Rewrite tests for CARP in a shell script instead of C
The new shell script enables us to modify/add tests easily.
This commit is contained in:
ozaki-r
parent
28f4c24cc2
commit
cc5766bfdd
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@ -1,4 +1,4 @@
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# $NetBSD: mi,v 1.191 2017/01/07 20:40:08 christos Exp $
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# $NetBSD: mi,v 1.192 2017/01/16 08:18:11 ozaki-r Exp $
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./etc/mtree/set.debug comp-sys-root
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./usr/lib comp-sys-usr compatdir
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./usr/lib/i18n/libBIG5_g.a comp-c-debuglib debuglib,compatfile
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@ -2237,7 +2237,7 @@
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./usr/libdata/debug/usr/tests/net/bpfjit/t_cop.debug tests-net-debug debug,atf,sljit,rump
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./usr/libdata/debug/usr/tests/net/bpfjit/t_extmem.debug tests-net-debug debug,atf,sljit,rump
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./usr/libdata/debug/usr/tests/net/bpfjit/t_mbuf.debug tests-net-debug debug,atf,sljit,rump
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./usr/libdata/debug/usr/tests/net/carp/t_basic.debug tests-net-debug debug,atf,rump
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./usr/libdata/debug/usr/tests/net/carp/t_basic.debug tests-net-debug debug,atf,rump,obsolete
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./usr/libdata/debug/usr/tests/net/fdpass/fdpass32.debug tests-net-debug debug,atf,compattestfile
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./usr/libdata/debug/usr/tests/net/fdpass/fdpass64.debug tests-net-debug debug,atf,compattestfile
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./usr/libdata/debug/usr/tests/net/icmp/t_forward.debug tests-net-debug debug,atf,rump
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@ -1,13 +1,13 @@
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# $NetBSD: Makefile,v 1.5 2016/08/08 14:40:19 pgoyette Exp $
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# $NetBSD: Makefile,v 1.6 2017/01/16 08:18:11 ozaki-r Exp $
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#
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.include <bsd.own.mk>
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TESTSDIR= ${TESTSBASE}/net/carp
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TESTS_C= t_basic
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LDADD+= -lrumpnet_shmif -lrumpnet_netinet -lrumpnet_net -lrumpdev
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LDADD+= -lrumpnet -lrump -lrumpuser -lrumpvfs -lpthread
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.for name in basic
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TESTS_SH+= t_${name}
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TESTS_SH_SRC_t_${name}= ../net_common.sh t_${name}.sh
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.endfor
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.include <bsd.test.mk>
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@ -1,221 +0,0 @@
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/* $NetBSD: t_basic.c,v 1.6 2017/01/13 21:30:42 christos Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: t_basic.c,v 1.6 2017/01/13 21:30:42 christos Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip_carp.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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#include <atf-c.h>
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#include <errno.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 <unistd.h>
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#include <signal.h>
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#include "../config/netconfig.c"
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#include "h_macros.h"
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static bool oknow = false;
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static void
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sighnd(int sig)
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{
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ATF_REQUIRE_EQ(sig, SIGCHLD);
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if (oknow)
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return;
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atf_tc_fail("child died unexpectedly");
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}
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ATF_TC(handover);
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ATF_TC_HEAD(handover, tc)
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{
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atf_tc_set_md_var(tc, "descr", "check that carp handover works if "
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"the master dies");
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}
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#define THEBUS "buuuuuuus,etherbus"
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static void
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child(bool master)
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{
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char ifname[IFNAMSIZ];
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struct carpreq cr;
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struct ifreq ifr;
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const char *carpif;
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int s;
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/* helps reading carp debug output */
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if (master)
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carpif = "carp0";
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else
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carpif = "carp1";
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/*
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* Should use sysctl, bug debug is dabug.
