97 lines
2.6 KiB
Python
97 lines
2.6 KiB
Python
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import subprocess
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import re
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import json
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import ipaddress
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from datetime import datetime
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from sys import hash_info
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import pprint
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def run_traceroute(host):
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result = subprocess.run(['traceroute', host], stdout=subprocess.PIPE)
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return result.stdout.decode()
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def parse_traceroute_output(output):
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lines = output.strip().split('\n')
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hops = []
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ip_regex = r"\((.*?)\)" # ipaddress are in ()
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target = output.strip().split('\n')[0].split()[2]
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for line in lines[1:]:
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hop = []
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hop_info = line.split()
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hop_number = int(hop_info[0])
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hop_name = None
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hop_ip = None
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hop_latency = None
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latencies = []
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#print("##### "+str(hop_info))
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count = 0
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for part in hop_info[1:]:
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count += 1
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# source node drops or blocks icmp packages
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# We will give funny to name to hop for not answering and move on.
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if part == '*':
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hop_name = 'hop.'+str(count)+'.'+str(target)
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break
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# If first colum is either name or ip-address
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if count == 1:
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print(part)
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match = re.search(ip_regex, part)
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if match:
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hop_ip = part.strip('()')
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else:
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print('do ever here?')
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hop_name = part
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# Second colum is ip-address first latency reading
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if count == 2:
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print(part)
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if re.search(ip_regex, part):
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try:
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_ip = ipaddress.ip_address(part.strip('()'))
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hop_ip = part.strip('()')
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except ValueError:
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pass # Ignore if it's not a valid IP address
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# Rest of the input colums are either latency floats, 'ms' or
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# reruns of the hop_name and hop_ip...
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# We only need the latency floats anymore.
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else:
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print(part)
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try:
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latency = float(part)
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latencies.append(latency)
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except ValueError:
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pass
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hop_latency = sum(latencies) / len(latencies) if latencies else None
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hop.append(hop_number)
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if not hop_name == None:
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hop.append(hop_name)
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hop.append(hop_ip)
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hop.append(hop_latency)
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hops.append(hop)
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return target, hops
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if __name__ == '__main__':
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target='8.8.8.8'
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traceroute_output = run_traceroute(target)
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target, hops = parse_traceroute_output(traceroute_output)
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print('>> '+target)
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pprint.pprint(hops)
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