import numpy as np
import win32com.client
import time
import timeit
from datetime import datetime
# Instantiate the client object
client = win32com.client.Dispatch('OpcLabs.EasyOpc.DataAccess.EasyDAClient')
# Perform the operation
Server_name='Matrikon.OPC.Simulation.1'
Read_Tags=['Random.Int1','Random.Int2','Random.Int4','Random.Real4','Random.Real8','Random.UInt1','Random.UInt2','Random.UInt4','Bucket Brigade.Int1','Bucket Brigade.Int2','Bucket Brigade.Int4','Bucket Brigade.Real4',
'Bucket Brigade.Real8','Bucket Brigade.UInt1','Bucket Brigade.UInt2','Bucket Brigade.UInt4','Saw-toothed Waves.Int1','Saw-toothed Waves.Int2','Saw-toothed Waves.Int4','Saw-toothed Waves.Real4','Saw-toothed Waves.Real8',
'Saw-toothed Waves.UInt1','Saw-toothed Waves.UInt2','Saw-toothed Waves.UInt4','Square Waves.Int1','Square Waves.Int2','Square Waves.Int4','Square Waves.Real4','Square Waves.Real8',
'Square Waves.UInt1','Square Waves.UInt2','Square Waves.UInt4']
Write_Tags=['Write Only.Int1','Write Only.Int2','Write Only.Int4','Write Only.Real4','Write Only.Real8','Write Only.UInt1','Write Only.UInt2','Write Only.UInt4']
print('Read\Write Tag numbers: ', len(Read_Tags),len(Write_Tags))
for i in range(1000):
	value=[]
	start1=timeit.default_timer()
	for j in range(len(Read_Tags)):
		#print(j)
		value.append(client.ReadItemValue('', Server_name, Read_Tags[j]))
	end1=timeit.default_timer()
		#value=client.ReadItemValue('', Server_name, Tags[j])
	
	#value = client.ReadItemValue('', Server_name, Tags)
	# Display results
	start2=timeit.default_timer()
	for j in range(len(Write_Tags)):
		#print(j)
		client.WriteItemValue('', Server_name,Write_Tags[j],6)
	end2=timeit.default_timer()
	print('$$$$$$ Read and Write time: ', end1-start1,end2-start2)
	#print('value: ', value)
	#time.sleep(1)

print('END')