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/* $Id: ClientId.cpp $ */
/** @file
* DHCP server - client identifier
*/
/*
* Copyright (C) 2017-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include <algorithm>
#include "ClientId.h"
bool ClientId::g_fFormatRegistered = false;
void ClientId::registerFormat()
{
if (g_fFormatRegistered)
return;
int rc = RTStrFormatTypeRegister("id", rtStrFormat, NULL);
AssertRC(rc);
g_fFormatRegistered = true;
}
DECLCALLBACK(size_t)
ClientId::rtStrFormat(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
const char *pszType, void const *pvValue,
int cchWidth, int cchPrecision, unsigned fFlags,
void *pvUser)
{
const ClientId *id = static_cast<const ClientId *>(pvValue);
size_t cb = 0;
AssertReturn(strcmp(pszType, "id") == 0, 0);
RT_NOREF(pszType);
RT_NOREF(cchWidth, cchPrecision, fFlags);
RT_NOREF(pvUser);
if (id == NULL)
{
return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
"<NULL>");
}
if (id->m_id.present())
{
const OptClientId::value_t &idopt = id->m_id.value();
cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
"[");
for (size_t i = 0; i < idopt.size(); ++i)
{
cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
"%s%02x", (i == 0 ? "" : ":"), idopt[i]);
}
cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
"] (");
}
cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
"%RTmac", &id->m_mac);
if (id->m_id.present())
{
cb += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
")");
}
return 0;
}
bool operator==(const ClientId &l, const ClientId &r)
{
if (l.m_id.present())
{
if (r.m_id.present())
return l.m_id.value() == r.m_id.value();
}
else
{
if (!r.m_id.present())
return l.m_mac == r.m_mac;
}
return false;
}
bool operator<(const ClientId &l, const ClientId &r)
{
if (l.m_id.present())
{
if (r.m_id.present())
return l.m_id.value() < r.m_id.value();
else
return false; /* the one with id comes last */
}
else
{
if (r.m_id.present())
return true; /* the one with id comes last */
else
return l.m_mac < r.m_mac;
}
}
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