#! /bin/sh
# PCP QA Test No. 252
# pmlogger with its new formats for -s and -T stopping conditions
#
# Copyright (c) 1995-2002 Silicon Graphics, Inc.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard filters
. ./common.product
. ./common.filter

status=1	# failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15

pmdumplog='pmdumplog'
pmlogger='pmlogger'
SECS_TOL=2	# number of seconds tolerance
BYTES_TOL=1000	# number of bytes tolerance
#debug=1	# give extra debugging info

#
_clean_archive()
{
rm -f $tmp.log $tmp.0 $tmp.index $tmp.meta
}

# Is given value within tolerance of expected value
_tolerance()
{
  expected=$1
  given=$2
  tolerance=$3
  upper_limit=`expr $expected + $tolerance`
  [ $expected -le $given -a $given -le $upper_limit ]
}

_num_recs()
{
  num_recs=`$pmdumplog $tmp | grep -E -c '^[0-9][0-9]:[0-9][0-9]:'`
  # subtract 1 for the prologue and 1 for the epilogue
  num_recs=`expr $num_recs - 2`
  [ $debug ] && echo "found $num_recs samples after the prologue+epilogue"
}

_test_sample_size()
{
  size_arg=$1
  $pmlogger -s $size_arg -c $tmp.config -l $tmp.log $tmp

  _num_recs
  echo "Expected log sample size: $size_arg"
  echo "Actual log sample size:   $num_recs"
 _clean_archive
}

_test_file_size_old()
{
  size_arg=$1
  num_bytes=$2	# bytes version of size_arg
  $pmlogger -s $size_arg -c $tmp.config -l $tmp.log $tmp
  if [ -f $tmp.0 ]
  then
    actual_size=`ls -l $tmp.0 | $PCP_AWK_PROG ' {print $5} '`
  else
    actual_size=-1
  fi
  echo "Expected log size of approx: $size_arg"
  [ $debug ] && echo "Actual log size:             $actual_size bytes"
  if _tolerance $num_bytes $actual_size $BYTES_TOL
  then
    echo "Log size is within tolerance"
  else
    echo "Log size is outside tolerance ($actual_size bytes)"
  fi
 _clean_archive
}

# Find out number of records, n,  for given size
# Then make sure for (n-1) records that the size is smaller
_test_file_size()
{
  size_arg=$1
  num_bytes=$2	# bytes version of size_arg
  $pmlogger -r -s $size_arg -c $tmp.config -l $tmp.log $tmp
  if [ -f $tmp.0 ]
  then
    bigger_size=`ls -l $tmp.0 | $PCP_AWK_PROG ' {print $5} '`
    # need to subtract the size of the epilgoue pmResult that
    # pmlogger adds _after_ the size limit is hit ...
    #
    epilogue_size=`pmdumplog -s $tmp | sed -n '/ bytes]/{
s/ .*//
s/\[//p
}' | tail -1`
    bigger_size=`expr $bigger_size - $epilogue_size`
  else
    bigger_size=-1
  fi
  _num_recs
  echo "_test_file_size: $1: first pass num_recs=$num_recs" >>$seq_full
  echo "bigger_size=$bigger_size (epilogue_size=$epilogue_size)" >>$seq_full
  ls -l $tmp.0 >>$seq_full
  cat $tmp.log >>$seq_full
  num_recs=`expr $num_recs - 1`
  if [ $num_recs -gt 0 ]
  then
    _clean_archive
    $pmlogger -r -s $num_recs -c $tmp.config -l $tmp.log $tmp
    echo "_test_file_size: $1: second pass ..." >>$seq_full
    ls -l $tmp.0 >>$seq_full
    cat $tmp.log >>$seq_full
    if [ -f $tmp.0 ]
    then
      smaller_size=`ls -l $tmp.0 | $PCP_AWK_PROG ' {print $5} '`
      # need to subtract the size of the epilgoue pmResult that
      # pmlogger adds _after_ the size limit is hit ...
      #
      epilogue_size=`pmdumplog -s $tmp | sed -n '/ bytes]/{
s/ .*//
s/\[//p
}' | tail -1`
      smaller_size=`expr $smaller_size - $epilogue_size`
    else
      smaller_size=-1
    fi
  else
    smaller_size=-1
  fi
  [ $debug ] && echo "Range: $smaller_size .. $bigger_size"
  if [ $smaller_size -le $num_bytes -a $num_bytes -le $bigger_size ]
  then
    echo "Log size for $size_arg is correct"
  else
    echo "$num_bytes is not within range $smaller_size - $bigger_size"
  fi
  _clean_archive
}

