#!/bin/sh
. /etc/utils.sh

set -e

. $(dirname $0)/Config.sh
. $(dirname $0)/utils.sh

error=

cleanup()
{
  :
}

disktest()
{
  # disk may not be formatted
  sata_blkdev=$(find_sata_blkdev)

  if [ -z "$sata_blkdev" ]; then
    error="Cannot find hard drive"
    return 1
  fi

  # run dd non-destuctive read test with several block sizes
  for bs in 32 64 128 256; do
    bytes=$(($bs * 1024))
    count=$((100 * 1024 * 1024 / $bytes))
    dd=$(dd bs=$bytes count=$count if=$sata_blkdev of=/dev/null 2>&1)
    echo $dd
    bps=${dd##*(}
    bps=${bps%% *}
    mibps=$(($bps / 1024 / 1024))
    result="$result ${bs}k->${mibps}MiB/s"
    if [ "$mibps" -lt $disk_min_mibps ]; then
      error="${mibps}MiB/s is less than required ${disk_min_mibps}MiB/s"
      return 1
    fi
  done
}

type=$1

case "$1" in
  diag | quick)
    if disktest; then
      echo PASS $result
    else
      echo FAIL "$error"
    fi
    ;;
  *)
    echo "Usage: $0 {diag|quick}"
    exit 1
esac