dhcp_server.h File Reference

DHCP server (Dynamic Host Configuration Protocol) More...

#include "core/net.h"

Go to the source code of this file.

Data Structures
struct	DhcpServerBinding
	DHCP binding. More...
struct	DhcpServerSettings
	DHCP server settings. More...
struct	_DhcpServerContext
	DHCP server context. More...

Macros
#define	DHCP_SERVER_SUPPORT   DISABLED
#define	DHCP_SERVER_TICK_INTERVAL   1000
#define	DHCP_SERVER_MAX_CLIENTS   16
#define	DHCP_SERVER_DEFAULT_LEASE_TIME   86400
#define	DHCP_SERVER_MAX_DNS_SERVERS   2
#define	DHCP_SERVER_PRIVATE_CONTEXT
#define	DhcpServerContext   struct _DhcpServerContext

Typedefs
typedef void(*	DhcpServerAddOptionsCallback) (DhcpServerContext *context, DhcpMessage *message, size_t *length, DhcpMessageType type)
	Add DHCP options callback. More...
typedef error_t(*	DhcpServerParseOptionsCallback) (DhcpServerContext *context, const DhcpMessage *message, size_t length, DhcpMessageType type)
	Parse DHCP options callback. More...

Functions
void	dhcpServerGetDefaultSettings (DhcpServerSettings *settings)
	Initialize settings with default values. More...
error_t	dhcpServerInit (DhcpServerContext *context, const DhcpServerSettings *settings)
	DHCP server initialization. More...
error_t	dhcpServerStart (DhcpServerContext *context)
	Start DHCP server. More...
error_t	dhcpServerStop (DhcpServerContext *context)
	Stop DHCP server. More...
void	dhcpServerDeinit (DhcpServerContext *context)
	Release DHCP server context. More...

Detailed Description

DHCP server (Dynamic Host Configuration Protocol)

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneTCP Open.

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; either version 2 of the License, or (at your option) any later version.

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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author

Oryx Embedded SARL (www.oryx-embedded.com)

Version

2.5.4

Definition in file dhcp_server.h.

Macro Definition Documentation

DHCP_SERVER_DEFAULT_LEASE_TIME

#define DHCP_SERVER_DEFAULT_LEASE_TIME   86400

Definition at line 60 of file dhcp_server.h.

DHCP_SERVER_MAX_CLIENTS

#define DHCP_SERVER_MAX_CLIENTS   16

Definition at line 53 of file dhcp_server.h.

DHCP_SERVER_MAX_DNS_SERVERS

#define DHCP_SERVER_MAX_DNS_SERVERS   2

Definition at line 67 of file dhcp_server.h.

DHCP_SERVER_PRIVATE_CONTEXT

#define DHCP_SERVER_PRIVATE_CONTEXT

Definition at line 74 of file dhcp_server.h.

DHCP_SERVER_SUPPORT

#define DHCP_SERVER_SUPPORT   DISABLED

Definition at line 39 of file dhcp_server.h.

DHCP_SERVER_TICK_INTERVAL

#define DHCP_SERVER_TICK_INTERVAL   1000

Definition at line 46 of file dhcp_server.h.

DhcpServerContext

#define DhcpServerContext   struct _DhcpServerContext

Definition at line 79 of file dhcp_server.h.

Typedef Documentation

DhcpServerAddOptionsCallback

typedef void(* DhcpServerAddOptionsCallback) (DhcpServerContext *context, DhcpMessage *message, size_t *length, DhcpMessageType type)

Add DHCP options callback.

Definition at line 91 of file dhcp_server.h.

DhcpServerParseOptionsCallback

typedef error_t(* DhcpServerParseOptionsCallback) (DhcpServerContext *context, const DhcpMessage *message, size_t length, DhcpMessageType type)

Parse DHCP options callback.

Definition at line 99 of file dhcp_server.h.

Function Documentation

dhcpServerDeinit()

void dhcpServerDeinit

(

DhcpServerContext *

context

)

Release DHCP server context.

Parameters

[in]

context

Pointer to the DHCP server context

Definition at line 244 of file dhcp_server.c.

dhcpServerGetDefaultSettings()

void dhcpServerGetDefaultSettings

(

DhcpServerSettings *

settings

)

Initialize settings with default values.

Parameters

[out]

settings

Structure that contains DHCP server settings

Definition at line 58 of file dhcp_server.c.

dhcpServerInit()

error_t dhcpServerInit	(	DhcpServerContext *	context,
		const DhcpServerSettings *	settings
	)

DHCP server initialization.

Parameters

[in]	context	Pointer to the DHCP server context
[in]	settings	DHCP server specific settings

Returns

Error code

Definition at line 102 of file dhcp_server.c.

dhcpServerStart()

error_t dhcpServerStart

(

DhcpServerContext *

context

)

Start DHCP server.

Parameters

[in]

context

Pointer to the DHCP server context

Returns

Error code

Definition at line 151 of file dhcp_server.c.

dhcpServerStop()

error_t dhcpServerStop

(

DhcpServerContext *

context

)

Stop DHCP server.

Parameters

[in]

context

Pointer to the DHCP server context

Returns

Error code

Definition at line 204 of file dhcp_server.c.