Message ID | 1456748635-1912-4-git-send-email-zhangchen.fnst@cn.fujitsu.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 02/29/2016 08:23 PM, Zhang Chen wrote: > In this unit test,we will test the filter redirector function. > > Start qemu with: > > "-netdev tap,id=qtest-bn0 " Please don't use tap since it needs - CAP_NET_ADMIN - if-up script Neither of above could not be true for a qtest environment. > "-device rtl8139,netdev=qtest-bn0,id=qtest-e0 " > "-chardev socket,id=redirector0,path=%s,server,nowait " > "-chardev socket,id=redirector1,path=%s,server,nowait " > "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," > "queue=tx,indev=redirector1 " > "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," > "queue=tx,outdev=redirector0 " > > We inject packet to -chardev redirector1,then filter-redirector > will pass it to filter, another filter-redirector get it and > redirect it to redirector0,we read packet from redirector0 > and compare to what we inject. Looks correct but I think queue='rx' should also be tested here. How about: - using backend - redirect tx traffic to a chardev, then inject packet from socket and read it from chardev - redirect from another chardev to rx traffic, then inject packet from chardev and read if from socket?
On 03/02/2016 02:47 PM, Jason Wang wrote: > > > On 02/29/2016 08:23 PM, Zhang Chen wrote: >> In this unit test,we will test the filter redirector function. >> >> Start qemu with: >> >> "-netdev tap,id=qtest-bn0 " > > Please don't use tap since it needs > > - CAP_NET_ADMIN > - if-up script > > Neither of above could not be true for a qtest environment. > >> "-device rtl8139,netdev=qtest-bn0,id=qtest-e0 " >> "-chardev socket,id=redirector0,path=%s,server,nowait " >> "-chardev socket,id=redirector1,path=%s,server,nowait " >> "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," >> "queue=tx,indev=redirector1 " >> "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," >> "queue=tx,outdev=redirector0 " >> >> We inject packet to -chardev redirector1,then filter-redirector >> will pass it to filter, another filter-redirector get it and >> redirect it to redirector0,we read packet from redirector0 >> and compare to what we inject. > > Looks correct but I think queue='rx' should also be tested here. How about: > > - using backend > - redirect tx traffic to a chardev, then inject packet from socket and > read it from chardev > - redirect from another chardev to rx traffic, then inject packet from > chardev and read if from socket? > hi, Jason IIUC, a full UT for redirector should include following cases. How about they: rd[n]: redirctor n 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 | +---------+ | +-------+ + Thanks Li Zhijian
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 e56c514..275c4cc 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -213,6 +213,7 @@ 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)) @@ -565,6 +566,7 @@ 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..156f41b --- /dev/null +++ b/tests/test-filter-redirector.c @@ -0,0 +1,97 @@ +/* + * QTest testcase for filter-redirector + * + * Copyright (c) 2016 FUJITSU LIMITED + * Author: Zhang Chen <zhangchen.fnst@cn.fujitsu.com> + * + * 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 <glib.h> +#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(void) +{ +#ifndef _WIN32 +/* socketpair(PF_UNIX) which does not exist on windows */ + + int send_sock, recv_sock; + char *cmdline; + uint32_t ret = 0, len = 0; + char send_buf[] = "Hello! filter-redirector~"; + 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 = mkstemp(sock_path0); + g_assert_cmpint(ret, !=, -1); + ret = mkstemp(sock_path1); + g_assert_cmpint(ret, !=, -1); + + cmdline = g_strdup_printf("-netdev tap,id=qtest-bn0 " + "-device rtl8139,netdev=qtest-bn0,id=qtest-e0 " + "-chardev socket,id=redirector0,path=%s,server,nowait " + "-chardev socket,id=redirector1,path=%s,server,nowait " + "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," + "queue=tx,indev=redirector1 " + "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," + "queue=tx,outdev=redirector0 " + , sock_path0, sock_path1); + qtest_start(cmdline); + g_free(cmdline); + + recv_sock = unix_connect(sock_path0, NULL); + g_assert_cmpint(recv_sock, !=, -1); + + 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); + + 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(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); + +#endif +} + +int main(int argc, char **argv) +{ + int ret; + + g_test_init(&argc, &argv, NULL); + qtest_add_func("/netfilter/redirector", test_redirector); + ret = g_test_run(); + qtest_end(); + + return ret; +}