def __process_packets(self, packets, out_writer, drop_writer, validation_file):
"""
:type packets: list[Packet]
:return A tuple with the number of packets anonymized and the number of packets dropped
:rtype (int, int)
"""
for index, packet in enumerate(packets):
if index and (index % 10000) == 0:
self.app.log.info("pcap:{}: Process packet id = '{}'".format(self.file, index))
packet_id = index + 1 # packet id start with 1
# packet_backup = Packet(str(packet))
packet_backup = packet.original
packet_backup_time = packet.time
try:
try:
if self.app.phase is Phase.phase_1:
self.app.packet.discover(packet)
elif self.app.phase is Phase.phase_3:
self.app.packet.anonymize(packet)
elif self.app.phase is Phase.phase_4:
validation = self.app.packet.validate(packet)
if validation is not None:
validation_file.write("\n\nPacket id {}:\n ".format(packet_id))
validation = validation.replace('\n', '\n ') # Indent
validation_file.write(validation)
except Exception as e:
if isinstance(e, ExplicitDropException):
self.app.log.debug("file:pcap:{}: Packet explicitly dropped: id = '{}', {}, {}".format(
self.file, packet_id, e.message, repr(packet.summary())))
elif isinstance(e, ImplicitDropException):
self.app.log.warning("file:pcap:{}: Packet implicitly dropped: id = '{}', {}, {}".format(
self.file, packet_id, e.message, repr(packet.summary())))
elif isinstance(e, ErrorDropException):
self.app.log.error("file:pcap:{}: Error packet dropped: id = '{}', {}, {}".format(
self.file, packet_id, e.message, repr(packet.summary())))
else:
self.app.log.critical("file:pcap:{}: Unexpected error packet dropped: id = '{}', {}, {}".format(
self.file, packet_id, e.message, repr(packet.summary())))
if self.app.phase is Phase.phase_3:
packet_backup = Packet(packet_backup)
packet_backup.time = packet_backup_time
drop_writer.write(packet_backup)
else:
if self.app.phase is Phase.phase_3:
out_writer.write(packet)
except Exception as e:
self.app.log.critical(
"sirano:file:pcap:{}: Unexpected error: id = '{}', exception = '{}', message = '{}', {}".format(
self.file, packet_id, type(e), e.message, repr(packet.summary())))
