include "event2/event-config.h"
39 #include <sys/types.h>
41 #ifdef EVENT__HAVE_SYS_TIME_H
44 #include <sys/queue.h>
46 #include <sys/socket.h>
51 #include <netinet/in.h>
61 #ifdef EVENT__HAVE_ARPA_INET_H
62 #include <arpa/inet.h>
65 #include "event2/event-config.h"
66 #include "event2/event.h"
67 #include "event2/event_struct.h"
68 #include "event2/event_compat.h"
69 #include "event2/tag.h"
70 #include "event2/buffer.h"
71 #include "event2/bufferevent.h"
72 #include "event2/bufferevent_compat.h"
73 #include "event2/bufferevent_struct.h"
74 #include "event2/listener.h"
75 #include "event2/util.h"
77 #include "bufferevent-internal.h"
78 #include "evthread-internal.h"
79 #include "util-internal.h"
81 #include "iocp-internal.h"
85 #include "regress_testutils.h"
88 * simple bufferevent test
92 readcb(struct bufferevent *bev, void *arg)
94 if (evbuffer_get_length(bev->input) == 8333) {
95 struct evbuffer *evbuf = evbuffer_new();
96 assert(evbuf != NULL);
98 /* gratuitous test of bufferevent_read_buffer */
99 bufferevent_read_buffer(bev, evbuf);
101 bufferevent_disable(bev, EV_READ);
103 if (evbuffer_get_length(evbuf) == 8333) {
107 evbuffer_free(evbuf);
112 writecb(struct bufferevent *bev, void *arg)
114 if (evbuffer_get_length(bev->output) == 0) {
120 errorcb(struct bufferevent *bev, short what, void *arg)
126 test_bufferevent_impl(int use_pair)
128 struct bufferevent *bev1 = NULL, *bev2 = NULL;
133 struct bufferevent *pair[2];
134 tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
137 bufferevent_setcb(bev1, readcb, writecb, errorcb, bev1);
138 bufferevent_setcb(bev2, readcb, writecb, errorcb, NULL);
139 tt_int_op(bufferevent_getfd(bev1), ==, -1);
140 tt_ptr_op(bufferevent_get_underlying(bev1), ==, NULL);
141 tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, bev2);
142 tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, bev1);
144 bev1 = bufferevent_new(pair[0], readcb, writecb, errorcb, NULL);
145 bev2 = bufferevent_new(pair[1], readcb, writecb, errorcb, NULL);
146 tt_int_op(bufferevent_getfd(bev1), ==, pair[0]);
147 tt_ptr_op(bufferevent_get_underlying(bev1), ==, NULL);
148 tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, NULL);
149 tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, NULL);
154 bufferevent_data_cb r, w;
155 bufferevent_event_cb e;
157 bufferevent_getcb(bev1, &r, &w, &e, &a);
158 tt_ptr_op(r, ==, readcb);
159 tt_ptr_op(w, ==, writecb);
160 tt_ptr_op(e, ==, errorcb);
161 tt_ptr_op(a, ==, use_pair ? bev1 : NULL);
164 bufferevent_disable(bev1, EV_READ);
165 bufferevent_enable(bev2, EV_READ);
167 tt_int_op(bufferevent_get_enabled(bev1), ==, EV_WRITE);
168 tt_int_op(bufferevent_get_enabled(bev2), ==, EV_WRITE|EV_READ);
170 for (i = 0; i < (int)sizeof(buffer); i++)
173 bufferevent_write(bev1, buffer, sizeof(buffer));
177 bufferevent_free(bev2);
178 tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, NULL);
179 bufferevent_free(bev1);
188 test_bufferevent(void)
190 test_bufferevent_impl(0);
194 test_bufferevent_pair(void)
196 test_bufferevent_impl(1);
199 #if defined(EVTHREAD_USE_PTHREADS_IMPLEMENTED)
201 * Trace lock/unlock/alloc/free for locks.
