本文整理汇总了Python中netaddr.IPAddress.is_reserved方法的典型用法代码示例。如果您正苦于以下问题：Python IPAddress.is_reserved方法的具体用法？Python IPAddress.is_reserved怎么用？Python IPAddress.is_reserved使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类netaddr.IPAddress的用法示例。
在下文中一共展示了IPAddress.is_reserved方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: validate_ipv4_address
# 需要导入模块: from netaddr import IPAddress [as 别名]
# 或者: from netaddr.IPAddress import is_reserved [as 别名]
def validate_ipv4_address(cls, _, value):
"""
Ensures the :attr:`ip` address is valid. This checks to ensure
that the value provided is:
* not a hostmask
* not link local (:rfc:`3927`)
* not used for multicast (:rfc:`1112`)
* not a netmask (:rfc:`4632`)
* not reserved (:rfc:`6052`)
* a private address (:rfc:`1918`)
"""
if value is None:
return value
try:
address = IPAddress(value)
except (AddrFormatError, ValueError) as e:
raise ValueError(
"%s is not a valid address format: %s" % (value, e))
if ALLOW_AGENT_LOOPBACK:
loopback = lambda: False
else:
loopback = address.is_loopback
if any([address.is_hostmask(), address.is_link_local(),
loopback(), address.is_multicast(),
address.is_netmask(), address.is_reserved()]):
raise ValueError("%s is not a valid address type" % value)
return value示例2: fifoReader
# 需要导入模块: from netaddr import IPAddress [as 别名]
# 或者: from netaddr.IPAddress import is_reserved [as 别名]
def fifoReader(infile, q, exitSignal):
sleeptime=0.5
maxSleeptime=1.0
while True:
try:
if exitSignal.is_set(): break
line=infile.readline()
if not line:
time.sleep(1)
continue
if line=='ENDOFFILE':
break
try:
spl=line.split()
timestamp, queriedName, clientID, ipv4 = spl
except:
continue
else:
if not '.' in queriedName:
continue
try:
addr=IPAddress(ipv4)
except netaddr.AddrFormatError:
continue
else:
if (addr.is_unicast() and
not addr.is_private() and
not addr.is_reserved() and
not addr.is_loopback()):
try:
timestamp=int(timestamp)
except ValueError:
continue
else:
data = ((queriedName, clientID, [addr]),
timestamp)
queued=False
while not queued:
try:
q.put_nowait(data)
except Queue.Full:
# we saturated the queue, let's give the reading
# process some time to empty it again, where we don't
# try to put something in the queue and thereby lock it
# continuously
time.sleep(sleeptime)
if q.empty():
sleeptime*=0.5
elif q.qsize() >= q._maxsize:
sleeptime*=2
if sleeptime>maxSleeptime:
sleeptime=maxSleeptime
else:
queued=True
except KeyboardInterrupt:
break
q.put(None)示例3: pcapReader
# 需要导入模块: from netaddr import IPAddress [as 别名]
# 或者: from netaddr.IPAddress import is_reserved [as 别名]
#.........这里部分代码省略.........
elif interface:
# read timeout
continue
payload=packet[1]
timestamp=int(packet[2])
# make sure we are dealing with IP traffic
# ref: http://www.iana.org/assignments/ethernet-numbers
try: eth = dpkt.ethernet.Ethernet(payload)
except: continue
if eth.type != 2048: continue
# make sure we are dealing with UDP
# ref: http://www.iana.org/assignments/protocol-numbers/
try: ip = eth.data
except: continue
if ip.p != 17: continue
# filter on UDP assigned ports for DNS
# ref: http://www.iana.org/assignments/port-numbers
try: udp = ip.data
except: continue
if udp.sport != 53 and udp.dport != 53: continue
# make the dns object out of the udp data and check for it being a RR (answer)
# and for opcode QUERY (I know, counter-intuitive)
try: dns = dpkt.dns.DNS(udp.data)
except: continue
if dns.qr != dpkt.dns.DNS_R: continue
if dns.opcode != dpkt.dns.DNS_QUERY: continue
if dns.rcode != dpkt.dns.DNS_RCODE_NOERR: continue
if len(dns.an) < 1: continue
if len(dns.qd) == 0: continue
aRecords=set()
queriedName=dns.qd[0].name
if not '.' in queriedName:
continue
#lastCname=queriedName
for answer in dns.an:
"""
FIXME: this doesn't work for multiple queries in one DNS packet
"""
#if answer.type == dpkt.dns.DNS_CNAME:
# lastCname=answer.cname
if answer.type == dpkt.dns.DNS_A:
ip=socket.inet_ntoa(answer.rdata)
try:
addr=IPAddress(ip)
except netaddr.AddrFormatError:
continue
else:
if (addr.is_unicast() and
not addr.is_private() and
not addr.is_reserved() and
not addr.is_loopback()):
aRecords.add(addr)
if thrsh:
if (timestamp-basets) > thrsh:
basets = timestamp
newMappings.clear()
newIps = checkMapping(newMappings, queriedName, aRecords)
aRecords=newIps
if not aRecords:
continue
data = ((queriedName, ip.dst, aRecords), timestamp)
queued=False
while not queued:
try:
q.put_nowait(data)
except Queue.Full:
# we saturated the queue, let's give the reading
# process some time to empty it again, where we don't
# try to put something in the queue and thereby lock it
# continuously
time.sleep(sleeptime)
if q.empty():
sleeptime*=0.5
elif q.qsize() >= q._maxsize:
sleeptime*=2
if sleeptime>maxSleeptime:
sleeptime=maxSleeptime
else:
queued=True
except KeyboardInterrupt:
break
"""
send shutdown signal
"""
q.put(None)