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Update TODO

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We have now done IP_PKTINFO, but there is a potential TODO
if wanting to properly honor unicast request.

For now, will just do always-broadcast as the options to do unicast
are more complex to do (either construct the packets or inject neigh
entry manually)
This commit is contained in:
Jarrod Johnson 2020-03-09 15:05:19 -04:00
parent f20fb70336
commit 49b8e12a01
1 changed files with 2 additions and 2 deletions
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4
confluent_server/confluent/discovery/protocols/pxe.py
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@ -183,8 +183,8 @@ def ipfromint(numb):
def snoop(handler, protocol=None):
#TODO(jjohnson2): ipv6 socket and multicast for DHCPv6, should that be
#prominent
#TODO(jjohnson2): IP_PKTINFO, recvmsg to get the destination ip, per
#proxydhcp.c from xCAT
#TODO(jjohnson2): enable unicast replies. This would suggest either
# injection into the neigh table before OFFER or using SOCK_RAW.
net4 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
net4.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
net4.setsockopt(socket.IPPROTO_IP, IP_PKTINFO, 1)