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Use dnspython built-in cache to cache DNS queries for BGPmap

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This is equivalent to the previous memcached cache, but much simpler to
deploy (no additional service needed, everything is in process memory)
This commit is contained in:
Baptiste Jonglez 2021-05-10 20:14:43 +02:00
parent 8f091cf27e
commit 108b2c4e44
1 changed files with 2 additions and 0 deletions
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2
toolbox.py
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@ -24,9 +24,11 @@ import socket
import pickle import pickle
import xml.parsers.expat import xml.parsers.expat
dns_cache = resolver.LRUCache(max_size=10000)
resolv = resolver.Resolver() resolv = resolver.Resolver()
resolv.timeout = 0.5 resolv.timeout = 0.5
resolv.lifetime = 1 resolv.lifetime = 1
resolv.cache = dns_cache
def resolve(n, q): def resolve(n, q):
return str(resolv.query(n,q)[0]) return str(resolv.query(n,q)[0])