202 * (More heavier then evthread_debug*)
210 size_t locked /** allow recursive locking */;
212 struct lock_unlock_base
214 /* Original callbacks */
215 struct evthread_lock_callbacks cbs;
223 static lock_wrapper *lu_find(void *lock_)
226 for (i = 0; i < lu_base.nr_locks; ++i) {
227 lock_wrapper *lock = &lu_base.locks[i];
228 if (lock->lock == lock_)
234 static void *trace_lock_alloc(unsigned locktype)
237 lu_base.locks = realloc(lu_base.locks,
238 sizeof(lock_wrapper) * lu_base.nr_locks);
239 void *lock = lu_base.cbs.alloc(locktype);
240 lu_base.locks[lu_base.nr_locks - 1] = (lock_wrapper){ lock, ALLOC, 0 };
243 static void trace_lock_free(void *lock_, unsigned locktype)
245 lock_wrapper *lock = lu_find(lock_);
246 if (!lock || lock->status == FREE || lock->locked) {
248 TT_FAIL(("lock: free error"));
251 lu_base.cbs.free(lock_, locktype);
254 static int trace_lock_lock(unsigned mode, void *lock_)
256 lock_wrapper *lock = lu_find(lock_);
257 if (!lock || lock->status == FREE) {
258 TT_FAIL(("lock: lock error"));
262 return lu_base.cbs.lock(mode, lock_);
265 static int trace_lock_unlock(unsigned mode, void *lock_)
267 lock_wrapper *lock = lu_find(lock_);
268 if (!lock || lock->status == FREE || !lock->locked) {
269 TT_FAIL(("lock: unlock error"));
273 return lu_base.cbs.unlock(mode, lock_);
276 static void lock_unlock_free_thread_cbs()
278 event_base_free(NULL);
280 /** drop immutable flag */
281 evthread_set_lock_callbacks(NULL);
282 /** avoid calling of event_global_setup_locks_() for new cbs */
283 libevent_global_shutdown();
284 /** drop immutable flag for non-debug ops (since called after shutdown) */
285 evthread_set_lock_callbacks(NULL);
288 static int use_lock_unlock_profiler(void)
290 struct evthread_lock_callbacks cbs = {
291 EVTHREAD_LOCK_API_VERSION,
292 EVTHREAD_LOCKTYPE_RECURSIVE,
298 memcpy(&lu_base.cbs, evthread_get_lock_callbacks(),
299 sizeof(lu_base.cbs));
301 lock_unlock_free_thread_cbs();
303 evthread_set_lock_callbacks(&cbs);
304 /** re-create debug locks correctly */
305 evthread_enable_lock_debugging();
311 static void free_lock_unlock_profiler(struct basic_test_data *data)
313 lock_unlock_free_thread_cbs();
318 static void test_bufferevent_pair_release_lock(void *arg)
320 struct basic_test_data *data = arg;
321 use_lock_unlock_profiler();
323 struct bufferevent *pair[2];
324 if (!bufferevent_pair_new(NULL, BEV_OPT_THREADSAFE, pair)) {
325 bufferevent_free(pair[0]);
326 bufferevent_free(pair[1]);
328 tt_abort_perror("bufferevent_pair_new");
330 free_lock_unlock_profiler(data);
337 * test watermarks and bufferevent
341 wm_readcb(struct bufferevent *bev, void *arg)
343 struct evbuffer *evbuf = evbuffer_new();
344 int len = (int)evbuffer_get_length(bev->input);
347 assert(len >= 10 && len <= 20);
349 assert(evbuf != NULL);
351 /* gratuitous test of bufferevent_read_buffer */
352 bufferevent_read_buffer(bev, evbuf);
355 if (nread == 65000) {
356 bufferevent_disable(bev, EV_READ);
360 evbuffer_free(evbuf);
364 wm_writecb(struct bufferevent *bev, void *arg)
366 assert(evbuffer_get_length(bev->output) <= 100);
367 if (evbuffer_get_length(bev->output) == 0) {
368 evbuffer_drain(bev->output, evbuffer_get_length(bev->output));
374 wm_errorcb(struct bufferevent *bev, short what, void *arg)
380 test_bufferevent_watermarks_impl(int use_pair)
382 struct bufferevent *bev1 = NULL, *bev2 = NULL;
389 struct bufferevent *pair[2];
390 tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
393 bufferevent_setcb(bev1, NULL, wm_writecb, errorcb, NULL);