_time_me ()
{
    # return time in seconds
    #
    # /usr/bin/time IS bloody important - dont port-sh it. EVER!
    /usr/bin/time $* 2>&1 >/dev/null | \
	if [ $PCP_PLATFORM = linux ]
	then
	    # 0.00user 0.00system 0:00.00elapsed 0%CPU (0avgtext+0avgdata 2752maxresident)k
	    tr ' ' "\n" | $PCP_AWK_PROG '/elapsed$/ { sub("elapsed", "", $1);
			                               split ($1,tt,"[:.]");
			                               print (tt[1]*60)+tt[2];}'
	elif [ $PCP_PLATFORM = darwin -o $PCP_PLATFORM = openbsd ]
	then
	    #         0.00 real         0.00 user         0.00 sys
	    $PCP_AWK_PROG '{print $1}' | sed -e 's/\..*//'
	else
	    # real        0.0
	    # user        0.0
	    # sys         0.0
	    $PCP_AWK_PROG '/^real/ {print $2}' | sed -e 's/\..*//'
	fi
}

# Note: size arg should be given in secs for comparison with /usr/bin/time
_test_time_size()
{
  size_arg=$1
  num_secs=$2	# secs version of size_arg
  time=`_time_me $pmlogger -s $size_arg -c $tmp.config -l $tmp.log $tmp`
  [ -z "$time" ] && time=-1
  echo "Expected time size of: $size_arg"
  [ $debug ] && echo "Actual time : $time"
  if _tolerance $num_secs $time $SECS_TOL
  then
    echo "Log time is within tolerance"
  else
    echo "Log time is outside tolerance - $time secs"
  fi
 _clean_archive
}



# Note: size arg should be given in secs for comparison with /usr/bin/time
_test_time_end()
{
  size_arg=$1
  num_secs=$2	# secs version of size_arg
  time=`_time_me $pmlogger -T $size_arg -c $tmp.config -l $tmp.log $tmp`
  [ -z "$time" ] && time=-1
  echo "Expected time size of: $size_arg"
  [ $debug ] && echo "Actual time : $time"
  if _tolerance $num_secs $time $SECS_TOL
  then
    echo "Log time is within tolerance"
  else
    echo "Log time is outside tolerance - $time secs"
  fi
 _clean_archive
}

# real QA test starts here


# Create a simple configuration file for testing
# Note: it is really important that these metrics produce _exactly_
#       the same size pmResult each time; so no dynamic indoms and
#       no string values other than ones with a constant length
#
cat <<EOF >$tmp.config
# pmlogger(1) configuration file for doing QA tests
#
log mandatory on 100 msec {
    sample.control
    sample.milliseconds
    sample.load
    sample.colour
    sample.bin
    sample.bucket
    sample.longlong
    sample.step
    sample.write_me
    sample.magnitude
    sample.pdu
    sample.recv_pdu
    sample.xmit_pdu
    sample.noinst
}
EOF

# Test out -s
_test_file_size 4000bytes 4000
_test_file_size 4K 4096
_test_file_size 4194B 4194
_test_sample_size 2
_test_time_size 3secs 3

# Test out -T
_test_time_end 3secs 3

# success, all done
status=0
exit