1#!/usr/bin/env 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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 25# 26 27# 28# Test {ip,udplite}:::{send,receive} of IPv4 UDP-Lite to a local address. 29# 30# This may fail due to: 31# 32# 1. A change to the ip stack breaking expected probe behavior, 33# which is the reason we are testing. 34# 2. No physical network interface is plumbed and up. 35# 3. No other hosts on this subnet are reachable and listening on rpcbind. 36# 4. An unlikely race causes the unlocked global send/receive 37# variables to be corrupted. 38# 39# This test sends a UDP-Lite message using perl and checks that at least the 40# following counts were traced: 41# 42# 1 x ip:::send (UDPLite sent to UDP-Lite port 33434) 43# 1 x udplite:::send (UDPLite sent to UDP-Lite port 33434) 44# 1 x ip:::receive (UDP-Lite received) 45# 1 x udplite:::receive (UDP-Lite received) 46# 47# A udplite:::receive event is expected even if the received UDP-Lite packet 48# elicits an ICMP PORT_UNREACHABLE message since there is no UDP-Lite 49# socket for receiving the packet. 50# 51 52if (( $# != 1 )); then 53 print -u2 "expected one argument: <dtrace-path>" 54 exit 2 55fi 56 57dtrace=$1 58local=127.0.0.1 59port=33434 60DIR=/var/tmp/dtest.$$ 61 62mkdir $DIR 63cd $DIR 64 65cat > test.pl <<-EOPERL 66 use IO::Socket; 67 my \$s = IO::Socket::INET->new( 68 Type => SOCK_DGRAM, 69 Proto => "udplite", 70 PeerAddr => "$local", 71 PeerPort => $port); 72 die "Could not create UDP-Lite socket $local port $port" unless \$s; 73 send \$s, "Hello", 0; 74 close \$s; 75 sleep(2); 76EOPERL 77 78$dtrace -c 'perl test.pl' -qs /dev/stdin <<EODTRACE 79BEGIN 80{ 81 ipsend = udplitesend = ipreceive = udplitereceive = 0; 82} 83 84ip:::send 85/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" && 86 args[4]->ipv4_protocol == IPPROTO_UDPLITE/ 87{ 88 ipsend++; 89} 90 91udplite:::send 92/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local"/ 93{ 94 udplitesend++; 95} 96 97ip:::receive 98/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" && 99 args[4]->ipv4_protocol == IPPROTO_UDPLITE/ 100{ 101 ipreceive++; 102} 103 104udplite:::receive 105/args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local"/ 106{ 107 udplitereceive++; 108} 109 110END 111{ 112 printf("Minimum UDP-Lite events seen\n\n"); 113 printf("ip:::send - %s\n", ipsend >= 1 ? "yes" : "no"); 114 printf("ip:::receive - %s\n", ipreceive >= 1 ? "yes" : "no"); 115 printf("udplite:::send - %s\n", udplitesend >= 1 ? "yes" : "no"); 116 printf("udplite:::receive - %s\n", udplitereceive >= 1 ? "yes" : "no"); 117} 118EODTRACE 119 120status=$? 121 122cd / 123/bin/rm -rf $DIR 124 125exit $status 126