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 "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 static void test_mirror(void)
  20 {
  21     int send_sock[2], recv_sock[2];
  22     uint32_t ret = 0, len = 0;
  23     char send_buf[] = "Hello! filter-mirror~";
  24     char *recv_buf;
  25     uint32_t size = sizeof(send_buf);
  26     size = htonl(size);
  27     QTestState *qts;
  28
  29     ret = socketpair(PF_UNIX, SOCK_STREAM, 0, send_sock);
  30     g_assert_cmpint(ret, !=, -1);
  31
  32     ret = socketpair(PF_UNIX, SOCK_STREAM, 0, recv_sock);
  33     g_assert_cmpint(ret, !=, -1);
  34
  35     qts = qtest_initf(
  36         "-nic socket,id=qtest-bn0,fd=%d "
  37         "-chardev socket,id=mirror0,fd=%d "
  38         "-object filter-mirror,id=qtest-f0,netdev=qtest-bn0,queue=tx,outdev=mirror0 "
  39         , send_sock[1], recv_sock[1]);
  40
  41     struct iovec iov[] = {
  42         {
  43             .iov_base = &size,
  44             .iov_len = sizeof(size),
  45         }, {
  46             .iov_base = send_buf,
  47             .iov_len = sizeof(send_buf),
  48         },
  49     };
  50
  51     /* send a qmp command to guarantee that 'connected' is setting to true. */
  52     qtest_qmp_assert_success(qts, "{ 'execute' : 'query-status'}");
  53     ret = iov_send(send_sock[0], iov, 2, 0, sizeof(size) + sizeof(send_buf));
  54     g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size));
  55     close(send_sock[0]);
  56
  57     ret = recv(recv_sock[0], &len, sizeof(len), 0);
  58     g_assert_cmpint(ret, ==, sizeof(len));
  59     len = ntohl(len);
  60
  61     g_assert_cmpint(len, ==, sizeof(send_buf));
  62     recv_buf = g_malloc(len);
  63     ret = recv(recv_sock[0], recv_buf, len, 0);
  64     g_assert_cmpstr(recv_buf, ==, send_buf);
  65
  66     g_free(recv_buf);
  67     close(send_sock[0]);
  68     close(send_sock[1]);
  69     close(recv_sock[0]);
  70     close(recv_sock[1]);
  71     qtest_quit(qts);
  72 }
  73
  74 int main(int argc, char **argv)
  75 {
  76     g_test_init(&argc, &argv, NULL);
  77
  78     qtest_add_func("/netfilter/mirror", test_mirror);
  79     return g_test_run();
  80 }