root/trunk/scripts/stop

#!/bin/bash

pushd `dirname $0` > /dev/null

L=`basename $0`
D='+[%Y-%m-%d %H:%M:%S]'

COMMAND=$1
shift

SERVICE=${COMMAND%/*}
if [ "$SERVICE" = "" ]; then
  echo "$(date "$D") [$L] : Usage: $L SERVICE[/APPLICATION]"
  exit 1
fi
if [ ! -d "../services/$SERVICE" ]; then
  echo "$(date "$D") [$L] : The service \"$SERVICE\" does not exist"
  exit 2
fi

CONFIG=`readlink -f "../services/$SERVICE/components.ini"`
if [ ! -f "$CONFIG" ]; then
  echo "$(date "$D") [$L] : The service \"$SERVICE\" is not configured (no \"components.ini\" in \"$(dirname $CONFIG)\")"
  exit 3
fi

COMPONENT=${COMMAND:$[${#SERVICE}+1]}
if [ "$COMPONENT" = "" ]; then
  IFS_PREVIOUS=$IFS
  IFS='
'
  COMPONENTS=( $( < "$CONFIG" ) )
  IFS=$IFS_PREVIOUS
else
  COMPONENTS=(${COMPONENT})
fi

for (( i=0;i<${#COMPONENTS[@]};i++)); do
  COMPONENT=${COMPONENTS[${i}]}

  BINARY=`readlink -f "../bin/$COMPONENT"`
  if [ ! -x "$BINARY" ]; then
    echo "$(date "$D") [$L] : \"$BINARY\" does not exist or is not executable"
    exit 4
  fi

  FULL=$SERVICE/$COMPONENT
  FULL_N=${FULL//\//_}

  STOPFILE="/tmp/whispercast.$FULL_N.stop"

  CMD="$BINARY --undefok=service --service=$SERVICE --logdir=../var/log/$SERVICE --flagfile=../etc/ini/$FULL.ini"
  START="./start_ $SERVICE $COMPONENT"

  echo "$(date "$D") [$L] : Creating stop file (\"$STOPFILE\")"
  touch $STOPFILE
  echo "$(date "$D") [$L] : Killing \"$FULL\"..."
  pkill -INT -f "$CMD" > /dev/null 2>&1
  echo "$(date "$D") [$L] : Done"
  echo -n "$(date "$D") [$L] : Waiting for \"$FULL\"..."

  COUNT=0
  BUTCHERED=0
  while [ "$BUTCHERED" -eq 0 ];
  do
    while (`pgrep -f "$START" > /dev/null 2>&1` || `pgrep -f "$CMD" > /dev/null 2>&1`) && [ "$COUNT" -lt 30 ];
    do
      echo -n ".";
      sleep 1;
      COUNT=$(( $COUNT+1 ))
    done
    if `pgrep -f "$START\$" > /dev/null 2>&1` || `pgrep -f "$CMD" > /dev/null`; then
      echo
      echo "$(date "$D") [$L] : Butchering \"$FULL\" and children.."
      pkill -KILL -f "$CMD" > /dev/null 2>&1
      echo "$(date "$D") [$L] : Done";
      echo -n "$(date "$D") [$L] : Waiting for \"$FULL\"..."
      COUNT=0
    else
      BUTCHERED=1
    fi
  done

  echo
  echo "$(date "$D") [$L] : Done"
  echo "$(date "$D") [$L] : Removing stop file (\"$STOPFILE\")"
  rm -f $STOPFILE
done

popd > /dev/null