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# -*- coding: utf-8 -*-
#
# AWL simulator - Networking utils
#
# Copyright 2016 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
#from awlsim.common.cython_support cimport * #@cy
from awlsim.common.compat import *
from awlsim.common.exceptions import *
def parseNetAddress(addrStr):
"""Parse a host:port networking address string.
"""
addrStr = addrStr.strip()
if addrStr.startswith("["):
end = addrStr.rfind("]")
if end <= 0:
raise AwlSimError("Invalid IPv6 address. "
"Missing closing bracket ']'.")
host = addrStr[1:end]
portStr = addrStr[end+1:]
else:
end = addrStr.find(":")
if end < 0:
host = addrStr
portStr = ""
else:
host = addrStr[:end]
portStr = addrStr[end:]
portStr = portStr.strip()
if portStr:
try:
if not portStr.startswith(":"):
raise ValueError
port = int(portStr[1:])
if port < 0 or port > 0xFFFF:
raise ValueError
except ValueError as e:
raise AwlSimError("Invalid port number.")
else:
port = None
return host, port
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