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*/
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{
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//extern int rumpns_carp_opts[]; /* XXX */
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//rumpns_carp_opts[CARPCTL_LOG] = 1;
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}
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rump_init();
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memset(&ifr, 0, sizeof(ifr));
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strlcpy(ifr.ifr_name, carpif, sizeof(ifr.ifr_name));
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RL(s = rump_sys_socket(PF_INET, SOCK_DGRAM, 0));
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RL(rump_sys_ioctl(s, SIOCIFCREATE, &ifr));
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netcfg_rump_makeshmif(THEBUS, ifname);
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if (master)
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netcfg_rump_if(ifname, "10.1.1.1", "255.255.255.0");
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else
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netcfg_rump_if(ifname, "10.1.1.2", "255.255.255.0");
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/* configure the carp interface */
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ifr.ifr_data = &cr;
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RL(rump_sys_ioctl(s, SIOCGVH, &ifr));
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strlcpy(cr.carpr_carpdev, ifname, sizeof(cr.carpr_carpdev));
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cr.carpr_vhid = 175;
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if (master)
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cr.carpr_advskew = 0;
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else
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cr.carpr_advskew = 200;
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cr.carpr_advbase = 1;
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strcpy((char *)cr.carpr_key, "s3cret");
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RL(rump_sys_ioctl(s, SIOCSVH, &ifr));
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netcfg_rump_if(carpif, "10.1.1.100", "255.255.255.0");
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/* tassa pause()en enka muuta voi */
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pause();
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}
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ATF_TC_BODY(handover, tc)
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{
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char ifname[IFNAMSIZ];
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pid_t mpid, cpid;
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int i, status;
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signal(SIGCHLD, sighnd);
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/* fork master */
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switch (mpid = fork()) {
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case -1:
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atf_tc_fail_errno("fork failed");
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/*NOTREACHED*/
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case 0:
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child(true);
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/*NOTREACHED*/
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default:
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break;
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}
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usleep(500000);
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/* fork backup */
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switch (cpid = fork()) {
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case -1:
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kill(mpid, SIGKILL);
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atf_tc_fail_errno("fork failed");
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/*NOTREACHED*/
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case 0:
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child(false);
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/*NOTREACHED*/
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default:
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break;
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}
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usleep(500000);
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rump_init();
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netcfg_rump_makeshmif(THEBUS, ifname);
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netcfg_rump_if(ifname, "10.1.1.240", "255.255.255.0");
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/* check that the primary addresses are up */
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ATF_REQUIRE_EQ(netcfg_rump_pingtest("10.1.1.1", 1000), true);
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ATF_REQUIRE_EQ(netcfg_rump_pingtest("10.1.1.2", 1000), true);
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/* give carp a while to croak */
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sleep(4);
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/* check that the shared IP works */
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ATF_REQUIRE_EQ(netcfg_rump_pingtest("10.1.1.100", 500), true);
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/* KILLING SPREE */
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oknow = true;
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kill(mpid, SIGKILL);
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wait(&status);
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usleep(10000); /* just in case */
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oknow = false;
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/* check that primary is now dead */
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ATF_REQUIRE_EQ(netcfg_rump_pingtest("10.1.1.1", 100), false);
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/* do it in installments. carp will cluck meanwhile */
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for (i = 0; i < 5; i++) {
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if (netcfg_rump_pingtest("10.1.1.100", 1000) == true)
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break;
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}
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if (i == 5)
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atf_tc_fail("failed to failover");
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/* to kill the child */
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oknow = true;
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kill(cpid, SIGKILL);
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/* clean & done */
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, handover);
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return atf_no_error();
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}
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@ -0,0 +1,165 @@
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# $NetBSD: t_basic.sh,v 1.1 2017/01/16 08:18:11 ozaki-r Exp $
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#
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# Copyright (c) 2017 Internet Initiative Japan Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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SOCK_CLIENT=unix://carp_client
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SOCK_MASTER=unix://carp_master
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SOCK_BACKUP=unix://carp_backup
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BUS=bus_carp
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IP_CLIENT=10.1.1.240
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IP_MASTER=10.1.1.1
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IP_BACKUP=10.1.1.2
