plot wget

gcurl.py

#! /usr/bin/python

import os, sys

def readCurlData(fname):
 lines = []
 with open(fname) as f:
   for line in f:
     lines.append(line.split())
 return lines[3:]

def convertUnits(lines,c):
 converted = []
 for line in lines:
  if len(line) == 12 and not "--" in line[9]:
   # curl reports speed in bytes per second
   # curl k,M,G are x1024 not x1000
   if 'k' in line[c]:
     line[c] = str(float(line[c].replace('k','')) * 8 * 1024)
   elif 'M' in line[c]:
     line[c] = str(float(line[c].replace('M','')) * 8 * 1048576)
   elif 'G' in line[c]:
     line[c] = str(float(line[c].replace('G','')) * 8 * 1073741824)
  converted.append([line[9], line[c]])
 return converted

def writeGnuplotData(fname, lines):
 fname = fname + ".gnuplot.data"
 with open(fname, 'w') as f:
   for line in lines:
     f.write(','.join(line) + '\n')

def plot(fname):
 gp_fname = fname + ".gp"
 gpdata_fname = fname + ".gnuplot.data"
 gpavgdata_fname = fname + ".avg.gnuplot.data"
 png_fname = fname + ".png"

 f = open(gp_fname, "w")
 f.write('set output "%s"\n' % png_fname)
 f.write('set datafile separator ","\n')
 f.write('set terminal png size 900,500\n')
 f.write('set title "Download Speed"\n')
 f.write('set ylabel "Speed (Mbits/s)"\n')
 f.write('set xlabel "Time (seconds)"\n')
 f.write('set xdata time\n')
 f.write('set timefmt "%H:%M:%S"\n')
 f.write('set key outside\n')
 f.write('set grid\n')
 f.write('plot \\\n')
 f.write('"%s" using 1:($2/1e6) with points pt 7 ps 2 title "speed"' % gpdata_fname)
#f.write('\n');
 f.write(',"%s" using 1:($2/1e6) with lines lw 1 lt 1 lc 2 title "avg speed"\n' % gpavgdata_fname)
 f.close()
 os.system("gnuplot %s" % gp_fname)

if len(sys.argv) < 2:
 print "Usage: %s [curl_data_filename]" % sys.argv[0]
 exit(1)
else:
 lines = readCurlData(sys.argv[1])
 lines = convertUnits(lines,11)
 writeGnuplotData(sys.argv[1], lines)
 lines = readCurlData(sys.argv[1])
 lines = convertUnits(lines,6)
 writeGnuplotData(sys.argv[1]+".avg", lines)
 plot(sys.argv[1]) 

read.me

plot a wget transfert.
req: python, gnuplot, wget
sample:

./xcurl http://1.testdebit.info/fichiers/1000Mo.dat > curl.out
./gcurl.py curl.out

xcurl

#!/bin/bash
curl $1 -k -o /dev/null 2>&1 | tr $'\r' $'\n'