From: "Omran N." <omran_nazir@...>
Date: 2011-11-23T20:41:28+09:00
Subject: Newbie: Calling dll functions from Ruby for a customer dll

Hello,

I have searched to forum previosly but have found little in the way on
concrete examples. This might just be my inexperience hence the 'Newbie'
in the title. I want to introduce Ruby into my Python addicted office.
One way I would like to acheive that is by converting some of our useful
scripts to Ruby.

The script essentially calls a dll which was created internally long ago
by our engineers. It controlls a peice of hardware and also quesries it
based on an API which we provide. If I can quickly convert it to Ruby it
would help me to prove its worth. Please have patience with me if I am
being a bit thick here. Here is the initial crux of the code in Python
which I want to Rubify:
-------------------------------------------------------------------------

import os
import sys
import re
import time
from ctypes import *
from datetime import datetime
from threading import Thread


#Open a file for logging
AutomationLogsPath = os.getcwd()


#Open a file for logging
currentTime = time.strftime('%d.%m.%y_%H_%M_%S')
filename = AutomationLogsPath + "\\WCDMA_DATACALL" + currentTime +
".log"
fp = open(filename,"a")


#Change the current working directory to the one containing dlls.
os.chdir("C:\\Program Files\\Aeroflex\\7100\\Remote Control\\Bin")

try:
        h_rrcApi = windll.LoadLibrary('afRrcApiInterfaceDll.Dll')
        h_wcdmaApi = windll.LoadLibrary('afWCDMAApiInterfaceDll.dll')
        h_ControlLib = windll.LoadLibrary('afApplicationControlDll.Dll')
except WindowsError:
        time = datetime.now().isoformat()
        fp.write(time + "\tLoadLibrary failed to find the dll!\n")
        print "LoadLibrary failed to find the dll!\n"
        fp.close()
        exit(-1)
-------------------------------------------------------------------------

Thank you for reading this.

 Imran

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