273 lines
		
	
	
	
		
			6.8 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			273 lines
		
	
	
	
		
			6.8 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
#!/bin/bash
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#starting with define of stream getter functions
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#for all funcions: $1 = stream, $2 = time to download
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function flvGetter {
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  curl -s -m $2 $1 2> /dev/null | MistAnalyserFLV -D 0 -g 0 -V -T $2 2> /dev/null
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}
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function hlsGetter {
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  MistAnalyserHLS -D 0 -g 0 -V -T $2 $1 2>/dev/null
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}
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function oggGetter {
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  curl -s -m $2 $1 | MistAnalyserOGG -D 0 -g 0 -V -T $2
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}
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function dashGetter {
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  MistAnalyserDASH -D 0 -g 0 -V -T $2 $1 2>/dev/null
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}
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function tsGetter {
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  curl -s -m $2 $1 2> /dev/null | MistAnalyserTS -D 0 -g 0 -T $2 -V - 2>/dev/null
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}
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function rtmpGetter {
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  #$rtmpGetter ignores $2, because rtmpdump has no time setting
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  #rtmpdump is ended with killall in parent function
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  rtmpdump -qRr $1 -o - 2> /dev/null | MistAnalyserFLV -g 0 -D 0 -V -T $2 2> /dev/null
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}
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function serverTest {
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  rm /tmp/res*_*
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  #this functions creates a csv file with all statistics during the tests
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  #$1 = number of stream batches
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  #$2 = amount of streams per batch (amount of streams = $! * $2)
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  #$3 = current stream test
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  #$4 = duration of test in seconds
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  #$5 = getter used for stream testing
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  #$6 = Output basename
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  echo "Test variables:" > $6.info
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  echo "Start time: `date`" >> $6.info
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  echo "Client count: `echo "$1 * $2" | bc`" >> $6.info
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  echo "Batch Size: $2" >> $6.info
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  echo "Stream URL: $3"  >> $6.info
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  echo "Duration: $4 seconds" >> $6.info
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  val="none"
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  if [ -n "$5" ] ; then
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    echo "Validator: $5" >> $6.info
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    val="$5"
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  fi
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  getter="${val}Getter"
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  #starting all tests
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  prefix="res"`date +%s`_
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  for x in `seq 1 1 $1`; do
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    for y in `seq 1 1 $2`; do
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      eval "$getter $3 $4" >& /tmp/$prefix`echo "$x * $2 + $y" | bc`.txt &
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    done
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    sleep 1
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  done
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  start=`date +%s`
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  f=$(( `date +%s` - $start ))
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  while [ $f -lt $4 ]; do
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    sleep 2
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    f=$(( `date +%s` - $start ))
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  done
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  if [ "$val" == "rtmp" ] ; then
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    killall rtmpdump
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  fi
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  #wait 20 seconds after terminating
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  start=`date +%s`
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  f=$(( `date +%s` - $start ))
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  while [ $f -lt 20 ]; do
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    sleep 2
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    f=$(( `date +%s` - $start ))
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  done
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  cat /tmp/$prefix* > $6.times
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  wait
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}
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#setting default values
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declare -a timegroup
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declare -a request
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declare -a stream
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if [ $# -eq 0 ] ; then
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  echo "Usage: $0 -t duration_in_seconds -b 'batchcount clients_per_batch' -m stream_url";
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  echo "Duration defaults to 60 seconds if not given";
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  echo "Batch defaults to '1 100' if not given (1 batch of 100 clients)";
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  echo "Stream URL is the only mandatory field"
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  exit 1;
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fi
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#parsing arguments
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red=1
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while [ $red -le $# ]; do
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  case ${!red} in
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    "-t") #defines timelengths for tests
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      red=$(( $red + 1 ))
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      timegroup+=( ${!red} )
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    ;;
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    "-b") #defines user batches for tests (must be in format "batchamount batchsize")
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      red=$(( $red + 1 ))
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      request+=( "${!red}" )
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    ;;
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    "-m") #defines a media stream and validator
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      red=$(( $red + 1 ))
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      stream+=( "${!red}" )
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    ;;
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    *)
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  esac
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  red=$(( $red + 1 ))
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done
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#determining validators
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for (( i=0; i<${#stream[@]}; i++ )) ; do
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  if [ "${stream[$i]:0:4}" == "rtmp" ]; then
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    validator[$i]="rtmp"
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  elif [ "${stream[$i]:0:2}" == "ws" ]; then
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    validator[$i]="rtc"
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  else
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    tempFile=$(basename "${stream[$i]}")
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    tempExt="${tempFile##*.}"
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    case $tempExt in
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    "flv")
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      validator[$i]="flv"
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    ;;
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    "ogg")
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      validator[$i]="ogg"
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    ;;
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    "m3u8")
