/* $NetBSD: regress_bufferevent.c,v 1.4 2021/04/07 03:36:48 christos Exp $ */
/*
* Copyright (c) 2003-2007 Niels Provos <
[email protected]>
* Copyright (c) 2007-2012 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 "util-internal.h"
/* The old tests here need assertions to work. */
#undef NDEBUG
/**
* - clang supports __has_feature
* - gcc supports __SANITIZE_ADDRESS__
*
* Let's set __SANITIZE_ADDRESS__ if __has_feature(address_sanitizer)
*/
#ifndef __has_feature
#define __has_feature(x) 0
#endif
#if !defined(__SANITIZE_ADDRESS__) && __has_feature(address_sanitizer)
#define __SANITIZE_ADDRESS__
#endif
#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
#endif
#include "event2/event-config.h"
#include <sys/cdefs.h>
__RCSID("$NetBSD: regress_bufferevent.c,v 1.4 2021/04/07 03:36:48 christos Exp $");
#include <sys/types.h>
#include <sys/stat.h>
#ifdef EVENT__HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/queue.h>
#ifndef _WIN32
#include <sys/socket.h>
#include <sys/wait.h>
#include <signal.h>
#include <unistd.h>
#include <netdb.h>
#include <netinet/in.h>
#endif
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#ifdef EVENT__HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#include "event2/event-config.h"
#include "event2/event.h"
#include "event2/event_struct.h"
#include "event2/event_compat.h"
#include "event2/tag.h"
#include "event2/buffer.h"
#include "event2/bufferevent.h"
#include "event2/bufferevent_compat.h"
#include "event2/bufferevent_struct.h"
#include "event2/listener.h"
#include "event2/util.h"
#include "bufferevent-internal.h"
#include "evthread-internal.h"
#include "util-internal.h"
#ifdef _WIN32
#include "iocp-internal.h"
#endif
#include "regress.h"
#include "regress_testutils.h"
/*
* simple bufferevent test
*/
static void
readcb(struct bufferevent *bev, void *arg)
{
if (evbuffer_get_length(bev->input) == 8333) {
struct evbuffer *evbuf = evbuffer_new();
assert(evbuf != NULL);
/* gratuitous test of bufferevent_read_buffer */
bufferevent_read_buffer(bev, evbuf);
bufferevent_disable(bev, EV_READ);
if (evbuffer_get_length(evbuf) == 8333) {
test_ok++;
}
evbuffer_free(evbuf);
}
}
static void
writecb(struct bufferevent *bev, void *arg)
{
if (evbuffer_get_length(bev->output) == 0) {
test_ok++;
}
}
static void
errorcb(struct bufferevent *bev, short what, void *arg)
{
test_ok = -2;
}
static void
test_bufferevent_impl(int use_pair, int flush)
{
struct bufferevent *bev1 = NULL, *bev2 = NULL;
char buffer[8333];
int i;
int expected = 2;
if (use_pair) {
struct bufferevent *xpair[2];
tt_assert(0 == bufferevent_pair_new(NULL, 0, xpair));
bev1 = xpair[0];
bev2 = xpair[1];
bufferevent_setcb(bev1, readcb, writecb, errorcb, bev1);
bufferevent_setcb(bev2, readcb, writecb, errorcb, NULL);
tt_fd_op(bufferevent_getfd(bev1), ==, EVUTIL_INVALID_SOCKET);
tt_ptr_op(bufferevent_get_underlying(bev1), ==, NULL);
tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, bev2);
tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, bev1);
} else {
bev1 = bufferevent_new(pair[0], readcb, writecb, errorcb, NULL);
bev2 = bufferevent_new(pair[1], readcb, writecb, errorcb, NULL);
tt_fd_op(bufferevent_getfd(bev1), ==, pair[0]);
tt_ptr_op(bufferevent_get_underlying(bev1), ==, NULL);
tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, NULL);
tt_ptr_op(bufferevent_pair_get_partner(bev2), ==, NULL);
}
{
/* Test getcb. */
bufferevent_data_cb r, w;
bufferevent_event_cb e;
void *a;
bufferevent_getcb(bev1, &r, &w, &e, &a);
tt_ptr_op(r, ==, readcb);
tt_ptr_op(w, ==, writecb);
tt_ptr_op(e, ==, errorcb);
tt_ptr_op(a, ==, use_pair ? bev1 : NULL);
}
bufferevent_disable(bev1, EV_READ);
bufferevent_enable(bev2, EV_READ);
tt_int_op(bufferevent_get_enabled(bev1), ==, EV_WRITE);
tt_int_op(bufferevent_get_enabled(bev2), ==, EV_WRITE|EV_READ);
for (i = 0; i < (int)sizeof(buffer); i++)
buffer[i] = i;
bufferevent_write(bev1, buffer, sizeof(buffer));
if (flush >= 0) {
tt_int_op(bufferevent_flush(bev1, EV_WRITE, flush), >=, 0);
}
event_dispatch();
bufferevent_free(bev2);
tt_ptr_op(bufferevent_pair_get_partner(bev1), ==, NULL);
bufferevent_free(bev1);
/** Only pair call errorcb for BEV_FINISHED */
if (use_pair && flush == BEV_FINISHED) {
expected = -1;
}
if (test_ok != expected)
test_ok = 0;
end:
;
}
static void test_bufferevent(void) { test_bufferevent_impl(0, -1); }
static void test_bufferevent_pair(void) { test_bufferevent_impl(1, -1); }
static void test_bufferevent_flush_normal(void) { test_bufferevent_impl(0, BEV_NORMAL); }
static void test_bufferevent_flush_flush(void) { test_bufferevent_impl(0, BEV_FLUSH); }
static void test_bufferevent_flush_finished(void) { test_bufferevent_impl(0, BEV_FINISHED); }
static void test_bufferevent_pair_flush_normal(void) { test_bufferevent_impl(1, BEV_NORMAL); }
static void test_bufferevent_pair_flush_flush(void) { test_bufferevent_impl(1, BEV_FLUSH); }
static void test_bufferevent_pair_flush_finished(void) { test_bufferevent_impl(1, BEV_FINISHED); }
#if defined(EVTHREAD_USE_PTHREADS_IMPLEMENTED) && !defined(__SANITIZE_ADDRESS__)
/**
* Trace lock/unlock/alloc/free for locks.
