# Copyright (c) 2021 The Regents of the University of California
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from components_library.utils.override import overrides
from ..abstract_directory import AbstractDirectory

from m5.objects import (
    MessageBuffer,
    RubyDirectoryMemory,
)


class Directory(AbstractDirectory):
    def __init__(self, network, cache_line_size, mem_range, port):

        super(Directory, self).__init__(network, cache_line_size)
        self.addr_ranges = [mem_range]
        self.directory = RubyDirectoryMemory()
        # Connect this directory to the memory side.
        self.memory_out_port = port

    @overrides(AbstractDirectory)
    def connectQueues(self, network):
        self.requestToDir = MessageBuffer()
        self.requestToDir.in_port = network.out_port
        self.responseToDir = MessageBuffer()
        self.responseToDir.in_port = network.out_port
        self.responseFromDir = MessageBuffer()
        self.responseFromDir.out_port = network.in_port
        self.requestToMemory = MessageBuffer()
        self.responseFromMemory = MessageBuffer()