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 <glib.h>
  13 #include "libqtest.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 #ifndef _WIN32
  22 /* socketpair(PF_UNIX) which does not exist on windows */
  23
  24     int send_sock[2], recv_sock;
  25     char *cmdline;
  26     uint32_t ret = 0, len = 0;
  27     char send_buf[] = "Hello! filter-mirror~";
  28     char sock_path[] = "filter-mirror.XXXXXX";
  29     char *recv_buf;
  30     uint32_t size = sizeof(send_buf);
  31     size = htonl(size);
  32
  33     ret = socketpair(PF_UNIX, SOCK_STREAM, 0, send_sock);
  34     g_assert_cmpint(ret, !=, -1);
  35
  36     ret = mkstemp(sock_path);
  37     g_assert_cmpint(ret, !=, -1);
  38
  39     cmdline = g_strdup_printf("-netdev socket,id=qtest-bn0,fd=%d "
  40                  "-device e1000,netdev=qtest-bn0,id=qtest-e0 "
  41                  "-chardev socket,id=mirror0,path=%s,server,nowait "
  42                  "-object filter-mirror,id=qtest-f0,netdev=qtest-bn0,queue=tx,outdev=mirror0 "
  43                  , send_sock[1], sock_path);
  44     qtest_start(cmdline);
  45     g_free(cmdline);
  46
  47     recv_sock = unix_connect(sock_path, NULL);
  48     g_assert_cmpint(recv_sock, !=, -1);
  49
  50     struct iovec iov[] = {
  51         {
  52             .iov_base = &size,
  53             .iov_len = sizeof(size),
  54         }, {
  55             .iov_base = send_buf,
  56             .iov_len = sizeof(send_buf),
  57         },
  58     };
  59
  60     /* send a qmp command to guarantee that 'connected' is setting to true. */
  61     qmp("{ 'execute' : 'query-status'}");
  62     ret = iov_send(send_sock[0], iov, 2, 0, sizeof(size) + sizeof(send_buf));
  63     g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size));
  64     close(send_sock[0]);
  65
  66     ret = qemu_recv(recv_sock, &len, sizeof(len), 0);
  67     g_assert_cmpint(ret, ==, sizeof(len));
  68     len = ntohl(len);
  69
  70     g_assert_cmpint(len, ==, sizeof(send_buf));
  71     recv_buf = g_malloc(len);
  72     ret = qemu_recv(recv_sock, recv_buf, len, 0);
  73     g_assert_cmpstr(recv_buf, ==, send_buf);
  74
  75     g_free(recv_buf);
  76     close(recv_sock);
  77     unlink(sock_path);
  78
  79 #endif
  80 }
  81
  82 int main(int argc, char **argv)
  83 {
  84     int ret;
  85
  86     g_test_init(&argc, &argv, NULL);
  87
  88     qtest_add_func("/netfilter/mirror", test_mirror);
  89     ret = g_test_run();
  90     qtest_end();
  91
  92     return ret;
  93 }