test_embed_libevent_crosspl.../lib/libevent/test/regress_iocp.c

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2022-07-15 23:15:21 +08:00
/*
* Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include "event2/event.h"
#include "event2/thread.h"
#include "event2/buffer.h"
#include "event2/buffer_compat.h"
#include "event2/bufferevent.h"
#include <winsock2.h>
#include <ws2tcpip.h>
#include "regress.h"
#include "tinytest.h"
#include "tinytest_macros.h"
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winsock2.h>
#undef WIN32_LEAN_AND_MEAN
#include "iocp-internal.h"
#include "evbuffer-internal.h"
#include "evthread-internal.h"
/* FIXME remove these ones */
#include <sys/queue.h>
#include "event2/event_struct.h"
#include "event-internal.h"
#define MAX_CALLS 16
static void *count_lock = NULL, *count_cond = NULL;
static int count = 0;
static void
count_init(void)
{
EVTHREAD_ALLOC_LOCK(count_lock, 0);
EVTHREAD_ALLOC_COND(count_cond);
tt_assert(count_lock);
tt_assert(count_cond);
end:
;
}
static void
count_free(void)
{
EVTHREAD_FREE_LOCK(count_lock, 0);
EVTHREAD_FREE_COND(count_cond);
}
static void
count_incr(void)
{
EVLOCK_LOCK(count_lock, 0);
count++;
EVTHREAD_COND_BROADCAST(count_cond);
EVLOCK_UNLOCK(count_lock, 0);
}
static int
count_wait_for(int i, int ms)
{
struct timeval tv;
DWORD elapsed;
int rv = -1;
EVLOCK_LOCK(count_lock, 0);
while (ms > 0 && count != i) {
tv.tv_sec = 0;
tv.tv_usec = ms * 1000;
elapsed = GetTickCount();
EVTHREAD_COND_WAIT_TIMED(count_cond, count_lock, &tv);
elapsed = GetTickCount() - elapsed;
ms -= elapsed;
}
if (count == i)
rv = 0;
EVLOCK_UNLOCK(count_lock, 0);
return rv;
}
struct dummy_overlapped {
struct event_overlapped eo;
void *lock;
int call_count;
uintptr_t keys[MAX_CALLS];
ev_ssize_t sizes[MAX_CALLS];
};
static void
dummy_cb(struct event_overlapped *o, uintptr_t key, ev_ssize_t n, int ok)
{
struct dummy_overlapped *d_o =
EVUTIL_UPCAST(o, struct dummy_overlapped, eo);
EVLOCK_LOCK(d_o->lock, 0);
if (d_o->call_count < MAX_CALLS) {
d_o->keys[d_o->call_count] = key;
d_o->sizes[d_o->call_count] = n;
}
d_o->call_count++;
EVLOCK_UNLOCK(d_o->lock, 0);
count_incr();
}
static int
pair_is_in(struct dummy_overlapped *o, uintptr_t key, ev_ssize_t n)
{
int i;
int result = 0;
EVLOCK_LOCK(o->lock, 0);
for (i=0; i < o->call_count; ++i) {
if (o->keys[i] == key && o->sizes[i] == n) {
result = 1;
break;
}
}
EVLOCK_UNLOCK(o->lock, 0);
return result;
}
static void
test_iocp_port(void *ptr)
{
struct event_iocp_port *port = NULL;
struct dummy_overlapped o1, o2;
memset(&o1, 0, sizeof(o1));
memset(&o2, 0, sizeof(o2));
count_init();
EVTHREAD_ALLOC_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
EVTHREAD_ALLOC_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
tt_assert(o1.lock);
tt_assert(o2.lock);
event_overlapped_init_(&o1.eo, dummy_cb);
event_overlapped_init_(&o2.eo, dummy_cb);
port = event_iocp_port_launch_(0);
tt_assert(port);
tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 10, 100));
tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 20, 200));
tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 11, 101));
tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 21, 201));
tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 12, 102));
tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 22, 202));
tt_assert(!event_iocp_activate_overlapped_(port, &o1.eo, 13, 103));
tt_assert(!event_iocp_activate_overlapped_(port, &o2.eo, 23, 203));
tt_int_op(count_wait_for(8, 2000), ==, 0);
tt_want(!event_iocp_shutdown_(port, 2000));
tt_int_op(o1.call_count, ==, 4);
tt_int_op(o2.call_count, ==, 4);
tt_want(pair_is_in(&o1, 10, 100));
tt_want(pair_is_in(&o1, 11, 101));
tt_want(pair_is_in(&o1, 12, 102));
tt_want(pair_is_in(&o1, 13, 103));
