xref: /qemu/tests/qtest/test-filter-mirror.c (revision c3bef3b4)
1 /*
2  * QTest testcase for filter-mirror
3  *
4  * Copyright (c) 2016 FUJITSU LIMITED
5  * Author: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
6  *
7  * This work is licensed under the terms of the GNU GPL, version 2 or
8  * later.  See the COPYING file in the top-level directory.
9  */
10 
11 #include "qemu/osdep.h"
12 #include "libqtest.h"
13 #include "qapi/qmp/qdict.h"
14 #include "qemu/iov.h"
15 #include "qemu/sockets.h"
16 #include "qemu/error-report.h"
17 #include "qemu/main-loop.h"
18 
19 /* TODO actually test the results and get rid of this */
20 #define qmp_discard_response(qs, ...) qobject_unref(qtest_qmp(qs, __VA_ARGS__))
21 
22 static void test_mirror(void)
23 {
24     int send_sock[2], recv_sock[2];
25     uint32_t ret = 0, len = 0;
26     char send_buf[] = "Hello! filter-mirror~";
27     char *recv_buf;
28     uint32_t size = sizeof(send_buf);
29     size = htonl(size);
30     QTestState *qts;
31 
32     ret = socketpair(PF_UNIX, SOCK_STREAM, 0, send_sock);
33     g_assert_cmpint(ret, !=, -1);
34 
35     ret = socketpair(PF_UNIX, SOCK_STREAM, 0, recv_sock);
36     g_assert_cmpint(ret, !=, -1);
37 
38     qts = qtest_initf(
39         "-nic socket,id=qtest-bn0,fd=%d "
40         "-chardev socket,id=mirror0,fd=%d "
41         "-object filter-mirror,id=qtest-f0,netdev=qtest-bn0,queue=tx,outdev=mirror0 "
42         , send_sock[1], recv_sock[1]);
43 
44     struct iovec iov[] = {
45         {
46             .iov_base = &size,
47             .iov_len = sizeof(size),
48         }, {
49             .iov_base = send_buf,
50             .iov_len = sizeof(send_buf),
51         },
52     };
53 
54     /* send a qmp command to guarantee that 'connected' is setting to true. */
55     qmp_discard_response(qts, "{ 'execute' : 'query-status'}");
56     ret = iov_send(send_sock[0], iov, 2, 0, sizeof(size) + sizeof(send_buf));
57     g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size));
58     close(send_sock[0]);
59 
60     ret = recv(recv_sock[0], &len, sizeof(len), 0);
61     g_assert_cmpint(ret, ==, sizeof(len));
62     len = ntohl(len);
63 
64     g_assert_cmpint(len, ==, sizeof(send_buf));
65     recv_buf = g_malloc(len);
66     ret = recv(recv_sock[0], recv_buf, len, 0);
67     g_assert_cmpstr(recv_buf, ==, send_buf);
68 
69     g_free(recv_buf);
70     close(send_sock[0]);
71     close(send_sock[1]);
72     close(recv_sock[0]);
73     close(recv_sock[1]);
74     qtest_quit(qts);
75 }
76 
77 int main(int argc, char **argv)
78 {
79     g_test_init(&argc, &argv, NULL);
80 
81     qtest_add_func("/netfilter/mirror", test_mirror);
82     return g_test_run();
83 }
84