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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <AK/HashMap.h>
30#include <AK/SinglyLinkedList.h>
31#include <Kernel/DoubleBuffer.h>
32#include <Kernel/KBuffer.h>
33#include <Kernel/Lock.h>
34#include <Kernel/Net/IPv4.h>
35#include <Kernel/Net/Socket.h>
36
37class IPv4SocketTuple {
38public:
39 IPv4SocketTuple(IPv4Address local_address, u16 local_port, IPv4Address peer_address, u16 peer_port)
40 : m_local_address(local_address)
41 , m_local_port(local_port)
42 , m_peer_address(peer_address)
43 , m_peer_port(peer_port) {};
44
45 IPv4Address local_address() const { return m_local_address; };
46 u16 local_port() const { return m_local_port; };
47 IPv4Address peer_address() const { return m_peer_address; };
48 u16 peer_port() const { return m_peer_port; };
49
50 bool operator==(const IPv4SocketTuple other) const
51 {
52 return other.local_address() == m_local_address && other.local_port() == m_local_port && other.peer_address() == m_peer_address && other.peer_port() == m_peer_port;
53 };
54
55 String to_string() const
56 {
57 return String::format(
58 "%s:%d -> %s:%d",
59 m_local_address.to_string().characters(),
60 m_local_port,
61 m_peer_address.to_string().characters(),
62 m_peer_port);
63 }
64
65private:
66 IPv4Address m_local_address;
67 u16 m_local_port { 0 };
68 IPv4Address m_peer_address;
69 u16 m_peer_port { 0 };
70};
71
72namespace AK {
73
74template<>
75struct Traits<IPv4SocketTuple> : public GenericTraits<IPv4SocketTuple> {
76 static unsigned hash(const IPv4SocketTuple& tuple)
77 {
78 auto h1 = pair_int_hash(tuple.local_address().to_u32(), tuple.local_port());
79 auto h2 = pair_int_hash(tuple.peer_address().to_u32(), tuple.peer_port());
80 return pair_int_hash(h1, h2);
81 }
82};
83
84}