From patchwork Thu Mar 17 07:32:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Chen X-Patchwork-Id: 8607541 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 27B739F6E1 for ; Thu, 17 Mar 2016 07:32:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1CD2420279 for ; Thu, 17 Mar 2016 07:32:19 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D72AF20268 for ; Thu, 17 Mar 2016 07:32:17 +0000 (UTC) Received: from localhost ([::1]:33058 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agSPl-0003ES-9l for patchwork-qemu-devel@patchwork.kernel.org; Thu, 17 Mar 2016 03:32:13 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51917) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agSOd-0001ir-9c for qemu-devel@nongnu.org; Thu, 17 Mar 2016 03:31:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1agSOb-0007xs-84 for qemu-devel@nongnu.org; Thu, 17 Mar 2016 03:31:03 -0400 Received: from [59.151.112.132] (port=46205 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agSOa-0007nB-K2 for qemu-devel@nongnu.org; Thu, 17 Mar 2016 03:31:01 -0400 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="4675273" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 17 Mar 2016 15:30:42 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (unknown [10.167.33.83]) by cn.fujitsu.com (Postfix) with ESMTP id 10E7D42B55F2; Thu, 17 Mar 2016 15:30:41 +0800 (CST) Received: from G08FNSTD140215.g08.fujitsu.local (10.167.226.56) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.279.2; Thu, 17 Mar 2016 15:30:40 +0800 From: Zhang Chen To: qemu devel , Jason Wang Date: Thu, 17 Mar 2016 15:32:08 +0800 Message-ID: <1458199928-6040-3-git-send-email-zhangchen.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1458199928-6040-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> References: <1458199928-6040-1-git-send-email-zhangchen.fnst@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.56] X-yoursite-MailScanner-ID: 10E7D42B55F2.A054D X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: zhangchen.fnst@cn.fujitsu.com X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Cc: Li Zhijian , Gui jianfeng , "eddie.dong" , zhanghailiang , "Dr. David Alan Gilbert" , Zhang Chen , Yang Hongyang Subject: [Qemu-devel] [PATCH V6 2/2] tests/test-filter-redirector: Add unit test for filter-redirector X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In this unit test,we will test the filter redirector function. Case 1, tx traffic flow: qemu side | test side | +---------+ | +-------+ | backend <---------------+ sock0 | +----+----+ | +-------+ | | +----v----+ +-------+ | | rd0 +->+chardev| | +---------+ +---+---+ | | | +---------+ | | | rd1 <------+ | +----+----+ | | | +----v----+ | +-------+ | rd2 +--------------->sock1 | +---------+ | +-------+ + a. we(sock0) inject packet to qemu socket backend b. backend pass packet to filter redirector0(rd0) c. rd0 redirect packet to out_dev(chardev) which is connected with filter redirector1's(rd1) in_dev d. rd1 read this packet from in_dev, and pass to next filter redirector2(rd2) e. rd2 redirect packet to rd2's out_dev which is connected with an opened socketed(sock1) f. we read packet from sock1 and compare to what we inject Start qemu with: "-netdev socket,id=qtest-bn0,fd=%d " "-device rtl8139,netdev=qtest-bn0,id=qtest-e0 " "-chardev socket,id=redirector0,path=%s,server,nowait " "-chardev socket,id=redirector1,path=%s,server,nowait " "-chardev socket,id=redirector2,path=%s,nowait " "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," "queue=tx,outdev=redirector0 " "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," "queue=tx,indev=redirector2 " "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0," "queue=tx,outdev=redirector1 " -------------------------------------- Case 2, rx traffic flow qemu side | test side | +---------+ | +-------+ | backend +---------------> sock1 | +----^----+ | +-------+ | | +----+----+ +-------+ | | rd0 +<-+chardev| | +---------+ +---+---+ | ^ | +---------+ | | | rd1 +------+ | +----^----+ | | | +----+----+ | +-------+ | rd2 <---------------+sock0 | +---------+ | +-------+ a. we(sock0) insert packet to filter redirector2(rd2) b. rd2 pass packet to filter redirector1(rd1) c. rd1 redirect packet to out_dev(chardev) which is connected with