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-diffip01 26 # 27 # Description: 28 # Verify that the kernel is not crashed with multiple connection to the 29 # different IP address(alias) 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 ltp-yyyymmdd/testcases/network/stress/README 38 # 39 # Author: 40 # Mitsuru Chinen <mitch (at] 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 $trace_logic 49 50 # The test case ID, the test case count and the total number of test case 51 TCID=${TCID:-tcp4-multi-diffip01} 52 TST_TOTAL=1 53 TST_COUNT=1 54 export TCID 55 export TST_COUNT 56 export TST_TOTAL 57 58 # Test description 59 tst_resm TINFO "Verify that the kernel is not crashed with multiple connection to the different IP address(alias)." 60 61 # Make sure the value of LTPROOT 62 LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`} 63 export LTPROOT 64 65 # Check the environmanet variable 66 . check_envval || exit $TST_TOTAL 67 68 # Dulation of the test [sec] 69 NS_DURATION=${NS_DURATION:-3600} # 1 hour 70 71 # The number of IP address (alias) 72 IP_TOTAL_FOR_TCPIP=${IP_TOTAL_FOR_TCPIP:-100} 73 74 #The number of the test link where tests run 75 LINK_NUM=${LINK_NUM:-0} 76 77 # The version of IP 78 IP_VER=${IP_VER:-4} 79 80 # true, if ipsec is used 81 DO_IPSEC=${DO_IPSEC:-false} 82 83 # The value of SPI 84 SPI=${SPI:-1000} 85 86 # IPsec Protocol ( ah / esp / ipcomp ) 87 IPSEC_PROTO=${IPSEC_PROTO:-ah} 88 89 # IPsec Mode ( transport / tunnel ) 90 IPSEC_MODE=${IPSEC_MODE:-transport} 91 92 # true, if network is delayed 93 DO_NET_DELAY=${DO_NET_DELAY:-false} 94 95 # Amount of network delay [ms] 96 NET_DELAY=${NET_DELAY:-600} 97 98 # The deflection of network delay [ms] 99 NET_DELAY_DEFL=${NET_DELAY_DEFL:-200} 100 101 102 #----------------------------------------------------------------------- 103 # 104 # Function: do_cleanup 105 # 106 # Description: 107 # Recover the system configuration 108 # 109 #----------------------------------------------------------------------- 110 do_cleanup() 111 { 112 # Kill the tcp traffic server 113 killall_tcp_traffic 114 115 # Unset SAD/SPD 116 output_ipsec_conf flush | setkey -c >/dev/null 2>&1 117 $LTP_RSH $RHOST ${LTPROOT}/'testcases/bin/output_ipsec_conf flush | PATH=/sbin:/usr/sbin:$PATH setkey -c' >/dev/null 2>&1 118 119 # Unset network delay 120 if [ x$rhost_ifname = x ]; then 121 rhost_ifname=`get_ifname rhost $LINK_NUM` 122 fi 123 $LTP_RSH $RHOST "PATH=/sbin:/usr/sbin:$PATH tc qdisc del dev $rhost_ifname root netem" >/dev/null 2>&1 124 125 # Clean up each interface 126 initialize_if lhost ${LINK_NUM} 127 initialize_if rhost ${LINK_NUM} 128 } 129 130 131 #----------------------------------------------------------------------- 132 # 133 # Setup 134 # 135 136 # Unset the maximum number of processes 137 ulimit -u unlimited 138 139 # Output the informaion 140 tst_resm TINFO "- Test duration is $NS_DURATION [sec]" 141 tst_resm TINFO "- Target number of the connection is $IP_TOTAL_FOR_TCPIP" 142 tst_resm TINFO "- Version of IP is IPv${IP_VER}" 143 144 if $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" 151 fi 152 153 if $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 171 fi 172 173 # name of interface of the local/remote host 174 lhost_ifname=`get_ifname lhost $LINK_NUM` 175 if [ $? -ne 0 ]; then 176 tst_resm TBROK "Failed to get the interface name at the local host" 177 exit $TST_TOTAL 178 fi 179 180 rhost_ifname=`get_ifname rhost $LINK_NUM` 181 if [ $? -ne 0 ]; then 182 tst_resm TBROK "Failed to get the interface name at the remote host" 183 exit $TST_TOTAL 184 fi 185 186 # Initialize the system configuration 187 do_cleanup 188 189 # Call do_cleanup function before exit 190 trap do_cleanup 0 191 192 # Make the network delay 193 if $DO_NET_DELAY ; then 194 ret=`$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 $?'