394 bufferevent_setcb(bev2, wm_readcb, NULL, errorcb, NULL);
396 bev1 = bufferevent_new(pair[0], NULL, wm_writecb, wm_errorcb, NULL);
397 bev2 = bufferevent_new(pair[1], wm_readcb, NULL, wm_errorcb, NULL);
401 bufferevent_disable(bev1, EV_READ);
402 bufferevent_enable(bev2, EV_READ);
404 /* By default, low watermarks are set to 0 */
405 bufferevent_getwatermark(bev1, EV_READ, &low, NULL);
406 tt_int_op(low, ==, 0);
407 bufferevent_getwatermark(bev2, EV_WRITE, &low, NULL);
408 tt_int_op(low, ==, 0);
410 for (i = 0; i < (int)sizeof(buffer); i++)
413 /* limit the reading on the receiving bufferevent */
414 bufferevent_setwatermark(bev2, EV_READ, 10, 20);
416 bufferevent_getwatermark(bev2, EV_READ, &low, &high);
417 tt_int_op(low, ==, 10);
418 tt_int_op(high, ==, 20);
420 /* Tell the sending bufferevent not to notify us till it's down to
422 bufferevent_setwatermark(bev1, EV_WRITE, 100, 2000);
424 bufferevent_getwatermark(bev1, EV_WRITE, &low, &high);
425 tt_int_op(low, ==, 100);
426 tt_int_op(high, ==, 2000);
429 int r = bufferevent_getwatermark(bev1, EV_WRITE | EV_READ, &low, &high);
433 bufferevent_write(bev1, buffer, sizeof(buffer));
437 tt_int_op(test_ok, ==, 2);
439 /* The write callback drained all the data from outbuf, so we
440 * should have removed the write event... */
441 tt_assert(!event_pending(&bev2->ev_write, EV_WRITE, NULL));
445 bufferevent_free(bev1);
447 bufferevent_free(bev2);
451 test_bufferevent_watermarks(void)
453 test_bufferevent_watermarks_impl(0);
457 test_bufferevent_pair_watermarks(void)
459 test_bufferevent_watermarks_impl(1);
463 * Test bufferevent filters
466 /* strip an 'x' from each byte */
468 static enum bufferevent_filter_result
469 bufferevent_input_filter(struct evbuffer *src, struct evbuffer *dst,
470 ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
472 const unsigned char *buffer;
475 buffer = evbuffer_pullup(src, evbuffer_get_length(src));
476 for (i = 0; i < evbuffer_get_length(src); i += 2) {
477 assert(buffer[i] == 'x');
478 evbuffer_add(dst, buffer + i + 1, 1);
480 if (i + 2 > evbuffer_get_length(src))
484 evbuffer_drain(src, i);
488 /* add an 'x' before each byte */
490 static enum bufferevent_filter_result
491 bufferevent_output_filter(struct evbuffer *src, struct evbuffer *dst,
492 ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
494 const unsigned char *buffer;
497 buffer = evbuffer_pullup(src, evbuffer_get_length(src));
498 for (i = 0; i < evbuffer_get_length(src); ++i) {
499 evbuffer_add(dst, "x", 1);
500 evbuffer_add(dst, buffer + i, 1);
503 evbuffer_drain(src, evbuffer_get_length(src));
508 test_bufferevent_filters_impl(int use_pair)
510 struct bufferevent *bev1 = NULL, *bev2 = NULL;
511 struct bufferevent *bev1_base = NULL, *bev2_base = NULL;
518 struct bufferevent *pair[2];
519 tt_assert(0 == bufferevent_pair_new(NULL, 0, pair));
523 bev1 = bufferevent_socket_new(NULL, pair[0], 0);
524 bev2 = bufferevent_socket_new(NULL, pair[1], 0);
529 for (i = 0; i < (int)sizeof(buffer); i++)
532 bev1 = bufferevent_filter_new(bev1, NULL, bufferevent_output_filter,
533 BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
535 bev2 = bufferevent_filter_new(bev2, bufferevent_input_filter,
536 NULL, BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
537 bufferevent_setcb(bev1, NULL, writecb, errorcb, NULL);
538 bufferevent_setcb(bev2, readcb, NULL, errorcb, NULL);
540 tt_ptr_op(bufferevent_get_underlying(bev1), ==, bev1_base);
541 tt_ptr_op(bufferevent_get_underlying(bev2), ==, bev2_base);
