tests/test-filter-mirror.c

   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;
  25     uint32_t ret = 0, len = 0;
  26     char send_buf[] = "Hello! filter-mirror~";
  27     char sock_path[] = "filter-mirror.XXXXXX";
  28     char *recv_buf;
  29     uint32_t size = sizeof(send_buf);
  30     size = htonl(size);
  31     const char *devstr = "e1000";
  32     QTestState *qts;
  33
  34     if (g_str_equal(qtest_get_arch(), "s390x")) {
  35         devstr = "virtio-net-ccw";
  36     }
  37
  38     ret = socketpair(PF_UNIX, SOCK_STREAM, 0, send_sock);
  39     g_assert_cmpint(ret, !=, -1);
  40
  41     ret = mkstemp(sock_path);
  42     g_assert_cmpint(ret, !=, -1);
  43
  44     qts = qtest_initf(
  45         "-netdev socket,id=qtest-bn0,fd=%d "
  46         "-device %s,netdev=qtest-bn0,id=qtest-e0 "
  47         "-chardev socket,id=mirror0,path=%s,server,nowait "
  48         "-object filter-mirror,id=qtest-f0,netdev=qtest-bn0,queue=tx,outdev=mirror0 "
  49         , send_sock[1], devstr, sock_path);
  50
  51     recv_sock = unix_connect(sock_path, NULL);
  52     g_assert_cmpint(recv_sock, !=, -1);
  53
  54     struct iovec iov[] = {
  55         {
  56             .iov_base = &size,
  57             .iov_len = sizeof(size),
  58         }, {
  59             .iov_base = send_buf,
  60             .iov_len = sizeof(send_buf),
  61         },
  62     };
  63
  64     /* send a qmp command to guarantee that 'connected' is setting to true. */
  65     qmp_discard_response(qts, "{ 'execute' : 'query-status'}");
  66     ret = iov_send(send_sock[0], iov, 2, 0, sizeof(size) + sizeof(send_buf));
  67     g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size));
  68     close(send_sock[0]);
  69
  70     ret = qemu_recv(recv_sock, &len, sizeof(len), 0);
  71     g_assert_cmpint(ret, ==, sizeof(len));
  72     len = ntohl(len);
  73
  74     g_assert_cmpint(len, ==, sizeof(send_buf));
  75     recv_buf = g_malloc(len);
  76     ret = qemu_recv(recv_sock, recv_buf, len, 0);
  77     g_assert_cmpstr(recv_buf, ==, send_buf);
  78
  79     g_free(recv_buf);
  80     close(recv_sock);
  81     unlink(sock_path);
  82     qtest_quit(qts);
  83 }
  84
  85 int main(int argc, char **argv)
  86 {
  87     int ret;
  88
  89     g_test_init(&argc, &argv, NULL);
  90
  91     qtest_add_func("/netfilter/mirror", test_mirror);
  92     ret = g_test_run();
  93
  94     return ret;
  95 }