#!/usr/bin/env ksh # # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or http://www.opensolaris.org/os/licensing. # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. # # # Test sctp:::state-change and sctp:::{send,receive} by connecting to # the local discard service. # A number of state transition events along with SCTP send and # receive events for the message should result. # # This may fail due to: # # 1. A change to the ip stack breaking expected probe behavior, # which is the reason we are testing. # 2. The lo0 interface missing or not up. # 3. An unlikely race causes the unlocked global send/receive # variables to be corrupted. # # This test performs a SCTP connection and checks that at least the # following packet counts were traced: # # 7 x ip:::send (4 during the setup, 3 during the teardown) # 7 x sctp:::send (4 during the setup, 3 during the teardown) # 7 x ip:::receive (4 during the setup, 3 during the teardown) # 7 x sctp:::receive (4 during the setup, 3 during the teardown) # # The actual count tested is 7 each way, since we are tracing both # source and destination events. # if (( $# != 1 )); then print -u2 "expected one argument: " exit 2 fi dtrace=$1 local=127.0.0.1 DIR=/var/tmp/dtest.$$ sctpport=1024 bound=5000 mkdir $DIR cd $DIR cat > client.pl <<-EOPERL use IO::Socket; my \$s = IO::Socket::INET->new( Type => SOCK_STREAM, Proto => "sctp", LocalAddr => "$local", PeerAddr => "$local", PeerPort => \$ARGV[0], Timeout => 3); die "Could not connect to host $local port \$ARGV[0] \$@" unless \$s; close \$s; sleep(\$ARGV[1]); EOPERL while [ $sctpport -lt $bound ]; do perl client.pl $sctpport 0 2>&- || break sctpport=$(($sctpport + 1)) done if [ $sctpport -eq $bound ]; then echo "couldn't find an available SCTP port" exit 1 fi cat > server.pl <<-EOPERL use IO::Socket; my \$l = IO::Socket::INET->new( Type => SOCK_STREAM, Proto => "sctp", LocalAddr => "$local", LocalPort => $sctpport, Listen => 1, Reuse => 1); die "Could not listen on $local port $sctpport \$@" unless \$l; my \$c = \$l->accept(); close \$l; while (<\$c>) {}; close \$c; EOPERL perl server.pl & $dtrace -c "perl client.pl $sctpport 2" -qs /dev/stdin <ip_saddr == "$local" && args[2]->ip_daddr == "$local" && args[4]->ipv4_protocol == IPPROTO_SCTP/ { ipsend++; } sctp:::send /args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" && (args[4]->sctp_sport == $sctpport || args[4]->sctp_dport == $sctpport)/ { sctpsend++; } ip:::receive /args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" && args[4]->ipv4_protocol == IPPROTO_SCTP/ { ipreceive++; } sctp:::receive /args[2]->ip_saddr == "$local" && args[2]->ip_daddr == "$local" && (args[4]->sctp_sport == $sctpport || args[4]->sctp_dport == $sctpport)/ { sctpreceive++; } sctp:::state-change { state_event[args[3]->sctps_state]++; } END { printf("Minimum SCTP events seen\n\n"); printf("ip:::send - %s\n", ipsend >= 7 ? "yes" : "no"); printf("ip:::receive - %s\n", ipreceive >= 7 ? "yes" : "no"); printf("sctp:::send - %s\n", sctpsend >= 7 ? "yes" : "no"); printf("sctp:::receive - %s\n", sctpreceive >= 7 ? "yes" : "no"); printf("sctp:::state-change to cookie-wait - %s\n", state_event[SCTP_STATE_COOKIE_WAIT] >=1 ? "yes" : "no"); printf("sctp:::state-change to cookie-echoed - %s\n", state_event[SCTP_STATE_COOKIE_ECHOED] >=1 ? "yes" : "no"); printf("sctp:::state-change to established - %s\n", state_event[SCTP_STATE_ESTABLISHED] >= 2 ? "yes" : "no"); printf("sctp:::state-change to shutdown-sent - %s\n", state_event[SCTP_STATE_SHUTDOWN_SENT] >= 1 ? "yes" : "no"); printf("sctp:::state-change to shutdown-received - %s\n", state_event[SCTP_STATE_SHUTDOWN_RECEIVED] >= 1 ? "yes" : "no"); printf("sctp:::state-change to shutdown-ack-sent - %s\n", state_event[SCTP_STATE_SHUTDOWN_ACK_SENT] >= 1 ? "yes" : "no"); } EODTRACE status=$? cd / /bin/rm -rf $DIR exit $status