* (More heavier then evthread_debug*)
*/
typedef struct
{
void *lock;
enum {
ALLOC, FREE,
} status;
size_t locked /** allow recursive locking */;
} lock_wrapper;
struct lock_unlock_base
{
/* Original callbacks */
struct evthread_lock_callbacks cbs;
/* Map of locks */
lock_wrapper *locks;
size_t nr_locks;
} lu_base = {
.locks = NULL,
};
static lock_wrapper *lu_find(void *lock_)
{
size_t i;
for (i = 0; i < lu_base.nr_locks; ++i) {
lock_wrapper *lock = &lu_base.locks[i];
if (lock->lock == lock_)
return lock;
}
return NULL;
}
static void *trace_lock_alloc(unsigned locktype)
{
void *lock;
++lu_base.nr_locks;
lu_base.locks = realloc(lu_base.locks,
sizeof(lock_wrapper) * lu_base.nr_locks);
lock = lu_base.cbs.alloc(locktype);
lu_base.locks[lu_base.nr_locks - 1] = (lock_wrapper){ lock, ALLOC, 0 };
return lock;
}
static void trace_lock_free(void *lock_, unsigned locktype)
{
lock_wrapper *lock = lu_find(lock_);
if (!lock || lock->status == FREE || lock->locked) {
TT_FAIL(("lock: free error"));
} else {
lock->status = FREE;
lu_base.cbs.free(lock_, locktype);
}
}
static int trace_lock_lock(unsigned mode, void *lock_)
{
lock_wrapper *lock = lu_find(lock_);
if (!lock || lock->status == FREE) {
TT_FAIL(("lock: lock error"));
return -1;
} else {
++lock->locked;
return lu_base.cbs.lock(mode, lock_);
}
}
static int trace_lock_unlock(unsigned mode, void *lock_)
{
lock_wrapper *lock = lu_find(lock_);
if (!lock || lock->status == FREE || !lock->locked) {
TT_FAIL(("lock: unlock error"));
return -1;
} else {
--lock->locked;
return lu_base.cbs.unlock(mode, lock_);
}
}
static void lock_unlock_free_thread_cbs(void)
{
event_base_free(NULL);
if (libevent_tests_running_in_debug_mode)
libevent_global_shutdown();
/** drop immutable flag */
evthread_set_lock_callbacks(NULL);
/** avoid calling of event_global_setup_locks_() for new cbs */
libevent_global_shutdown();
/** drop immutable flag for non-debug ops (since called after shutdown) */
evthread_set_lock_callbacks(NULL);
}
static int use_lock_unlock_profiler(void)
{
struct evthread_lock_callbacks cbs = {
EVTHREAD_LOCK_API_VERSION,
EVTHREAD_LOCKTYPE_RECURSIVE,
trace_lock_alloc,
trace_lock_free,
trace_lock_lock,
trace_lock_unlock,
};
memcpy(&lu_base.cbs, evthread_get_lock_callbacks(),
sizeof(lu_base.cbs));
{
lock_unlock_free_thread_cbs();
evthread_set_lock_callbacks(&cbs);
/** re-create debug locks correctly */
evthread_enable_lock_debugging();
event_init();
}
return 0;
}
static void free_lock_unlock_profiler(struct basic_test_data *data)
{
/** fix "held_by" for kqueue */
evthread_set_lock_callbacks(NULL);
lock_unlock_free_thread_cbs();
free(lu_base.locks);
data->base = NULL;
}
static void test_bufferevent_pair_release_lock(void *arg)
{
struct basic_test_data *data = arg;
use_lock_unlock_profiler();
{
struct bufferevent *xpair[2];
if (!bufferevent_pair_new(NULL, BEV_OPT_THREADSAFE, xpair)) {
bufferevent_free(xpair[0]);
bufferevent_free(xpair[1]);
} else
tt_abort_perror("bufferevent_pair_new");
}
free_lock_unlock_profiler(data);
end:
;
}
#endif
/*
* test watermarks and bufferevent
*/
static void
wm_readcb(struct bufferevent *bev, void *arg)
{
struct evbuffer *evbuf = evbuffer_new();
int len = (int)evbuffer_get_length(bev->input);
static int nread;
assert(len >= 10 && len <= 20);
assert(evbuf != NULL);
/* gratuitous test of bufferevent_read_buffer */
bufferevent_read_buffer(bev, evbuf);
nread += len;
if (nread == 65000) {
bufferevent_disable(bev, EV_READ);
test_ok++;
}
evbuffer_free(evbuf);
}
static void
wm_writecb(struct bufferevent *bev, void *arg)
{
assert(evbuffer_get_length(bev->output) <= 100);
if (evbuffer_get_length(bev->output) == 0) {
evbuffer_drain(bev->output, evbuffer_get_length(bev->output));
test_ok++;
}
}
static void
wm_errorcb(struct bufferevent *bev, short what, void *arg)
{
test_ok = -2;
}
static void
test_bufferevent_watermarks_impl(int use_pair)
{
struct bufferevent *bev1 = NULL, *bev2 = NULL;
char buffer[65000];
size_t low, high;
int i;
test_ok = 0;
if (use_pair) {
struct bufferevent *xpair[2];
tt_assert(0 == bufferevent_pair_new(NULL, 0, xpair));
bev1 = xpair[0];
bev2 = xpair[1];
bufferevent_setcb(bev1, NULL, wm_writecb, errorcb, NULL);
bufferevent_setcb(bev2, wm_readcb, NULL, errorcb, NULL);
} else {
bev1 = bufferevent_new(pair[0], NULL, wm_writecb, wm_errorcb, NULL);
bev2 = bufferevent_new(pair[1], wm_readcb, NULL, wm_errorcb, NULL);
}
tt_assert(bev1);
tt_assert(bev2);
bufferevent_disable(bev1, EV_READ);
bufferevent_enable(bev2, EV_READ);
/* By default, low watermarks are set to 0 */
bufferevent_getwatermark(bev1, EV_READ, &low, NULL);
tt_int_op(low, ==, 0);
bufferevent_getwatermark(bev2, EV_WRITE, &low, NULL);
tt_int_op(low, ==, 0);
for (i = 0; i < (int)sizeof(buffer); i++)
buffer[i] = (char)i;
