void
test_kevent_socket_clear(struct test_context *ctx)
{
struct kevent kev, ret;
test_no_kevents(ctx->kqfd);
kevent_socket_drain(ctx);
EV_SET(&kev, ctx->client_fd, EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent1");
kevent_socket_fill(ctx);
kevent_socket_fill(ctx);
/* Solaris does not offer a way to get the amount of data pending */
#if defined(__sun__)
kev.data = 1;
#else
kev.data = 2;
#endif
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
/* We filled twice, but drain once. Edge-triggered would not generate
additional events.
*/
kevent_socket_drain(ctx);
test_no_kevents(ctx->kqfd);
kevent_socket_drain(ctx);
EV_SET(&kev, ctx->client_fd, EVFILT_READ, EV_DELETE, 0, 0, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent2");
}
void
test_kevent_socket_clear(void)
{
const char *test_id = "kevent(EVFILT_READ, EV_CLEAR)";
struct kevent kev;
test_begin(test_id);
test_no_kevents();
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
kevent_socket_fill();
kevent_socket_fill();
kev.data = 2;
kevent_cmp(&kev, kevent_get(kqfd));
/* We filled twice, but drain once. Edge-triggered would not generate
additional events.
*/
kevent_socket_drain();
test_no_kevents();
kevent_socket_drain();
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
success();
}
void
test_kevent_socket_lowat(void)
{
const char *test_id = "kevent(EVFILT_READ, NOTE_LOWAT)";
struct kevent kev;
test_begin(test_id);
/* Re-add the watch and make sure no events are pending */
puts("-- re-adding knote, setting low watermark to 2 bytes");
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_ONESHOT, NOTE_LOWAT, 2, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
test_no_kevents();
puts("-- checking that one byte does not trigger an event..");
kevent_socket_fill();
test_no_kevents();
puts("-- checking that two bytes triggers an event..");
kevent_socket_fill();
if (kevent(kqfd, NULL, 0, &kev, 1, NULL) != 1)
err(1, "%s", test_id);
KEV_CMP(kev, sockfd[0], EVFILT_READ, 0);
test_no_kevents();
kevent_socket_drain();
kevent_socket_drain();
success();
}
void
test_kevent_socket_lowat(struct test_context *ctx)
{
struct kevent kev;
test_begin(test_id);
/* Re-add the watch and make sure no events are pending */
puts("-- re-adding knote, setting low watermark to 2 bytes");
EV_SET(&kev, ctx->client_fd, EVFILT_READ, EV_ADD | EV_ONESHOT, NOTE_LOWAT, 2, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("%s", test_id);
test_no_kevents();
puts("-- checking that one byte does not trigger an event..");
kevent_socket_fill(ctx);
test_no_kevents();
puts("-- checking that two bytes triggers an event..");
kevent_socket_fill(ctx);
if (kevent(ctx->kqfd, NULL, 0, &kev, 1, NULL) != 1)
die("%s", test_id);
KEV_CMP(kev, ctx->client_fd, EVFILT_READ, 0);
test_no_kevents();
kevent_socket_drain(ctx);
kevent_socket_drain(ctx);
}
void
test_kevent_socket_get(void)
{
const char *test_id = "kevent(EVFILT_READ) wait";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
kevent_socket_fill();
kev.data = 1;
kevent_cmp(&kev, kevent_get(kqfd));
kevent_socket_drain();
test_no_kevents();
kev.flags = EV_DELETE;
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
success();
}
void
test_kevent_socket_dispatch(void)
{
const char *test_id = "kevent(EVFILT_READ, EV_DISPATCH)";
test_begin(test_id);
struct kevent kev;
/* Re-add the watch and make sure no events are pending */
puts("-- re-adding knote");
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_DISPATCH, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
test_no_kevents();
/* The event will occur only once, even though EV_CLEAR is not
specified. */
kevent_socket_fill();
kev.data = 1;
kevent_cmp(&kev, kevent_get(kqfd));
test_no_kevents();
/* Since the knote is disabled, the EV_DELETE operation succeeds. */
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
kevent_socket_drain();
success();
}
void
test_kevent_socket_oneshot(void)
{
const char *test_id = "kevent(EVFILT_READ, EV_ONESHOT)";
struct kevent kev;
test_begin(test_id);
/* Re-add the watch and make sure no events are pending */
puts("-- re-adding knote");
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_ONESHOT, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
test_no_kevents();
puts("-- getting one event");
kevent_socket_fill();
kev.data = 1;
kevent_cmp(&kev, kevent_get(kqfd));
puts("-- checking knote disabled");
test_no_kevents();
/* Try to delete the knote, it should already be deleted */
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) == 0)
err(1, "%s", test_id);
kevent_socket_drain();
success();
}
void
test_kevent_socket_disable_and_enable(void)
{