542 tt_int_op(bufferevent_getfd(bev1), ==, -1);
543 tt_int_op(bufferevent_getfd(bev2), ==, -1);
545 bufferevent_disable(bev1, EV_READ);
546 bufferevent_enable(bev2, EV_READ);
547 /* insert some filters */
548 bufferevent_write(bev1, buffer, sizeof(buffer));
557 bufferevent_free(bev1);
559 bufferevent_free(bev2);
564 test_bufferevent_filters(void)
566 test_bufferevent_filters_impl(0);
570 test_bufferevent_pair_filters(void)
572 test_bufferevent_filters_impl(1);
577 sender_writecb(struct bufferevent *bev, void *ctx)
579 if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) {
580 bufferevent_disable(bev,EV_READ|EV_WRITE);
581 TT_BLATHER(("Flushed %d: freeing it.", (int)bufferevent_getfd(bev)));
582 bufferevent_free(bev);
587 sender_errorcb(struct bufferevent *bev, short what, void *ctx)
589 TT_FAIL(("Got sender error %d",(int)what));
592 static int bufferevent_connect_test_flags = 0;
593 static int bufferevent_trigger_test_flags = 0;
594 static int n_strings_read = 0;
595 static int n_reads_invoked = 0;
597 #define TEST_STR "Now is the time for all good events to signal for " \
598 "the good of their protocol"
600 listen_cb(struct evconnlistener *listener, evutil_socket_t fd,
601 struct sockaddr *sa, int socklen, void *arg)
603 struct event_base *base = arg;
604 struct bufferevent *bev;
605 const char s[] = TEST_STR;
606 TT_BLATHER(("Got a request on socket %d", (int)fd ));
607 bev = bufferevent_socket_new(base, fd, bufferevent_connect_test_flags);
609 bufferevent_setcb(bev, NULL, sender_writecb, sender_errorcb, NULL);
610 bufferevent_write(bev, s, sizeof(s));
616 reader_eventcb(struct bufferevent *bev, short what, void *ctx)
618 struct event_base *base = ctx;
619 if (what & BEV_EVENT_ERROR) {
621 TT_FAIL(("got connector error %d", (int)what));
624 if (what & BEV_EVENT_CONNECTED) {
625 TT_BLATHER(("connected on %d", (int)bufferevent_getfd(bev)));
626 bufferevent_enable(bev, EV_READ);
628 if (what & BEV_EVENT_EOF) {
631 n = bufferevent_read(bev, buf, sizeof(buf)-1);
634 tt_str_op(buf, ==, TEST_STR);
635 if (++n_strings_read == 2)
636 event_base_loopexit(base, NULL);
637 TT_BLATHER(("EOF on %d: %d strings read.",
638 (int)bufferevent_getfd(bev), n_strings_read));
645 reader_readcb(struct bufferevent *bev, void *ctx)
647 TT_BLATHER(("Read invoked on %d.", (int)bufferevent_getfd(bev)));
652 test_bufferevent_connect(void *arg)
654 struct basic_test_data *data = arg;
655 struct evconnlistener *lev=NULL;
656 struct bufferevent *bev1=NULL, *bev2=NULL;
657 struct sockaddr_in localhost;
658 struct sockaddr_storage ss;
662 int be_flags=BEV_OPT_CLOSE_ON_FREE;
664 if (strstr((char*)data->setup_data, "defer")) {
665 be_flags |= BEV_OPT_DEFER_CALLBACKS;
667 if (strstr((char*)data->setup_data, "unlocked")) {
668 be_flags |= BEV_OPT_UNLOCK_CALLBACKS;
670 if (strstr((char*)data->setup_data, "lock")) {
671 be_flags |= BEV_OPT_THREADSAFE;
673 bufferevent_connect_test_flags = be_flags;
675 if (!strcmp((char*)data->setup_data, "unset_connectex")) {
676 struct win32_extension_fns *ext =
677 (struct win32_extension_fns *)
678 event_get_win32_extension_fns_();
679 ext->ConnectEx = NULL;
683 memset(&localhost, 0, sizeof(localhost));
685 localhost.sin_port = 0; /* pick-a-port */
686 localhost.sin_addr.s_addr = htonl(0x7f000001L);
687 localhost.sin_family = AF_INET;
688 sa = (struct sockaddr *)&localhost;
689 lev = evconnlistener_new_bind(data->base, listen_cb, data->base,
690 LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
691 16, sa, sizeof(localhost));
