# Copyright 2023 Max Planck Institute for Software Systems, and
# National University of Singapore
#
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# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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"""
Two hosts connected by a switch. Both run iPerf where one host is the client and
the other the server.

This module creates multiple experiments for comparing multiple host and NIC
simulator combinations. Client and Server use the same simulators.
"""

from simbricks.orchestration import experiments as exp
from simbricks.orchestration import nodeconfig, simulator_utils, simulators

host_types = ['qemu', 'gem5']
nic_types = ['i40e', 'e1000']
experiments = []


class QemuTiming(simulators.QemuHost):

    def __init__(self, node_config):
        super().__init__(node_config)
        self.sync = True


class Gem5Timing(simulators.Gem5Host):

    def __init__(self, node_config):
        super().__init__(node_config)
        self.cpu_type = 'TimingSimpleCPU'
        self.cpu_type_cp = 'TimingSimpleCPU'


for host_type in host_types:
    for nic_type in nic_types:
        e = exp.Experiment(f'iperf-{host_type}-{nic_type}-pair')
        net = simulators.SwitchNet()
        e.add_network(net)

        if host_type == 'qemu':
            HostClass = QemuTiming
        elif host_type == 'gem5':
            HostClass = Gem5Timing
            e.checkpoint = True
        else:
            raise NameError(host_type)

        if nic_type == 'i40e':
            NicClass = simulators.I40eNIC
            NodeConfigClass = nodeconfig.I40eLinuxNode
        elif nic_type == 'e1000':
            NicClass = simulators.E1000NIC
            NodeConfigClass = nodeconfig.E1000LinuxNode
        else:
            raise NameError(nic_type)

        servers = simulator_utils.create_basic_hosts(
            e,
            1,
            'server',
            net,
            NicClass,
            HostClass,
            NodeConfigClass,
            nodeconfig.IperfTCPServer
        )

        clients = simulator_utils.create_basic_hosts(
            e,
            1,
            'client',
            net,
            NicClass,
            HostClass,
            NodeConfigClass,
            nodeconfig.IperfTCPClient,
            ip_start=2
        )

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

        experiments.append(e)