def initialize(self):
self.hostname = get_hostname()
self.cycle = None
self.dests = DestList()
self.startCycle = 0
self.RAW_DIR = self.shared.parameters.RAW_DIR
self.STATS_DIR = self.shared.parameters.STATS_DIR
self.SAVE_RAW_TRACES = self.shared.parameters.SAVE_RW
def preload_destinations(self, _increment=False):
try:
log = logging.getLogger("agent.ping_cycle.preload")
self.dests = DestList()
#file_dest = open(self.iplist_file,'r')
with open('iplist.dat') as f:
self.destination = [line.rstrip() for line in f]
try:
for dest_ip in self.destination:
#if dest_id == self.hostname:
self.shared.check_killed(
"Sender", self.shared.sender.event
) # check Sendere received killing signal.
if self.UPPER_LIMIT != -1 and self.nDests > self.UPPER_LIMIT - 1:
break
index = dest_ip.find("/")
try:
if index != -1: # is it a subnet?
socket.inet_aton(
dest_ip[:index]) # check ip_validity
net = self.networkMask(
dest_ip[:index],
int(dest_ip[(index +
1):])) # get subnet address
addr = net + 1 # JUMP subnet address
while self.addressInNetwork(
addr, net, int(dest_ip[(index + 1):])
) and (self.UPPER_LIMIT == -1 or
(self.UPPER_LIMIT != -1
and self.nDests < self.UPPER_LIMIT - 1)
): # is IP into subnet?
if self.nDests >= self.LOWER_LIMIT - 1:
self.dests.insert(
self.numToDottedQuad(addr))
self.nDests += 1
addr += 1
if self.addressInNetwork(
addr, net,
int(dest_ip[(index + 1):])) == False:
if self.nDests >= self.LOWER_LIMIT - 1:
self.dests.remove_last(
) # JUMP broadcast address
self.nDests -= 1 # correct self.nDests
else:
if self.nDests >= self.LOWER_LIMIT - 1:
addr = socket.gethostbyname(
dest_ip
) # CHECK VALIDITY and (if necessary) convert NAME into IP
self.dests.insert(
addr
) #-------------------> problem: takes a lot of time socket.gethostbyname(dest_ip)
self.nDests += 1
except socket.error:
if index != -1:
log.error("Invalid IP: %s" % dest_ip[:index])
else:
log.error("Invalid IP: %s" % dest_ip)
#-------------------------------------------------for testing
#b=time.time()-a # a time.time before try
#if time.time()-a>1:
# print dest_ip
# print b
#-------------------------------------------------for testing
self.nDests = self.nDests - max(self.LOWER_LIMIT, 1) + 1
log.info("Loaded targets: %d" % self.nDests)
except why: #eliminare tutto i csv
log.error(
"TracerouteCycle::preload_destinations(): file %s, %s" %
(self.iplist_file, why))
except Exception, why:
log.error("Exception preload destination:")
log.error(why)
