Hi On Tue, May 30, 2017 at 6:15 PM Anton Nefedov <anton.nefe...@virtuozzo.com> wrote:
> Signed-off-by: Anton Nefedov <anton.nefe...@virtuozzo.com> > --- > tests/test-char.c | 68 > +++++++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 68 insertions(+) > > diff --git a/tests/test-char.c b/tests/test-char.c > index ed6b18f..cd54f88 100644 > --- a/tests/test-char.c > +++ b/tests/test-char.c > @@ -635,6 +635,73 @@ static void char_invalid_test(void) > g_assert_null(chr); > } > > +static int chardev_change(void *opaque) > +{ > + return 0; > +} > + > +static int chardev_change_denied(void *opaque) > +{ > + return -1; > +} > + > +static void char_hotswap_test(void) > +{ > + char *chr_args; > + Chardev *chr; > + CharBackend be; > + > + gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); > + char *filename = g_build_filename(tmp_path, "file", NULL); > + ChardevFile file = { .out = filename }; > + ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, > + .u.file.data = &file }; > + > + int port; > + int sock = make_udp_socket(&port); > + g_assert_cmpint(sock, >, 0); > + > + chr_args = g_strdup_printf("udp:127.0.0.1:%d", port); > + > + chr = qemu_chr_new("chardev", chr_args); > + qemu_chr_fe_init(&be, chr, &error_abort); > + > + /* check that chardev operates correctly */ > + char_udp_test_internal(chr, sock); > + > + /* set the handler that denies the hotswap */ > + qemu_chr_fe_set_handlers(&be, NULL, NULL, > + NULL, chardev_change_denied, NULL, NULL, > true); > + > + /* now, change is denied and has to keep the old backend operating */ > + qmp_chardev_change("chardev", &backend, NULL); > Please add qapi_free_ChardevReturn(ret); other than that: Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com> + g_assert(be.chr == chr); > + > + char_udp_test_internal(chr, sock); > + > + /* now allow the change */ > + qemu_chr_fe_set_handlers(&be, NULL, NULL, > + NULL, chardev_change, NULL, NULL, true); > + > + /* has to succeed now */ > + qmp_chardev_change("chardev", &backend, &error_abort); > + g_assert(be.chr != chr); > + > + close(sock); > + chr = be.chr; > + > + /* run the file chardev test */ > + char_file_test_internal(chr, filename); > + > + object_unparent(OBJECT(chr)); > + > + g_unlink(filename); > + g_free(filename); > + g_rmdir(tmp_path); > + g_free(tmp_path); > + g_free(chr_args); > +} > + > int main(int argc, char **argv) > { > qemu_init_main_loop(&error_abort); > @@ -666,6 +733,7 @@ int main(int argc, char **argv) > #endif > g_test_add_func("/char/socket", char_socket_test); > g_test_add_func("/char/udp", char_udp_test); > + g_test_add_func("/char/hotswap", char_hotswap_test); > > return g_test_run(); > } > -- > 2.7.4 > > > -- Marc-André Lureau