694 sa = (struct sockaddr *)&ss;
696 if (regress_get_listener_addr(lev, sa, &slen) < 0) {
697 tt_abort_perror("getsockname");
700 tt_assert(!evconnlistener_enable(lev));
701 bev1 = bufferevent_socket_new(data->base, -1, be_flags);
702 bev2 = bufferevent_socket_new(data->base, -1, be_flags);
705 bufferevent_setcb(bev1, reader_readcb,NULL, reader_eventcb, data->base);
706 bufferevent_setcb(bev2, reader_readcb,NULL, reader_eventcb, data->base);
708 bufferevent_enable(bev1, EV_READ);
709 bufferevent_enable(bev2, EV_READ);
711 tt_want(!bufferevent_socket_connect(bev1, sa, sizeof(localhost)));
712 tt_want(!bufferevent_socket_connect(bev2, sa, sizeof(localhost)));
714 event_base_dispatch(data->base);
716 tt_int_op(n_strings_read, ==, 2);
717 tt_int_op(n_reads_invoked, >=, 2);
720 evconnlistener_free(lev);
723 bufferevent_free(bev1);
726 bufferevent_free(bev2);
730 want_fail_eventcb(struct bufferevent *bev, short what, void *ctx)
732 struct event_base *base = ctx;
736 if (what & BEV_EVENT_ERROR) {
737 s = bufferevent_getfd(bev);
738 err = evutil_socket_error_to_string(evutil_socket_geterror(s));
739 TT_BLATHER(("connection failure on "EV_SOCK_FMT": %s",
740 EV_SOCK_ARG(s), err));
743 TT_FAIL(("didn't fail? what %hd", what));
746 event_base_loopexit(base, NULL);
750 close_socket_cb(evutil_socket_t fd, short what, void *arg)
752 evutil_socket_t *fdp = arg;
754 evutil_closesocket(*fdp);
760 test_bufferevent_connect_fail(void *arg)
762 struct basic_test_data *data = (struct basic_test_data *)arg;
763 struct bufferevent *bev=NULL;
764 struct sockaddr_in localhost;
765 struct sockaddr *sa = (struct sockaddr*)&localhost;
766 evutil_socket_t fake_listener = -1;
767 ev_socklen_t slen = sizeof(localhost);
768 struct event close_listener_event;
769 int close_listener_event_added = 0;
770 struct timeval one_second = { 1, 0 };
775 memset(&localhost, 0, sizeof(localhost));
776 localhost.sin_port = 0; /* have the kernel pick a port */
777 localhost.sin_addr.s_addr = htonl(0x7f000001L);
778 localhost.sin_family = AF_INET;
780 /* bind, but don't listen or accept. should trigger
781 "Connection refused" reliably on most platforms. */
782 fake_listener = socket(localhost.sin_family, SOCK_STREAM, 0);
783 tt_assert(fake_listener >= 0);
784 tt_assert(bind(fake_listener, sa, slen) == 0);
785 tt_assert(getsockname(fake_listener, sa, &slen) == 0);
786 bev = bufferevent_socket_new(data->base, -1,
787 BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS);
789 bufferevent_setcb(bev, NULL, NULL, want_fail_eventcb, data->base);
791 r = bufferevent_socket_connect(bev, sa, slen);
792 /* XXXX we'd like to test the '0' case everywhere, but FreeBSD tells
793 * detects the error immediately, which is not really wrong of it. */
794 tt_want(r == 0 || r == -1);
796 /* Close the listener socket after a second. This should trigger
797 "connection refused" on some other platforms, including OSX. */
798 evtimer_assign(&close_listener_event, data->base, close_socket_cb,
800 event_add(&close_listener_event, &one_second);
801 close_listener_event_added = 1;
803 event_base_dispatch(data->base);
805 tt_int_op(test_ok, ==, 1);
808 if (fake_listener >= 0)
809 evutil_closesocket(fake_listener);
812 bufferevent_free(bev);
814 if (close_listener_event_added)
815 event_del(&close_listener_event);
818 struct timeout_cb_result {
819 struct timeval read_timeout_at;
820 struct timeval write_timeout_at;
821 struct timeval last_wrote_at;
823 int n_write_timeouts;
