LXR qemu/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/* TODO actually test the results and get rid of this */
  20#define qmp_discard_response(qs, ...) qobject_unref(qtest_qmp(qs, __VA_ARGS__))
  21
  22static 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
  77int main(int argc, char **argv)
  78{
  79    g_test_init(&argc, &argv, NULL);
  80
  81    qtest_add_func("/netfilter/mirror", test_mirror);
  82    return g_test_run();
  83}
  84