From patchwork Fri Mar 25 07:42:07 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 8668831 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C728FC0553 for ; Fri, 25 Mar 2016 07:44:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BA6F120379 for ; Fri, 25 Mar 2016 07:44:42 +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 4639C20373 for ; Fri, 25 Mar 2016 07:44:40 +0000 (UTC) Received: from localhost ([::1]:54483 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ajMQB-0008I2-IN for patchwork-qemu-devel@patchwork.kernel.org; Fri, 25 Mar 2016 03:44:39 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34449) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ajMP4-0007y6-U7 for qemu-devel@nongnu.org; Fri, 25 Mar 2016 03:44:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ajMO3-0005Fo-8J for qemu-devel@nongnu.org; Fri, 25 Mar 2016 03:43:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41400) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ajMO2-0005Fj-S9 for qemu-devel@nongnu.org; Fri, 25 Mar 2016 03:42:27 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 71FE77AE83; Fri, 25 Mar 2016 07:42:26 +0000 (UTC) Received: from jason-ThinkPad-T430s.redhat.com (vpn1-7-152.pek2.redhat.com [10.72.7.152]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u2P7gCkM012304; Fri, 25 Mar 2016 03:42:24 -0400 From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Fri, 25 Mar 2016 15:42:07 +0800 Message-Id: <1458891729-28131-6-git-send-email-jasowang@redhat.com> In-Reply-To: <1458891729-28131-1-git-send-email-jasowang@redhat.com> References: <1458891729-28131-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Jason Wang , Li Zhijian , Zhang Chen Subject: [Qemu-devel] [PULL 5/7] 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 From: Zhang Chen 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 Signed-off-by: Jason Wang --- 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 7bb4c73..b7bf13e 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -69,5 +69,6 @@ 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 52c7362..4b7b62c 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -219,6 +219,7 @@ 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)) @@ -578,6 +579,7 @@ 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; +}