1#!/bin/sh 2 3################################################################################ 4## ## 5## Copyright (c) International Business Machines Corp., 2005 ## 6## ## 7## This program is free software; you can redistribute it and#or modify ## 8## it under the terms of the GNU General Public License as published by ## 9## the Free Software Foundation; either version 2 of the License, or ## 10## (at your option) any later version. ## 11## ## 12## This program is distributed in the hope that it will be useful, but ## 13## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## 14## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## 15## for more details. ## 16## ## 17## You should have received a copy of the GNU General Public License ## 18## along with this program; if not, write to the Free Software ## 19## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## 20## ## 21## ## 22################################################################################ 23# 24# File: 25# tcp4-multi-sameport01 26# 27# Description: 28# Verify that the kernel is not crashed with multiple connection to the 29# same port with the following condition: 30# - The version of IP is IPv4 31# - Network is not delayed 32# - IPsec is not used 33# 34# *) This script may be read by the other test case 35# 36# Setup: 37# See testcases/network/stress/README 38# 39# Author: 40# Mitsuru Chinen <mitch@jp.ibm.com> 41# 42# History: 43# Oct 19 2005 - Created (Mitsuru Chinen) 44# 45#----------------------------------------------------------------------- 46# Uncomment line below for debug output. 47#trace_logic=${trace_logic:-"set -x"} 48$trace_logic 49 50# The test case ID, the test case count and the total number of test case 51TCID=${TCID:-tcp4-multi-sameport01} 52TST_TOTAL=1 53TST_COUNT=1 54export TCID 55export TST_COUNT 56export TST_TOTAL 57 58# Test description 59tst_resm TINFO "Verify that the kernel is not crashed with multiple connection to the same port." 60 61# Make sure the value of LTPROOT 62LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`} 63export LTPROOT 64 65# Check the environmanet variable 66. check_envval || exit $TST_TOTAL 67 68# Dulation of the test [sec] 69NS_DURATION=${NS_DURATION:-3600} # 1 hour 70 71# Quantity of the connection for multi connection test 72CONNECTION_TOTAL=${CONNECTION_TOTAL:-4000} 73 74#The number of the test link where tests run 75LINK_NUM=${LINK_NUM:-0} 76 77# The version of IP 78IP_VER=${IP_VER:-4} 79 80# true, if ipsec is used 81DO_IPSEC=${DO_IPSEC:-false} 82 83# The value of SPI 84SPI=${SPI:-1000} 85 86# IPsec Protocol ( ah / esp / ipcomp ) 87IPSEC_PROTO=${IPSEC_PROTO:-ah} 88 89# IPsec Mode ( transport / tunnel ) 90IPSEC_MODE=${IPSEC_MODE:-transport} 91 92# true, if network is delayed 93DO_NET_DELAY=${DO_NET_DELAY:-false} 94 95# Amount of network delay [ms] 96NET_DELAY=${NET_DELAY:-600} 97 98# The deflection of network delay [ms] 99NET_DELAY_DEFL=${NET_DELAY_DEFL:-200} 100 101 102#----------------------------------------------------------------------- 103# 104# Function: do_cleanup 105# 106# Description: 107# Recover the system configuration 108# 109#----------------------------------------------------------------------- 110do_cleanup() 111{ 112 # Unset SAD/SPD 113 output_ipsec_conf flush | setkey -c >/dev/null 2>&1 114 $LTP_RSH $RHOST ${LTPROOT}/'testcases/bin/output_ipsec_conf flush | PATH=/sbin:/usr/sbin:$PATH setkey -c' >/dev/null 2>&1 115 116 # Unset network delay 117 if [ x$rhost_ifname = x ]; then 118 rhost_ifname=`get_ifname rhost $LINK_NUM` 