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android13/external/ltp/testcases/network/stress/tcp/multi-diffip/tcp4-multi-diffip01

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#!/bin/sh
################################################################################
## ##
## Copyright (c) International Business Machines Corp., 2005 ##
## ##
## This program is free software; you can redistribute it and#or modify ##
## it under the terms of the GNU General Public License as published by ##
## the Free Software Foundation; either version 2 of the License, or ##
## (at your option) any later version. ##
## ##
## This program is distributed in the hope that it will be useful, but ##
## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ##
## for more details. ##
## ##
## You should have received a copy of the GNU General Public License ##
## along with this program; if not, write to the Free Software ##
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ##
## ##
## ##
################################################################################
#
# File:
# tcp4-multi-diffip01
#
# Description:
# Verify that the kernel is not crashed with multiple connection to the
# different IP address(alias) with the following condition:
# - The version of IP is IPv4
# - Network is not delayed
# - IPsec is not used
#
# *) This script may be read by the other test case
#
# Setup:
# See testcases/network/stress/README
#
# Author:
# Mitsuru Chinen <mitch@jp.ibm.com>
#
# History:
# Oct 19 2005 - Created (Mitsuru Chinen)
#
#-----------------------------------------------------------------------
# Uncomment line below for debug output.
#trace_logic=${trace_logic:-"set -x"}
$trace_logic
# The test case ID, the test case count and the total number of test case
TCID=${TCID:-tcp4-multi-diffip01}
TST_TOTAL=1
TST_COUNT=1
export TCID
export TST_COUNT
export TST_TOTAL
# Test description
tst_resm TINFO "Verify that the kernel is not crashed with multiple connection to the different IP address(alias)."
# Make sure the value of LTPROOT
LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`}
export LTPROOT
# Check the environmanet variable
. check_envval || exit $TST_TOTAL
# Dulation of the test [sec]
NS_DURATION=${NS_DURATION:-3600} # 1 hour
# The number of IP address (alias)
IP_TOTAL_FOR_TCPIP=${IP_TOTAL_FOR_TCPIP:-100}
#The number of the test link where tests run
LINK_NUM=${LINK_NUM:-0}
# The version of IP
IP_VER=${IP_VER:-4}
# true, if ipsec is used
DO_IPSEC=${DO_IPSEC:-false}
# The value of SPI
SPI=${SPI:-1000}
# IPsec Protocol ( ah / esp / ipcomp )
IPSEC_PROTO=${IPSEC_PROTO:-ah}
# IPsec Mode ( transport / tunnel )
IPSEC_MODE=${IPSEC_MODE:-transport}
# true, if network is delayed
DO_NET_DELAY=${DO_NET_DELAY:-false}
# Amount of network delay [ms]
NET_DELAY=${NET_DELAY:-600}
# The deflection of network delay [ms]
NET_DELAY_DEFL=${NET_DELAY_DEFL:-200}
#-----------------------------------------------------------------------
#
# Function: do_cleanup
#
# Description:
# Recover the system configuration
#
#-----------------------------------------------------------------------
do_cleanup()
{
# Kill the tcp traffic server
killall_tcp_traffic
# Unset SAD/SPD
output_ipsec_conf flush | setkey -c >/dev/null 2>&1
$LTP_RSH $RHOST ${LTPROOT}/'testcases/bin/output_ipsec_conf flush | PATH=/sbin:/usr/sbin:$PATH setkey -c' >/dev/null 2>&1
# Unset network delay
if [ x$rhost_ifname = x ]; then
rhost_ifname=`get_ifname rhost $LINK_NUM`
fi
$LTP_RSH $RHOST "PATH=/sbin:/usr/sbin:$PATH tc qdisc del dev $rhost_ifname root netem" >/dev/null 2>&1
# Clean up each interface
initialize_if lhost ${LINK_NUM}
initialize_if rhost ${LINK_NUM}
}
#-----------------------------------------------------------------------
#
# Setup
#
# Unset the maximum number of processes
ulimit -u unlimited
# Output the informaion
tst_resm TINFO "- Test duration is $NS_DURATION [sec]"
tst_resm TINFO "- Target number of the connection is $IP_TOTAL_FOR_TCPIP"
tst_resm TINFO "- Version of IP is IPv${IP_VER}"
if $DO_NET_DELAY ; then
message=`check_netem`
if [ $? -ne 0 ]; then
tst_resm TBROK "$message"
