2019-06-18 08:31:10 +00:00
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#!/usr/bin/env python3
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# -*- encoding: utf-8 -*-
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import json
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from pathlib import Path
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from counteriter import CounterIterator
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from toporender import main as renderer
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# Based on and semantically equivalent to:
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# https://github.com/HSRNetwork/Cloudlnf_Lab10_ryu/blob/master/mininetClosStartup.py
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2019-07-01 23:42:25 +00:00
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SPINE_SPEED = 1
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2019-06-18 08:31:10 +00:00
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LEAF_SPEED = 1
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2019-07-05 08:52:59 +00:00
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SPINE_COUNT = 3
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LEAF_COUNT = 8
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HOST_LEAF = 2
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2019-06-18 08:31:10 +00:00
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hosts_iter = CounterIterator()
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switch_iter = CounterIterator()
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def reset_iters():
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global hosts_iter
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global switch_iter
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hosts_iter = CounterIterator()
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switch_iter = CounterIterator()
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def create_topo():
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this_hosts = []
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this_switches = []
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this_links = []
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spines = list()
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leafs = list()
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for _ in range(LEAF_COUNT):
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s = f"s{next(switch_iter)}"
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leafs.append(s)
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this_switches.append(s)
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for __ in range(HOST_LEAF):
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h = f"h{next(hosts_iter)}"
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this_hosts.append(h)
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this_links.append((s, h, LEAF_SPEED))
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for _ in range(SPINE_COUNT):
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s = f"s{next(switch_iter)}"
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spines.append(s)
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this_switches.append(s)
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for spine in spines:
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for leaf in leafs:
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this_links.append((spine, leaf, SPINE_SPEED))
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return this_hosts, this_switches, this_links
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def main(fn: str = 'clos'):
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reset_iters()
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topo = create_topo()
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reset_iters()
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Path(f'{fn}.json').write_text(json.dumps(topo))
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renderer(fn)
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if __name__ == '__main__':
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main()
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