mistserver/scripts/loadTestSimple

#!/bin/bash

#starting with define of stream getter functions
#for all funcions: $1 = stream, $2 = time to download
function genericGetter {
  echo filesize `curl -s -m $2 $1| wc -c` 1>&2
}

function flvGetter {
  curl -s -m $2 $1 2> /dev/null | ../MistAnalyserFLV -m validate 2> /dev/null
}

function hlsGetter {
  ../MistAnalyserHLS -m validate -a $2 $1 2>/dev/null
}

function oggGetter {
  curl -s -m $2 $1 | ../MistAnalyserOGG -m validate
}

function dashGetter {
  ../MistAnalyserDASH -m validate -a $2 $1 2>/dev/null
}

function rtmpGetter {
  #$rtmpGetter ignores $2, because rtmpdump has no time setting
  #rtmpdump is ended with killall in parent function
  rtmpdump -qRr $1 -o - 2> /dev/null | ../MistAnalyserFLV -m validate 2> /dev/null
}

function serverTest {
  rm /tmp/res*_*
  #this functions creates a csv file with all statistics during the tests
  #$1 = number of stream batches
  #$2 = amount of streams per batch (amount of streams = $! * $2)
  #$3 = current stream test
  #$4 = ssh access to server where our log file is located
  #$5 = duration of test in seconds
  #$6 = location of log file on server
  #$7 = getter used for stream testing
  #$8 = Extra comments added to .csv file
  #$9 = Output basename
  echo "Test variables:" > $9.info
  echo "Start time: `date`" >> $9.info
  echo "Client count: `echo "$1 * $2" | bc`" >> $9.info
  echo "Batch Size: $2" >> $9.info
  echo "Stream URL: $3"  >> $9.info
  echo "Duration: $5 seconds" >> $9.info
  val="none"
  logdir="$6"
  if [ -n "$7" ] ; then
    echo "Validator: $7" >> $9.info
    val="$7"
  fi
  
  getter="${val}Getter"
  #starting all tests
  prefix="res"`date +%s`_
  for x in `seq 1 1 $1`; do
    for y in `seq 1 1 $2`; do
      eval "$getter $3 $5" >& /tmp/$prefix`echo "$x * $2 + $y" | bc`.txt &
    done
    sleep 1
  done
  
  start=`date +%s`
  f=$(( `date +%s` - $start ))
  while [ $f -lt $5 ]; do
    sleep 2
    f=$(( `date +%s` - $start ))
  done
  if [ "$val" == "rtmp" ] ; then
    killall rtmpdump
  fi
  #wait 20 seconds after terminating
  start=`date +%s`
  f=$(( `date +%s` - $start ))
  while [ $f -lt 20 ]; do
    sleep 2
    f=$(( `date +%s` - $start ))
  done
  cat /tmp/$prefix* > $9.times
  wait
}


#setting default values
server="localhost"
comment=""
logdir="`pwd`"
freshBoot="y"
product="mistserver"
declare -a timegroup
declare -a request
declare -a stream

#parsing arguments
red=1
while [ $red -le $# ]; do
  case ${!red} in
    "-s") #defines server
      red=$(( $red + 1 ))
      server=${!red}
    ;;
    "-l") #defines directory on the server with the capabilities log
      red=$(( $red + 1 ))
      logdir=${!red}
    ;;
    "-t") #defines timelengths for tests
      red=$(( $red + 1 ))
      timegroup+=( ${!red} )
    ;;
    "-b") #defines user batches for tests (must be in format "batchamount batchsize")
      red=$(( $red + 1 ))
      request+=( "${!red}" )
    ;;
    "-c") #add a comment
      red=$(( $red + 1 ))
      comment=${!red}
    ;;
    "-m") #defines a media stream and validator
      red=$(( $red + 1 ))
      stream+=( "${!red}" )
    ;;
    "-p") #defines the product to be tested, default is mistserver
      red=$(( $red + 1 ))
      product=${!red}
    ;;
    "-fresh")
      freshBoot="x"
    ;;
    *)
      comment=`echo $comment ${!red}`
  esac
  red=$(( $red + 1 ))
done

#determining validators
for (( i=0; i<${#stream[@]}; i++ )) ; do
  if [ "${stream[$i]:0:4}" == "rtmp" ]; then
    validator[$i]="rtmp"
  else
    tempFile=$(basename "${stream[$i]}")
    tempExt="${tempFile##*.}"
    case $tempExt in
    "flv")
      validator[$i]="flv"
    ;;
    "ogg")
      validator[$i]="ogg"
    ;;
    "m3u8")
      validator[$i]="hls"
    ;;
    "m3u")
      validator[$i]="hls"
    ;;
    "mpd")
      validator[$i]="dash"
    ;;
    *)
      validator[$i]="generic"
    esac
  fi
done

if [ ${#request[@]} == 0 ]; then
  request=( "1 1000" )
fi

if [ ${#timegroup[@]} == 0 ]; then
  timegroup=( 60 )
fi

#making directory for test
temp="$product"`date +%y%m%d%H%M%S`
mkdir $temp

#starting test
for (( i=0; i<${#stream[@]}; i++ )) ; do
  for (( p=0; p<${#timegroup[@]}; p++ )) ; do
    for (( o=0; o<${#request[@]}; o++ )) ; do
      tnr=` echo "$i * ${#timegroup[@]} * ${#request[@]} + $o * ${#timegroup[@]} + $p" | bc `
      name=$temp"/run"
      if [ $tnr -lt 100 ] ; then
        name="${name}0"
      fi
      if [ $tnr -lt 10 ] ; then
        name="${name}0"
      fi
      amount=`echo ${request[$o]} | sed -e 's/ /*/g' | bc`
      name="${name}${tnr}_${amount}_${validator[$i]}_${timegroup[$p]}"
      echo "$name ${request[$o]} ${stream[$i]} $server ${timegroup[$p]} ${validator[$i]}"
      serverTest ${request[$o]} ${stream[$i]} $server ${timegroup[$p]} $logdir ${validator[$i]} "$comment" $name
    done
  done
done

./plotDieShit $temp