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