#!/bin/bash
#
# Copyright (C) 2007-2014 Hypertable, Inc.
#
# Licensed 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.
#

# The installation directory
export HYPERTABLE_HOME=$(cd `dirname "$0"`/.. && pwd)
. $HYPERTABLE_HOME/bin/ht-env.sh

# Parse and remove jrun specific arguments
DEBUG_ARGS=

# Setup CLASSPATH
CLASSPATH="${HYPERTABLE_HOME}"

while [ $# -gt 1 ] ; do
  if [ "--pidfile" = "$1" ] ; then
    shift
    echo "$$" > $1
    shift
  elif [ "--debug" = "$1" ] ; then
    DEBUG_ARGS="-Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n\
                -Xdebug"
    shift
  elif [ "--add-to-classpath" = "$1" ] ; then
    shift
    CLASSPATH=${CLASSPATH}:$1
    shift
  elif [ "--verbose" = "$1" ] ; then
    shift
  else
    break
  fi
done

# Make sure configured for Hadoop distro
DISTRO=
if [ -e $HYPERTABLE_HOME/conf/hadoop-distro ]; then
  DISTRO=`cat $HYPERTABLE_HOME/conf/hadoop-distro`
fi

if [ -z "$DISTRO" ]; then
    echo "No Hadoop distro is configured.  Run the following script to"
    echo "configure:"
    echo ""
    echo "$HYPERTABLE_HOME/bin/set-hadoop-distro.sh"
    exit 1
fi

# so that filenames w/ spaces are handled correctly in loops below
IFS=

DISTRO_NEEDS_SETTING=0
JAR_COUNT=`ls -1 $HYPERTABLE_HOME/lib/java/*.jar | wc -l`
if [ $JAR_COUNT -eq 0 ]; then
    DISTRO_NEEDS_SETTING=1
else
    JAR=`ls -1 $HYPERTABLE_HOME/lib/java/*.jar | head -1`
    SYSTEM=`uname -s`
    if [ $SYSTEM == "Linux" ]; then
        CONF_DATE=`stat -t -c '%Y' $HYPERTABLE_HOME/conf/hadoop-distro`
        JAR_DATE=`stat -t -c '%Y' $JAR`
        if [[ $CONF_DATE > $JAR_DATE ]]; then
            DISTRO_NEEDS_SETTING=1
        fi
    elif [ $SYSTEM == "Darwin" ]; then
        CONF_DATE=`stat -f '%B' $HYPERTABLE_HOME/conf/hadoop-distro`
        JAR_DATE=`stat -f '%B' $JAR`
        if [[ $CONF_DATE > $JAR_DATE ]]; then
            DISTRO_NEEDS_SETTING=1
        fi
    else
        DISTRO_NEEDS_SETTING=1
    fi
fi

if [ $DISTRO_NEEDS_SETTING -eq 1 ]; then
    $HYPERTABLE_HOME/bin/set-hadoop-distro.sh $DISTRO
fi


# add lib/java to CLASSPATH
for f in $HYPERTABLE_HOME/lib/java/*.jar; do
  CLASSPATH=${CLASSPATH}:$f;
done

unset IFS

#
# run it
#
if [ "$JAVA_HOME" != "" ] ; then
  exec $JAVA_HOME/bin/java $DEBUG_ARGS -classpath "$CLASSPATH" "$@"
else
  exec java $DEBUG_ARGS -classpath "$CLASSPATH" "$@"
fi