/* limit the reading on the receiving bufferevent */
bufferevent_setwatermark(bev2, EV_READ, 10, 20);
bufferevent_getwatermark(bev2, EV_READ, &low, &high);
tt_int_op(low, ==, 10);
tt_int_op(high, ==, 20);
/* Tell the sending bufferevent not to notify us till it's down to
100 bytes. */
bufferevent_setwatermark(bev1, EV_WRITE, 100, 2000);
bufferevent_getwatermark(bev1, EV_WRITE, &low, &high);
tt_int_op(low, ==, 100);
tt_int_op(high, ==, 2000);
{
int r = bufferevent_getwatermark(bev1, EV_WRITE | EV_READ, &low, &high);
tt_int_op(r, !=, 0);
}
bufferevent_write(bev1, buffer, sizeof(buffer));
event_dispatch();
tt_int_op(test_ok, ==, 2);
/* The write callback drained all the data from outbuf, so we
* should have removed the write event... */
tt_assert(!event_pending(&bev2->ev_write, EV_WRITE, NULL));
end:
if (bev1)
bufferevent_free(bev1);
if (bev2)
bufferevent_free(bev2);
}
static void
test_bufferevent_watermarks(void)
{
test_bufferevent_watermarks_impl(0);
}
static void
test_bufferevent_pair_watermarks(void)
{
test_bufferevent_watermarks_impl(1);
}
/*
* Test bufferevent filters
*/
/* strip an 'x' from each byte */
static enum bufferevent_filter_result
bufferevent_input_filter(struct evbuffer *src, struct evbuffer *dst,
ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
{
const unsigned char *buffer;
unsigned i;
buffer = evbuffer_pullup(src, evbuffer_get_length(src));
for (i = 0; i < evbuffer_get_length(src); i += 2) {
if (buffer[i] == '-')
continue;
assert(buffer[i] == 'x');
evbuffer_add(dst, buffer + i + 1, 1);
}
evbuffer_drain(src, i);
return (BEV_OK);
}
/* add an 'x' before each byte */
static enum bufferevent_filter_result
bufferevent_output_filter(struct evbuffer *src, struct evbuffer *dst,
ev_ssize_t lim, enum bufferevent_flush_mode state, void *ctx)
{
const unsigned char *buffer;
unsigned i;
struct bufferevent **bevp = ctx;
++test_ok;
if (test_ok == 1) {
buffer = evbuffer_pullup(src, evbuffer_get_length(src));
for (i = 0; i < evbuffer_get_length(src); ++i) {
evbuffer_add(dst, "x", 1);
evbuffer_add(dst, buffer + i, 1);
}
evbuffer_drain(src, evbuffer_get_length(src));
} else {
return BEV_ERROR;
}
if (bevp && test_ok == 1) {
int prev = ++test_ok;
bufferevent_write(*bevp, "-", 1);
/* check that during this bufferevent_write()
* bufferevent_output_filter() will not be called again */
assert(test_ok == prev);
--test_ok;
}
return (BEV_OK);
}
static void
test_bufferevent_filters_impl(int use_pair, int disable)
{
struct bufferevent *bev1 = NULL, *bev2 = NULL;
struct bufferevent *bev1_base = NULL, *bev2_base = NULL;
char buffer[8333];
int i;
test_ok = 0;
if (use_pair) {
struct bufferevent *xpair[2];
tt_assert(0 == bufferevent_pair_new(NULL, 0, xpair));
bev1 = xpair[0];
bev2 = xpair[1];
} else {
bev1 = bufferevent_socket_new(NULL, pair[0], 0);
bev2 = bufferevent_socket_new(NULL, pair[1], 0);
}
bev1_base = bev1;
bev2_base = bev2;
for (i = 0; i < (int)sizeof(buffer); i++)
buffer[i] = i;
bev1 = bufferevent_filter_new(bev1, NULL, bufferevent_output_filter,
BEV_OPT_CLOSE_ON_FREE, NULL,
disable ? &bev1 : NULL);
bev2 = bufferevent_filter_new(bev2, bufferevent_input_filter,
NULL, BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
bufferevent_setcb(bev1, NULL, writecb, errorcb, NULL);
bufferevent_setcb(bev2, readcb, NULL, errorcb, NULL);
tt_ptr_op(bufferevent_get_underlying(bev1), ==, bev1_base);
tt_ptr_op(bufferevent_get_underlying(bev2), ==, bev2_base);
tt_fd_op(bufferevent_getfd(bev1), ==, bufferevent_getfd(bev1_base));
tt_fd_op(bufferevent_getfd(bev2), ==, bufferevent_getfd(bev2_base));
bufferevent_disable(bev1, EV_READ);
bufferevent_enable(bev2, EV_READ);
/* insert some filters */
bufferevent_write(bev1, buffer, sizeof(buffer));
event_dispatch();
if (test_ok != 3 + !!disable)
test_ok = 0;
end:
if (bev1)
bufferevent_free(bev1);
if (bev2)
bufferevent_free(bev2);
}
static void test_bufferevent_filters(void)
{ test_bufferevent_filters_impl(0, 0); }
static void test_bufferevent_pair_filters(void)
{ test_bufferevent_filters_impl(1, 0); }
static void test_bufferevent_filters_disable(void)
{ test_bufferevent_filters_impl(0, 1); }
static void test_bufferevent_pair_filters_disable(void)
{ test_bufferevent_filters_impl(1, 1); }
static void
sender_writecb(struct bufferevent *bev, void *ctx)
{
if (evbuffer_get_length(bufferevent_get_output(bev)) == 0) {
bufferevent_disable(bev,EV_READ|EV_WRITE);
TT_BLATHER(("Flushed %d: freeing it.", (int)bufferevent_getfd(bev)));
bufferevent_free(bev);
}
}
static void
sender_errorcb(struct bufferevent *bev, short what, void *ctx)
{
TT_FAIL(("Got sender error %d",(int)what));
}
static int bufferevent_connect_test_flags = 0;
static int bufferevent_trigger_test_flags = 0;
static int n_strings_read = 0;
static int n_reads_invoked = 0;