const char *test_id = "kevent(EVFILT_READ, EV_DISABLE)";
struct kevent kev;
test_begin(test_id);
/* Add an event, then disable it. */
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DISABLE, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
kevent_socket_fill();
test_no_kevents();
/* Re-enable the knote, then see if an event is generated */
kev.flags = EV_ENABLE;
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
kev.flags = EV_ADD;
kev.data = 1;
kevent_cmp(&kev, kevent_get(kqfd));
kevent_socket_drain();
kev.flags = EV_DELETE;
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
success();
}
void
test_kevent_socket_dispatch(struct test_context *ctx)
{
struct kevent kev, ret;
/* Re-add the watch and make sure no events are pending */
kevent_add(ctx->kqfd, &kev, ctx->client_fd, EVFILT_READ, EV_ADD | EV_DISPATCH, 0, 0, &ctx->client_fd);
test_no_kevents(ctx->kqfd);
/* The event will occur only once, even though EV_CLEAR is not
specified. */
kevent_socket_fill(ctx);
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
test_no_kevents(ctx->kqfd);
/* Re-enable the kevent */
/* FIXME- is EV_DISPATCH needed when rearming ? */
kevent_add(ctx->kqfd, &kev, ctx->client_fd, EVFILT_READ, EV_ENABLE | EV_DISPATCH, 0, 0, &ctx->client_fd);
kev.data = 1;
kev.flags = EV_ADD | EV_DISPATCH; /* FIXME: may not be portable */
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
test_no_kevents(ctx->kqfd);
/* Since the knote is disabled, the EV_DELETE operation succeeds. */
kevent_add(ctx->kqfd, &kev, ctx->client_fd, EVFILT_READ, EV_DELETE, 0, 0, &ctx->client_fd);
kevent_socket_drain(ctx);
}
void
test_kevent_socket_oneshot(struct test_context *ctx)
{
struct kevent kev, ret;
/* Re-add the watch and make sure no events are pending */
kevent_add(ctx->kqfd, &kev, ctx->client_fd, EVFILT_READ, EV_ADD | EV_ONESHOT, 0, 0, &ctx->client_fd);
test_no_kevents(ctx->kqfd);
kevent_socket_fill(ctx);
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
test_no_kevents(ctx->kqfd);
/* Verify that the kernel watch has been deleted */
kevent_socket_fill(ctx);
test_no_kevents(ctx->kqfd);
kevent_socket_drain(ctx);
/* Verify that the kevent structure does not exist. */
kev.flags = EV_DELETE;
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) == 0)
die("kevent() should have failed");
}
void
test_kevent_socket_disable_and_enable(struct test_context *ctx)
{
struct kevent kev, ret;
/* Add an event, then disable it. */
EV_SET(&kev, ctx->client_fd, EVFILT_READ, EV_ADD, 0, 0, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent");
EV_SET(&kev, ctx->client_fd, EVFILT_READ, EV_DISABLE, 0, 0, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent");
kevent_socket_fill(ctx);
test_no_kevents(ctx->kqfd);
/* Re-enable the knote, then see if an event is generated */
kev.flags = EV_ENABLE;
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent");
kev.flags = EV_ADD;
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
kevent_socket_drain(ctx);
kev.flags = EV_DELETE;
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent");
}
void
test_kevent_socket_del(struct test_context *ctx)
{
struct kevent kev;
EV_SET(&kev, ctx->client_fd, EVFILT_READ, EV_DELETE, 0, 0, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent");
kevent_socket_fill(ctx);
test_no_kevents(ctx->kqfd);
kevent_socket_drain(ctx);
}
void
test_kevent_socket_del(void)
{
const char *test_id = "kevent(EVFILT_READ, EV_DELETE)";
struct kevent kev;
test_begin(test_id);
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_DELETE, 0, 0, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
kevent_socket_fill();
test_no_kevents();
kevent_socket_drain();
success();
}
void
test_kevent_socket_add_without_ev_add(struct test_context *ctx)
{
struct kevent kev;
/* Try to add a kevent without specifying EV_ADD */
EV_SET(&kev, ctx->client_fd, EVFILT_READ, 0, 0, 0, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) == 0)
die("kevent should have failed");
kevent_socket_fill(ctx);
test_no_kevents(ctx->kqfd);
kevent_socket_drain(ctx);
/* Try to delete a kevent which does not exist */
kev.flags = EV_DELETE;
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) == 0)
die("kevent should have failed");
}
void
test_kevent_socket_get(struct test_context *ctx)
{
struct kevent kev, ret;
EV_SET(&kev, ctx->client_fd, EVFILT_READ, EV_ADD, 0, 0, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent:1");
kevent_socket_fill(ctx);
kev.data = 1;
kevent_get(&ret, ctx->kqfd);
kevent_cmp(&kev, &ret);
kevent_socket_drain(ctx);
test_no_kevents(ctx->kqfd);
kev.flags = EV_DELETE;
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("kevent:2");
}
