#!/bin/bash

# Builds bonnie++

# Copyright (C) 2003-2006 IBM
#
# 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., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.


PKGNAME=bonnie++-1.03e
TARNAME="$PKGNAME.tgz"
PROGNAME=bonnie++

# How much RAM do we have?
RAM=`cat /proc/meminfo | grep MemTotal | awk -F " " '{print $2}'`
SPACE_REQUIRED=`expr $RAM \* 4`

# Now figure out where we have mounted filesystems
MOUNTS=`egrep "(ext|reiser)" /proc/mounts | awk -F " " '{print $2}'`

RET=$(
	echo $MOUNTS | sed -e 's/ /\n/g' | while read f; do

        	# Do we have enough space? (assume 4x RAM is enough)
        	FREE_SPACE=`df -k -P "$f" | tail -n 1 | awk -F " " '{print $4}'`

        	if [ "$FREE_SPACE" -lt "$SPACE_REQUIRED" ]; then
			break
        	fi
	done
)

if [ ! -z $RET ]; then
        echo "[bonnie++] Insufficient space. Free space: $FREE_SPACE kB. Space required: $SPACE_REQUIRED kB. Not building bonnie."
	exit 1
fi

# Is it already installed?
PROG=`which $PROGNAME`
if [ ! -z "$PROG" ]; then
	exit 0
fi

# Retrieve binary, if necessary
cd "$POUNDER_OPTDIR"
if [ ! -f "$TARNAME" ]; then
	if [ $USE_CACHE -eq 1 ]; then
		wget "${POUNDER_CACHE}${TARNAME}"
	fi
	if [ ! -f "$TARNAME" ]; then
		wget "http://www.coker.com.au/bonnie++/$TARNAME"
	fi
fi

# Unpack if req'd
if [ ! -d "$PKGNAME" ]; then
	tar -xzf "$TARNAME"
fi

# Build
cd "$PKGNAME"
./configure
make $*