import sys
sys.path.append('lib')

import math
import time

from pyrrd.rrd import DataSource, RRA, RRD

filename = 'test.rrd'
dataSources = []
roundRobinArchives = []
dataSource = DataSource(
    dsName='speed', dsType='GAUGE', heartbeat=2)
dataSources.append(dataSource)
roundRobinArchives.append(RRA(cf='AVERAGE', xff=0.5, steps=3, rows=200))
roundRobinArchives.append(RRA(cf='AVERAGE', xff=0.5, steps=10, rows=60))

time_val = float(time.time())

myRRD = RRD(
    filename, ds=dataSources, step=1, rra=roundRobinArchives, start=time_val)

myRRD.create()

for i in range(0,360):
	myRRD.bufferValue(time_val + i, math.sin(i*0.10471975512))
	print(i)
	
myRRD.update()

#myRRD.info()
print(myRRD.fetch(start = time_val, end=time_val+300))