119 fi 120 $LTP_RSH $RHOST "PATH=/sbin:/usr/sbin:$PATH tc qdisc del dev $rhost_ifname root netem" >/dev/null 2>&1 121 122 # Clean up each interface 123 initialize_if lhost ${LINK_NUM} 124 initialize_if rhost ${LINK_NUM} 125 126 # Kill the tcp traffic server 127 killall_tcp_traffic 128} 129 130 131#----------------------------------------------------------------------- 132# 133# Setup 134# 135 136# Unset the maximum number of processes 137ulimit -u unlimited 138 139# Output the informaion 140tst_resm TINFO "- Test duration is $NS_DURATION [sec]" 141tst_resm TINFO "- Target number of the connection is $CONNECTION_TOTAL" 142tst_resm TINFO "- Version of IP is IPv${IP_VER}" 143 144if $DO_NET_DELAY ; then 145 message=`check_netem` 146 if [ $? -ne 0 ]; then 147 tst_resm TBROK "$message" 148 exit 1 149 fi 150 tst_resm TINFO "- Network delay is ${NET_DELAY}ms +/- ${NET_DELAY_DEFL}ms" 151fi 152 153if $DO_IPSEC ; then 154 message=`check_setkey` 155 if [ $? -ne 0 ]; then 156 tst_resm TBROK "$message" 157 exit 1 158 fi 159 160 case $IPSEC_PROTO in 161 ah) 162 tst_resm TINFO "- IPsec [ AH / $IPSEC_MODE ]" 163 ;; 164 esp) 165 tst_resm TINFO "- IPsec [ ESP / $IPSEC_MODE ]" 166 ;; 167 ipcomp) 168 tst_resm TINFO "- IPcomp [ $IPSEC_MODE ]" 169 ;; 170 esac 171fi 172 173# name of interface of the local/remote host 174lhost_ifname=`get_ifname lhost $LINK_NUM` 175if [ $? -ne 0 ]; then 176 tst_resm TBROK "Failed to get the interface name at the local host" 177 exit $TST_TOTAL 178fi 179 180rhost_ifname=`get_ifname rhost $LINK_NUM` 181if [ $? -ne 0 ]; then 182 tst_resm TBROK "Failed to get the interface name at the remote host" 183 exit $TST_TOTAL 184fi 185 186# Initialize the system configuration 187do_cleanup 188 189# Call do_cleanup function before exit 190trap do_cleanup 0 191 192case $IP_VER in 193 4) 194 # Network portion of the IPv4 address 195 network_part=${IPV4_NETWORK:-"10.0.0"} 196 197 # Netmask of the IPv4 network 198 network_mask=24 199 200 # Host portion of the IPv4 address 201 lhost_host_part=${LHOST_IPV4_HOST:-"2"} # local host 202 rhost_host_part=${RHOST_IPV4_HOST:-"1"} # remote host 203 204 # Set IPv4 addresses to the interfaces 205 set_ipv4addr lhost $LINK_NUM $network_part $lhost_host_part 206 if [ $? -ne 0 ]; then 207 tst_resm TBROK "Failed to add any IP address at the local host" 208 exit 1 209 fi 210 set_ipv4addr rhost $LINK_NUM $network_part $rhost_host_part 211 if [ $? -ne 0 ]; then 212 tst_resm TBROK "Failed to add any IP address at the remote host" 213 exit 1 214 fi 215 216 # IPv4 address of the local/remote host 217 lhost_addr="${network_part}.${lhost_host_part}" 218 rhost_addr="${network_part}.${rhost_host_part}" 219 ;; 220 221 6) 222 # Network portion of the IPv6 address 223 network_part="fd00:1:1:1" 224 225 # Netmask of the IPv6 network 226 network_mask=64 227 228 # Host portion of the IPv6 address 229 lhost_host_part=":2" # local host 230 rhost_host_part=":1" # remote host 231 232 # Set IPv6 addresses to the interfaces 233 add_ipv6addr lhost $LINK_NUM $network_part $lhost_host_part 234 if [ $? -ne 0 ]; then 235 tst_resm TBROK "Failed to add any IP address at the local host" 236 exit 1 237 fi 238 239 add_ipv6addr rhost $LINK_NUM $network_part $rhost_host_part 240 if [ $? -ne 0 ]; then 241 tst_resm TBROK "Failed to add any IP address at the remote host" 242 exit 1 243 fi 244 245 # IPv6 address of the local/remote host 246 lhost_addr="${network_part}:${lhost_host_part}" 247 rhost_addr="${network_part}:${rhost_host_part}" 248 ;; 249 250 *) 251 tst_resm TBROK "Unknown IP version" 252 ;; 253esac 254 255# Make the network delay 256if $DO_NET_DELAY ; then 257 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH tc' qdisc add dev $rhost_ifname root netem delay ${NET_DELAY}ms ${NET_DELAY_DEFL}ms distribution normal' ; echo $?'