filter redirector0's(rd0) in_dev d. rd0 read this packet from in_dev, and pass ti to qemu backend which is connected with an opened socketed(sock1) e. we read packet from sock1 and compare to what we inject Start qemu with: "-netdev socket,id=qtest-bn0,fd=%d " "-device rtl8139,netdev=qtest-bn0,id=qtest-e0 " "-chardev socket,id=redirector0,path=%s,server,nowait " "-chardev socket,id=redirector1,path=%s,server,nowait " "-chardev socket,id=redirector2,path=%s,nowait " "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," "queue=rx,outdev=redirector0 " "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," "queue=rx,indev=redirector2 " "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0," "queue=rx,outdev=redirector1 " Signed-off-by: Zhang Chen Signed-off-by: Wen Congyang Signed-off-by: Li Zhijian --- tests/.gitignore | 1 + tests/Makefile | 2 + tests/test-filter-redirector.c | 221 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 224 insertions(+) create mode 100644 tests/test-filter-redirector.c diff --git a/tests/.gitignore b/tests/.gitignore index 10df017..5069d5d 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -64,5 +64,6 @@ test-x86-cpuid test-xbzrle test-netfilter test-filter-mirror +test-filter-redirector *-test qapi-schema/*.test.* diff --git a/tests/Makefile b/tests/Makefile index 5a8f590..ff212b6 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -214,6 +214,7 @@ check-qtest-x86_64-$(CONFIG_VHOST_NET_TEST_x86_64) += tests/vhost-user-test$(EXE endif check-qtest-i386-y += tests/test-netfilter$(EXESUF) check-qtest-i386-y += tests/test-filter-mirror$(EXESUF) +check-qtest-i386-y += tests/test-filter-redirector$(EXESUF) check-qtest-x86_64-y = $(check-qtest-i386-y) gcov-files-i386-y += i386-softmmu/hw/timer/mc146818rtc.c gcov-files-x86_64-y = $(subst i386-softmmu/,x86_64-softmmu/,$(gcov-files-i386-y)) @@ -568,6 +569,7 @@ tests/test-qemu-opts$(EXESUF): tests/test-qemu-opts.o $(test-util-obj-y) tests/test-write-threshold$(EXESUF): tests/test-write-threshold.o $(test-block-obj-y) tests/test-netfilter$(EXESUF): tests/test-netfilter.o $(qtest-obj-y) tests/test-filter-mirror$(EXESUF): tests/test-filter-mirror.o $(qtest-obj-y) +tests/test-filter-redirector$(EXESUF): tests/test-filter-redirector.o $(qtest-obj-y) tests/ivshmem-test$(EXESUF): tests/ivshmem-test.o contrib/ivshmem-server/ivshmem-server.o $(libqos-pc-obj-y) tests/vhost-user-bridge$(EXESUF): tests/vhost-user-bridge.o diff --git a/tests/test-filter-redirector.c b/tests/test-filter-redirector.c new file mode 100644 index 0000000..b93012c --- /dev/null +++ b/tests/test-filter-redirector.c @@ -0,0 +1,221 @@ +/* + * QTest testcase for filter-redirector + * + * Copyright (c) 2016 FUJITSU LIMITED + * Author: Zhang Chen + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * later. See the COPYING file in the top-level directory. + * + * Case 1, tx traffic flow: + * + * qemu side | test side + * | + * +---------+ | +-------+ + * | backend <---------------+ sock0 | + * +----+----+ | +-------+ + * | | + * +----v----+ +-------+ | + * | rd0 +->+chardev| | + * +---------+ +---+---+ | + * | | + * +---------+ | | + * | rd1 <------+ | + * +----+----+ | + * | | + * +----v----+ | +-------+ + * | rd2 +--------------->sock1 | + * +---------+ | +-------+ + * + + * + * -------------------------------------- + * Case 2, rx traffic flow + * qemu side | test side + * | + * +---------+ | +-------+ + * | backend +---------------> sock1 | + * +----^----+ | +-------+ + * | | + * +----+----+ +-------+ | + * | rd0 +<-+chardev| | + * +---------+ +---+---+ | + * ^ | + * +---------+ | | + * | rd1 +------+ | + * +----^----+ | + * | | + * +----+----+ | +-------+ + * | rd2 <---------------+sock0 | + * +---------+ | +-------+ + * + + */ + +#include "qemu/osdep.h" +#include +#include "libqtest.h" +#include "qemu/iov.h" +#include "qemu/sockets.h" +#include "qemu/error-report.h" +#include "qemu/main-loop.h" + +static void test_redirector_tx(void) +{ +#ifndef _WIN32 +/* socketpair(PF_UNIX) which does not exist on windows */ + + int backend_sock[2], recv_sock; + char *cmdline; + uint32_t ret = 0, len = 0; + char send_buf[] = "Hello!!"; + char sock_path0[] = "filter-redirector0.XXXXXX"; + char sock_path1[] = "filter-redirector1.XXXXXX"; + char *recv_buf; + uint32_t size = sizeof(send_buf); + size = htonl(size); + + ret = socketpair(PF_UNIX, SOCK_STREAM, 0, backend_sock); + g_assert_cmpint(ret, !