def __init__(self, start_time, src_ip, dst_ip, flow_size, src_port=-1, dst_port=-1, duration=0.0):
#set src_port and dst_port to -1 if not available
self.start_time = TimeUtils.time_convert(start_time)
self.end_time = self.start_time + TimeUtils.time_delta_convert(duration)
self.src_ip = src_ip
self.src_port = src_port
self.dst_ip = dst_ip
self.dst_port = dst_port
self.size = flow_size
def add_packet(self, packet, duration=0.0):
"""
add a new packet to flow
:param packet: an object of Packet
:param duration: new packet's duration
:return: None
"""
assert isinstance(packet, Packet), 'Wrong argument when adding a packet to flow'
assert packet.src_port == self.src_port, 'src_port number should be the same'
self.start_time = self.start_time if self.start_time < packet.packet_time else packet.packet_time
self.end_time = TimeUtils.time_convert(packet.packet_time) + TimeUtils.time_delta_convert(duration)
self.size += packet.packet_size
self.packet_num += 1
def add_packet(self, packet, duration=0.0):
"""
add a new packet to flow
:param packet: an object of Packet
:param duration: new packet's duration
:return: None
"""
assert isinstance(
packet, Packet), 'Wrong argument when adding a packet to flow'
assert packet.src_port == self.src_port, 'src_port number should be the same'
self.start_time = self.start_time if self.start_time < packet.packet_time else packet.packet_time
self.end_time = TimeUtils.time_convert(
packet.packet_time) + TimeUtils.time_delta_convert(duration)
self.size += packet.packet_size
self.packet_num += 1
def __init__(self,
start_time,
src_ip,
dst_ip,
flow_size,
src_port=-1,
dst_port=-1,
duration=0.0):
#set src_port and dst_port to -1 if not available
self.start_time = TimeUtils.time_convert(start_time)
self.end_time = self.start_time + TimeUtils.time_delta_convert(
duration)
self.src_ip = src_ip
self.src_port = src_port
self.dst_ip = dst_ip
self.dst_port = dst_port
self.size = flow_size
def __init__(self):
self.coflows = {}
self.threshold1 = TimeUtils.time_delta_convert(1)
from packet import Packet
from flow import LogicalFlow
from flow import RealisticFlow
from utils.time import TimeUtils
START_TIME_THRESHOLD = TimeUtils.time_delta_convert(1.0)
END_TIME_THRESHOLD = TimeUtils.time_delta_convert(10.0)
class Coflow(object):
"""
a coflow abstraction
"""
def __init__(self, logical_flow):
assert isinstance(
logical_flow, LogicalFlow
), 'Wrong argument when initializing a coflow with a logical_flow'
self.start_time = logical_flow.start_time
self.end_time = self.start_time
self.coflow_id = logical_flow.stage_id
self.logical_flows = {
logical_flow.generate_logical_flow_id(): logical_flow
}
self.realistic_flows = {}
def __str__(self):
return "Coflow " + str(self.coflow_id) + ":\n" + TimeUtils.time_to_string(self.start_time) + " " + \
str((self.end_time - self.start_time).total_seconds()) + '\n' + "Logical Flows:\n" + \
"\n".join(map(str, self.logical_flows.values())) + "\n" + "Real Flows:\n" + \
"\n".join(map(str, self.realistic_flows.values()))
def __init__(self):
self.coflows = {}
self.threshold1 = TimeUtils.time_delta_convert(1)
from packet import Packet
from flow import LogicalFlow
from flow import RealisticFlow
from utils.time import TimeUtils
START_TIME_THRESHOLD = TimeUtils.time_delta_convert(1.0)
END_TIME_THRESHOLD = TimeUtils.time_delta_convert(10.0)
class Coflow(object):
"""
a coflow abstraction
"""
def __init__(self, logical_flow):
assert isinstance(logical_flow, LogicalFlow), 'Wrong argument when initializing a coflow with a logical_flow'
self.start_time = logical_flow.start_time
self.end_time = self.start_time
self.coflow_id = logical_flow.stage_id
self.logical_flows = {logical_flow.generate_logical_flow_id(): logical_flow}
self.realistic_flows = {}
def __str__(self):
return "Coflow " + str(self.coflow_id) + ":\n" + TimeUtils.time_to_string(self.start_time) + " " + \
str((self.end_time - self.start_time).total_seconds()) + '\n' + "Logical Flows:\n" + \
"\n".join(map(str, self.logical_flows.values())) + "\n" + "Real Flows:\n" + \
"\n".join(map(str, self.realistic_flows.values()))
@property
def duration(self):