828 bev_timeout_write_cb(struct bufferevent *bev, void *arg)
830 struct timeout_cb_result *res = arg;
831 evutil_gettimeofday(&res->last_wrote_at, NULL);
835 bev_timeout_event_cb(struct bufferevent *bev, short what, void *arg)
837 struct timeout_cb_result *res = arg;
840 if ((what & (BEV_EVENT_READING|BEV_EVENT_TIMEOUT))
841 == (BEV_EVENT_READING|BEV_EVENT_TIMEOUT)) {
842 evutil_gettimeofday(&res->read_timeout_at, NULL);
843 ++res->n_read_timeouts;
845 if ((what & (BEV_EVENT_WRITING|BEV_EVENT_TIMEOUT))
846 == (BEV_EVENT_WRITING|BEV_EVENT_TIMEOUT)) {
847 evutil_gettimeofday(&res->write_timeout_at, NULL);
848 ++res->n_write_timeouts;
853 test_bufferevent_timeouts(void *arg)
855 /* "arg" is a string containing "pair" and/or "filter". */
856 struct bufferevent *bev1 = NULL, *bev2 = NULL;
857 struct basic_test_data *data = arg;
858 int use_pair = 0, use_filter = 0;
859 struct timeval tv_w, tv_r, started_at;
860 struct timeout_cb_result res1, res2;
863 memset(&res1, 0, sizeof(res1));
864 memset(&res2, 0, sizeof(res2));
866 if (strstr((char*)data->setup_data, "pair"))
868 if (strstr((char*)data->setup_data, "filter"))
872 struct bufferevent *p[2];
873 tt_int_op(0, ==, bufferevent_pair_new(data->base, 0, p));
877 bev1 = bufferevent_socket_new(data->base, data->pair[0], 0);
878 bev2 = bufferevent_socket_new(data->base, data->pair[1], 0);
885 struct bufferevent *bevf1, *bevf2;
886 bevf1 = bufferevent_filter_new(bev1, NULL, NULL,
887 BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
888 bevf2 = bufferevent_filter_new(bev2, NULL, NULL,
889 BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
896 /* Do this nice and early. */
897 bufferevent_disable(bev2, EV_READ);
899 /* bev1 will try to write and read. Both will time out. */
900 evutil_gettimeofday(&started_at, NULL);
901 tv_w.tv_sec = tv_r.tv_sec = 0;
902 tv_w.tv_usec = 100*1000;
903 tv_r.tv_usec = 150*1000;
904 bufferevent_setcb(bev1, NULL, bev_timeout_write_cb,
905 bev_timeout_event_cb, &res1);
906 bufferevent_setwatermark(bev1, EV_WRITE, 1024*1024+10, 0);
907 bufferevent_set_timeouts(bev1, &tv_r, &tv_w);
909 /* For a pair, the fact that the other side isn't reading
910 * makes the writer stall */
911 bufferevent_write(bev1, "ABCDEFG", 7);
913 /* For a real socket, the kernel's TCP buffers can eat a
914 * fair number of bytes; make sure that at some point we
915 * have some bytes that will stall. */
916 struct evbuffer *output = bufferevent_get_output(bev1);
918 memset(buf, 0xbb, sizeof(buf));
919 for (i=0;i<1024;++i) {
920 evbuffer_add_reference(output, buf, sizeof(buf),
924 bufferevent_enable(bev1, EV_READ|EV_WRITE);
926 /* bev2 has nothing to say, and isn't listening. */
927 bufferevent_setcb(bev2, NULL, bev_timeout_write_cb,
928 bev_timeout_event_cb, &res2);
929 tv_w.tv_sec = tv_r.tv_sec = 0;
930 tv_w.tv_usec = 200*1000;
931 tv_r.tv_usec = 100*1000;
932 bufferevent_set_timeouts(bev2, &tv_r, &tv_w);
933 bufferevent_enable(bev2, EV_WRITE);
936 tv_r.tv_usec = 350000;
938 event_base_loopexit(data->base, &tv_r);
939 event_base_dispatch(data->base);
941 /* XXXX Test that actually reading or writing a little resets the
944 /* Each buf1 timeout happens, and happens only once. */
945 tt_want(res1.n_read_timeouts);
946 tt_want(res1.n_write_timeouts);
947 tt_want(res1.n_read_timeouts == 1);
948 tt_want(res1.n_write_timeouts == 1);
950 test_timeval_diff_eq(&started_at, &res1.read_timeout_at, 150);
951 test_timeval_diff_eq(&started_at, &res1.write_timeout_at, 100);
955 bufferevent_free(bev1);
957 bufferevent_free(bev2);
