forked from Archive/PX4-Autopilot
52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
#!/usr/bin/env python3
|
|
|
|
"""
|
|
Converts IP address given in decimal dot notation to int32 to be used in XRCE_DDS_0_CFG parameter
|
|
and vice-versa
|
|
|
|
@author: Beniamino Pozzan (beniamino.pozzan@phd.unipd.it)
|
|
"""
|
|
|
|
|
|
import argparse
|
|
|
|
parser = argparse.ArgumentParser(
|
|
prog = 'convert_ip',
|
|
description = 'converts IP to int32 and viceversa'
|
|
)
|
|
parser.add_argument('input',
|
|
type=str,
|
|
help='IP address to convert')
|
|
parser.add_argument('-r','--reverse',
|
|
action='store_true',
|
|
help='converts from int32 to dot decimal')
|
|
|
|
args = parser.parse_args()
|
|
|
|
if( args.reverse == False ):
|
|
|
|
try:
|
|
ip_parts = [int(x) for x in args.input.split('.')]
|
|
except:
|
|
raise ValueError("Not a valid IP")
|
|
if( len(ip_parts)!=4 ):
|
|
raise ValueError("Not a valid IP")
|
|
if( not all(x>=0 and x<255 for x in ip_parts) ):
|
|
raise ValueError("Not a valid IP")
|
|
|
|
ip = (ip_parts[0]<<24) + (ip_parts[1]<<16) + (ip_parts[2]<<8) + ip_parts[3]
|
|
|
|
if(ip & 0x80000000):
|
|
ip = -0x100000000 + ip
|
|
|
|
print(ip)
|
|
|
|
else:
|
|
try:
|
|
ip = int(args.input)
|
|
except:
|
|
raise ValueError("Not a valid IP")
|
|
if(ip < 0):
|
|
ip = ip + 0x100000000
|
|
print('{}.{}.{}.{}'.format(ip>>24, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff))
|