# Copyright 2022 Max Planck Institute for Software Systems, and
# National University of Singapore
#
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"""
Simple example experiment, which sets up a client and a server host connected
through a switch.

The client pings the server.
"""

from simbricks.orchestration.experiments import Experiment
from simbricks.orchestration.nodeconfig import (
    HomaClientNode, HomaServerNode, I40eLinuxNode, IdleHost, PingClient, NodeConfig
)
from simbricks.orchestration.simulators import QemuHost, Gem5Host, I40eNIC, SwitchNet

experiments = []
workload = [1,2,3,4,5]
host_types = ['qemu', 'gem5', 'qt']
protocol = ['tcp', 'dctcp', 'homa']
for p in protocol:
    for  w in workload:
        for host_type in host_types:

            e = Experiment(f'single_{p}_w{w}_{host_type}')
            e.checkpoint = False  # use checkpoint and restore to speed up simulation
            # host
            if host_type == 'qemu':
                HostClass = QemuHost
            elif host_type == 'qt':

                def qemu_timing(node_config: NodeConfig):
                    h = QemuHost(node_config)
                    h.sync = True
                    return h

                HostClass = qemu_timing
            elif host_type == 'gem5':
                HostClass = Gem5Host
                e.checkpoint = True
            else:
                raise NameError(host_type)

            # create client
            client_config = I40eLinuxNode()  # boot Linux with i40e NIC driver
            client_config.disk_image = 'homa'
            client_config.ip = '10.0.0.1'
            client_config.app = HomaClientNode()
            client_config.app.protocol = p
            client = HostClass(client_config)
            # client.sync = False
            client.name = 'client'
            client.wait = True  # wait for client simulator to finish execution
            e.add_host(client)

            # attach client's NIC
            client_nic = I40eNIC()
            e.add_nic(client_nic)
            client.add_nic(client_nic)

            # create server
            server_config = I40eLinuxNode()  # boot Linux with i40e NIC driver
            server_config.disk_image = 'homa'
            server_config.ip = '10.0.0.2'
            server_config.app = HomaServerNode()
            server_config.app.protocol = p
            server = HostClass(server_config)
            # server.sync = False
            server.name = 'server'
            # server.wait = True
            e.add_host(server)

            # attach server's NIC
            server_nic = I40eNIC()
            e.add_nic(server_nic)
            server.add_nic(server_nic)

            # connect NICs over network
            network = SwitchNet()
            e.add_network(network)
            client_nic.set_network(network)
            server_nic.set_network(network)

            # set more interesting link latencies than default
            eth_latency = 500  # 500 us
            network.eth_latency = eth_latency
            client_nic.eth_latency = eth_latency
            server_nic.eth_latency = eth_latency

            experiments.append(e)