static int n_events_invoked = 0;
#define TEST_STR "Now is the time for all good events to signal for " \
"the good of their protocol"
static void
listen_cb(struct evconnlistener *listener, evutil_socket_t fd,
struct sockaddr *sa, int socklen, void *arg)
{
struct event_base *base = arg;
struct bufferevent *bev;
const char s[] = TEST_STR;
TT_BLATHER(("Got a request on socket %d", (int)fd ));
bev = bufferevent_socket_new(base, fd, bufferevent_connect_test_flags);
tt_assert(bev);
bufferevent_setcb(bev, NULL, sender_writecb, sender_errorcb, NULL);
bufferevent_write(bev, s, sizeof(s));
end:
;
}
static evutil_socket_t
fake_listener_create(struct sockaddr_in *localhost)
{
struct sockaddr *sa = (struct sockaddr *)localhost;
evutil_socket_t fd = -1;
ev_socklen_t slen = sizeof(*localhost);
memset(localhost, 0, sizeof(*localhost));
localhost->sin_port = 0; /* have the kernel pick a port */
localhost->sin_addr.s_addr = htonl(0x7f000001L);
localhost->sin_family = AF_INET;
/* bind, but don't listen or accept. should trigger
"Connection refused" reliably on most platforms. */
fd = socket(localhost->sin_family, SOCK_STREAM, 0);
tt_assert(fd >= 0);
tt_assert(bind(fd, sa, slen) == 0);
tt_assert(getsockname(fd, sa, &slen) == 0);
return fd;
end:
return -1;
}
static void
reader_eventcb(struct bufferevent *bev, short what, void *ctx)
{
struct event_base *base = ctx;
if (what & BEV_EVENT_ERROR) {
perror("foobar");
TT_FAIL(("got connector error %d", (int)what));
return;
}
if (what & BEV_EVENT_CONNECTED) {
TT_BLATHER(("connected on %d", (int)bufferevent_getfd(bev)));
bufferevent_enable(bev, EV_READ);
}
if (what & BEV_EVENT_EOF) {
char buf[512];
size_t n;
n = bufferevent_read(bev, buf, sizeof(buf)-1);
tt_int_op(n, >=, 0);
buf[n] = '\0';
tt_str_op(buf, ==, TEST_STR);
if (++n_strings_read == 2)
event_base_loopexit(base, NULL);
TT_BLATHER(("EOF on %d: %d strings read.",
(int)bufferevent_getfd(bev), n_strings_read));
}
end:
;
}
static void
reader_eventcb_simple(struct bufferevent *bev, short what, void *ctx)
{
TT_BLATHER(("Read eventcb simple invoked on %d.",
(int)bufferevent_getfd(bev)));
n_events_invoked++;
}
static void
reader_readcb(struct bufferevent *bev, void *ctx)
{
TT_BLATHER(("Read invoked on %d.", (int)bufferevent_getfd(bev)));
n_reads_invoked++;
}
static void
test_bufferevent_connect(void *arg)
{
struct basic_test_data *data = arg;
struct evconnlistener *lev=NULL;
struct bufferevent *bev1=NULL, *bev2=NULL;
struct sockaddr_in localhost;
struct sockaddr_storage ss;
struct sockaddr *sa;
ev_socklen_t slen;
int be_flags=BEV_OPT_CLOSE_ON_FREE;
if (strstr((char*)data->setup_data, "defer")) {
be_flags |= BEV_OPT_DEFER_CALLBACKS;
}
if (strstr((char*)data->setup_data, "unlocked")) {
be_flags |= BEV_OPT_UNLOCK_CALLBACKS;
}
if (strstr((char*)data->setup_data, "lock")) {
be_flags |= BEV_OPT_THREADSAFE;
}
bufferevent_connect_test_flags = be_flags;
#ifdef _WIN32
if (!strcmp((char*)data->setup_data, "unset_connectex")) {
struct win32_extension_fns *ext =
(struct win32_extension_fns *)
event_get_win32_extension_fns_();
ext->ConnectEx = NULL;
}
#endif
memset(&localhost, 0, sizeof(localhost));
localhost.sin_port = 0; /* pick-a-port */
localhost.sin_addr.s_addr = htonl(0x7f000001L);
localhost.sin_family = AF_INET;
sa = (struct sockaddr *)&localhost;
lev = evconnlistener_new_bind(data->base, listen_cb, data->base,
LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
16, sa, sizeof(localhost));
tt_assert(lev);
sa = (struct sockaddr *)&ss;
slen = sizeof(ss);
if (regress_get_listener_addr(lev, sa, &slen) < 0) {
tt_abort_perror("getsockname");
}
tt_assert(!evconnlistener_enable(lev));
bev1 = bufferevent_socket_new(data->base, -1, be_flags);
bev2 = bufferevent_socket_new(data->base, -1, be_flags);
tt_assert(bev1);
tt_assert(bev2);
bufferevent_setcb(bev1, reader_readcb,NULL, reader_eventcb, data->base);
bufferevent_setcb(bev2, reader_readcb,NULL, reader_eventcb, data->base);
bufferevent_enable(bev1, EV_READ);
bufferevent_enable(bev2, EV_READ);
tt_want(!bufferevent_socket_connect(bev1, sa, sizeof(localhost)));
tt_want(!bufferevent_socket_connect(bev2, sa, sizeof(localhost)));
event_base_dispatch(data->base);
tt_int_op(n_strings_read, ==, 2);
tt_int_op(n_reads_invoked, >=, 2);
end:
if (lev)
evconnlistener_free(lev);
if (bev1)
bufferevent_free(bev1);
if (bev2)
bufferevent_free(bev2);
}
static void
close_socket_cb(evutil_socket_t fd, short what, void *arg)
{
evutil_socket_t *fdp = arg;
if (*fdp >= 0) {
evutil_closesocket(*fdp);
*fdp = -1;
}
}
static void
test_bufferevent_connect_fail_eventcb(void *arg)
{
struct basic_test_data *data = arg;
int flags = BEV_OPT_CLOSE_ON_FREE | (long)data->setup_data;
struct event close_listener_event;
struct bufferevent *bev = NULL;
struct evconnlistener *lev = NULL;
