Home | History | Annotate | Download | only in test
      1 /*
      2  * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  * 3. The name of the author may not be used to endorse or promote products
     13  *    derived from this software without specific prior written permission.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #include <stdlib.h>
     28 #include <string.h>
     29 #include "event2/event.h"
     30 #include "event2/thread.h"
     31 #include "event2/buffer.h"
     32 #include "event2/buffer_compat.h"
     33 #include "event2/bufferevent.h"
     34 
     35 #include <winsock2.h>
     36 #include <ws2tcpip.h>
     37 
     38 #include "regress.h"
     39 #include "tinytest.h"
     40 #include "tinytest_macros.h"
     41 
     42 #define WIN32_LEAN_AND_MEAN
     43 #include <windows.h>
     44 #include <winsock2.h>
     45 #undef WIN32_LEAN_AND_MEAN
     46 
     47 #include "iocp-internal.h"
     48 #include "evbuffer-internal.h"
     49 #include "evthread-internal.h"
     50 
     51 /* FIXME remove these ones */
     52 #include <sys/queue.h>
     53 #include "event2/event_struct.h"
     54 #include "event-internal.h"
     55 
     56 #define MAX_CALLS 16
     57 
     58 static void *count_lock = NULL, *count_cond = NULL;
     59 static int count = 0;
     60 
     61 static void
     62 count_init(void)
     63 {
     64 	EVTHREAD_ALLOC_LOCK(count_lock, 0);
     65 	EVTHREAD_ALLOC_COND(count_cond);
     66 
     67 	tt_assert(count_lock);
     68 	tt_assert(count_cond);
     69 
     70 end:
     71 	;
     72 }
     73 
     74 static void
     75 count_free(void)
     76 {
     77 	EVTHREAD_FREE_LOCK(count_lock, 0);
     78 	EVTHREAD_FREE_COND(count_cond);
     79 }
     80 
     81 static void
     82 count_incr(void)
     83 {
     84 	EVLOCK_LOCK(count_lock, 0);
     85 	count++;
     86 	EVTHREAD_COND_BROADCAST(count_cond);
     87 	EVLOCK_UNLOCK(count_lock, 0);
     88 }
     89 
     90 static int
     91 count_wait_for(int i, int ms)
     92 {
     93 	struct timeval tv;
     94 	DWORD elapsed;
     95 	int rv = -1;
     96 
     97 	EVLOCK_LOCK(count_lock, 0);
     98 	while (ms > 0 && count != i) {
     99 		tv.tv_sec = 0;
    100 		tv.tv_usec = ms * 1000;
    101 		elapsed = GetTickCount();
    102 		EVTHREAD_COND_WAIT_TIMED(count_cond, count_lock, &tv);
    103 		elapsed = GetTickCount() - elapsed;
    104 		ms -= elapsed;
    105 	}
    106 	if (count == i)
    107 		rv = 0;
    108 	EVLOCK_UNLOCK(count_lock, 0);
    109 
    110 	return rv;
    111 }
    112 
    113 struct dummy_overlapped {
    114 	struct event_overlapped eo;
    115 	void *lock;
    116 	int call_count;
    117 	uintptr_t keys[MAX_CALLS];
    118 	ev_ssize_t sizes[MAX_CALLS];
    119 };
    120 
    121 static void
    122 dummy_cb(struct event_overlapped *o, uintptr_t key, ev_ssize_t n, int ok)
    123 {
    124 	struct dummy_overlapped *d_o =
    125 	    EVUTIL_UPCAST(o, struct dummy_overlapped, eo);
    126 
    127 	EVLOCK_LOCK(d_o->lock, 0);
    128 	if (d_o->call_count < MAX_CALLS) {
    129 		d_o->keys[d_o->call_count] = key;
    130 		d_o->sizes[d_o->call_count] = n;
    131 	}
    132 	d_o->call_count++;
    133 	EVLOCK_UNLOCK(d_o->lock, 0);
    134 
    135 	count_incr();
    136 }
    137 
    138 static int
    139 pair_is_in(struct dummy_overlapped *o, uintptr_t key, ev_ssize_t n)
    140 {
    141 	int i;
    142 	int result = 0;
    143 	EVLOCK_LOCK(o->lock, 0);
    144 	for (i=0; i < o->call_count; ++i) {
