# Copyright 2024 Max Planck Institute for Software Systems, and
# National University of Singapore
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import random
import simbricks.orchestration.experiments as exp
import simbricks.orchestration.nodeconfig as node
import simbricks.orchestration.simulators as sim
import simbricks.orchestration.e2e_components as e2e
import simbricks.orchestration.e2e_partition as e2e_part
from simbricks.orchestration.simulator_utils import create_tcp_cong_hosts
from simbricks.orchestration.e2e_topologies import (
    DCFatTree, add_contig_bg
)

random.seed(42)

e = exp.Experiment('e2e_bg')

options = {
    'ns3::TcpSocket::SegmentSize': '1448',
    'ns3::TcpSocket::SndBufSize': '524288',
    'ns3::TcpSocket::RcvBufSize': '524288',
}

topology = DCFatTree(
            n_spine_sw=1,
            n_agg_bl=2,
            n_agg_sw=1,
            n_agg_racks=1,
            h_per_rack=1,
        )
add_contig_bg(topology)
nets = e2e_part.partition(topology, 2)
for net in nets:
  net.opt = ' '.join([f'--{o[0]}={o[1]}' for o in options.items()])
  net.wait = True
  e.add_network(net)
  net.init_network()

experiments = [e]
