ethernet_test.py

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#!/usr/bin/env python
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##\author Jeremy Leibs

import roslib
roslib.load_manifest('qualification')

from pr2_self_test_msgs.srv import *

import rospy 

NAME = 'ethernet'

import os
import sys
from StringIO import StringIO

def ethernet_test():
    rospy.init_node(NAME)
    
    name = rospy.myargv()[1]
    ip = rospy.myargv()[2]
    
    res = os.popen('ping -f -q -w 1 -s 32768 %s' % (ip)).readlines()

    r = TestResultRequest()
    r.plots = []
    
    if (len(res) > 1):
        tran = float(res[3].split()[0])
        recv = float(res[3].split()[3])
        
        r.html_result = r.html_result + '<p>Flood Ping Transmitted: %f</p>'%(tran)
        r.html_result = r.html_result + '<p>Flood Ping Received: %f</p>'%(recv)

        if ((tran - recv) <= 2):
          res = os.popen('netperf -H %s -t UDP_STREAM -l 1' % (ip)).readlines()

          speed = float(res[6].split()[3])
          speed_str = ''
          
          r.result = TestResultRequest.RESULT_PASS
          
          if (speed > 750):
            speed_str = 'Gigabit'
          elif (speed > 100):
            speed_str = 'Gigabit (slow)'
            r.result = TestResultRequest.RESULT_FAIL
          elif (speed > 75):
            speed_str = '100 Megabit'
            r.result = TestResultRequest.RESULT_HUMAN_REQUIRED
          elif (speed > 10):
            speed_str = '100 Megabit (slow)'
            r.result = TestResultRequest.RESULT_FAIL
          else:
            speed_str = '< 10 Megabit'
            r.result = TestResultRequest.RESULT_FAIL
          
          r.text_summary = speed_str
          r.html_result = r.html_result + '<p>Speed: %f (%s).</p>'%(speed, speed_str)
        else:
          r.text_summary = 'Too many packets lost.'
          r.html_result = r.html_result + '<p>Too many packets lost.</p>'
    else:
      r.text_summary = 'Running ping failed.'
      r.html_result = r.html_result + '<p>Running ping failed!</p>'
    
    # block until the test_result service is available
    rospy.wait_for_service('test_result')
    result_service = rospy.ServiceProxy('test_result', TestResult)
    result_service.call(r)

if __name__ == "__main__":
    ethernet_test()