` 258 if [ $ret -ne 0 ]; then 259 tst_resm TBROK "Failed to make the delayed network" 260 exit 1 261 fi 262fi 263 264# Configure SAD/SPD 265if $DO_IPSEC ; then 266 ipsec_log=`mktemp -p $TMPDIR` 267 268 output_ipsec_conf src \ 269 $IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr \ 270 | setkey -c 2>&1 | tee $ipsec_log 271 if [ $? -ne 0 -o -s $ipsec_log ]; then 272 tst_resm TBROK "Failed to configure SAD/SPD on the local host." 273 rm -f $ipsec_log 274 exit 1 275 fi 276 277 $LTP_RSH $RHOST ${LTPROOT}/testcases/bin/output_ipsec_conf dst $IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr' | PATH=/sbin:/usr/sbin:$PATH setkey -c' 2>&1 | tee $ipsec_log 278 if [ $? -ne 0 -o -s $ipsec_log ]; then 279 tst_resm TBROK "Failed to configure SAD/SPD on the remote host." 280 rm -f $ipsec_log 281 exit 1 282 fi 283 rm -f $ipsec_log 284fi 285 286# Make sure the connectvity 287case $IP_VER in 288 4) 289 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv4_connectivity $rhost_ifname $lhost_addr' ; echo $?'` 290 if [ $ret -ne 0 ]; then 291 tst_resm TBROK "There is no IPv4 connectivity." 292 exit 1 293 fi 294 ;; 295 296 6) 297 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv6_connectivity $rhost_ifname $lhost_addr' ; echo $?'` 298 if [ $ret -ne 0 ]; then 299 tst_resm TBROK "There is no IPv6 connectivity." 300 exit 1 301 fi 302 ;; 303esac 304 305 306#----------------------------------------------------------------------- 307# 308# Main 309# 310# 311 312# Find the available consecutive ports 313server_port=`find_portbundle tcp 1025 1` 314if [ $? -ne 0 ]; then 315 tst_resm TBROK "No port is available." 316 exit 1 317fi 318 319# Run a server 320info_file=`mktemp -p $TMPDIR` 321ns-tcpserver -b -c -f $IP_VER -o $info_file -p $server_port 322if [ $? -ne 0 ]; then 323 tst_resm TFAIL "Failed to run tcp traffic server." 324 rm -f $info_file 325 exit 1 326fi 327 328while true ; do 329 if [ -s $info_file ]; then 330 break 331 fi 332done 333 334server_pid=`grep PID: $info_file | cut -f 2 -d ' '` 335rm -f $info_file 336 337# Making connections 338connection_num=0 339while [ $connection_num -lt $CONNECTION_TOTAL ]; do 340 # Run a client 341 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-tcpclient -b -f $IP_VER -S $lhost_addr -p $server_port' ; echo $?'` 342 if [ $ret -ne 0 ]; then 343 # Failed to start any client 344 if [ $connection_num -eq 0 ]; then 345 tst_resm TFAIL "Failed to run any client" 346 exit 1 347 fi 348 # Failed to start a client 349 tst_resm TINFO "$connection_num seems the maximum number of the client" 350 break 351 fi 352 connection_num=`expr $connection_num + 1` 353done 354 355# Watch the TCP traffic server 356start_epoc=`date +%s` 357while true ; do 358 current_epoc=`date +%s` 359 elapse_epoc=`expr $current_epoc - $start_epoc` 360 361 if [ $elapse_epoc -ge $NS_DURATION ]; then 362 killall -SIGHUP ns-tcpserver 363 break 364 else 365 ps auxw | fgrep ns-tcpserver | fgrep -l $server_pid >/dev/null 2>&1 366 if [ $? -ne 0 ]; then 367 tst_resm TFAIL "tcp traffic server is dead in $elapse_epoc [sec]" 368 exit 1 369 fi 370 fi 371 sleep 1 372done 373 374 375#----------------------------------------------------------------------- 376# 377# Clean up 378# 379 380tst_resm TPASS "Test is finished successfully." 381exit 0 382