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IP_CARP=10.1.1.100
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TIMEOUT=3
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atf_test_case carp_handover cleanup
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carp_handover_head()
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{
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atf_set "descr" "Tests for CARP handover"
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atf_set "require.progs" "rump_server"
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}
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setup_carp()
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{
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local sock=$1
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local master=$2
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local carpif= ip= advskew=
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if $master; then
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carpif=carp0
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ip=$IP_MASTER
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advskew=0
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else
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carpif=carp1
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ip=$IP_BACKUP
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advskew=200
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fi
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export RUMP_SERVER=$sock
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atf_check -s exit:0 rump.ifconfig $carpif create
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atf_check -s exit:0 rump.ifconfig shmif0 $ip/24 up
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atf_check -s exit:0 rump.ifconfig $carpif \
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vhid 175 advskew $advskew advbase 1 pass s3cret \
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$IP_CARP netmask 255.255.255.0
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atf_check -s exit:0 rump.ifconfig -w 10
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}
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wait_handover()
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{
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local i=0
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export RUMP_SERVER=$SOCK_CLIENT
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while [ $i -ne 5 ]; do
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$DEBUG && echo "Trying ping $IP_CARP"
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rump.ping -n -w 1 -c 1 $IP_CARP >/dev/null
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if [ $? = 0 ]; then
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$DEBUG && echo "Passed ping $IP_CARP"
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break;
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fi
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$DEBUG && echo "Failed ping $IP_CARP"
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i=$((i + 1))
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done
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if [ $i -eq 5 ]; then
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atf_fail "Failed to failover (5 sec)"
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fi
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}
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carp_handover_body()
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{
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rump_server_start $SOCK_CLIENT
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rump_server_start $SOCK_MASTER
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rump_server_start $SOCK_BACKUP
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rump_server_add_iface $SOCK_CLIENT shmif0 $BUS
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rump_server_add_iface $SOCK_MASTER shmif0 $BUS
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rump_server_add_iface $SOCK_BACKUP shmif0 $BUS
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setup_carp $SOCK_MASTER true
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setup_carp $SOCK_BACKUP false
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export RUMP_SERVER=$SOCK_CLIENT
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atf_check -s exit:0 rump.ifconfig shmif0 $IP_CLIENT/24 up
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atf_check -s exit:0 rump.ifconfig -w 10
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# Check that the primary addresses are up
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atf_check -s exit:0 -o ignore \
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rump.ping -n -w $TIMEOUT -c 1 $IP_MASTER
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atf_check -s exit:0 -o ignore \
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rump.ping -n -w $TIMEOUT -c 1 $IP_BACKUP
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# Give carp a while to croak
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sleep 4
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# Check state
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export RUMP_SERVER=$SOCK_MASTER
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$DEBUG && rump.ifconfig
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atf_check -s exit:0 -o match:'carp: MASTER carpdev shmif0' \
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rump.ifconfig carp0
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export RUMP_SERVER=$SOCK_BACKUP
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$DEBUG && rump.ifconfig
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atf_check -s exit:0 -o match:'carp: BACKUP carpdev shmif0' \
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rump.ifconfig carp1
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export RUMP_SERVER=$SOCK_CLIENT
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# Check that the shared IP works
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atf_check -s exit:0 -o ignore \
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rump.ping -n -w $TIMEOUT -c 1 $IP_CARP
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# KILLING SPREE
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env RUMP_SERVER=$SOCK_MASTER rump.halt
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sleep 1
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# Check that primary is now dead
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atf_check -s not-exit:0 -o ignore \
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rump.ping -n -w $TIMEOUT -c 1 $IP_MASTER
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# Do it in installments. carp will cluck meanwhile
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wait_handover
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# Check state
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export RUMP_SERVER=$SOCK_BACKUP
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$DEBUG && rump.ifconfig
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atf_check -s exit:0 -o match:'carp: MASTER carpdev shmif0' \
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rump.ifconfig carp1
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}
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carp_handover_cleanup()
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{
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$DEBUG && dump
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cleanup
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}
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atf_init_test_cases()
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{
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atf_add_test_case carp_handover
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}
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