def MIN_TTL (io, ip, ttl):
# None (ttl-security unset) or zero (maximum TTL) is the same thing
if ttl:
try:
io.setsockopt(socket.IPPROTO_IP, socket.IP_MINTTL, ttl)
except socket.error as exc:
raise TTLError('This OS does not support IP_MINTTL (ttl-security) for %s (%s)' % (ip,errstr(exc)))
except AttributeError:
pass
try:
io.setsockopt(socket.IPPROTO_IP, socket.IP_TTL, ttl)
except socket.error as exc:
raise TTLError('This OS does not support IP_MINTTL or IP_TTL (ttl-security) for %s (%s)' % (ip,errstr(exc)))
def TTLv6(io, ip, ttl):
if ttl:
try:
io.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_UNICAST_HOPS, ttl)
except socket.error as exc:
raise TTLError(
'This OS does not support unicast_hops (ttl-security) for %s (%s)'
% (ip, errstr(exc)))
# None (ttl-security unset) or zero (maximum TTL) is the same thing
if ttl:
try:
io.setsockopt(socket.IPPROTO_IP, socket.IP_MINTTL, ttl)
except socket.error, exc:
raise TTLError(
'This OS does not support IP_MINTTL (ttl-security) for %s (%s)'
% (ip, errstr(exc)))
except AttributeError:
pass
try:
io.setsockopt(socket.IPPROTO_IP, socket.IP_TTL, ttl)
except socket.error, exc:
raise TTLError(
'This OS does not support IP_MINTTL or IP_TTL (ttl-security) for %s (%s)'
% (ip, errstr(exc)))
def async (io, ip):
try:
io.setblocking(0)
except socket.error, exc:
raise AsyncError('could not set socket non-blocking for %s (%s)' %
(ip, errstr(exc)))
def ready(io):
logger = Logger()
warned = False
start = time.time()