def run_simulation(P=0, Q=0, lying_function=lie_on_every_packet, length_of_path=5, total_ticks=50):
client_to_server_path = Path(length_of_path, "Client", "Server")
server_to_client_path = Path(length_of_path, "Server", "Client")
client = Client(0, P, lying_function)
server = Server(0, Q, lying_function)
observer = Observer()
current_tick = 1
while (current_tick <= total_ticks):
# add_packet_to_path() pops off the bit that has
# reached the end of the path
bit_reaching_server = client_to_server_path.add(client.cur_spin)
bit_reaching_client = server_to_client_path.add(server.cur_spin)
# update value of spin bit for client and server
# this will be set next tick
client.cur_spin = bit_reaching_client
server.cur_spin = bit_reaching_server
print("Tick:"),
print(current_tick)
client_to_server_path.pretty_print()
server_to_client_path.pretty_print(True)
# measurements are sampled from midpoint of path
observer.add_measurement(client_to_server_path)
current_tick += 1
print("Final RTT is %.2f") % observer.measure_rtt()
