StarryNet/example.py at main · SpaceNetLab/StarryNet · GitHub

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#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""
StarryNet: empowering researchers to evaluate futuristic integrated space and terrestrial networks.
author: Zeqi Lai (zeqilai@tsinghua.edu.cn) and Yangtao Deng (dengyt21@mails.tsinghua.edu.cn)
"""

fromstarrynet.sn_observerimport*
fromstarrynet.sn_orchestraterimport*
fromstarrynet.sn_synchronizerimport*

if__name__=="__main__":
# Starlink 5*5: 25 satellite nodes, 2 ground stations.
# The node index sequence is: 25 sattelites, 2 ground stations.
# In this example, 25 satellites and 2 ground stations are one AS.

AS= [[1, 27]] # Node #1 to Node #27 are within the same AS.
GS_lat_long= [[50.110924, 8.682127], [46.635700, 14.311817]
 ] # latitude and longitude of frankfurt and Austria
configuration_file_path="./config.json"
hello_interval=1# hello_interval(s) in OSPF. 1-200 are supported.

print('Start StarryNet.')
sn=StarryNet(configuration_file_path, GS_lat_long, hello_interval, AS)
sn.create_nodes()
sn.create_links()
sn.run_routing_deamon()

node_index1=1
node_index2=2
time_index=2

# distance between nodes at a certain time
node_distance=sn.get_distance(node_index1, node_index2, time_index)
print("node_distance (km): "+str(node_distance))

# neighbor node indexes of node at a certain time
neighbors_index=sn.get_neighbors(node_index1, time_index)
print("neighbors_index: "+str(neighbors_index))

# GS connected to the node at a certain time
node_index1=7
GSes=sn.get_GSes(node_index1, time_index)
print("GSes are: "+str(GSes))

# LLA of a node at a certain time
LLA=sn.get_position(node_index1, time_index)
print("LLA: "+str(LLA))

sn.get_utility(time_index) # CPU and memory useage

# IPList of a node
IP_list=sn.get_IP(node_index1)
print("IP: "+str(IP_list))

ratio=0.3
time_index=5
# random damage of a given ratio at a certain time
sn.set_damage(ratio, time_index)

time_index=10
sn.set_recovery(time_index) # recover the damages at a certain time

node_index1=27
time_index=15
# routing table of a node at a certain time. The output file will be written at the working directory.
sn.check_routing_table(node_index1, time_index)

sat=1
des=27
next_hop_sat=2
time_index=20
# set the next hop at a certain time. Sat, Des and NextHopSat are indexes and Sat and NextHopSat are neighbors.
sn.set_next_hop(sat, des, next_hop_sat, time_index)

node_index1=13
node_index2=14
time_index=3
# ping msg of two nodes at a certain time. The output file will be written at the working directory.
sn.set_ping(node_index1, node_index2, time_index)
foriinrange(35, 80):
node_index1=26
node_index2=27
time_index=i
# ping msg of two nodes at a certain time. The output file will be written at the working directory.
sn.set_ping(node_index1, node_index2, time_index)

node_index1=13
node_index2=14
time_index=4
# perf msg of two nodes at a certain time. The output file will be written at the working directory.
sn.set_perf(node_index1, node_index2, time_index)

sn.start_emulation()
sn.stop_emulation()