exit 1
fi
tst_resm TINFO "- Network delay is ${NET_DELAY}ms +/- ${NET_DELAY_DEFL}ms"
fi
if $DO_IPSEC ; then
message=`check_setkey`
if [ $? -ne 0 ]; then
tst_resm TBROK "$message"
exit 1
fi
case $IPSEC_PROTO in
ah)
tst_resm TINFO "- IPsec [ AH / $IPSEC_MODE ]"
;;
esp)
tst_resm TINFO "- IPsec [ ESP / $IPSEC_MODE ]"
;;
ipcomp)
tst_resm TINFO "- IPcomp [ $IPSEC_MODE ]"
;;
esac
fi
# name of interface of the local/remote host
lhost_ifname=`get_ifname lhost $LINK_NUM`
if [ $? -ne 0 ]; then
tst_resm TBROK "Failed to get the interface name at the local host"
exit $TST_TOTAL
fi
rhost_ifname=`get_ifname rhost $LINK_NUM`
if [ $? -ne 0 ]; then
tst_resm TBROK "Failed to get the interface name at the remote host"
exit $TST_TOTAL
fi
# Initialize the system configuration
do_cleanup
# Call do_cleanup function before exit
trap do_cleanup 0
# Make the network delay
if $DO_NET_DELAY ; then
ret=`$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 $?'`
if [ $ret -ne 0 ]; then
tst_resm TBROK "Failed to make the delayed network"
exit 1
fi
fi
# Loop for assign IP addresses
ipaddr_pair_num=0
while [ $ipaddr_pair_num -lt $IP_TOTAL_FOR_TCPIP ]; do
# Add new IP addresses
x=`expr $ipaddr_pair_num \/ 255 % 255`
y=`expr $ipaddr_pair_num % 255`
if [ $x -ge 255 ]; then
tst_resm TINFO "This script cannot add more than $ipaddr_pair_num addresses"
break
fi
case $IP_VER in
4)
network_part="10.${x}.${y}"
network_broadcast=${network_part}.255
network_mask=24
lhost_addr="${network_part}.2"
rhost_addr="${network_part}.1"
# Set IPv4 addresses to the interfaces
ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname
if [ $? -eq 2 ]; then
ip addr del ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname 2>&1
ip addr add ${lhost_addr}/${network_mask} broadcast $network_broadcast dev $lhost_ifname
fi
if [ $? -ne 0 ]; then
if [ $ipaddr_pair_num -eq 0 ]; then
tst_resm TBROK "Failed to add any IP address at the local"
exit 1
else
tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num"
fi
break
fi
ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'`
if [ $ret -eq 2 ]; then
$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname
ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} broadcast $network_broadcast dev $rhost_ifname' ; echo $?'`
fi
if [ $ret -ne 0 ]; then
if [ $ipaddr_pair_num -eq 0 ]; then
tst_resm TBROK "Failed to add any IP address at the remote"
exit 1
else
tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num"
fi
break
fi
;;
6)
hex_x=`printf %x $x`
hex_y=`printf %x $y`
network_part="fd00:1:${hex_x}:${hex_y}"
network_mask=64
lhost_addr="${network_part}::2"
rhost_addr="${network_part}::1"
# Set IPv6 addresses to the interfaces
ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname
if [ $? -eq 2 ]; then
ip addr del ${lhost_addr}/${network_mask} dev $lhost_ifname 2>&1
ip addr add ${lhost_addr}/${network_mask} dev $lhost_ifname
fi
if [ $? -ne 0 ]; then
if [ $ipaddr_pair_num -eq 0 ]; then
tst_resm TBROK "Failed to add any IP address at the local"
exit 1
else
tst_resm TINFO "The number of IP address at the local host seems to reach the maximum. The number is $ipaddr_pair_num"
fi
break
fi
ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'`
if [ $ret -eq 2 ]; then
$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr del ${rhost_addr}/${network_mask} dev $rhost_ifname
ret=`$LTP_RSH $RHOST 'PATH=/sbin:/usr/sbin:$PATH ip' addr add ${rhost_addr}/${network_mask} dev $rhost_ifname' ; echo $?'`
fi
if [ $ret -ne 0 ]; then
if [ $ipaddr_pair_num -eq 0 ]; then
tst_resm TBROK "Failed to add any IP address at the remote"
exit 1
else
tst_resm TINFO "The number of IP address at the remote host seems to reach the maximum. The number is $ipaddr_pair_num"
fi
break
fi
;;
esac
# Set SAD/SPD
if $DO_IPSEC ; then
ipsec_log=`mktemp -p $TMPDIR`
output_ipsec_conf src \
$IPSEC_PROTO $IPSEC_MODE $SPI $lhost_addr $rhost_addr \
| setkey -c 2>&1 | tee $ipsec_log
if [ $? -ne 0 -o -s $ipsec_log ]; then
rm -f $ipsec_log
if [ $ipaddr_pair_num -eq 0 ]; then
tst_resm TBROK "Failed to add any SAD/SPD"
exit 1
else
tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the local host."
