Merge branch 'listener-immediate-close'

* listener-immediate-close:
  test/listener: cover immediate-close logic
  Immediately stop trying to accept more connections if listener disabled
This commit is contained in:
Azat Khuzhin 2018-01-04 19:28:59 +03:00
commit 416b48ba7a
2 changed files with 46 additions and 0 deletions

View File

@ -424,6 +424,11 @@ listener_read_cb(evutil_socket_t fd, short what, void *p)
return; return;
} }
--lev->refcnt; --lev->refcnt;
if (!lev->enabled) {
/* the callback could have disabled the listener */
UNLOCK(lev);
return;
}
} }
err = evutil_socket_geterror(fd); err = evutil_socket_geterror(fd);
if (EVUTIL_ERR_ACCEPT_RETRIABLE(err)) { if (EVUTIL_ERR_ACCEPT_RETRIABLE(err)) {

View File

@ -230,6 +230,44 @@ end:
; ;
} }
static void
regress_listener_immediate_close(void *arg)
{
struct basic_test_data *data = arg;
struct event_base *base = data->base;
struct evconnlistener *listener = NULL;
struct sockaddr_in sin;
struct sockaddr_storage ss;
ev_socklen_t slen = sizeof(ss);
int count = 1;
unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE;
int fd1 = -1, fd2 = -1;
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */
sin.sin_port = 0; /* "You pick!" */
/* Start a listener with a bogus socket. */
listener = evconnlistener_new_bind(base, acceptcb, &count,
flags, -1, (struct sockaddr *)&sin, sizeof(sin));
tt_assert(listener);
tt_assert(getsockname(evconnlistener_get_fd(listener),
(struct sockaddr*)&ss, &slen) == 0);
evutil_socket_connect_(&fd1, (struct sockaddr*)&ss, slen);
evutil_socket_connect_(&fd2, (struct sockaddr*)&ss, slen);
event_base_dispatch(base);
tt_int_op(count, ==, 0);
end:
if (listener)
evconnlistener_free(listener);
}
#ifdef EVENT__HAVE_SETRLIMIT #ifdef EVENT__HAVE_SETRLIMIT
static void static void
regress_listener_error_unlock(void *arg) regress_listener_error_unlock(void *arg)
@ -290,6 +328,9 @@ struct testcase_t listener_testcases[] = {
{ "close_accepted_fd", regress_listener_close_accepted_fd, { "close_accepted_fd", regress_listener_close_accepted_fd,
TT_FORK|TT_NEED_BASE, &basic_setup, NULL, }, TT_FORK|TT_NEED_BASE, &basic_setup, NULL, },
{ "immediate_close", regress_listener_immediate_close,
TT_FORK|TT_NEED_BASE, &basic_setup, NULL, },
END_OF_TESTCASES, END_OF_TESTCASES,
}; };