struct sockaddr_in localhost;
struct timeval close_timeout = { 0, 300000 };
ev_socklen_t slen = sizeof(localhost);
evutil_socket_t fake_listener = -1;
int r;
fake_listener = fake_listener_create(&localhost);
tt_int_op(n_events_invoked, ==, 0);
bev = bufferevent_socket_new(data->base, -1, flags);
tt_assert(bev);
bufferevent_setcb(bev, reader_readcb, reader_readcb,
reader_eventcb_simple, data->base);
bufferevent_enable(bev, EV_READ|EV_WRITE);
tt_int_op(n_events_invoked, ==, 0);
tt_int_op(n_reads_invoked, ==, 0);
/** @see also test_bufferevent_connect_fail() */
r = bufferevent_socket_connect(bev, (struct sockaddr *)&localhost, slen);
/* XXXX we'd like to test the '0' case everywhere, but FreeBSD tells
* detects the error immediately, which is not really wrong of it. */
tt_want(r == 0 || r == -1);
tt_int_op(n_events_invoked, ==, 0);
tt_int_op(n_reads_invoked, ==, 0);
/* Close the listener socket after a delay. This should trigger
"connection refused" on some other platforms, including OSX. */
evtimer_assign(&close_listener_event, data->base, close_socket_cb,
&fake_listener);
event_add(&close_listener_event, &close_timeout);
event_base_dispatch(data->base);
tt_int_op(n_events_invoked, ==, 1);
tt_int_op(n_reads_invoked, ==, 0);
end:
if (lev)
evconnlistener_free(lev);
if (bev)
bufferevent_free(bev);
if (fake_listener >= 0)
evutil_closesocket(fake_listener);
}
static void
want_fail_eventcb(struct bufferevent *bev, short what, void *ctx)
{
struct event_base *base = ctx;
const char *err;
evutil_socket_t s;
if (what & BEV_EVENT_ERROR) {
s = bufferevent_getfd(bev);
err = evutil_socket_error_to_string(evutil_socket_geterror(s));
TT_BLATHER(("connection failure on "EV_SOCK_FMT": %s",
EV_SOCK_ARG(s), err));
test_ok = 1;
} else {
TT_FAIL(("didn't fail? what %hd", what));
}
event_base_loopexit(base, NULL);
}
static void
test_bufferevent_connect_fail(void *arg)
{
struct basic_test_data *data = (struct basic_test_data *)arg;
struct bufferevent *bev=NULL;
struct event close_listener_event;
int close_listener_event_added = 0;
struct timeval close_timeout = { 0, 300000 };
struct sockaddr_in localhost;
ev_socklen_t slen = sizeof(localhost);
evutil_socket_t fake_listener = -1;
int r;
test_ok = 0;
fake_listener = fake_listener_create(&localhost);
bev = bufferevent_socket_new(data->base, -1,
BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS);
tt_assert(bev);
bufferevent_setcb(bev, NULL, NULL, want_fail_eventcb, data->base);
r = bufferevent_socket_connect(bev, (struct sockaddr *)&localhost, slen);
/* XXXX we'd like to test the '0' case everywhere, but FreeBSD tells
* detects the error immediately, which is not really wrong of it. */
tt_want(r == 0 || r == -1);
/* Close the listener socket after a delay. This should trigger
"connection refused" on some other platforms, including OSX. */
evtimer_assign(&close_listener_event, data->base, close_socket_cb,
&fake_listener);
event_add(&close_listener_event, &close_timeout);
close_listener_event_added = 1;
event_base_dispatch(data->base);
tt_int_op(test_ok, ==, 1);
end:
if (fake_listener >= 0)
evutil_closesocket(fake_listener);
if (bev)
bufferevent_free(bev);
if (close_listener_event_added)
event_del(&close_listener_event);
}
struct timeout_cb_result {
struct timeval read_timeout_at;
struct timeval write_timeout_at;
struct timeval last_wrote_at;
struct timeval last_read_at;
int n_read_timeouts;
int n_write_timeouts;
int total_calls;
};
static void
bev_timeout_read_cb(struct bufferevent *bev, void *arg)
{
struct timeout_cb_result *res = arg;
evutil_gettimeofday(&res->last_read_at, NULL);
}
static void
bev_timeout_write_cb(struct bufferevent *bev, void *arg)
{
struct timeout_cb_result *res = arg;
evutil_gettimeofday(&res->last_wrote_at, NULL);
}
static void
bev_timeout_event_cb(struct bufferevent *bev, short what, void *arg)
{
struct timeout_cb_result *res = arg;
++res->total_calls;
if ((what & (BEV_EVENT_READING|BEV_EVENT_TIMEOUT))
== (BEV_EVENT_READING|BEV_EVENT_TIMEOUT)) {
evutil_gettimeofday(&res->read_timeout_at, NULL);
++res->n_read_timeouts;
}
if ((what & (BEV_EVENT_WRITING|BEV_EVENT_TIMEOUT))
== (BEV_EVENT_WRITING|BEV_EVENT_TIMEOUT)) {
evutil_gettimeofday(&res->write_timeout_at, NULL);
++res->n_write_timeouts;
}
}
static void
test_bufferevent_timeouts(void *arg)
{
/* "arg" is a string containing "pair" and/or "filter". */
struct bufferevent *bev1 = NULL, *bev2 = NULL;
struct basic_test_data *data = arg;
int use_pair = 0, use_filter = 0;
struct timeval tv_w, tv_r, started_at;
struct timeout_cb_result res1, res2;
memset(&res1, 0, sizeof(res1));
memset(&res2, 0, sizeof(res2));
if (strstr((char*)data->setup_data, "pair"))
use_pair = 1;
if (strstr((char*)data->setup_data, "filter"))
use_filter = 1;
if (use_pair) {
