# Copyright 2021 Max Planck Institute for Software Systems, and
# National University of Singapore
#
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########################################################################
# This script is for reproducing [Figure 9] in the paper.
#
# In each simulation, two hosts are connected by a switch 
# [HOST_0] - [NIC_0] ---- [SWITCH] ----  [NIC_1] - [HOST_1]
#  server                                           client
# 
# The server host runs netperf server and client host runs TCP_RR and
# TCP_STREAM test
# 
# The command to run all the experiments is:
# $: python3 run.py pyexps/ae/t1_combination.py --filter nf-* --verbose
########################################################################


import simbricks.experiments as exp
import simbricks.simulators as sim
import simbricks.nodeconfig as node
from simbricks.simulator_utils import create_basic_hosts

pci_latency = [10, 50, 100, 500, 1000]
experiments = []

for pci_type in pci_latency:

    e = exp.Experiment('pci-gt-ib-sw-' + f'{pci_type}')

    net = sim.SwitchNet()
    e.add_network(net)

    host_class = sim.Gem5Host
    e.checkpoint = True

    def nic_pci():
        n = sim.I40eNIC()
        n.sync_period = pci_type
        n.pci_latency = pci_type
        return n
    
    nic_class = nic_pci
    nc_class = node.I40eLinuxNode

    # create servers and clients
    servers = create_basic_hosts(e, 1, 'server', net, nic_class, host_class,
            nc_class, node.NetperfServer)

    clients = create_basic_hosts(e, 1, 'client', net, nic_class, host_class,
            nc_class, node.NetperfClient, ip_start = 2)

    for s in servers:
        s.pci_latency = pci_type
        s.sync_period = pci_type

    for c in clients:
        c.pci_latency = pci_type
        c.sync_period = pci_type
        c.wait = True
        c.node_config.app.server_ip = servers[0].node_config.ip

    # add to experiments
    experiments.append(e)