    145 		if (o->keys[i] == key && o->sizes[i] == n) {
    146 			result = 1;
    147 			break;
    148 		}
    149 	}
    150 	EVLOCK_UNLOCK(o->lock, 0);
    151 	return result;
    152 }
    153 
    154 static void
    155 test_iocp_port(void *ptr)
    156 {
    157 	struct event_iocp_port *port = NULL;
    158 	struct dummy_overlapped o1, o2;
    159 
    160 	memset(&o1, 0, sizeof(o1));
    161 	memset(&o2, 0, sizeof(o2));
    162 
    163 	count_init();
    164 	EVTHREAD_ALLOC_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
    165 	EVTHREAD_ALLOC_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
    166 
    167 	tt_assert(o1.lock);
    168 	tt_assert(o2.lock);
    169 
    170 	event_overlapped_init_(&o1.eo, dummy_cb);
    171 	event_overlapped_init_(&o2.eo, dummy_cb);
    172 
    173 	port = event_iocp_port_launch_(0);
    174 	tt_assert(port);
    175 
    176 	tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 10, 100));
    177 	tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 20, 200));
    178 
    179 	tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 11, 101));
    180 	tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 21, 201));
    181 
    182 	tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 12, 102));
    183 	tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 22, 202));
    184 
    185 	tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 13, 103));
    186 	tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 23, 203));
    187 
    188 	tt_int_op(count_wait_for(8, 2000), ==, 0);
    189 
    190 	tt_want(!event_iocp_shutdown_(port, 2000));
    191 
    192 	tt_int_op(o1.call_count, ==, 4);
    193 	tt_int_op(o2.call_count, ==, 4);
    194 
    195 	tt_want(pair_is_in(&o1, 10, 100));
    196 	tt_want(pair_is_in(&o1, 11, 101));
    197 	tt_want(pair_is_in(&o1, 12, 102));
    198 	tt_want(pair_is_in(&o1, 13, 103));
    199 
    200 	tt_want(pair_is_in(&o2, 20, 200));
    201 	tt_want(pair_is_in(&o2, 21, 201));
    202 	tt_want(pair_is_in(&o2, 22, 202));
    203 	tt_want(pair_is_in(&o2, 23, 203));
    204 
    205 end:
    206 	EVTHREAD_FREE_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
    207 	EVTHREAD_FREE_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
    208 	count_free();
    209 }
    210 
    211 static struct evbuffer *rbuf = NULL, *wbuf = NULL;
    212 
    213 static void
    214 read_complete(struct event_overlapped *eo, uintptr_t key,
    215     ev_ssize_t nbytes, int ok)
    216 {
    217 	tt_assert(ok);
    218 	evbuffer_commit_read_(rbuf, nbytes);
    219 	count_incr();
    220 end:
    221 	;
    222 }
    223 
    224 static void
    225 write_complete(struct event_overlapped *eo, uintptr_t key,
    226     ev_ssize_t nbytes, int ok)
    227 {
    228 	tt_assert(ok);
    229 	evbuffer_commit_write_(wbuf, nbytes);
    230 	count_incr();
    231 end:
    232 	;
    233 }
    234 
    235 static void
    236 test_iocp_evbuffer(void *ptr)
    237 {
    238 	struct event_overlapped rol, wol;
    239 	struct basic_test_data *data = ptr;
    240 	struct event_iocp_port *port = NULL;
    241 	struct evbuffer *buf=NULL;
    242 	struct evbuffer_chain *chain;
    243 	char junk[1024];
    244 	int i;
    245 
    246 	count_init();
    247 	event_overlapped_init_(&rol, read_complete);
    248 	event_overlapped_init_(&wol, write_complete);
    249 
    250 	for (i = 0; i < (int)sizeof(junk); ++i)
    251 		junk[i] = (char)(i);
    252 