struct bufferevent *p[2];
tt_int_op(0, ==, bufferevent_pair_new(data->base, 0, p));
bev1 = p[0];
bev2 = p[1];
} else {
bev1 = bufferevent_socket_new(data->base, data->pair[0], 0);
bev2 = bufferevent_socket_new(data->base, data->pair[1], 0);
}
tt_assert(bev1);
tt_assert(bev2);
if (use_filter) {
struct bufferevent *bevf1, *bevf2;
bevf1 = bufferevent_filter_new(bev1, NULL, NULL,
BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
bevf2 = bufferevent_filter_new(bev2, NULL, NULL,
BEV_OPT_CLOSE_ON_FREE, NULL, NULL);
tt_assert(bevf1);
tt_assert(bevf2);
bev1 = bevf1;
bev2 = bevf2;
}
/* Do this nice and early. */
bufferevent_disable(bev2, EV_READ);
/* bev1 will try to write and read. Both will time out. */
evutil_gettimeofday(&started_at, NULL);
tv_w.tv_sec = tv_r.tv_sec = 0;
tv_w.tv_usec = 100*1000;
tv_r.tv_usec = 150*1000;
bufferevent_setcb(bev1, bev_timeout_read_cb, bev_timeout_write_cb,
bev_timeout_event_cb, &res1);
bufferevent_set_timeouts(bev1, &tv_r, &tv_w);
bufferevent_write(bev1, "ABCDEFG", 7);
bufferevent_enable(bev1, EV_READ|EV_WRITE);
/* bev2 has nothing to say, and isn't listening. */
bufferevent_setcb(bev2, bev_timeout_read_cb, bev_timeout_write_cb,
bev_timeout_event_cb, &res2);
tv_w.tv_sec = tv_r.tv_sec = 0;
tv_w.tv_usec = 200*1000;
tv_r.tv_usec = 100*1000;
bufferevent_set_timeouts(bev2, &tv_r, &tv_w);
bufferevent_enable(bev2, EV_WRITE);
tv_r.tv_sec = 0;
tv_r.tv_usec = 350000;
event_base_loopexit(data->base, &tv_r);
event_base_dispatch(data->base);
/* XXXX Test that actually reading or writing a little resets the
* timeouts. */
tt_want(res1.total_calls == 2);
tt_want(res1.n_read_timeouts == 1);
tt_want(res1.n_write_timeouts == 1);
tt_want(res2.total_calls == !(use_pair && !use_filter));
tt_want(res2.n_write_timeouts == !(use_pair && !use_filter));
tt_want(!res2.n_read_timeouts);
test_timeval_diff_eq(&started_at, &res1.read_timeout_at, 150);
test_timeval_diff_eq(&started_at, &res1.write_timeout_at, 100);
#define tt_assert_timeval_empty(tv) do { \
tt_int_op((tv).tv_sec, ==, 0); \
tt_int_op((tv).tv_usec, ==, 0); \
} while(0)
tt_assert_timeval_empty(res1.last_read_at);
tt_assert_timeval_empty(res2.last_read_at);
tt_assert_timeval_empty(res2.last_wrote_at);
tt_assert_timeval_empty(res2.last_wrote_at);
#undef tt_assert_timeval_empty
end:
if (bev1)
bufferevent_free(bev1);
if (bev2)
bufferevent_free(bev2);
}
static void
trigger_failure_cb(evutil_socket_t fd, short what, void *ctx)
{
TT_FAIL(("The triggered callback did not fire or the machine is really slow (try increasing timeout)."));
}
static void
trigger_eventcb(struct bufferevent *bev, short what, void *ctx)
{
struct event_base *base = ctx;
if (what == ~0) {
TT_BLATHER(("Event successfully triggered."));
event_base_loopexit(base, NULL);
return;
}
reader_eventcb(bev, what, ctx);
}
static void
trigger_readcb_triggered(struct bufferevent *bev, void *ctx)
{
TT_BLATHER(("Read successfully triggered."));
n_reads_invoked++;
bufferevent_trigger_event(bev, ~0, bufferevent_trigger_test_flags);
}
static void
trigger_readcb(struct bufferevent *bev, void *ctx)
{
struct timeval timeout = { 30, 0 };
struct event_base *base = ctx;
size_t low, high, len;
int expected_reads;
TT_BLATHER(("Read invoked on %d.", (int)bufferevent_getfd(bev)));
expected_reads = ++n_reads_invoked;
bufferevent_setcb(bev, trigger_readcb_triggered, NULL, trigger_eventcb, ctx);
bufferevent_getwatermark(bev, EV_READ, &low, &high);
len = evbuffer_get_length(bufferevent_get_input(bev));
bufferevent_setwatermark(bev, EV_READ, len + 1, 0);
bufferevent_trigger(bev, EV_READ, bufferevent_trigger_test_flags);
/* no callback expected */
tt_int_op(n_reads_invoked, ==, expected_reads);
if ((bufferevent_trigger_test_flags & BEV_TRIG_DEFER_CALLBACKS) ||
(bufferevent_connect_test_flags & BEV_OPT_DEFER_CALLBACKS)) {
/* will be deferred */
} else {
expected_reads++;
}
event_base_once(base, -1, EV_TIMEOUT, trigger_failure_cb, NULL, &timeout);
bufferevent_trigger(bev, EV_READ,
bufferevent_trigger_test_flags | BEV_TRIG_IGNORE_WATERMARKS);
tt_int_op(n_reads_invoked, ==, expected_reads);
bufferevent_setwatermark(bev, EV_READ, low, high);
end:
;
}
static void
test_bufferevent_trigger(void *arg)
{
struct basic_test_data *data = arg;
struct evconnlistener *lev=NULL;
struct bufferevent *bev=NULL;
struct sockaddr_in localhost;
struct sockaddr_storage ss;
struct sockaddr *sa;
ev_socklen_t slen;
int be_flags=BEV_OPT_CLOSE_ON_FREE;
int trig_flags=0;
if (strstr((char*)data->setup_data, "defer")) {
be_flags |= BEV_OPT_DEFER_CALLBACKS;
}
bufferevent_connect_test_flags = be_flags;
if (strstr((char*)data->setup_data, "postpone")) {
trig_flags |= BEV_TRIG_DEFER_CALLBACKS;
}
bufferevent_trigger_test_flags = trig_flags;
memset(&localhost, 0, sizeof(localhost));