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      validator[$i]="hls"
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    ;;
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    "m3u")
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      validator[$i]="hls"
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    ;;
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    "mpd")
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      validator[$i]="dash"
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    ;;
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    "ts")
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      validator[$i]="ts"
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    ;;
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    "mkv")
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      validator[$i]="ebml"
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    ;;
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    *)
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      validator[$i]="generic"
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    esac
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  fi
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done
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if [ ${#request[@]} == 0 ]; then
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  request=( "1 100" )
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fi
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if [ ${#timegroup[@]} == 0 ]; then
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  timegroup=( 60 )
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fi
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#making directory for test
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temp="loadtest`date +%y%m%d%H%M%S`"
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mkdir $temp
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#starting test
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for (( i=0; i<${#stream[@]}; i++ )) ; do
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  for (( p=0; p<${#timegroup[@]}; p++ )) ; do
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    for (( o=0; o<${#request[@]}; o++ )) ; do
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      tnr=` echo "$i * ${#timegroup[@]} * ${#request[@]} + $o * ${#timegroup[@]} + $p" | bc `
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      name=$temp"/run"
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      if [ $tnr -lt 100 ] ; then
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        name="${name}0"
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      fi
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      if [ $tnr -lt 10 ] ; then
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        name="${name}0"
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      fi
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      amount=`echo ${request[$o]} | sed -e 's/ /*/g' | bc`
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      name="${name}${tnr}_${amount}_${validator[$i]}_${timegroup[$p]}"
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      echo "$name testing ${request[$o]} batches on ${stream[$i]} for ${timegroup[$p]} seconds using validator ${validator[$i]}"
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      serverTest ${request[$o]} ${stream[$i]} ${timegroup[$p]} ${validator[$i]} $name
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    done
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  done
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done
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FOLDER=$temp
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LABEL=$temp
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T="pngcairo size 1000,600 enhanced font \"LiberationSerif,20\""
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EXT=png
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#T="pdfcairo"
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#EXT=pdf
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function runplot {
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  for R in `seq -w 0 100`; do
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    FLDS=( $1 )
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    NAMS=( $2 )
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    FN=`ls ${FLDS[0]}/run${R}_*.times 2> /dev/null`
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    if [ -z $FN ] ; then
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      return
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    fi
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    FILE=`basename $FN`
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    FN=`ls ${FLDS[0]}/run${R}_*.times 2> /dev/null`
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    TIMES=`basename $FN`
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    VIEWERS=`echo $FILE | cut -d '_' -f 2`
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    TECH=`echo $FILE | cut -d '_' -f 3`
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    SECS=`echo $FILE | cut -d '.' -f 1 | cut -d '_' -f 4`
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    TIME=$(( $SECS / 60 ))m
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    FILES=()
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    TIME_FN=()
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    for i in `seq $(( ${#FLDS[@]} - 1 )) -1 0`; do
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      FN=`ls ${FLDS[$i]}/run${R}_*.times 2> /dev/null`
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      if [ -z $FN ] ; then
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        return
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      fi
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      FILES[$i]="${FLDS[$i]}/`basename $FN`"
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      FN=`ls ${FLDS[$i]}/run${R}_*.times 2> /dev/null`
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      TIME_FN[$i]="${FLDS[$i]}/`basename $FN`"
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    done
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    COMMON_DATA="${TIME}, ${VIEWERS} ${TECH}"
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    COMMON_FILENAME="${TECH}_${VIEWERS}_${TIME}"
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    PLOT5=""
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    for i in `seq $(( ${#FLDS[@]} - 1 )) -1 0`; do
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      if [ -n "${PLOT5}" ] ; then
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        PLOT5="${PLOT5}, "
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      fi
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      sort --field-separator=',' --key=4g < "${TIME_FN[$i]}" > "${TIME_FN[$i]}_sorted"
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      VC=`cut -f 4 -d ',' < "${TIME_FN[$i]}" | awk "(int(\\\$1) >= ${SECS}000-2000) {sum++} END{print sum}"`
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      SC=`cut -f 4 -d ',' < "${TIME_FN[$i]}" | awk "(int(\\\$1) >= ${SECS}000-10000) {sum++} END{print sum}"`
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      #and buffer times. Smoothing makes no sense here. Don't.
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      PLOT5="${PLOT5}'${TIME_FN[$i]}_sorted' using (\$4-${SECS}000)/1000 with linespoints lw 1 title '${VC} good, ${SC} acceptable'"
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    done
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    gnuplot << EOF
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set terminal ${T}
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set datafile separator ","
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set key on under center
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#set style fill solid 0.25 border -1
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#set style boxplot outliers pointtype 7
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#set style data boxplot
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#set boxwidth  0.5
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set pointsize 0.2
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set arrow from 0,-2 to ${VIEWERS}-1,-2 nohead
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set title "Available buffer time, ${COMMON_DATA} clients"
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set output '${FOLDER}/${COMMON_FILENAME}_buffers.${EXT}'
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set format y "%gs"
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set ylabel "Buffer (under black line = success)"
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set xlabel "Each point represents a single connection"
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unset xtics
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set yr [${SECS}:-5]
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plot ${PLOT5}
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EOF
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    for i in `seq $(( ${#FLDS[@]} - 1 )) -1 0`; do
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      rm -f "${FLDS[$i]}/${TIMES}_sorted"
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    done
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  done
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}
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runplot "$LABEL" "$FOLDER"
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