From patchwork Thu Apr 1 11:55:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 1460996 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=X6gN3tOb; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FB1t30x7Nz9sVq for ; Thu, 1 Apr 2021 22:58:35 +1100 (AEDT) Received: from localhost ([::1]:51838 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRvy5-0007tz-52 for incoming@patchwork.ozlabs.org; Thu, 01 Apr 2021 07:58:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43128) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lRvwM-0005UF-7E for qemu-devel@nongnu.org; Thu, 01 Apr 2021 07:56:46 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:51197) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lRvwK-0002Xv-13 for qemu-devel@nongnu.org; Thu, 01 Apr 2021 07:56:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617278203; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uhfSmRhns+ivA4uVzbLsfC95kF/YsbwJNKXaDqCxNxk=; b=X6gN3tObm0C7Y3y7lDKyPjmdSB6BGZwauS1Qsh1tk4k59O80JaFpM/WxYfQLt9+kLWSEvL mqoQhr0a+BCxMTV/QPq7Nc7AAld33tYAjw0Q5rprrlAkR/9pnpN4HDgVWsi1Mgce/f7HJy KDcopSWE9n6Du97qymhBMtq6hsTZIlk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-202-VQ06xojbP7iXK00yn6aIAw-1; Thu, 01 Apr 2021 07:56:39 -0400 X-MC-Unique: VQ06xojbP7iXK00yn6aIAw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 92564801597; Thu, 1 Apr 2021 11:56:38 +0000 (UTC) Received: from localhost (unknown [10.36.110.2]) by smtp.corp.redhat.com (Postfix) with ESMTP id F33605D72F; Thu, 1 Apr 2021 11:56:36 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Subject: [PULL v2 9/9] tests: Add tests for yank with the chardev-change case Date: Thu, 1 Apr 2021 15:55:32 +0400 Message-Id: <20210401115532.430961-10-marcandre.lureau@redhat.com> In-Reply-To: <20210401115532.430961-1-marcandre.lureau@redhat.com> References: <20210401115532.430961-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=marcandre.lureau@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Lukas Straub Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Lukas Straub Add tests for yank with the chardev-change case. Signed-off-by: Lukas Straub Reviewed-by: Marc-André Lureau Tested-by: Li Zhang Message-Id: <697ce111503a8bab011d21519ae0b6b07041ec9a.1617127849.git.lukasstraub2@web.de> --- tests/unit/test-yank.c | 249 +++++++++++++++++++++++++++++++++++++++++ MAINTAINERS | 1 + tests/unit/meson.build | 3 +- 3 files changed, 252 insertions(+), 1 deletion(-) create mode 100644 tests/unit/test-yank.c diff --git a/tests/unit/test-yank.c b/tests/unit/test-yank.c new file mode 100644 index 0000000000..2383d2908c --- /dev/null +++ b/tests/unit/test-yank.c @@ -0,0 +1,249 @@ +/* + * Tests for QEMU yank feature + * + * Copyright (c) Lukas Straub + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include + +#include "qemu/config-file.h" +#include "qemu/module.h" +#include "qemu/option.h" +#include "chardev/char-fe.h" +#include "sysemu/sysemu.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-char.h" +#include "qapi/qapi-types-char.h" +#include "qapi/qapi-commands-yank.h" +#include "qapi/qapi-types-yank.h" +#include "io/channel-socket.h" +#include "socket-helpers.h" + +typedef struct { + SocketAddress *addr; + bool old_yank; + bool new_yank; + bool fail; +} CharChangeTestConfig; + +static int chardev_change(void *opaque) +{ + return 0; +} + +static bool is_yank_instance_registered(void) +{ + YankInstanceList *list; + bool ret; + + list = qmp_query_yank(&error_abort); + + ret = !!list; + + qapi_free_YankInstanceList(list); + + return ret; +} + +static gpointer accept_thread(gpointer data) +{ + QIOChannelSocket *ioc = data; + QIOChannelSocket *cioc; + + cioc = qio_channel_socket_accept(ioc, &error_abort); + object_unref(OBJECT(cioc)); + + return NULL; +} + +static void char_change_test(gconstpointer opaque) +{ + CharChangeTestConfig *conf = (gpointer) opaque; + SocketAddress *addr; + Chardev *chr; + CharBackend be; + ChardevReturn *ret; + QIOChannelSocket *ioc; + QemuThread thread; + + /* + * Setup a listener socket and determine its address + * so we know the TCP port for the client later + */ + ioc = qio_channel_socket_new(); + g_assert_nonnull(ioc); + qio_channel_socket_listen_sync(ioc, conf->addr, 1, &error_abort); + addr = qio_channel_socket_get_local_address(ioc, &error_abort); + g_assert_nonnull(addr); + + ChardevBackend backend[2] = { + /* doesn't support yank */ + { .type = CHARDEV_BACKEND_KIND_NULL }, + /* supports yank */ + { + .type = CHARDEV_BACKEND_KIND_SOCKET, + .u.socket.data = &(ChardevSocket) { + .addr = &(SocketAddressLegacy) { + .type = SOCKET_ADDRESS_LEGACY_KIND_INET, + .u.inet.data = &addr->u.inet + }, + .has_server = true, + .server = false + } + } }; + + ChardevBackend fail_backend[2] = { + /* doesn't support yank */ + { + .type = CHARDEV_BACKEND_KIND_UDP, + .u.udp.data = &(ChardevUdp) { + .remote = &(SocketAddressLegacy) { + .type = SOCKET_ADDRESS_LEGACY_KIND_UNIX, + .u.q_unix.data = &(UnixSocketAddress) { + .path = (char *)"" + } + } + } + }, + /* supports yank */ + { + .type = CHARDEV_BACKEND_KIND_SOCKET, + .u.socket.data = &(ChardevSocket) { + .addr = &(SocketAddressLegacy) { + .type = SOCKET_ADDRESS_LEGACY_KIND_INET, + .u.inet.data = &(InetSocketAddress) { + .host = (char *)"127.0.0.1", + .port = (char *)"0" + } + }, + .has_server = true, + .server = false + } + } }; + + g_assert(!is_yank_instance_registered()); + + if (conf->old_yank) { + qemu_thread_create(&thread, "accept", accept_thread, + ioc, QEMU_THREAD_JOINABLE); + } + + ret = qmp_chardev_add("chardev", &backend[conf->old_yank], &error_abort); + qapi_free_ChardevReturn(ret); + chr = qemu_chr_find("chardev"); + g_assert_nonnull(chr); + + g_assert(is_yank_instance_registered() == conf->old_yank); + + qemu_chr_wait_connected(chr, &error_abort); + if (conf->old_yank) { + qemu_thread_join(&thread); + } + + qemu_chr_fe_init(&be, chr, &error_abort); + /* allow chardev-change */ + qemu_chr_fe_set_handlers(&be, NULL, NULL, + NULL, chardev_change, NULL, NULL, true); + + if (conf->fail) { + g_setenv("QTEST_SILENT_ERRORS", "1", 1); + ret = qmp_chardev_change("chardev", &fail_backend[conf->new_yank], + NULL); + g_assert_null(ret); + g_assert(be.chr == chr); + g_assert(is_yank_instance_registered() == conf->old_yank); + g_unsetenv("QTEST_SILENT_ERRORS"); + } else { + if (conf->new_yank) { + qemu_thread_create(&thread, "accept", accept_thread, + ioc, QEMU_THREAD_JOINABLE); + } + ret = qmp_chardev_change("chardev", &backend[conf->new_yank], + &error_abort); + if (conf->new_yank) { + qemu_thread_join(&thread); + } + g_assert_nonnull(ret); + g_assert(be.chr != chr); + g_assert(is_yank_instance_registered() == conf->new_yank); + } + + object_unparent(OBJECT(be.chr)); + object_unref(OBJECT(ioc)); + qapi_free_ChardevReturn(ret); + qapi_free_SocketAddress(addr); +} + +static SocketAddress tcpaddr = { + .type = SOCKET_ADDRESS_TYPE_INET, + .u.inet.host = (char *)"127.0.0.1", + .u.inet.port = (char *)"0", +}; + +int main(int argc, char **argv) +{ + bool has_ipv4, has_ipv6; + + qemu_init_main_loop(&error_abort); + socket_init(); + + g_test_init(&argc, &argv, NULL); + + if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) { + g_printerr("socket_check_protocol_support() failed\n"); + goto end; + } + + if (!has_ipv4) { + goto end; + } + + module_call_init(MODULE_INIT_QOM); + qemu_add_opts(&qemu_chardev_opts); + + g_test_add_data_func("/yank/char_change/success/to_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = false, + .new_yank = true, + .fail = false }, + char_change_test); + g_test_add_data_func("/yank/char_change/fail/to_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = false, + .new_yank = true, + .fail = true }, + char_change_test); + + g_test_add_data_func("/yank/char_change/success/yank_to_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = true, + .new_yank = true, + .fail = false }, + char_change_test); + g_test_add_data_func("/yank/char_change/fail/yank_to_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = true, + .new_yank = true, + .fail = true }, + char_change_test); + + g_test_add_data_func("/yank/char_change/success/from_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = true, + .new_yank = false, + .fail = false }, + char_change_test); + g_test_add_data_func("/yank/char_change/fail/from_yank", + &(CharChangeTestConfig) { .addr = &tcpaddr, + .old_yank = true, + .new_yank = false, + .fail = true }, + char_change_test); + +end: + return g_test_run(); +} diff --git a/MAINTAINERS b/MAINTAINERS index dcab656e62..aa894767dc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2823,6 +2823,7 @@ M: Lukas Straub S: Odd fixes F: util/yank.c F: migration/yank_functions* +F: tests/unit/test-yank.c F: include/qemu/yank.h F: qapi/yank.json diff --git a/tests/unit/meson.build b/tests/unit/meson.build index 4bfe4627ba..b3bc2109da 100644 --- a/tests/unit/meson.build +++ b/tests/unit/meson.build @@ -123,7 +123,8 @@ if have_system 'test-util-sockets': ['socket-helpers.c'], 'test-base64': [], 'test-bufferiszero': [], - 'test-vmstate': [migration, io] + 'test-vmstate': [migration, io], + 'test-yank': ['socket-helpers.c', qom, io, chardev] } if 'CONFIG_INOTIFY1' in config_host tests += {'test-util-filemonitor': []}