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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 <Kernel/Net/IPv4Socket.h>
30
31namespace Kernel {
32
33class UDPSocket final : public IPv4Socket {
34public:
35 static NonnullRefPtr<UDPSocket> create(int protocol);
36 virtual ~UDPSocket() override;
37
38 static SocketHandle<UDPSocket> from_port(u16);
39 static void for_each(Function<void(UDPSocket&)>);
40
41private:
42 explicit UDPSocket(int protocol);
43 virtual const char* class_name() const override { return "UDPSocket"; }
44 static Lockable<HashMap<u16, UDPSocket*>>& sockets_by_port();
45
46 virtual int protocol_receive(const KBuffer&, void* buffer, size_t buffer_size, int flags) override;
47 virtual int protocol_send(const void*, size_t) override;
48 virtual KResult protocol_connect(FileDescription&, ShouldBlock) override;
49 virtual int protocol_allocate_local_port() override;
50 virtual KResult protocol_bind() override;
51};
52
53}