| #!/bin/sh |
| |
| ################################################################################ |
| ## ## |
| ## Copyright (c) International Business Machines Corp., 2006 ## |
| ## ## |
| ## 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: |
| # mcast4-grpope02 |
| # |
| # Description: |
| # Verify that the kernel is not crashed when joining lots of IPv4 multicast |
| # groups on lots of sockets |
| # |
| # Setup: |
| # See ltp-yyyymmdd/testcases/network/stress/README |
| # |
| # Author: |
| # Mitsuru Chinen <mitch@jp.ibm.com> |
| # |
| # History: |
| # May 1 2006 - Created (Mitsuru Chinen) |
| # |
| #----------------------------------------------------------------------- |
| # Uncomment line below for debug output. |
| #trace_logic=${trace_logic:-"set -x"} |
| $trace_logic |
| |
| # The test case ID, the test case count and the total number of test case |
| TCID=mcast4-grpope02 |
| TST_TOTAL=1 |
| TST_COUNT=1 |
| export TCID |
| export TST_COUNT |
| export TST_TOTAL |
| |
| # Make sure the value of LTPROOT |
| LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`} |
| export LTPROOT |
| |
| # Check the environmanet variable |
| . check_envval || exit $TST_TOTAL |
| |
| # Number of the group |
| MCASTNUM_HEAVY=${MCASTNUM_HEAVY:-40000} |
| |
| # The number of the test link where tests run |
| LINK_NUM=${LINK_NUM:-0} |
| |
| # Network portion of the IPv4 address |
| NETWORK_PART=${IPV4_NETWORK:-"10.0.0"} |
| |
| # Netmask of the IPv4 network |
| NETWORK_MASK=24 |
| |
| # Host portion of the IPv4 address |
| LHOST_HOST_PART=${LHOST_IPV4_HOST:-"2"} # local host |
| RHOST_HOST_PART=${RHOST_IPV4_HOST:-"1"} # remote host |
| |
| # Prefix of the Multicast Address |
| MCAST_ADDR_PREFIX=224.10 |
| |
| |
| #----------------------------------------------------------------------- |
| # |
| # Function: do_cleanup |
| # |
| # Description: |
| # Recover the system configuration |
| # |
| #----------------------------------------------------------------------- |
| do_cleanup() |
| { |
| # Make sure to kill the multicast receiver and sender |
| killall -SIGHUP ns-mcast_join >/dev/null 2>&1 |
| $LTP_RSH $RHOST killall -SIGHUP ns-igmp_querier >/dev/null 2>&1 |
| |
| # Clean up each interface |
| initialize_if lhost ${LINK_NUM} |
| initialize_if rhost ${LINK_NUM} |
| } |
| |
| |
| #----------------------------------------------------------------------- |
| # |
| # Function: do_setup |
| # |
| # Description: |
| # Configure the ssystem for the test |
| # |
| #----------------------------------------------------------------------- |
| do_setup() |
| { |
| # Initialize the system configuration |
| do_cleanup |
| |
| # Call do_cleanup function before exit |
| trap do_cleanup 0 |
| |
| # Increase the maximum number of open file descriptors |
| fd_num=`ulimit -n` |
| if [ $fd_num -lt $MCASTNUM_HEAVY ]; then |
| ulimit -n $MCASTNUM_HEAVY |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "$MCASTNUM_HEAVY is too many for the file descriptor" |
| fi |
| 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 |
| |
| # Set IPv4 addresses to the interfaces |
| set_ipv4addr lhost $LINK_NUM $NETWORK_PART $LHOST_HOST_PART |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "Failed to add any IP address at the local host" |
| exit 1 |
| fi |
| |
| set_ipv4addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "Failed to add any IP address at the remote host" |
| exit 1 |
| fi |
| |
| # IPv4 address of the local/remote host |
| lhost_addr="${NETWORK_PART}.${LHOST_HOST_PART}" |
| rhost_addr="${NETWORK_PART}.${RHOST_HOST_PART}" |
| |
| # Make sure the connectvity |
| check_icmpv4_connectivity $lhost_ifname $rhost_addr |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "There is no IPv4 connectivity." |
| exit 1 |
| fi |
| |
| # Make sure the sysctl values |
| sysctl -w net.ipv4.igmp_max_memberships=$MCASTNUM_HEAVY >/dev/null |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "Failed to set the sysctl value regarding multicast" |
| exit $TST_TOTAL |
| fi |
| |
| sysctl -w net.ipv4.igmp_max_msf=10 >/dev/null |
| sysctl -w net.ipv4.conf.${lhost_ifname}.force_igmp_version=0 >/dev/null |
| sysctl -w net.ipv4.conf.all.force_igmp_version=0 >/dev/null |
| } |
| |
| |
| #----------------------------------------------------------------------- |
| # |
| # Main |
| # |
| # |
| |
| # Test description |
| tst_resm TINFO "Verify that the kernel is not crashed when joining $MCASTNUM_HEAVY IPv4 multicast groups on separate sockets" |
| |
| do_setup |
| |
| # Run a multicast join tool |
| tmpfile=$TMPDIR/ns-mcast_join.$$ |
| ns-mcast_join -m -f 4 -I $lhost_ifname -n $MCASTNUM_HEAVY -p $MCAST_ADDR_PREFIX > $tmpfile |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "Failed to start multicast joining tool Please check the environment" |
| rm -f $tmpfile |
| exit 1 |
| fi |
| msg=`cat $tmpfile | grep groups` |
| tst_resm TINFO "Joined $msg" |
| rm -f $tmpfile |
| |
| # Send IGMP General Query from the remote host |
| ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-igmp_querier -I $rhost_ifname -o -r 1' ; echo $?'` |
| if [ $ret -ne 0 ]; then |
| tst_resm TBROK "Failed to start IGMP querier" |
| exit 1 |
| fi |
| |
| #----------------------------------------------------------------------- |
| # |
| # Clean up |
| # |
| |
| killall -SIGHUP ns-mcast_join >/dev/null 2>&1 |
| while true ; do |
| ps auxw | grep -v grep | grep ns-mcast_join > /dev/null |
| if [ $? -ne 0 ] ; then |
| break |
| fi |
| done |
| |
| tst_resm TPASS "Test is finished successfully." |
| |
| exit 0 |