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util.iputil: try to survive not having a global network connection at all

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This commit is contained in:
Brian Warner 2007-03-07 18:21:42 -07:00
parent 61760047cf
commit f2956c257b
1 changed files with 4 additions and 1 deletions
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5
src/allmydata/util/iputil.py
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@ -11,7 +11,10 @@ def get_local_ip_for(target='A.ROOT-SERVERS.NET'):
Returns a string that holds the IP address which could be used by
'target' to connect to us. It might work for them, it might not.
"""
target_ipaddr = socket.gethostbyname(target)
try:
target_ipaddr = socket.gethostbyname(target)
except socket.gaierror:
return "127.0.0.1"
udpprot = DatagramProtocol()
port = reactor.listenUDP(0, udpprot)
udpprot.transport.connect(target_ipaddr, 7)