37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
import logging
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import re
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import socket
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logger = logging.getLogger('mopidy.utils.server')
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def _try_ipv6_socket():
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"""Determine if system really supports IPv6"""
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if not socket.has_ipv6:
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return False
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try:
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socket.socket(socket.AF_INET6).close()
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return True
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except IOError, e:
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logger.debug(u'Platform supports IPv6, but socket '
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'creation failed, disabling: %s', e)
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return False
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#: Boolean value that indicates if creating an IPv6 socket will succeed.
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has_ipv6 = _try_ipv6_socket()
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def create_socket():
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"""Create a TCP socket with or without IPv6 depending on system support"""
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if has_ipv6:
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sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
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# Explicitly configure socket to work for both IPv4 and IPv6
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sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0)
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else:
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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return sock
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def format_hostname(hostname):
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"""Format hostname for display."""
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if (has_ipv6 and re.match('\d+.\d+.\d+.\d+', hostname) is not None):
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hostname = '::ffff:%s' % hostname
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return hostname
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