root/trunk/scripts/start

#!/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"

  echo -n "$(date "$D") [$L] : Checking if \"$FULL\" is running... "
  if ! `pgrep -f "\.\/start_ $SERVICE $COMPONENT\$" > /dev/null`; then
    echo " - not running, starting it now..."
    rm -f $STOPFILE
   ./start_ $SERVICE $COMPONENT > /dev/null 2>&1 >> "../var/log/$FULL-runner.LOG" &
    echo "$(date "$D") [$L] : Done"
  else
    echo " - already running."
  fi
done

popd > /dev/null