#!/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 @@@
#
# mondump <pid> to [<node>:]<core> using <tmp-dir> if <node>
#
if [ $# -lt 2 ]; then
	echo "usage: $0 <pid> <core> [<node> <tmp-dir>]"
	exit 1
fi

# change this to 1 for tracing to /tmp/mondump<pid>
trace=0

if [ $trace = 1 ]; then
	TMP=/tmp/mondump$$
	trap "rm -f ${TMP}; exit 1" 1 2 13 15
fi

#
# collect arguments
#
pid=$1
core=$2
tgtcore=$core
if [ $trace = 1 ]; then
	echo "input: pid=$pid" >> $TMP
	echo "input: core=$core" >> $TMP
fi
shift 2
node=""
tmpdir=""
if [ $# -ge 2 ]; then
        node=$1
        tmpdir=$2
	if [ $trace = 1 ]; then
		echo "input: node=$node" >> $TMP
		echo "input: tmpdir=$tmpdir" >> $TMP
	fi
        shift 2
fi
dir=`dirname $core`
core=`basename $core`
if [ ! -z $node ]; then
        dir=$tmpdir
fi

#
# create core-file
#
if [ $trace = 1 ]; then
	echo "" >> $TMP
	echo "create core-file" >> $TMP
	echo "cd $dir" >> $TMP
	echo "gdb" >> $TMP
	echo "  attach $pid" >> $TMP
	echo "  gcore $core" >> $TMP
	echo "  detach" >> $TMP
	echo "" >> $TMP
fi

cd $dir
gdb <<eof
attach $pid
gcore $core
detach
eof
ret=$?
if [ $trace = 1 ]; then
	echo "gdb exit $ret" >> $TMP
fi

if [ $ret = 0 ]; then
        if [ -z $node ]; then
		# make sure file created
		if [ ! -e $dir/$core ]; then
			ret=1
			if [ $trace = 1 ]; then
				echo "$dir/$core were not created" >> $TMP
			fi
		fi
        else
		if [ $trace = 1 ]; then
			echo "pdcp -w $node $dir/$core $tgtcore" >> $TMP
		fi
		pdcp -w $node $dir/$core $tgtcore
		ret=$?
		if [ $trace = 1 ]; then
			echo "pdcp exit $ret" >> $TMP
		fi
		rm -f $dir/$core
        fi
fi

if [ $trace = 1 ]; then
	echo "exit $ret" >> $TMP
fi
exit $ret