tests/test-announce-self.c

   1 /*
   2  * QTest testcase for qemu_announce_self
   3  *
   4  * Copyright (c) 2017 Red hat, Inc.
   5  * Copyright (c) 2014 SUSE LINUX Products GmbH
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   8  * 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-common.h"
  15 #include "qemu/sockets.h"
  16 #include "qemu/iov.h"
  17 #include "libqos/libqos-pc.h"
  18 #include "libqos/libqos-spapr.h"
  19
  20 #ifndef ETH_P_RARP
  21 #define ETH_P_RARP 0x8035
  22 #endif
  23
  24 static QTestState *test_init(int socket)
  25 {
  26     char *args;
  27
  28     args = g_strdup_printf("-netdev socket,fd=%d,id=hs0 -device "
  29                            "virtio-net-pci,netdev=hs0", socket);
  30
  31     return qtest_start(args);
  32 }
  33
  34
  35 static void test_announce(int socket)
  36 {
  37     char buffer[60];
  38     int len;
  39     QDict *rsp;
  40     int ret;
  41     uint16_t *proto = (uint16_t *)&buffer[12];
  42
  43     rsp = qmp("{ 'execute' : 'announce-self', "
  44                   " 'arguments': {"
  45                       " 'initial': 50, 'max': 550,"
  46                       " 'rounds': 10, 'step': 50 } }");
  47     assert(!qdict_haskey(rsp, "error"));
  48     qobject_unref(rsp);
  49
  50     /* Catch the packet and make sure it's a RARP */
  51     ret = qemu_recv(socket, &len, sizeof(len), 0);
  52     g_assert_cmpint(ret, ==,  sizeof(len));
  53     len = ntohl(len);
  54
  55     ret = qemu_recv(socket, buffer, len, 0);
  56     g_assert_cmpint(*proto, ==, htons(ETH_P_RARP));
  57 }
  58
  59 static void setup(gconstpointer data)
  60 {
  61     QTestState *qs;
  62     void (*func) (int socket) = data;
  63     int sv[2], ret;
  64
  65     ret = socketpair(PF_UNIX, SOCK_STREAM, 0, sv);
  66     g_assert_cmpint(ret, !=, -1);
  67
  68     qs = test_init(sv[1]);
  69     func(sv[0]);
  70
  71     /* End test */
  72     close(sv[0]);
  73     qtest_quit(qs);
  74 }
  75
  76 int main(int argc, char **argv)
  77 {
  78     g_test_init(&argc, &argv, NULL);
  79     qtest_add_data_func("/virtio/net/test_announce_self", test_announce, setup);
  80
  81     return g_test_run();
  82 }