mirror of
https://github.com/checkpoint-restore/criu.git
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2e13f1f029
Move static and transition into zdtm top. We can't move all the micro tests themselves, as we need to distinguish static from non static (zdtm.py makes additional checks on static ones). Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
113 lines
2.4 KiB
C
113 lines
2.4 KiB
C
#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <linux/limits.h>
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#include <signal.h>
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#include <arpa/inet.h>
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#include <net/if.h>
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#include "zdtmtst.h"
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const char *test_doc = "check that empty bridges are c/r'd correctly";
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const char *test_author = "Tycho Andersen <tycho.andersen@canonical.com>";
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#define BRIDGE_NAME "zdtmbr0"
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int add_bridge(void)
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{
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if (system("ip link add " BRIDGE_NAME " type bridge"))
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return -1;
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if (system("ip addr add 10.0.55.55/32 dev " BRIDGE_NAME))
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return -1;
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/* use a link local address so we can test scope_id change */
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if (system("ip addr add fe80:4567::1/64 nodad dev " BRIDGE_NAME))
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return -1;
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if (system("ip link set " BRIDGE_NAME " up"))
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return -1;
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return 0;
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}
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int del_bridge(void)
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{
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/* don't check for errors, let's try to make sure it's deleted */
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system("ip link set " BRIDGE_NAME " down");
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if (system("ip link del " BRIDGE_NAME))
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return -1;
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return 0;
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}
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int main(int argc, char **argv)
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{
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int ret = 1;
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struct sockaddr_in6 addr;
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int sk;
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test_init(argc, argv);
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if (add_bridge() < 0)
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return 1;
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sk = socket(AF_INET6, SOCK_DGRAM, 0);
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if (sk < 0) {
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fail("can't get socket");
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goto out;
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}
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memset(&addr, 0, sizeof(addr));
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addr.sin6_port = htons(0);
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addr.sin6_family = AF_INET6;
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if (inet_pton(AF_INET6, "fe80:4567::1", &addr.sin6_addr) < 0) {
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fail("can't convert inet6 addr");
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goto out;
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}
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addr.sin6_scope_id = if_nametoindex(BRIDGE_NAME);
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if (bind(sk, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
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fail("can't bind");
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goto out;
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}
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/* Here, we grep for inet because some of the IPV6 DAD stuff can be
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* racy, and all we really care about is that the bridge got restored
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* with the right MAC, since we know DAD will succeed eventually.
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*
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* (I got this race with zdtm.py, but not with zdtm.sh; not quite sure
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* what the environment difference is/was.)
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*/
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if (system("ip addr list dev " BRIDGE_NAME " | grep inet | sort > bridge.dump.test")) {
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pr_perror("can't save net config");
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fail("Can't save net config");
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goto out;
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}
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test_daemon();
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test_waitsig();
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if (system("ip addr list dev " BRIDGE_NAME " | grep inet | sort > bridge.rst.test")) {
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fail("Can't get net config");
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goto out;
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}
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if (system("diff bridge.rst.test bridge.dump.test")) {
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fail("Net config differs after restore");
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goto out;
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}
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pass();
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ret = 0;
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out:
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del_bridge();
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return ret;
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}
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