core/sqf/sql/scripts/sqcorefile

#!/bin/sh
#
# @@@ START COPYRIGHT @@@
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
# @@@ END COPYRIGHT @@@
#

function usage {
	b=`basename $0`
	echo "usage: $b [-e] [-l] [-p] [ <core>... ]"
	exit 0
}

#
# the easy way is to use gdb to display environ
#
function chk_core_easy {
	prog=`file -L $core | sed "-e s|^.*from '||" "-e s|'||"`
	TMP=/tmp/coreinfo$$
	gdb $prog $core 2>/dev/null > $TMP <<eof
define coreinfo_environ
	set \$inx = 0
	while *((char **) environ+\$inx)
		printf "%s\n", *((char **) environ+\$inx)
		set \$inx++
	end
end
coreinfo_environ
eof
	rc=$?
	if [ $rc = 0 ]; then
		croot=`grep '^TRAF_HOME=' $TMP`
		if [ -z "$croot" ]; then
			rc=1
		fi
		if [ $rc = 0 ]; then
			if [ $path = 1 ]; then
				cpath=`grep '^PATH=' $TMP`
				if [ -z "$cpath" ]; then
					rc=1
				fi
			fi
		fi
		if [ $rc = 0 ]; then
			if [ $ldpath = 1 ]; then
				cldpath=`grep '^LD_LIBRARY_PATH=' $TMP`
				if [ -z "$cldpath" ]; then
					rc=1
				fi
			fi
		fi
		if [ $rc = 0 ]; then
			echo "$core from $prog, $croot"
			if [ $ldpath = 1 ]; then
				echo $cpath
			fi
			if [ $ldpath = 1 ]; then
				echo $cldpath
			fi
			if [ $env = 1 ]; then
				cat $TMP
			fi
		fi
	fi
	rm -f $TMP
	return $rc
}

#
# the hard way is to use search the core-file for strings
#
function chk_core_hard {
	from=`file -L $core | sed "s|^.*from '|'|"`
	args="-s TRAF_HOME="
	if [ $ldpath = 1 ]; then
		args="$args -s LD_LIBRARY_PATH="
	fi
	if [ $path = 1 ]; then
		args="$args -s PATH="
	fi
	cdata=`tsearch $args $core`
	for cd in $cdata; do
		case "$cd" in
	    	LD_LIBRARY_PATH=*)
			cldpath=$cd
			;;
	    	TRAF_HOME=*)
			croot=$cd
			;;
	    	PATH=*)
			cpath=$cd
			;;
	    	esac
	done
	echo "$core from $from, $croot"
	if [ $path = 1 ]; then
		echo $cpath
	fi
	if [ $ldpath = 1 ]; then
		echo $cldpath
	fi
}

#
# check core - try easy-way then hard-way
#
function chk_core {
	chk_core_easy
	if [ $? != 0 ]; then
		chk_core_hard
	fi
}

# main starts here
env=0
ldpath=0
path=0
cnt=$#
filecnt=$cnt
while getopts "elp" arg; do
	case $arg in
	e) env=1
		;;
	l) ldpath=1
		;;
	p) path=1
		;;
	*) usage
		;;
	esac
	filecnt=`expr $filecnt - 1`
done

if [ $filecnt -eq 0 ]; then
	files=`ls core.*`
	for f in $files; do
		cnt=`expr $cnt + 1`
	done
fi

if [ $cnt -lt 1 ]; then
	usage
fi

if [ -z "$files" ]; then
	while [ $cnt -gt 0 ]; do
		core=$1
		if [ "$core" = "-e" ]; then
			x=1
		elif [ "$core" = "-l" ]; then
			x=1
		elif [ "$core" = "-p" ]; then
			x=1
		elif [ -e "$core" ]; then
			chk_core
		else
			echo "cannot open $core"
		fi
		shift
		cnt=`expr $cnt - 1`
	done
else
	for core in $files; do
		chk_core
	done
fi