tt_want(pair_is_in(&o2, 20, 200));
tt_want(pair_is_in(&o2, 21, 201));
tt_want(pair_is_in(&o2, 22, 202));
tt_want(pair_is_in(&o2, 23, 203));
end:
EVTHREAD_FREE_LOCK(o1.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
EVTHREAD_FREE_LOCK(o2.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
count_free();
}
static struct evbuffer *rbuf = NULL, *wbuf = NULL;
static void
read_complete(struct event_overlapped *eo, uintptr_t key,
ev_ssize_t nbytes, int ok)
{
tt_assert(ok);
evbuffer_commit_read_(rbuf, nbytes);
count_incr();
end:
;
}
static void
write_complete(struct event_overlapped *eo, uintptr_t key,
ev_ssize_t nbytes, int ok)
{
tt_assert(ok);
evbuffer_commit_write_(wbuf, nbytes);
count_incr();
end:
;
}
static void
test_iocp_evbuffer(void *ptr)
{
struct event_overlapped rol, wol;
struct basic_test_data *data = ptr;
struct event_iocp_port *port = NULL;
struct evbuffer *buf=NULL;
struct evbuffer_chain *chain;
char junk[1024];
int i;
count_init();
event_overlapped_init_(&rol, read_complete);
event_overlapped_init_(&wol, write_complete);
for (i = 0; i < (int)sizeof(junk); ++i)
junk[i] = (char)(i);
rbuf = evbuffer_overlapped_new_(data->pair[0]);
wbuf = evbuffer_overlapped_new_(data->pair[1]);
evbuffer_enable_locking(rbuf, NULL);
evbuffer_enable_locking(wbuf, NULL);
port = event_iocp_port_launch_(0);
tt_assert(port);
tt_assert(rbuf);
tt_assert(wbuf);
tt_assert(!event_iocp_port_associate_(port, data->pair[0], 100));
tt_assert(!event_iocp_port_associate_(port, data->pair[1], 100));
for (i=0;i<10;++i)
evbuffer_add(wbuf, junk, sizeof(junk));
buf = evbuffer_new();
tt_assert(buf != NULL);
evbuffer_add(rbuf, junk, sizeof(junk));
tt_assert(!evbuffer_launch_read_(rbuf, 2048, &rol));
evbuffer_add_buffer(buf, rbuf);
tt_int_op(evbuffer_get_length(buf), ==, sizeof(junk));
for (chain = buf->first; chain; chain = chain->next)
tt_int_op(chain->flags & EVBUFFER_MEM_PINNED_ANY, ==, 0);
tt_assert(!evbuffer_get_length(rbuf));
tt_assert(!evbuffer_launch_write_(wbuf, 512, &wol));
tt_int_op(count_wait_for(2, 2000), ==, 0);
tt_int_op(evbuffer_get_length(rbuf),==,512);
/* FIXME Actually test some stuff here. */
tt_want(!event_iocp_shutdown_(port, 2000));
end:
count_free();
evbuffer_free(rbuf);
evbuffer_free(wbuf);
if (buf) evbuffer_free(buf);
}
static int got_readcb = 0;
static void
async_readcb(struct bufferevent *bev, void *arg)
{
/* Disabling read should cause the loop to quit */
bufferevent_disable(bev, EV_READ);
got_readcb++;
}
static void
test_iocp_bufferevent_async(void *ptr)
{
struct basic_test_data *data = ptr;
struct event_iocp_port *port = NULL;
struct bufferevent *bea1=NULL, *bea2=NULL;
char buf[128];
size_t n;
event_base_start_iocp_(data->base, 0);
port = event_base_get_iocp_(data->base);
tt_assert(port);
bea1 = bufferevent_async_new_(data->base, data->pair[0],
BEV_OPT_DEFER_CALLBACKS);
bea2 = bufferevent_async_new_(data->base, data->pair[1],
BEV_OPT_DEFER_CALLBACKS);
tt_assert(bea1);
tt_assert(bea2);
bufferevent_setcb(bea2, async_readcb, NULL, NULL, NULL);
bufferevent_enable(bea1, EV_WRITE);
bufferevent_enable(bea2, EV_READ);
bufferevent_write(bea1, "Hello world", strlen("Hello world")+1);
event_base_dispatch(data->base);
tt_int_op(got_readcb, ==, 1);
n = bufferevent_read(bea2, buf, sizeof(buf)-1);
buf[n]='\0';
tt_str_op(buf, ==, "Hello world");
end:
bufferevent_free(bea1);
bufferevent_free(bea2);
}
struct testcase_t iocp_testcases[] = {
{ "port", test_iocp_port, TT_FORK|TT_NEED_THREADS, &basic_setup, NULL },
{ "evbuffer", test_iocp_evbuffer,
TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS,
&basic_setup, NULL },
{ "bufferevent_async", test_iocp_bufferevent_async,
TT_FORK|TT_NEED_SOCKETPAIR|TT_NEED_THREADS|TT_NEED_BASE,
&basic_setup, NULL },
END_OF_TESTCASES
};