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Code Issues Projects Releases Wiki Activity

Reverse-lookup cache improvements (#501)

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This commit is contained in:
Rod Payne
2024-03-31 18:01:40 -06:00
committed by GitHub
parent fd5b792c4a
commit 8936193280
2 changed files with 8 additions and 8 deletions
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parsedmarc/__init__.py
+1 -1
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@@ -48,7 +48,7 @@ MAGIC_GZIP = b"\x1F\x8B"
MAGIC_XML = b"\x3c\x3f\x78\x6d\x6c\x20"
MAGIC_JSON = b"\7b"
IP_ADDRESS_CACHE = ExpiringDict(max_len=10000, max_age_seconds=1800)
IP_ADDRESS_CACHE = ExpiringDict(max_len=10000, max_age_seconds=14400)
REVERSE_DNS_MAP = dict()
parsedmarc/utils.py
+7 -7
View File
@@ -172,7 +172,8 @@ def get_reverse_dns(ip_address, cache=None, nameservers=None, timeout=2.0):
nameservers=nameservers,
timeout=timeout)[0]
except dns.exception.DNSException:
except dns.exception.DNSException as e:
logger.warning(f"get_reverse_dns({ip_address}) exception: {e}")
pass
return hostname
@@ -396,10 +397,6 @@ def get_ip_address_info(ip_address,
if info:
logger.debug(f"IP address {ip_address} was found in cache")
return info
else:
logger.debug(f"IP address {ip_address} not found in cache")
else:
logger.debug("IP address cache was not specified")
info = OrderedDict()
info["ip_address"] = ip_address
if offline:
@@ -427,8 +424,11 @@ def get_ip_address_info(ip_address,
info["type"] = service["type"]
info["name"] = service["name"]
if cache is not None:
cache[ip_address] = info
if cache is not None:
cache[ip_address] = info
logger.debug(f"IP address {ip_address} added to cache")
else:
logger.debug(f"IP address {ip_address} reverse_dns not found")
return info