dctcp.py

import modes.experiments as exp
import modes.simulators as sim
import modes.nodeconfig as node


# iperf TCP_multi_client test
# naming convention following host-nic-net-app
# host: qemu/gem5-timing
# nic:  cv/cb/ib
# net:  switch/dumbbell/bridge
# app: DCTCPm

types_of_host = ['qemu', 'gt']
types_of_nic = ['cv','cb','ib']
types_of_net = ['dumbbell']
types_of_app = ['DCTCPm']

num_pairs = 2
max_k = 199680
k_step = 8320
link_rate_opt = '--LinkRate=10Gb/s ' # don't forget space at the end
link_latency_opt = '--LinkLatency=0 '
cpu_freq = '5GHz' #GHz
mtu = 9000

ip_start = '192.168.64.1'

experiments = []

# set network sim
net_class = sim.NS3DumbbellNet


for h in types_of_host:
    for c in types_of_nic:
        for k_val in range(0, max_k + 1, k_step):

            net = net_class()
            net.opt = link_rate_opt + link_latency_opt + f'--EcnTh={k_val}'

            e = exp.Experiment( h + '-' + c + '-' + 'dumbbell' + '-' + 'DCTCPm' + f'{k_val}')
            e.add_network(net)
            e.checkpoint = True

            # host
            if h == 'qemu':
                host_class = sim.QemuHost
            elif h == 'gt':
                host_class = sim.Gem5Host
            else:
                raise NameError(h)

            # nic
            if c == 'ib':
                nic_class = sim.I40eNIC
                nc_class = node.I40eDCTCPNode
            elif c == 'cb':
                nic_class = sim.CorundumBMNIC
                nc_class = node.CorundumDCTCPNode
            elif c == 'cv':
                nic_class = sim.CorundumVerilatorNIC
                nc_class = node.CorundumDCTCPNode
            else:
                raise NameError(c)


            servers = sim.create_dctcp_hosts(e, num_pairs, 'server', net, nic_class, host_class, 
                                             nc_class, node.DctcpServer, cpu_freq, mtu)
            clients = sim.create_dctcp_hosts(e, num_pairs, 'client', net, nic_class, host_class, 
                                             nc_class, node.DctcpClient, cpu_freq, mtu, ip_start=num_pairs+1)

        
            i = 0
            for cl in clients:
                cl.node_config.app.server_ip = servers[i].node_config.ip
                i += 1
            
            # All the clients will not poweroff after finishing iperf test except the last one
            # This is to prevent the simulation gets stuck when one of host exits.

            # The last client waits for the output printed in other hosts, then cleanup
            clients[num_pairs-1].node_config.app.is_last = True
            clients[num_pairs-1].wait = True

            print(e.name)
            experiments.append(e)