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/****************************************************************************
* examples/dhcpd/target.c
*
* Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name Gregory Nutt nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <apps/netutils/uiplib.h>
#include <apps/netutils/dhcpd.h>
/****************************************************************************
* Preprocessor Definitions
****************************************************************************/
/* Configuation Checkes *****************************************************/
/* BEWARE:
* There are other configuration settings needed in netutils/dhcpd/dhcpdc.c,
* but there are default values for those so we cannot check them here.
*/
#ifndef CONFIG_EXAMPLE_DHCPD_IPADDR
# error "You must define CONFIG_EXAMPLE_DHCPD_IPADDR"
#endif
#ifndef CONFIG_EXAMPLE_DHCPD_DRIPADDR
# error "You must define CONFIG_EXAMPLE_DHCPD_DRIPADDR"
#endif
#ifndef CONFIG_EXAMPLE_DHCPD_NETMASK
# error "You must define CONFIG_EXAMPLE_DHCPD_NETMASK"
#endif
#ifndef CONFIG_NET
# error "You must define CONFIG_NET"
#endif
#ifndef CONFIG_NET_UDP
# error "You must define CONFIG_NET_UDP"
#endif
#ifndef CONFIG_NET_BROADCAST
# error "You must define CONFIG_NET_BROADCAST"
#endif
/* If CONFIG_NSH_BUILTIN_APPS is defined, then it is assumed that you want
* to execute the DHCPD daemon as an NSH built-in task.
*/
#ifdef CONFIG_NSH_BUILTIN_APPS
# define MAIN_NAME dhcpd_main
# define MAIN_NAME_STRING "dhcpd_main"
#else
# define MAIN_NAME user_start
# define MAIN_NAME_STRING "user_start"
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Name: user_start/dhcpd_main
****************************************************************************/
int MAIN_NAME(int argc, char *argv[])
{
struct in_addr addr;
#if defined(CONFIG_EXAMPLE_DHCPD_NOMAC)
uint8_t mac[IFHWADDRLEN];
#endif
/* Many embedded network interfaces must have a software assigned MAC */
#ifdef CONFIG_EXAMPLE_DHCPD_NOMAC
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xb0;
mac[3] = 0x0b;
mac[4] = 0xba;
mac[5] = 0xbe;
uip_setmacaddr("eth0", mac);
#endif
/* Set up our host address */
addr.s_addr = HTONL(CONFIG_EXAMPLE_DHCPD_IPADDR);
uip_sethostaddr("eth0", &addr);
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLE_DHCPD_DRIPADDR);
uip_setdraddr("eth0", &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLE_DHCPD_NETMASK);
uip_setnetmask("eth0", &addr);
/* Then start the server */
dhcpd_run();
return 0;
}
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