diff options
Diffstat (limited to 'src/VBox/NetworkServices/Dhcpd/DHCPD.h')
-rw-r--r-- | src/VBox/NetworkServices/Dhcpd/DHCPD.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/VBox/NetworkServices/Dhcpd/DHCPD.h b/src/VBox/NetworkServices/Dhcpd/DHCPD.h new file mode 100644 index 00000000..5b938868 --- /dev/null +++ b/src/VBox/NetworkServices/Dhcpd/DHCPD.h @@ -0,0 +1,88 @@ +/* $Id: DHCPD.h $ */ +/** @file + * DHCP server - protocol logic + */ + +/* + * Copyright (C) 2017-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#ifndef VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h +#define VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include "DhcpdInternal.h" +#include <iprt/cpp/ministring.h> +#include "Config.h" +#include "DhcpMessage.h" +#include "Db.h" + + +/** + * The core of the DHCP server. + * + * This class is feed DhcpClientMessages that VBoxNetDhcpd has picked up from + * the network. After processing a message it returns the appropriate response + * (if any) which VBoxNetDhcpd sends out. + */ +class DHCPD +{ + /** The DHCP configuration. */ + const Config *m_pConfig; + /** The lease database. */ + Db m_db; + +public: + DHCPD(); + + int init(const Config *) RT_NOEXCEPT; + + DhcpServerMessage *process(const std::unique_ptr<DhcpClientMessage> &req) RT_NOEXCEPT + { + if (req.get() != NULL) + return process(*req.get()); + return NULL; + } + + DhcpServerMessage *process(DhcpClientMessage &req) RT_NOEXCEPT; + +private: + /** @name DHCP message processing methods + * @{ */ + DhcpServerMessage *i_doDiscover(const DhcpClientMessage &req); + DhcpServerMessage *i_doRequest(const DhcpClientMessage &req); + DhcpServerMessage *i_doInform(const DhcpClientMessage &req); + DhcpServerMessage *i_doDecline(const DhcpClientMessage &req) RT_NOEXCEPT; + DhcpServerMessage *i_doRelease(const DhcpClientMessage &req) RT_NOEXCEPT; + + DhcpServerMessage *i_createMessage(int type, const DhcpClientMessage &req); + /** @} */ + + /** @name Lease database handling + * @{ */ + int i_loadLeases() RT_NOEXCEPT; + void i_saveLeases() RT_NOEXCEPT; + /** @} */ +}; + +#endif /* !VBOX_INCLUDED_SRC_Dhcpd_DHCPD_h */ |