Module Name:    src
Committed By:   ozaki-r
Date:           Tue Feb 28 09:23:23 UTC 2017

Modified Files:
        src/tests/net/mcast: mcast.c t_mcast.sh

Log Message:
Add tests that destroy an interface while the mcast program is running


To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/tests/net/mcast/mcast.c
cvs rdiff -u -r1.4 -r1.5 src/tests/net/mcast/t_mcast.sh

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/tests/net/mcast/mcast.c
diff -u src/tests/net/mcast/mcast.c:1.3 src/tests/net/mcast/mcast.c:1.4
--- src/tests/net/mcast/mcast.c:1.3	Thu May 28 10:19:17 2015
+++ src/tests/net/mcast/mcast.c	Tue Feb 28 09:23:23 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: mcast.c,v 1.3 2015/05/28 10:19:17 ozaki-r Exp $	*/
+/*	$NetBSD: mcast.c,v 1.4 2017/02/28 09:23:23 ozaki-r Exp $	*/
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 #include <sys/cdefs.h>
 #ifdef __RCSID
-__RCSID("$NetBSD: mcast.c,v 1.3 2015/05/28 10:19:17 ozaki-r Exp $");
+__RCSID("$NetBSD: mcast.c,v 1.4 2017/02/28 09:23:23 ozaki-r Exp $");
 #else
 extern const char *__progname;
 #define getprogname() __progname
@@ -73,6 +73,7 @@ extern const char *__progname;
 #endif
 
 static int debug;
+static int nsleep;
 
 #define TOTAL 10
 #define PORT_V4MAPPED "6666"
@@ -338,6 +339,8 @@ receiver(const int fd, const char *host,
 			    seq, msg.seq);
 	}
 
+	if (nsleep)
+		sleep(nsleep);
 	/* Tell I'm finished */
 	synchronize(fd, false);
 }
@@ -417,7 +420,7 @@ main(int argc, char *argv[])
 	n = TOTAL;
 	bug = conn = false;
 
-	while ((c = getopt(argc, argv, "46bcdmn:")) != -1)
+	while ((c = getopt(argc, argv, "46bcdmn:s:")) != -1)
 		switch (c) {
 		case '4':
 			host = HOST_V4;
@@ -443,8 +446,12 @@ main(int argc, char *argv[])
 		case 'n':
 			n = atoi(optarg);
 			break;
+		case 's':
+			nsleep = atoi(optarg);
+			break;
 		default:
-			fprintf(stderr, "Usage: %s [-cdm46] [-n <tot>]",
+			fprintf(stderr, "Usage: %s [-cdm46] [-n <tot>]"
+			    " [-s <sleep>]",
 			    getprogname());
 			return 1;
 		}

Index: src/tests/net/mcast/t_mcast.sh
diff -u src/tests/net/mcast/t_mcast.sh:1.4 src/tests/net/mcast/t_mcast.sh:1.5
--- src/tests/net/mcast/t_mcast.sh:1.4	Fri Nov 25 08:51:16 2016
+++ src/tests/net/mcast/t_mcast.sh	Tue Feb 28 09:23:23 2017
@@ -1,4 +1,4 @@
-#	$NetBSD: t_mcast.sh,v 1.4 2016/11/25 08:51:16 ozaki-r Exp $
+#	$NetBSD: t_mcast.sh,v 1.5 2017/02/28 09:23:23 ozaki-r Exp $
 #
 # Copyright (c) 2015 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -62,15 +62,61 @@ run_test()
 	unset LD_PRELOAD
 }
 
