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https://github.com/SerenityOS/serenity
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11eee67b85
Until now, our kernel has reimplemented a number of AK classes to provide automatic internal locking: - RefPtr - NonnullRefPtr - WeakPtr - Weakable This patch renames the Kernel classes so that they can coexist with the original AK classes: - RefPtr => LockRefPtr - NonnullRefPtr => NonnullLockRefPtr - WeakPtr => LockWeakPtr - Weakable => LockWeakable The goal here is to eventually get rid of the Lock* classes in favor of using external locking.
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/IPv4Address.h>
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#include <Kernel/Library/NonnullLockRefPtr.h>
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#include <Kernel/Locking/MutexProtected.h>
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#include <Kernel/Net/NetworkAdapter.h>
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#include <Kernel/Thread.h>
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namespace Kernel {
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struct Route final : public AtomicRefCounted<Route> {
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Route(IPv4Address const& destination, IPv4Address const& gateway, IPv4Address const& netmask, u16 flags, NonnullLockRefPtr<NetworkAdapter> adapter)
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: destination(destination)
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, gateway(gateway)
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, netmask(netmask)
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, flags(flags)
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, adapter(adapter)
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{
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}
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bool operator==(Route const& other) const
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{
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return destination == other.destination && netmask == other.netmask && flags == other.flags && adapter.ptr() == other.adapter.ptr();
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}
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bool matches(Route const& other) const
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{
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return destination == other.destination && (gateway == other.gateway || other.gateway.is_zero()) && netmask == other.netmask && flags == other.flags && adapter.ptr() == other.adapter.ptr();
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}
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const IPv4Address destination;
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const IPv4Address gateway;
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const IPv4Address netmask;
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const u16 flags;
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NonnullLockRefPtr<NetworkAdapter> adapter;
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IntrusiveListNode<Route, LockRefPtr<Route>> route_list_node {};
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using RouteList = IntrusiveList<&Route::route_list_node>;
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};
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struct RoutingDecision {
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LockRefPtr<NetworkAdapter> adapter;
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MACAddress next_hop;
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bool is_zero() const;
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};
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enum class UpdateTable {
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Set,
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Delete,
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};
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void update_arp_table(IPv4Address const&, MACAddress const&, UpdateTable update);
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ErrorOr<void> update_routing_table(IPv4Address const& destination, IPv4Address const& gateway, IPv4Address const& netmask, u16 flags, LockRefPtr<NetworkAdapter> const adapter, UpdateTable update);
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enum class AllowUsingGateway {
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Yes,
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No,
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};
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RoutingDecision route_to(IPv4Address const& target, IPv4Address const& source, LockRefPtr<NetworkAdapter> const through = nullptr, AllowUsingGateway = AllowUsingGateway::Yes);
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SpinlockProtected<HashMap<IPv4Address, MACAddress>>& arp_table();
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SpinlockProtected<Route::RouteList>& routing_table();
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}
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