961 trigger_failure_cb(evutil_socket_t fd, short what, void *ctx)
963 TT_FAIL(("The triggered callback did not fire or the machine is really slow (try increasing timeout)."));
967 trigger_eventcb(struct bufferevent *bev, short what, void *ctx)
969 struct event_base *base = ctx;
971 TT_BLATHER(("Event successfully triggered."));
972 event_base_loopexit(base, NULL);
975 reader_eventcb(bev, what, ctx);
979 trigger_readcb_triggered(struct bufferevent *bev, void *ctx)
981 TT_BLATHER(("Read successfully triggered."));
983 bufferevent_trigger_event(bev, ~0, bufferevent_trigger_test_flags);
987 trigger_readcb(struct bufferevent *bev, void *ctx)
989 struct timeval timeout = { 30, 0 };
990 struct event_base *base = ctx;
991 size_t low, high, len;
994 TT_BLATHER(("Read invoked on %d.", (int)bufferevent_getfd(bev)));
995 expected_reads = ++n_reads_invoked;
997 bufferevent_setcb(bev, trigger_readcb_triggered, NULL, trigger_eventcb, ctx);
999 bufferevent_getwatermark(bev, EV_READ, &low, &high);
1000 len = evbuffer_get_length(bufferevent_get_input(bev));
1002 bufferevent_setwatermark(bev, EV_READ, len + 1, 0);
1003 bufferevent_trigger(bev, EV_READ, bufferevent_trigger_test_flags);
1004 /* no callback expected */
1005 tt_int_op(n_reads_invoked, ==, expected_reads);
1007 if ((bufferevent_trigger_test_flags & BEV_TRIG_DEFER_CALLBACKS) ||
1008 (bufferevent_connect_test_flags & BEV_OPT_DEFER_CALLBACKS)) {
1009 /* will be deferred */
1014 event_base_once(base, -1, EV_TIMEOUT, trigger_failure_cb, NULL, &timeout);
1016 bufferevent_trigger(bev, EV_READ,
1017 bufferevent_trigger_test_flags | BEV_TRIG_IGNORE_WATERMARKS);
1018 tt_int_op(n_reads_invoked, ==, expected_reads);
1020 bufferevent_setwatermark(bev, EV_READ, low, high);
1026 test_bufferevent_trigger(void *arg)
1028 struct basic_test_data *data = arg;
1029 struct evconnlistener *lev=NULL;
1030 struct bufferevent *bev=NULL;
1031 struct sockaddr_in localhost;
1032 struct sockaddr_storage ss;
1033 struct sockaddr *sa;
1036 int be_flags=BEV_OPT_CLOSE_ON_FREE;
1039 if (strstr((char*)data->setup_data, "defer")) {
1040 be_flags |= BEV_OPT_DEFER_CALLBACKS;
1042 bufferevent_connect_test_flags = be_flags;
1044 if (strstr((char*)data->setup_data, "postpone")) {
1045 trig_flags |= BEV_TRIG_DEFER_CALLBACKS;
1047 bufferevent_trigger_test_flags = trig_flags;
1049 memset(&localhost, 0, sizeof(localhost));
1051 localhost.sin_port = 0; /* pick-a-port */
1052 localhost.sin_addr.s_addr = htonl(0x7f000001L);
1053 localhost.sin_family = AF_INET;
1054 sa = (struct sockaddr *)&localhost;
1055 lev = evconnlistener_new_bind(data->base, listen_cb, data->base,
1056 LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
1057 16, sa, sizeof(localhost));
1060 sa = (struct sockaddr *)&ss;
1062 if (regress_get_listener_addr(lev, sa, &slen) < 0) {
1063 tt_abort_perror("getsockname");
1066 tt_assert(!evconnlistener_enable(lev));
1067 bev = bufferevent_socket_new(data->base, -1, be_flags);
1069 bufferevent_setcb(bev, trigger_readcb, NULL, trigger_eventcb, data->base);
1071 bufferevent_enable(bev, EV_READ);
1073 tt_want(!bufferevent_socket_connect(bev, sa, sizeof(localhost)));
1075 event_base_dispatch(data->base);
1077 tt_int_op(n_reads_invoked, ==, 2);
1080 evconnlistener_free(lev);
1083 bufferevent_free(bev);
1086 struct testcase_t bufferevent_testcases[] = {
1088 LEGACY(bufferevent, TT_ISOLATED),
1089 LEGACY(bufferevent_pair, TT_ISOLATED),
1090 #if defined(EVTHREAD_USE_PTHREADS_IMPLEMENTED)
1091 { "bufferevent_pair_release_lock", test_bufferevent_pair_release_lock,
