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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:
- # check_icmpv4_connectivity
- #
- # Description:
- # Check the ICMPv4 connectivity from a interface to an IPv4 address
- #
- # Arguments:
- # $1: source interface name
- # $2: destination IPv4 address
- #
- # Returns:
- # 0: connectivity is good
- # 1: connectivity is someting wrong
- #
- # Author:
- # Mitsuru Chinen <mitch@jp.ibm.com>
- #
- # History:
- # Oct 19 2005 - Created (Mitsuru Chinen)
- #
- #-----------------------------------------------------------------------
- #Uncomment line below for debug output.
- #trace_logic=${trace_logic:-"set -x"}
- $trace_logic
- # The max number of ICMP echo request
- PING_MAX=10
- # Check the arguments
- if [ $# -ne 2 ]; then
- echo "Usage: $0 source_interface_name destionation_ipv4_address" >&2
- exit 1
- fi
- src_ifname=$1
- dst_ipv4addr=$2
- cnt=0
- while [ $cnt -lt $PING_MAX ]; do
- cnt=`expr $cnt + 1`
- ping -I $src_ifname -c 1 $dst_ipv4addr -w 1 > /dev/null 2>&1
- if [ $? -eq 0 ]; then
- exit 0
- fi
- sleep 1
- done
- exit 1
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