tests/qtest/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 "libqos/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     int ret;
  80
  81     g_test_init(&argc, &argv, NULL);
  82
  83     qtest_add_func("/netfilter/mirror", test_mirror);
  84     ret = g_test_run();
  85
  86     return ret;
  87 }