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