VirtualBox

source: vbox/trunk/src/VBox/NetworkServices/Dhcpd/ClientId.cpp

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: 3.9 KB
Line 
1/* $Id: ClientId.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2/** @file
3 * DHCP server - client identifier
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
29/*********************************************************************************************************************************
30* Header Files *
31*********************************************************************************************************************************/
32#include <algorithm>
33#include "ClientId.h"
34
35
36/*********************************************************************************************************************************
37* Global Variables *
38*********************************************************************************************************************************/
39/** Indiciates wherther ClientId::rtStrFormat was already registered. */
40bool ClientId::g_fFormatRegistered = false;
41
42
43/**
44 * Registers the ClientId format type callback ("%R[id]").
45 */
46void ClientId::registerFormat() RT_NOEXCEPT
47{
48 if (!g_fFormatRegistered)
49 {
50 int rc = RTStrFormatTypeRegister("id", rtStrFormat, NULL);
51 AssertRC(rc);
52 g_fFormatRegistered = RT_SUCCESS(rc);
53 }
54}
55
56
57/**
58 * @callback_method_impl{FNRTSTRFORMATTYPE, Formats ClientId via "%R[id]". }
59 */
60DECLCALLBACK(size_t)
61ClientId::rtStrFormat(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
62 const char *pszType, void const *pvValue,
63 int cchWidth, int cchPrecision, unsigned fFlags,
64 void *pvUser)
65{
66 RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser);
67 Assert(strcmp(pszType, "id") == 0);
68
69 const ClientId *pThis = static_cast<const ClientId *>(pvValue);
70 if (pThis == NULL)
71 return pfnOutput(pvArgOutput, RT_STR_TUPLE("<NULL>"));
72
73 size_t cb = 0;
74 if (pThis->m_id.present())
75 {
76 cb += pfnOutput(pvArgOutput, RT_STR_TUPLE("["));
77
78 const OptClientId::value_t &idopt = pThis->m_id.value();
79 for (size_t i = 0; i < idopt.size(); ++i)
80 cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%s%02x", (i == 0 ? "" : ":"), idopt[i]);
81
82 cb += pfnOutput(pvArgOutput, RT_STR_TUPLE("] ("));
83 }
84
85 cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%RTmac", &pThis->m_mac);
86
87 if (pThis->m_id.present())
88 cb += pfnOutput(pvArgOutput, RT_STR_TUPLE(")"));
89
90 return cb;
91}
92
93
94bool operator==(const ClientId &l, const ClientId &r) RT_NOEXCEPT
95{
96 if (l.m_id.present())
97 {
98 if (r.m_id.present())
99 return l.m_id.value() == r.m_id.value();
100 }
101 else
102 {
103 if (!r.m_id.present())
104 return l.m_mac == r.m_mac;
105 }
106
107 return false;
108}
109
110
111bool operator<(const ClientId &l, const ClientId &r) RT_NOEXCEPT
112{
113 if (l.m_id.present())
114 {
115 if (r.m_id.present())
116 return l.m_id.value() < r.m_id.value();
117 return false; /* the one with id comes last */
118 }
119 else
120 {
121 if (r.m_id.present())
122 return true; /* the one with id comes last */
123 return l.m_mac < r.m_mac;
124 }
125}
126
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