#!/usr/bin/python
import httplib
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("method",default="GET",nargs='?')
parser.add_argument("path",default="/",nargs='?')
parser.add_argument("body",default="body",nargs='?')
parser.add_argument("ip",default="127.0.0.1:9000",nargs='?')
args=parser.parse_args()
connection =  httplib.HTTPConnection(args.ip)
connection.request(args.method, args.path, args.body)
response= connection.getresponse().read()

import xml.etree.ElementTree as ET
import sys
root = ET.fromstring(response)
try:
	signal= root.find("signal").text
except AttributeError:
	print "Error: no data found. check node ID"
	sys.exit(0)

o1 =signal.split(",")
x=[]
y=[]
for item in o1:
	op=[]
	o2 = item.split()
	for s in o2:
		op.append(float(s))
	if len(o2) > 1:
		x.append(float(o2[0]))
		y.append(float(o2[1]))

import matplotlib.pyplot as plt
plt.plot(x,y)
plt.ylabel('signal')
plt.xlabel('time')
plt.title(args.path)
plt.show()

#print response
#connection =  httplib.HTTPConnection('54.228.219.55:80')
#connection =  httplib.HTTPConnection('127.0.0.1:9000')