def measurement_average_packet_distance(self, datafile):
"""
Measure the time/hops taken by packets around the network
"""
# Set up
datafile.write("shortest_hops actual_hops time\n")
yield
# Do nothing during the experiment
try:
while True:
yield
except Simulation.StopExperiment:
pass
# Collect the results after the experiment
for packet in self.system.packets:
# All delivered packets
if packet.receive_time is not None:
datafile.write("%d %d %d\n"%(
# Shortest Hops
topology.manhattan(
topology.get_path(topology.zero_pad(packet.source),
topology.zero_pad(packet.destination),
(12*Simulation.WIDTH, 12*Simulation.HEIGHT))
) + 1,
# Actual Hops
packet.distance,
# Time
packet.receive_time - packet.send_time,
))