# Copyright (c) 2021 Advanced Micro Devices, Inc.
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# this list of conditions and the following disclaimer.
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from m5.objects import *
from m5.util import fatal

from importlib import *

from network import Network

class DisjointSimple(SimpleNetwork):

    def __init__(self, ruby_system):
        super(DisjointSimple, self).__init__()

        self.netifs = []
        self.routers = []
        self.int_links = []
        self.ext_links = []
        self.ruby_system = ruby_system

    def connectCPU(self, opts, controllers):

        # Setup parameters for makeTopology call for CPU network
        topo_module = import_module("topologies.%s" % opts.cpu_topology)
        topo_class = getattr(topo_module, opts.cpu_topology)
        _topo = topo_class(controllers)
        _topo.makeTopology(opts, self, SimpleIntLink,
                           SimpleExtLink, Switch)

        self.initSimple(opts, self.int_links, self.ext_links)

    def connectGPU(self, opts, controllers):

        # Setup parameters for makeTopology call for GPU network
        topo_module = import_module("topologies.%s" % opts.gpu_topology)
        topo_class = getattr(topo_module, opts.gpu_topology)
        _topo = topo_class(controllers)
        _topo.makeTopology(opts, self, SimpleIntLink,
                           SimpleExtLink, Switch)

        self.initSimple(opts, self.int_links, self.ext_links)


    def initSimple(self, opts, int_links, ext_links):

        # Attach links to network
        self.int_links = int_links
        self.ext_links = ext_links

        self.setup_buffers()

class DisjointGarnet(GarnetNetwork):

    def __init__(self, ruby_system):
        super(DisjointGarnet, self).__init__()

        self.netifs = []
        self.ruby_system = ruby_system

    def connectCPU(self, opts, controllers):

        # Setup parameters for makeTopology call for CPU network
        topo_module = import_module("topologies.%s" % opts.cpu_topology)
        topo_class = getattr(topo_module, opts.cpu_topology)
        _topo = topo_class(controllers)
        _topo.makeTopology(opts, self, GarnetIntLink,
                           GarnetExtLink, GarnetRouter)

        Network.init_network(opts, self, GarnetNetworkInterface)

    def connectGPU(self, opts, controllers):

        # Setup parameters for makeTopology call
        topo_module = import_module("topologies.%s" % opts.gpu_topology)
        topo_class = getattr(topo_module, opts.gpu_topology)
        _topo = topo_class(controllers)
        _topo.makeTopology(opts, self, GarnetIntLink,
                           GarnetExtLink, GarnetRouter)

        Network.init_network(opts, self, GarnetNetworkInterface)