1#!/usr/bin/ksh
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#
30# Test ip:::{send,receive} of IPv4 UDP to a local address.
31#
32# This may fail due to:
33#
34# 1. A change to the ip stack breaking expected probe behavior,
35#    which is the reason we are testing.
36# 2. No physical network interface is plumbed and up.
37# 3. No other hosts on this subnet are reachable and listening on rpcbind.
38# 4. An unlikely race causes the unlocked global send/receive
39#    variables to be corrupted.
40#
41# This test sends a UDP message using ping and checks that at least the
42# following counts were traced:
43#
44# 1 x ip:::send (UDP sent to ping's base UDP port)
45# 1 x ip:::receive (UDP received)
46#
47
48if (( $# != 1 )); then
49	print -u2 "expected one argument: <dtrace-path>"
50	exit 2
51fi
52
53dtrace=$1
54local=127.0.0.1
55
56$dtrace -c "/usr/sbin/ping -U $local" -qs /dev/stdin <<EOF | grep -v 'is alive'
57BEGIN
58{
59	send = receive = 0;
60}
61
62ip:::send
63/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
64    args[4]->ipv4_protocol == IPPROTO_UDP/
65{
66	send++;
67}
68
69ip:::receive
70/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" &&
71    args[4]->ipv4_protocol == IPPROTO_UDP/
72{
73	receive++;
74}
75
76END
77{
78	printf("Minimum UDP events seen\n\n");
79	printf("ip:::send - %s\n", send >= 1 ? "yes" : "no");
80	printf("ip:::receive - %s\n", receive >= 1 ? "yes" : "no");
81}
82EOF
83