localhost.sin_port = 0; /* pick-a-port */
localhost.sin_addr.s_addr = htonl(0x7f000001L);
localhost.sin_family = AF_INET;
sa = (struct sockaddr *)&localhost;
lev = evconnlistener_new_bind(data->base, listen_cb, data->base,
LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
16, sa, sizeof(localhost));
tt_assert(lev);
sa = (struct sockaddr *)&ss;
slen = sizeof(ss);
if (regress_get_listener_addr(lev, sa, &slen) < 0) {
tt_abort_perror("getsockname");
}
tt_assert(!evconnlistener_enable(lev));
bev = bufferevent_socket_new(data->base, -1, be_flags);
tt_assert(bev);
bufferevent_setcb(bev, trigger_readcb, NULL, trigger_eventcb, data->base);
bufferevent_enable(bev, EV_READ);
tt_want(!bufferevent_socket_connect(bev, sa, sizeof(localhost)));
event_base_dispatch(data->base);
tt_int_op(n_reads_invoked, ==, 2);
end:
if (lev)
evconnlistener_free(lev);
if (bev)
bufferevent_free(bev);
}
static void
test_bufferevent_socket_filter_inactive(void *arg)
{
struct basic_test_data *data = arg;
struct bufferevent *bev = NULL, *bevf = NULL;
bev = bufferevent_socket_new(data->base, -1, 0);
tt_assert(bev);
bevf = bufferevent_filter_new(bev, NULL, NULL, 0, NULL, NULL);
tt_assert(bevf);
end:
if (bevf)
bufferevent_free(bevf);
if (bev)
bufferevent_free(bev);
}
static void
pair_flush_eventcb(struct bufferevent *bev, short what, void *ctx)
{
int *callback_what = ctx;
*callback_what = what;
}
static void
test_bufferevent_pair_flush(void *arg)
{
struct basic_test_data *data = arg;
struct bufferevent *xpair[2];
struct bufferevent *bev1 = NULL;
struct bufferevent *bev2 = NULL;
int callback_what = 0;
tt_assert(0 == bufferevent_pair_new(data->base, 0, xpair));
bev1 = xpair[0];
bev2 = xpair[1];
tt_assert(0 == bufferevent_enable(bev1, EV_WRITE));
tt_assert(0 == bufferevent_enable(bev2, EV_READ));
bufferevent_setcb(bev2, NULL, NULL, pair_flush_eventcb, &callback_what);
bufferevent_flush(bev1, EV_WRITE, BEV_FINISHED);
event_base_loop(data->base, EVLOOP_ONCE);
tt_assert(callback_what == (BEV_EVENT_READING | BEV_EVENT_EOF));
end:
if (bev1)
bufferevent_free(bev1);
if (bev2)
bufferevent_free(bev2);
}
struct bufferevent_filter_data_stuck {
size_t header_size;
size_t total_read;
};
static void
bufferevent_filter_data_stuck_readcb(struct bufferevent *bev, void *arg)
{
struct bufferevent_filter_data_stuck *filter_data = arg;
struct evbuffer *input = bufferevent_get_input(bev);
size_t read_size = evbuffer_get_length(input);
evbuffer_drain(input, read_size);
filter_data->total_read += read_size;
}
/**
* This filter prepends header once before forwarding data.
*/
static enum bufferevent_filter_result
bufferevent_filter_data_stuck_inputcb(
struct evbuffer *src, struct evbuffer *dst, ev_ssize_t dst_limit,
enum bufferevent_flush_mode mode, void *ctx)
{
struct bufferevent_filter_data_stuck *filter_data = ctx;
static int header_inserted = 0;
size_t payload_size;
size_t header_size = 0;
if (!header_inserted) {
char *header = calloc(filter_data->header_size, 1);
evbuffer_add(dst, header, filter_data->header_size);
free(header);
header_size = filter_data->header_size;
header_inserted = 1;
}
payload_size = evbuffer_get_length(src);
if (payload_size > dst_limit - header_size) {
payload_size = dst_limit - header_size;
}
tt_int_op(payload_size, ==, evbuffer_remove_buffer(src, dst, payload_size));
end:
return BEV_OK;
}
static void
test_bufferevent_filter_data_stuck(void *arg)
{
const size_t read_high_wm = 4096;
struct bufferevent_filter_data_stuck filter_data;
struct basic_test_data *data = arg;
struct bufferevent *xpair[2];
struct bufferevent *filter = NULL;
int options = BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS;
char payload[4096];
int payload_size = sizeof(payload);
memset(&filter_data, 0, sizeof(filter_data));
filter_data.header_size = 20;
tt_assert(bufferevent_pair_new(data->base, options, xpair) == 0);
bufferevent_setwatermark(xpair[0], EV_READ, 0, read_high_wm);
bufferevent_setwatermark(xpair[1], EV_READ, 0, read_high_wm);
tt_assert(
filter =
bufferevent_filter_new(xpair[1],
bufferevent_filter_data_stuck_inputcb,
NULL,
options,
NULL,
&filter_data));
bufferevent_setcb(filter,
bufferevent_filter_data_stuck_readcb,
NULL,
NULL,
&filter_data);
tt_assert(bufferevent_enable(filter, EV_READ|EV_WRITE) == 0);
bufferevent_setwatermark(filter, EV_READ, 0, read_high_wm);
tt_assert(bufferevent_write(xpair[0], payload, sizeof(payload)) == 0);
event_base_dispatch(data->base);
tt_int_op(filter_data.total_read, ==, payload_size + filter_data.header_size);
end:
if (xpair[0])
bufferevent_free(xpair[0]);
if (filter)
bufferevent_free(filter);
}
struct testcase_t bufferevent_testcases[] = {
LEGACY(bufferevent, TT_ISOLATED),
LEGACY(bufferevent_pair, TT_ISOLATED),
LEGACY(bufferevent_flush_normal, TT_ISOLATED),
