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File scans the computer's netowork to find ip addresses connected to it
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| #This file scans the local network of the computer for devices and ips connected to it. | |
| import socket | |
| import threading | |
| import queue | |
| import subprocess | |
| import sys | |
| host = socket.gethostname() | |
| hostIP = socket.gethostbyname(host) | |
| networkIP = '.'.join(hostIP.split('.')[:3]) + '.' | |
| pinged = 0 | |
| #Threading class adjusted from https://www.tutorialspoint.com/python/python_multithreading.htm | |
| class ScannerThread(threading.Thread): | |
| def __init__(self, threadingID, q, name): | |
| threading.Thread.__init__(self) | |
| self.threadingID = threadingID | |
| self.q = q | |
| self.name = name | |
| def run(self): | |
| global pinged | |
| while not exitFlag: | |
| queueLock.acquire() | |
| if not self.q.empty(): | |
| data = self.q.get() | |
| queueLock.release() | |
| #Ping server with IP address | |
| if subprocess.call(["ping", "-c 1", "-W 50", "{}".format(networkIP + str(data))], shell=False, stdout = subprocess.DEVNULL) == 0: | |
| queueLock.acquire() | |
| activeIP.append(networkIP + str(data)) | |
| queueLock.release() | |
| queueLock.acquire() | |
| pinged += 1 | |
| queueLock.release() | |
| else: | |
| queueLock.release() | |
| exitFlag = False | |
| threadNames = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"] | |
| work = range(256) | |
| networkQueue = queue.Queue(256) | |
| queueLock = threading.Lock() | |
| threads = [] | |
| activeIP = [] | |
| queueLock.acquire() | |
| for threadID, threadName in enumerate(threadNames): | |
| thread = ScannerThread(threadID, networkQueue, threadName) | |
| thread.start() | |
| threads.append(thread) | |
| print("Started all threads") | |
| print("Pinging IPs...") | |
| for item in work: | |
| networkQueue.put(item) | |
| queueLock.release() | |
| while pinged != 256: | |
| while not networkQueue.empty(): | |
| sys.stdout.write("\u001b[1000D") | |
| sys.stdout.write("[" + "#"*round(20*pinged/256) + " "*(20 - round(20*pinged/256)) + "]") | |
| exitFlag = True | |
| for thread in threads: | |
| thread.join() | |
| sys.stdout.write("\u001b[1000D") | |
| sys.stdout.write("[" + "#"*round(20*pinged/256) + " "*(20 - round(20*pinged/256)) + "]") | |
| print("") | |
| for ip in activeIP: | |
| try: | |
| print("{}: {}".format((socket.gethostbyaddr(ip)[0]).split('.')[0], ip)) | |
| except socket.herror: | |
| print("{}: {}".format("Unknown Host", ip)) |
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