1092 TT_FORK|TT_ISOLATED|TT_NEED_THREADS|TT_NEED_BASE|TT_LEGACY,
1093 &basic_setup, NULL },
1095 LEGACY(bufferevent_watermarks, TT_ISOLATED),
1096 LEGACY(bufferevent_pair_watermarks, TT_ISOLATED),
1097 LEGACY(bufferevent_filters, TT_ISOLATED),
1098 LEGACY(bufferevent_pair_filters, TT_ISOLATED),
1099 { "bufferevent_connect", test_bufferevent_connect, TT_FORK|TT_NEED_BASE,
1100 &basic_setup, (void*)"" },
1101 { "bufferevent_connect_defer", test_bufferevent_connect,
1102 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"defer" },
1103 { "bufferevent_connect_lock", test_bufferevent_connect,
1104 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup, (void*)"lock" },
1105 { "bufferevent_connect_lock_defer", test_bufferevent_connect,
1106 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
1107 (void*)"defer lock" },
1108 { "bufferevent_connect_unlocked_cbs", test_bufferevent_connect,
1109 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
1110 (void*)"lock defer unlocked" },
1111 { "bufferevent_connect_fail", test_bufferevent_connect_fail,
1112 TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
1113 { "bufferevent_timeout", test_bufferevent_timeouts,
1114 TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, &basic_setup, (void*)"" },
1115 { "bufferevent_timeout_pair", test_bufferevent_timeouts,
1116 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"pair" },
1117 { "bufferevent_timeout_filter", test_bufferevent_timeouts,
1118 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"filter" },
1119 { "bufferevent_timeout_filter_pair", test_bufferevent_timeouts,
1120 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"filter pair" },
1121 { "bufferevent_trigger", test_bufferevent_trigger, TT_FORK|TT_NEED_BASE,
1122 &basic_setup, (void*)"" },
1123 { "bufferevent_trigger_defer", test_bufferevent_trigger,
1124 TT_FORK|TT_NEED_BASE, &basic_setup, (void*)"defer" },
1125 { "bufferevent_trigger_postpone", test_bufferevent_trigger,
1126 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
1127 (void*)"postpone" },
1128 { "bufferevent_trigger_defer_postpone", test_bufferevent_trigger,
1129 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
1130 (void*)"defer postpone" },
1131 #ifdef EVENT__HAVE_LIBZ
1132 LEGACY(bufferevent_zlib, TT_ISOLATED),
1134 { "bufferevent_zlib", NULL, TT_SKIP, NULL, NULL },
1140 struct testcase_t bufferevent_iocp_testcases[] = {
1142 LEGACY(bufferevent, TT_ISOLATED|TT_ENABLE_IOCP),
1143 LEGACY(bufferevent_watermarks, TT_ISOLATED|TT_ENABLE_IOCP),
1144 LEGACY(bufferevent_filters, TT_ISOLATED|TT_ENABLE_IOCP),
1145 { "bufferevent_connect", test_bufferevent_connect,
1146 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, (void*)"" },
1147 { "bufferevent_connect_defer", test_bufferevent_connect,
1148 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, (void*)"defer" },
1149 { "bufferevent_connect_lock", test_bufferevent_connect,
1150 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS|TT_ENABLE_IOCP, &basic_setup,
1152 { "bufferevent_connect_lock_defer", test_bufferevent_connect,
1153 TT_FORK|TT_NEED_BASE|TT_NEED_THREADS|TT_ENABLE_IOCP, &basic_setup,
1154 (void*)"defer lock" },
1155 { "bufferevent_connect_fail", test_bufferevent_connect_fail,
1156 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup, NULL },
1157 { "bufferevent_connect_nonblocking", test_bufferevent_connect,
1158 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, &basic_setup,
1159 (void*)"unset_connectex" },