=, -1); + + ret = mkstemp(sock_path0); + g_assert_cmpint(ret, !=, -1); + ret = mkstemp(sock_path1); + g_assert_cmpint(ret, !=, -1); + + cmdline = g_strdup_printf("-netdev socket,id=qtest-bn0,fd=%d " + "-device rtl8139,netdev=qtest-bn0,id=qtest-e0 " + "-chardev socket,id=redirector0,path=%s,server,nowait " + "-chardev socket,id=redirector1,path=%s,server,nowait " + "-chardev socket,id=redirector2,path=%s,nowait " + "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," + "queue=tx,outdev=redirector0 " + "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," + "queue=tx,indev=redirector2 " + "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0," + "queue=tx,outdev=redirector1 " + , backend_sock[1], sock_path0, sock_path1, sock_path0); + qtest_start(cmdline); + g_free(cmdline); + + recv_sock = unix_connect(sock_path1, NULL); + g_assert_cmpint(recv_sock, !=, -1); + + /* send a qmp command to guarantee that 'connected' is setting to true. */ + qmp("{ 'execute' : 'query-status'}"); + + struct iovec iov[] = { + { + .iov_base = &size, + .iov_len = sizeof(size), + }, { + .iov_base = send_buf, + .iov_len = sizeof(send_buf), + }, + }; + + ret = iov_send(backend_sock[0], iov, 2, 0, sizeof(size) + sizeof(send_buf)); + g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size)); + close(backend_sock[0]); + + ret = qemu_recv(recv_sock, &len, sizeof(len), 0); + g_assert_cmpint(ret, ==, sizeof(len)); + len = ntohl(len); + + g_assert_cmpint(len, ==, sizeof(send_buf)); + recv_buf = g_malloc(len); + ret = qemu_recv(recv_sock, recv_buf, len, 0); + g_assert_cmpstr(recv_buf, ==, send_buf); + + g_free(recv_buf); + close(recv_sock); + unlink(sock_path0); + unlink(sock_path1); + qtest_end(); + +#endif +} + +static void test_redirector_rx(void) +{ +#ifndef _WIN32 +/* socketpair(PF_UNIX) which does not exist on windows */ + + int backend_sock[2], send_sock; + char *cmdline; + uint32_t ret = 0, len = 0; + char send_buf[] = "Hello!!"; + char sock_path0[] = "filter-redirector0.XXXXXX"; + char sock_path1[] = "filter-redirector1.XXXXXX"; + char *recv_buf; + uint32_t size = sizeof(send_buf); + size = htonl(size); + + ret = socketpair(PF_UNIX, SOCK_STREAM, 0, backend_sock); + g_assert_cmpint(ret, !=, -1); + + ret = mkstemp(sock_path0); + g_assert_cmpint(ret, !=, -1); + ret = mkstemp(sock_path1); + g_assert_cmpint(ret, !=, -1); + + cmdline = g_strdup_printf("-netdev socket,id=qtest-bn0,fd=%d " + "-device rtl8139,netdev=qtest-bn0,id=qtest-e0 " + "-chardev socket,id=redirector0,path=%s,server,nowait " + "-chardev socket,id=redirector1,path=%s,server,nowait " + "-chardev socket,id=redirector2,path=%s,nowait " + "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," + "queue=rx,indev=redirector0 " + "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," + "queue=rx,outdev=redirector2 " + "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0," + "queue=rx,indev=redirector1 " + , backend_sock[1], sock_path0, sock_path1, sock_path0); + qtest_start(cmdline); + g_free(cmdline); + + struct iovec iov[] = { + { + .iov_base = &size, + .iov_len = sizeof(size), + }, { + .iov_base = send_buf, + .iov_len = sizeof(send_buf), + }, + }; + + send_sock = unix_connect(sock_path1, NULL); + g_assert_cmpint(send_sock, !=, -1); + /* send a qmp command to guarantee that 'connected' is setting to true. */ + qmp("{ 'execute' : 'query-status'}"); + + ret = iov_send(send_sock, iov, 2, 0, sizeof(size) + sizeof(send_buf)); + g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size)); + close(send_sock); + + ret = qemu_recv(backend_sock[0], &len, sizeof(len), 0); + g_assert_cmpint(ret, ==, sizeof(len)); + len = ntohl(len); + + g_assert_cmpint(len, ==, sizeof(send_buf)); + recv_buf = g_malloc(len); + ret = qemu_recv(backend_sock[0], recv_buf, len, 0); + g_assert_cmpstr(recv_buf, ==, send_buf); + + g_free(recv_buf); + unlink(sock_path0); + unlink(sock_path1); + qtest_end(); + +#endif +} + +int main(int argc, char **argv) +{ + int ret; + + g_test_init(&argc, &argv, NULL); + qtest_add_func("/netfilter/redirector_tx", test_redirector_tx); + qtest_add_func("/netfilter/redirector_rx", test_redirector_rx); + ret = g_test_run(); + + return ret; +}