LXR qemu/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
  22static 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
  83int 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}
  95