fi
break
fi
rm -f $ipsec_log
$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
if [ $? -ne 0 -o -s $ipsec_log ]; then
rm -f $ipsec_log
if [ $ipaddr_pair_num -eq 0 ]; then
tst_resm TBROK "Failed to add any SAD/SPD"
exit 1
else
tst_resm TINFO "The number of SAD/SPD seems to reach the maximum at the remote host."
fi
break
fi
rm -f $ipsec_log
fi
# Check the connectivity
case $IP_VER in
4)
ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv4_connectivity $rhost_ifname $lhost_addr' ; echo $?'`
if [ $ret -ne 0 ]; then
tst_resm TBROK "No IPv4 connectivity among ${ipaddr_pair_num}th IP address pair"
exit 1
fi
;;
6)
ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/check_icmpv6_connectivity $rhost_ifname $lhost_addr' ; echo $?'`
if [ $ret -ne 0 ]; then
tst_resm TBROK "No IPv6 connectivity among ${ipaddr_pair_num}th IP address pair"
exit 1
fi
;;
esac
if [ $? -ne 0 ]; then
tst_resm TFAIL "There is no connectivity."
exit 1
fi
ipaddr_pair_num=`expr $ipaddr_pair_num + 1`
done
#-----------------------------------------------------------------------
#
# Main
#
#
# Find the available consecutive ports
server_port=`find_portbundle tcp 1025 1`
if [ $? -ne 0 ]; then
tst_resm TFAIL "No port is available."
exit 1
fi
# Run a server
info_file=`mktemp -p $TMPDIR`
ns-tcpserver -b -c -f $IP_VER -p $server_port -o $info_file
if [ $? -ne 0 ]; then
tst_resm TFAIL "Failed to run tcp traffic server."
rm -f $info_file
exit 1
fi
while true ; do
if [ -s $info_file ]; then
break
fi
done
server_pid=`grep PID: $info_file | cut -f 2 -d ' '`
rm -f $info_file
# Make connections
connection_num=0
while [ $connection_num -lt $ipaddr_pair_num ]; do
# IP addresses
x=`expr $connection_num \/ 255 % 255`
y=`expr $connection_num % 255`
case $IP_VER in
4)
lhost_addr="10.${x}.${y}.2"
;;
6)
hex_x=`printf %x $x`
hex_y=`printf %x $y`
lhost_addr="fd00:1:${hex_x}:${hex_y}::2"
;;
esac
ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-tcpclient -b -f $IP_VER -S $lhost_addr -p $server_port' ; echo $?'`
if [ $ret -ne 0 ]; then
if [ $connection_num -eq 0 ]; then
tst_resm TFAIL "Failed to run any client"
exit 1
else
tst_resm TINFO "$connection_num seems the maximum number of the client"
fi
break
fi
connection_num=`expr $connection_num + 1`
done
# Watch the TCP traffic server
start_epoc=`date +%s`
while true ; do
current_epoc=`date +%s`
elapse_epoc=`expr $current_epoc - $start_epoc`
if [ $elapse_epoc -ge $NS_DURATION ]; then
killall -SIGHUP ns-tcpserver
break
else
ps auxw | fgrep ns-tcpserver | fgrep -l $server_pid >/dev/null 2>&1
if [ $? -ne 0 ]; then
tst_resm TFAIL "tcp traffic server is dead in $elapse_epoc [sec]"
exit 1
fi
fi
sleep 1
done
#-----------------------------------------------------------------------
#
# Clean up
#
tst_resm TPASS "Test is finished successfully."
exit 0
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