LEGACY(bufferevent_flush_flush, TT_ISOLATED),
LEGACY(bufferevent_flush_finished, TT_ISOLATED),
LEGACY(bufferevent_pair_flush_normal, TT_ISOLATED),
LEGACY(bufferevent_pair_flush_flush, TT_ISOLATED),
LEGACY(bufferevent_pair_flush_finished, TT_ISOLATED),
#if defined(EVTHREAD_USE_PTHREADS_IMPLEMENTED) && !defined(__SANITIZE_ADDRESS__)
{ "bufferevent_pair_release_lock", test_bufferevent_pair_release_lock,
TT_FORK|TT_ISOLATED|TT_NEED_THREADS|TT_NEED_BASE|TT_LEGACY|TT_NO_LOGS,
&basic_setup, NULL },
#endif
LEGACY(bufferevent_watermarks, TT_ISOLATED),
LEGACY(bufferevent_pair_watermarks, TT_ISOLATED),
LEGACY(bufferevent_filters, TT_ISOLATED),
LEGACY(bufferevent_pair_filters, TT_ISOLATED),
LEGACY(bufferevent_filters_disable, TT_ISOLATED),
LEGACY(bufferevent_pair_filters_disable, TT_ISOLATED),
{ "bufferevent_connect", test_bufferevent_connect, TT_FORK|TT_NEED_BASE,
&basic_setup, __UNCONST("") },
{ "bufferevent_connect_defer", test_bufferevent_connect,
TT_FORK|TT_NEED_BASE, &basic_setup, __UNCONST("defer") },
{ "bufferevent_connect_lock", test_bufferevent_connect,
TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup, __UNCONST("lock") },
{ "bufferevent_connect_lock_defer", test_bufferevent_connect,
TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
__UNCONST("defer lock") },
{ "bufferevent_connect_unlocked_cbs", test_bufferevent_connect,
TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
__UNCONST("lock defer unlocked") },
{ "bufferevent_connect_fail", test_bufferevent_connect_fail,
TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
{ "bufferevent_timeout", test_bufferevent_timeouts,
TT_FORK|TT_NEED_BASE, &basic_setup, __UNCONST("") },
{ "bufferevent_timeout_pair", test_bufferevent_timeouts,
TT_FORK|TT_NEED_BASE, &basic_setup, __UNCONST("pair") },
{ "bufferevent_timeout_filter", test_bufferevent_timeouts,
TT_FORK|TT_NEED_BASE, &basic_setup, __UNCONST("filter") },
{ "bufferevent_timeout_filter_pair", test_bufferevent_timeouts,
TT_FORK|TT_NEED_BASE, &basic_setup, __UNCONST("filter pair") },
{ "bufferevent_trigger", test_bufferevent_trigger, TT_FORK|TT_NEED_BASE,
&basic_setup, __UNCONST("") },
{ "bufferevent_trigger_defer", test_bufferevent_trigger,
TT_FORK|TT_NEED_BASE, &basic_setup, __UNCONST("defer") },
{ "bufferevent_trigger_postpone", test_bufferevent_trigger,
TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
__UNCONST("postpone") },
{ "bufferevent_trigger_defer_postpone", test_bufferevent_trigger,
TT_FORK|TT_NEED_BASE|TT_NEED_THREADS, &basic_setup,
__UNCONST("defer postpone") },
#ifdef EVENT__HAVE_LIBZ
LEGACY(bufferevent_zlib, TT_ISOLATED),
#else
{ "bufferevent_zlib", NULL, TT_SKIP, NULL, NULL },
#endif
{ "bufferevent_connect_fail_eventcb_defer",
test_bufferevent_connect_fail_eventcb,
TT_FORK|TT_NEED_BASE, &basic_setup, (void*)BEV_OPT_DEFER_CALLBACKS },
{ "bufferevent_connect_fail_eventcb",
test_bufferevent_connect_fail_eventcb,
TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
{ "bufferevent_socket_filter_inactive",
test_bufferevent_socket_filter_inactive,
TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
{ "bufferevent_pair_flush",
test_bufferevent_pair_flush,
TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
{ "bufferevent_filter_data_stuck",
test_bufferevent_filter_data_stuck,
TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
END_OF_TESTCASES,
};
#define TT_IOCP (TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP)
#define TT_IOCP_LEGACY (TT_ISOLATED|TT_ENABLE_IOCP)
struct testcase_t bufferevent_iocp_testcases[] = {
LEGACY(bufferevent, TT_IOCP_LEGACY),
LEGACY(bufferevent_flush_normal, TT_ISOLATED),
LEGACY(bufferevent_flush_flush, TT_ISOLATED),
LEGACY(bufferevent_flush_finished, TT_ISOLATED),
LEGACY(bufferevent_watermarks, TT_IOCP_LEGACY),
LEGACY(bufferevent_filters, TT_IOCP_LEGACY),
LEGACY(bufferevent_filters_disable, TT_IOCP_LEGACY),
{ "bufferevent_connect", test_bufferevent_connect,
TT_IOCP, &basic_setup, __UNCONST("") },
{ "bufferevent_connect_defer", test_bufferevent_connect,
TT_IOCP, &basic_setup, __UNCONST("defer") },
{ "bufferevent_connect_lock", test_bufferevent_connect,
TT_IOCP, &basic_setup, __UNCONST("lock") },
{ "bufferevent_connect_lock_defer", test_bufferevent_connect,
TT_IOCP, &basic_setup, __UNCONST("defer lock") },
{ "bufferevent_connect_fail", test_bufferevent_connect_fail,
TT_IOCP, &basic_setup, NULL },
{ "bufferevent_connect_nonblocking", test_bufferevent_connect,
TT_IOCP, &basic_setup, __UNCONST("unset_connectex") },
{ "bufferevent_connect_fail_eventcb_defer",
test_bufferevent_connect_fail_eventcb,
TT_IOCP, &basic_setup, (void*)BEV_OPT_DEFER_CALLBACKS },
{ "bufferevent_connect_fail_eventcb",
test_bufferevent_connect_fail_eventcb, TT_IOCP, &basic_setup, NULL },
END_OF_TESTCASES,
};
