OS="LINUX"
TMP_ROOT="/tmp"
TXT_READER=more
CAT_LOG=no

if [ x"$PVRHWPERF_TMP" != x ]; then
  if [ -d "$PVRHWPERF_TMP" ]; then
    TMP_ROOT="$PVRHWPERF_TMP"
  fi
fi

if [ -x "/system/bin/logcat" ]; then
  OS="ANDROID"
  BIN_DIR=/system/vendor/bin
  TMP_ROOT="/temp"
  TXT_READER=cat
fi

TLD_RET=
EXEC_LINE=""
H2J_NAME="hwperfbin2jsont"

# PARAMETERS PARSING
for argument in "$@"
do
  case "$argument" in
    -t)  EXEC_LINE=$H2J_NAME
         OUT_JSON_FILE_TMP="hwperf.json"
         OUT_JSON_FILE="./hwperf.json"
        ;;
    -rt) EXEC_LINE="$H2J_NAME $ -raw" 
         OUT_JSON_FILE_TMP="hwperf.raw.json"
         OUT_JSON_FILE="./hwperf.raw.json"
        ;;
    -c)  CAT_LOG=yes ;;
    -h)  echo "+-----------------------------------------------------------------------------+"
         echo "| pvrhwperf : run pvrtld (Transport Layer Daemon) for gathering HWPerf data"
         echo "+-----------------------------------------------------------------------------+"
         echo "| Usage:"
         echo "|     -t  : Call hwperfbin2jsont (if present), to process the generated "
         echo "|           hwperf.bin output file, after pvrtld end."
         echo "|     -rt : Call hwperfbin2jsont, adding the -raw parameter, to process the "
         echo "|           generated hwperf.bin output file, after pvrtld end."
         echo "|     -c  : Prints the log file to the std output just after pvrtld execution."
         echo "|     -h  : Print this message."
         echo "+-----------------------------------------------------------------------------+"
         exit 0
        ;;
    *)  echo "[Error] Argument '$argument' not recognized." 
        echo "        Run '$0 -h' for more information."; exit 1 ;;
  esac
done


# ENVIRONMENT CHECK
if [ x"$OS" = xANDROID ]; then
  TLD_BIN="$BIN_DIR/pvrtld"
  H2J_BIN="$BIN_DIR/$H2J_NAME"
else
  TLD_BIN="`which \"pvrtld\"`"
  H2J_BIN="`which \"$H2J_NAME\"`"
fi

if [ ! -f "$TLD_BIN" ]; then 
  echo "[Error] pvrtld not found"
  exit 1
fi

if [ x"$EXEC_LINE" != x ]; then
  if [ ! -f "$H2J_BIN" ]; then 
    echo "[Error] hwperfbin2jsont not found"
    exit 1
  fi
fi

# ENVIRONMENT VARIABLES
WORK_DIR="$TMP_ROOT/hwperf/`date +%s`" 
OUT_JSON_FILE_TMP="$WORK_DIR/$OUT_JSON_FILE_TMP"
CFG_FILE=$WORK_DIR/"tld.conf"
LOG_FILE=$WORK_DIR/"tld.log"
OUT_FILE_TMP=$WORK_DIR/"hwperf.bin"
OUT_FILE="./hwperf.bin"
PVR_DBG_LEVEL_OLD="$PVRDebugLevel"
export PVRDebugLevel=0x00

# ENVIRONMENT SETUP
# - Create working directory
mkdir -p $WORK_DIR

# - Create configuration file
echo "
[pvrtld]
output_folder_name=$WORK_DIR
omit_header=yes
output_file_save_previous=yes

[hwperf]
enabled=yes
wait_for_stream=yes
" > $CFG_FILE

# - Add the post processing command if the tool exists
if [ x"$H2J_BIN" = x ] || [ x"$EXEC_LINE" = x ]; then 
echo "" >> $CFG_FILE
else
echo "exec=\"$EXEC_LINE\"" >> $CFG_FILE
fi

# EXECUTION
echo "+-----------------------------------------------------------------------------+"
echo "| Starting capture of HWPerf data..."
echo "+-----------------------------------------------------------------------------+"
echo "| Using these temporary files:"
echo "| - TLDaemon configuration file:     $CFG_FILE"
echo "| - TLDaemon log file:               $LOG_FILE"
echo "| - HWPerf binary file:              $OUT_FILE_TMP"
if [ x"$H2J_BIN" = x ] || [ x"$EXEC_LINE" = x ]; then 
  echo "| - No JSON output selected"
else
  echo "| - HWPerf raw json file:            $OUT_JSON_FILE_TMP"
  echo "| - JSON conversion log file:        $LOG_FILE"
fi
echo "+-----------------------------------------------------------------------------+"

$TLD_BIN -f=$CFG_FILE -q -s 2> $LOG_FILE
TLD_RET=$?

# LAST MESSAGES
if [ "$TLD_RET" -ne "0" ]; then
  echo "+-----------------------------------------------------------------------------+"
  echo "| Capture process exited with error code $TLD_RET"
elif [ -f $OUT_FILE_TMP ]; then
  echo "+-----------------------------------------------------------------------------+"
  echo "| Data captured, files moved to CWD."
  mv $OUT_FILE_TMP $OUT_FILE
  if [ -f $OUT_JSON_FILE_TMP ]; then
    mv $OUT_JSON_FILE_TMP $OUT_JSON_FILE
  fi
else
  echo "+-----------------------------------------------------------------------------+"
  echo "| No data captured, binary file does not exist." 
fi

# Give time for the Log file to be flushed to disk
sync
if [ "$CAT_LOG" = "yes" ]; then
  echo "+-----------------------------------------------------------------------------+"
  echo "| TLDaemon debug log file..."
  echo "| $TXT_READER $LOG_FILE"
  echo "+-----------------------------------------------------------------------------+"
  $TXT_READER $LOG_FILE
fi
echo "+-----------------------------------------------------------------------------+"

export PVRDebugLevel=$PVR_DBG_LEVEL_OLD