VirtualBox

source: vbox/trunk/src/VBox/NetworkServices/Dhcpd/DHCPD.h

Last change on this file was 106061, checked in by vboxsync, 3 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.5 KB
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1/* $Id: DHCPD.h 106061 2024-09-16 14:03:52Z vboxsync $ */
2/** @file
3 * DHCP server - protocol logic
4 */
5
6/*
7 * Copyright (C) 2017-2024 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h
29#define VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34#include "DhcpdInternal.h"
35#include <iprt/cpp/ministring.h>
36#include "Config.h"
37#include "DhcpMessage.h"
38#include "Db.h"
39
40
41/**
42 * The core of the DHCP server.
43 *
44 * This class is feed DhcpClientMessages that VBoxNetDhcpd has picked up from
45 * the network. After processing a message it returns the appropriate response
46 * (if any) which VBoxNetDhcpd sends out.
47 */
48class DHCPD
49{
50 /** The DHCP configuration. */
51 const Config *m_pConfig;
52 /** The lease database. */
53 Db m_db;
54
55public:
56 DHCPD();
57
58 int init(const Config *) RT_NOEXCEPT;
59
60 DhcpServerMessage *process(const std::unique_ptr<DhcpClientMessage> &req) RT_NOEXCEPT
61 {
62 if (req.get() != NULL)
63 return process(*req.get());
64 return NULL;
65 }
66
67 DhcpServerMessage *process(DhcpClientMessage &req) RT_NOEXCEPT;
68
69private:
70 /** @name DHCP message processing methods
71 * @{ */
72 DhcpServerMessage *i_doDiscover(const DhcpClientMessage &req);
73 DhcpServerMessage *i_doRequest(const DhcpClientMessage &req);
74 DhcpServerMessage *i_doInform(const DhcpClientMessage &req);
75 DhcpServerMessage *i_doDecline(const DhcpClientMessage &req) RT_NOEXCEPT;
76 DhcpServerMessage *i_doRelease(const DhcpClientMessage &req) RT_NOEXCEPT;
77
78 DhcpServerMessage *i_createMessage(int type, const DhcpClientMessage &req);
79 /** @} */
80
81 /** @name Lease database handling
82 * @{ */
83 int i_loadLeases() RT_NOEXCEPT;
84 void i_saveLeases() RT_NOEXCEPT;
85 /** @} */
86};
87
88#endif /* !VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h */
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