` 195 if [ $ret -ne 0 ]; then 196 tst_resm TBROK "Failed to make the delayed network" 197 exit 1 198 fi 199 fi 200 201 # Loop for assign IP addresses 202 ipaddr_pair_num=0 203 while [ $ipaddr_pair_num -lt $IP_TOTAL_FOR_TCPIP ]; do 204 # Add new IP addresses 205 x=`expr $ipaddr_pair_num \/ 255 % 255` 206 y=`expr $ipaddr_pair_num % 255` 207 if [ $x -ge 255 ]; then 208 tst_resm TINFO "This script cannot add more than $ipaddr_pair_num addresses" 209 break 210 fi 211 212 case $IP_VER in 213 4) 214 network_part="10.${x}.${y}" 215 network_broadcast=${network_part}.255 216 network_mask=24 217 lhost_addr="${network_part}.2" 218 rhost_addr="${network_part}.1" 219 220 # Set IPv4 addresses to the interfaces 221 ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname 222 if [ $? -eq 2 ]; then 223 ip addr del ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname 2>&1 224 ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname 225 fi 226 if [ $? -ne 0 ]; then 227 if [ $ipaddr_pair_num -eq 0 ]; then 228 tst_resm TBROK "Failed to add any IP address at the local" 229 exit 1 230 else 231 tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num" 232 fi 233 break 234 fi 235 236 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'` 237 238 if [ $ret -eq 2 ]; then 239 $LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname 240 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'` 241 fi 242 243 if [ $ret -ne 0 ]; then 244 if [ $ipaddr_pair_num -eq 0 ]; then 245 tst_resm TBROK "Failed to add any IP address at the remote" 246 exit 1 247 else 248 tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num" 249 fi 250 break 251 fi 252 ;; 253 254 6) 255 hex_x=`printf %x $x` 256 hex_y=`printf %x $y` 257 258 network_part="fd00:1:${hex_x}:${hex_y}" 259 network_mask=64 260 lhost_addr="${network_part}::2" 261 rhost_addr="${network_part}::1" 262 263 # Set IPv6 addresses to the interfaces 264 ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname 265 266 if [ $? -eq 2 ]; then 267 ip addr del ${lhost_addr}/${network_mask} dev $lhost_ifname 2>&1 268 ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname 269 fi 270 271 if [ $? -ne 0 ]; then 272 if [ $ipaddr_pair_num -eq 0 ]; then 273 tst_resm TBROK "Failed to add any IP address at the local" 274 exit 1 275 else 276 tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num" 277 fi 278 break 279 fi 280 281 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'` 282 283 if [ $ret -eq 2 ]; then 284 $LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} dev $rhost_ifname 285 ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'` 286 fi 287 288 if [ $ret -ne 0 ]; then 289 if [ $ipaddr_pair_num -eq 0 ]; then 290 tst_resm TBROK "Failed to add any IP address at the remote" 291 exit 1 292 else 293 tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num" 294 fi 295 break 296 fi 297 ;; 298 esac 299 300 # Set SAD/SPD 301 if $DO_IPSEC ; then 302 ipsec_log=`mktemp -p $TMPDIR` 303 output_ipsec_conf src \ 304 $IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr \ 305 | setkey -c 2>&1 | tee $ipsec_log 306 if [ $? -ne 0 -o -s $ipsec_log ]; then 307 rm -f $ipsec_log 308 