+run_test_destroyif()
+{
+	local name="$1"
+	local opts="$2"
+	local mcast="$(atf_get_srcdir)/mcast"
+	local sleep=3
+
+	rump_server_start $RUMP_SERVER netinet6
+	rump_server_add_iface $RUMP_SERVER shmif0 bus1
+	export RUMP_SERVER=$RUMP_SERVER
+	atf_check -s exit:0 rump.ifconfig shmif0 10.0.0.2/24
+	atf_check -s exit:0 rump.ifconfig shmif0 inet6 fc00::2/64
+	atf_check -s exit:0 rump.ifconfig shmif0 up
+
+	atf_check -s exit:0 rump.ifconfig -w 10
+	atf_check -s not-exit:0 -x "rump.ifconfig shmif0 |grep -q tentative"
+
+	# A route to the mcast address is required to join the mcast group
+	atf_check -s exit:0 -o ignore rump.route add default 10.0.0.1
+	atf_check -s exit:0 -o ignore rump.route add -inet6 default fc00::1
+
+	$DEBUG && rump.ifconfig
+	$DEBUG && rump.netstat -nr
+
+	export LD_PRELOAD=/usr/lib/librumphijack.so
+	#$DEBUG && /usr/sbin/ifmcstat  # Not yet run on rump kernel
+	if $DEBUG; then
+		$mcast -d ${opts} -s $sleep &
+	else
+		$mcast ${opts} -s $sleep &
+	fi
+	#$DEBUG && /usr/sbin/ifmcstat  # Not yet run on rump kernel
+	unset LD_PRELOAD
+
+	# Give a chance to setup mcast
+	sleep 1
+
+	# Try to destroy an interface that the mcast program is running on
+	atf_check -s exit:0 rump.ifconfig shmif0 destroy
+
+	wait
+	atf_check -s exit:0 -o ignore rump.ifconfig
+}
+
 add_test()
 {
 	local name=$1
 	local opts="$2"
 	local desc="$3"
+	local fulldesc=
 
+	fulldesc="Checks $desc"
 	atf_test_case "mcast_${name}" cleanup
 	eval "mcast_${name}_head() { \
-			atf_set \"descr\" \"${desc}\"; \
+			atf_set \"descr\" \"${fulldesc}\"; \
 			atf_set \"require.progs\" \"rump_server\"; \
 		}; \
 	    mcast_${name}_body() { \
@@ -82,25 +128,40 @@ add_test()
 			cleanup; \
 		}"
 	atf_add_test_case "mcast_${name}"
+
+	fulldesc="Destroying interface while testing ${desc}"
+	atf_test_case "mcast_destroyif_${name}" cleanup
+	eval "mcast_destroyif_${name}_head() { \
+			atf_set \"descr\" \"${fulldesc}\"; \
+			atf_set \"require.progs\" \"rump_server\"; \
+		}; \
+	    mcast_destroyif_${name}_body() { \
+			run_test_destroyif \"${name}\" \"${opts}\"; \
+		}; \
+	    mcast_destroyif_${name}_cleanup() { \
+			${DEBUG} && dump; \
+			cleanup; \
+		}"
+	atf_add_test_case "mcast_destroyif_${name}"
 }
 
 atf_init_test_cases()
 {
 
 	add_test conninet4            "-c -4" \
-	    "Checks connected multicast for ipv4"
+	    "connected multicast for ipv4"
 	add_test connmappedinet4      "-c -m -4" \
-	    "Checks connected multicast for mapped ipv4"
+	    "connected multicast for mapped ipv4"
 	add_test connmappedbuginet4   "-c -m -b -4" \
-	    "Checks connected multicast for mapped ipv4 using the v4 ioctls"
+	    "connected multicast for mapped ipv4 using the v4 ioctls"
 	add_test conninet6            "-c -6" \
-	    "Checks connected multicast for ipv6"
+	    "connected multicast for ipv6"
 	add_test unconninet4          "-4" \
-	    "Checks unconnected multicast for ipv4"
+	    "unconnected multicast for ipv4"
 	add_test unconnmappedinet4    "-m -4" \
-	    "Checks unconnected multicast for mapped ipv4"
+	    "unconnected multicast for mapped ipv4"
 	add_test unconnmappedbuginet4 "-m -b -4" \
-	    "Checks unconnected multicast for mapped ipv4 using the v4 ioctls"
+	    "unconnected multicast for mapped ipv4 using the v4 ioctls"
 	add_test unconninet6          "-6" \
-	    "Checks unconnected multicast for ipv6"
+	    "unconnected multicast for ipv6"
 }

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