    253 	rbuf = evbuffer_overlapped_new_(data->pair[0]);
    254 	wbuf = evbuffer_overlapped_new_(data->pair[1]);
    255 	evbuffer_enable_locking(rbuf, NULL);
    256 	evbuffer_enable_locking(wbuf, NULL);
    257 
    258 	port = event_iocp_port_launch_(0);
    259 	tt_assert(port);
    260 	tt_assert(rbuf);
    261 	tt_assert(wbuf);
    262 
    263 	tt_assert(!event_iocp_port_associate_(port, data->pair[0], 100));
    264 	tt_assert(!event_iocp_port_associate_(port, data->pair[1], 100));
    265 
    266 	for (i=0;i<10;++i)
    267 		evbuffer_add(wbuf, junk, sizeof(junk));
    268 
    269 	buf = evbuffer_new();
    270 	tt_assert(buf != NULL);
    271 	evbuffer_add(rbuf, junk, sizeof(junk));
    272 	tt_assert(!evbuffer_launch_read_(rbuf, 2048, &rol));
    273 	evbuffer_add_buffer(buf, rbuf);
    274 	tt_int_op(evbuffer_get_length(buf), ==, sizeof(junk));
    275 	for (chain = buf->first; chain; chain = chain->next)
    276 		tt_int_op(chain->flags & EVBUFFER_MEM_PINNED_ANY, ==, 0);
    277 	tt_assert(!evbuffer_get_length(rbuf));
    278 	tt_assert(!evbuffer_launch_write_(wbuf, 512, &wol));
    279 
    280 	tt_int_op(count_wait_for(2, 2000), ==, 0);
    281 
    282 	tt_int_op(evbuffer_get_length(rbuf),==,512);
    283 
    284 	/* FIXME Actually test some stuff here. */
    285 
    286 	tt_want(!event_iocp_shutdown_(port, 2000));
    287 end:
    288 	count_free();
    289 	evbuffer_free(rbuf);
    290 	evbuffer_free(wbuf);
    291 	if (buf) evbuffer_free(buf);
    292 }
    293 
    294 static int got_readcb = 0;
    295 
    296 static void
    297 async_readcb(struct bufferevent *bev, void *arg)
    298 {
    299 	/* Disabling read should cause the loop to quit */
    300 	bufferevent_disable(bev, EV_READ);
    301 	got_readcb++;
    302 }
    303 
    304 static void
    305 test_iocp_bufferevent_async(void *ptr)
    306 {
    307 	struct basic_test_data *data = ptr;
    308 	struct event_iocp_port *port = NULL;
    309 	struct bufferevent *bea1=NULL, *bea2=NULL;
    310 	char buf[128];
    311 	size_t n;
    312 
    313 	event_base_start_iocp_(data->base, 0);
    314 	port = event_base_get_iocp_(data->base);
    315 	tt_assert(port);
    316 
    317 	bea1 = bufferevent_async_new_(data->base, data->pair[0],
    318 	    BEV_OPT_DEFER_CALLBACKS);
    319 	bea2 = bufferevent_async_new_(data->base, data->pair[1],
    320 	    BEV_OPT_DEFER_CALLBACKS);
    321 	tt_assert(bea1);
    322 	tt_assert(bea2);
    323 
    324 	bufferevent_setcb(bea2, async_readcb, NULL, NULL, NULL);
    325 	bufferevent_enable(bea1, EV_WRITE);
    326 	bufferevent_enable(bea2, EV_READ);
    327 
    328 	bufferevent_write(bea1, "Hello world", strlen("Hello world")+1);
    329 
    330 	event_base_dispatch(data->base);
    331 
    332 	tt_int_op(got_readcb, ==, 1);
    333 	n = bufferevent_read(bea2, buf, sizeof(buf)-1);
    334 	buf[n]='\0';
    335 	tt_str_op(buf, ==, "Hello world");
    336 
    337 end:
    338 	bufferevent_free(bea1);
    339 	bufferevent_free(bea2);
    340 }
    341 
    342 
    343 struct testcase_t iocp_testcases[] = {
    344 	{ "port", test_iocp_port, TT_FORK|TT_NEED_THREADS, &basic_setup, NULL },
    345 	{ "evbuffer", test_iocp_evbuffer,
    346 	  TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS,
    347 	  &basic_setup, NULL },
    348 	{ "bufferevent_async", test_iocp_bufferevent_async,
    349 	  TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS|TT_NEED_BASE,
    350 	  &basic_setup, NULL },
    351 	END_OF_TESTCASES
    352 };
    353