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#!/usr/bin/env python
# Load ESDS
import esds
import numpy as np
########## Scenario ##########
# Notations:
# - Remaining communication duration (last communication ends minus current simulated time) = C
# - Last communication duration (previous row) = U
# - Last remaining data size (previous row) = D
# - Current remaining data (current row) = R
# - Initial data size (first row) = I
# - Bandwidth = BW
# - Latency = L
# |-------------------+------------+----------------+----------------------+---------------------------+--------------------------|
# | Simulated time(s) | Latency(s) | Bandwidth(bps) | Remaining data (bit) | Communication duration(s) | Communication ends at(s) |
# |-------------------+------------+----------------+----------------------+---------------------------+--------------------------|
# | 0 | 0 | 8 | 8 | 1 | 1 |
# | 0.5 | 0.5 | 8 | C/U*D = 4 | R/I * L + R/BW = 0.75 | 1.25 |
# | 1 | 1 | 8 | C/U*D = 1.33 | R/I * L + R/BW = 0.33 | 1.33 |
# | 1.33 | 1 | 8 | | | |
# |-------------------+------------+----------------+----------------------+---------------------------+--------------------------|
##############################
B=np.full((2,2),8)
L=np.full((2,2),0)
s=esds.Simulator({"wlan0":{"bandwidth":B, "latency":L, "is_wired":False}, "eth0":{"bandwidth":B, "latency":L, "is_wired":True}})
s.create_node("sender")
s.create_node("receiver")
def callback(simulator):
simulator.log("Network update!")
new_lat_wlan0=simulator.netmat["wlan0"]["latency"]+1/2
new_lat_eth0=simulator.netmat["eth0"]["latency"]+1/2
simulator.update_network({"wlan0":{"bandwidth":B, "latency":new_lat_wlan0, "is_wired":False},"eth0":{"bandwidth":B, "latency":new_lat_eth0, "is_wired":True}})
s.run(breakpoints_every=1/2,breakpoint_callback=callback)
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