if [ $ipaddr_pair_num -eq 0 ]; then 309 tst_resm TBROK "Failed to add any SAD/SPD" 310 exit 1 311 else 312 tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the local host." 313 fi 314 break 315 fi 316 rm -f $ipsec_log 317 318 $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 319 if [ $? -ne 0 -o -s $ipsec_log ]; then 320 rm -f $ipsec_log 321 if [ $ipaddr_pair_num -eq 0 ]; then 322 tst_resm TBROK "Failed to add any SAD/SPD" 323 exit 1 324 else 325 tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the remote host." 326 fi 327 break 328 fi 329 rm -f $ipsec_log 330 fi 331 332 # Check the connectivity 333 case $IP_VER in 334 4) 335 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv4_connectivity $rhost_ifname $lhost_addr' ; echo $?'` 336 if [ $ret -ne 0 ]; then 337 tst_resm TBROK "No IPv4 connectivity among ${ipaddr_pair_num}th IP address pair" 338 exit 1 339 fi 340 ;; 341 342 6) 343 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv6_connectivity $rhost_ifname $lhost_addr' ; echo $?'` 344 if [ $ret -ne 0 ]; then 345 tst_resm TBROK "No IPv6 connectivity among ${ipaddr_pair_num}th IP address pair" 346 exit 1 347 fi 348 ;; 349 esac 350 351 if [ $? -ne 0 ]; then 352 tst_resm TFAIL "There is no connectivity." 353 exit 1 354 fi 355 356 ipaddr_pair_num=`expr $ipaddr_pair_num + 1` 357 done 358 359 360 #----------------------------------------------------------------------- 361 # 362 # Main 363 # 364 # 365 366 # Find the available consecutive ports 367 server_port=`find_portbundle tcp 1025 1` 368 if [ $? -ne 0 ]; then 369 tst_resm TFAIL "No port is available." 370 exit 1 371 fi 372 373 # Run a server 374 info_file=`mktemp -p $TMPDIR` 375 376 ns-tcpserver -b -c -f $IP_VER -p $server_port -o $info_file 377 if [ $? -ne 0 ]; then 378 tst_resm TFAIL "Failed to run tcp traffic server." 379 rm -f $info_file 380 exit 1 381 fi 382 383 while true ; do 384 if [ -s $info_file ]; then 385 break 386 fi 387 done 388 389 server_pid=`grep PID: $info_file | cut -f 2 -d ' '` 390 rm -f $info_file 391 392 # Make connections 393 connection_num=0 394 while [ $connection_num -lt $ipaddr_pair_num ]; do 395 # IP addresses 396 x=`expr $connection_num \/ 255 % 255` 397 y=`expr $connection_num % 255` 398 399 case $IP_VER in 400 4) 401 lhost_addr="10.${x}.${y}.2" 402 ;; 403 404 6) 405 hex_x=`printf %x $x` 406 hex_y=`printf %x $y` 407 lhost_addr="fd00:1:${hex_x}:${hex_y}::2" 408 ;; 409 esac 410 411 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-tcpclient -b -f $IP_VER -S $lhost_addr -p $server_port' ; echo $?'` 412 if [ $ret -ne 0 ]; then 413 if [ $connection_num -eq 0 ]; then 414 tst_resm TFAIL "Failed to run any client" 415 exit 1 416 else 417 tst_resm TINFO "$connection_num seems the maximum number of the client" 418 fi 419 break 420 fi 421 connection_num=`expr $connection_num + 1` 422 done 423 424 # Watch the TCP traffic server 425 start_epoc=`date +%s` 426 while true ; do 427 current_epoc=`date +%s` 428 elapse_epoc=`expr $current_epoc - $start_epoc` 429 430 if [ $elapse_epoc -ge $NS_DURATION ]; then 431 killall -SIGHUP ns-tcpserver 432 break 433 else 434 ps auxw | fgrep ns-tcpserver | fgrep -l $server_pid >/dev/null 2>&1 435 if [ $? -ne 0 ]; then 436 tst_resm TFAIL "tcp traffic server is dead in $elapse_epoc [sec]" 437 exit 1 438 fi 439 fi 440 sleep 1 441 done 442 443 444 #----------------------------------------------------------------------- 445 # 446 # Clean up 447 # 448 449 tst_resm TPASS "Test is finished successfully." 450 exit 0 451
