/****************************************************************************
* examples/webserver/webserver_main.c
*
* Copyright (C) 2007, 2009-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Based on uIP which also has a BSD style license:
*
* Copyright (c) 2001, Adam Dunkels.
* All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Adam Dunkels.
* 4. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <sys/ioctl.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <debug.h>
#include <net/if.h>
#include <netinet/in.h>
#include <nuttx/net/arp.h>
#include <apps/netutils/netlib.h>
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
#include <arpa/inet.h>
#endif
/* Here we include the header file for the application(s) we use in
* our project as defined in the config/<board-name>/defconfig file
*/
/* DHCPC may be used in conjunction with any other feature (or not) */
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
# include <apps/netutils/dnsclient.h>
# include <apps/netutils/dhcpc.h>
#endif
/* Include uIP webserver definitions */
#include <apps/netutils/httpd.h>
#include "cgi.h"
/****************************************************************************
* Definitions
****************************************************************************/
#ifdef CONFIG_CPP_HAVE_VARARGS
# ifdef CONFIG_DEBUG
# define message(...) lowsyslog(__VA_ARGS__)
# else
# define message(...) printf(__VA_ARGS__)
# endif
#else
# ifdef CONFIG_DEBUG
# define message lowsyslog
# else
# define message (void)
# endif
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* webserver_main
****************************************************************************/
int webserver_main(int argc, char *argv[])
{
struct in_addr addr;
#if defined(CONFIG_EXAMPLES_WEBSERVER_DHCPC) || defined(CONFIG_EXAMPLES_WEBSERVER_NOMAC)
uint8_t mac[IFHWADDRLEN];
#endif
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
void *handle;
#endif
/* Many embedded network interfaces must have a software assigned MAC */
#ifdef CONFIG_EXAMPLES_WEBSERVER_NOMAC
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xde;
mac[3] = 0xad;
mac[4] = 0xbe;
mac[5] = 0xef;
netlib_setmacaddr("eth0", mac);
#endif
/* Set up our host address */
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
addr.s_addr = 0;
#else
addr.s_addr = HTONL(CONFIG_EXAMPLES_WEBSERVER_IPADDR);
#endif
netlib_sethostaddr("eth0", &addr);
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLES_WEBSERVER_DRIPADDR);
netlib_setdraddr("eth0", &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLES_WEBSERVER_NETMASK);
netlib_setnetmask("eth0", &addr);
#ifdef CONFIG_EXAMPLES_WEBSERVER_DHCPC
/* Set up the resolver */
dns_bind();
/* Get the MAC address of the NIC */
netlib_getmacaddr("eth0", mac);
/* Set up the DHCPC modules */
handle = dhcpc_open(&mac, IFHWADDRLEN);
/* Get an IP address. Note: there is no logic here for renewing the address in this
* example. The address should be renewed in ds.lease_time/2 seconds.
*/
printf("Getting IP address\n");
if (handle)
{
struct dhcpc_state ds;
(void)dhcpc_request(handle, &ds);
netlib_sethostaddr("eth1", &ds.ipaddr);
if (ds.netmask.s_addr != 0)
{
netlib_setnetmask("eth0", &ds.netmask);
}
if (ds.default_router.s_addr != 0)
{
netlib_setdraddr("eth0", &ds.default_router);
}
if (ds.dnsaddr.s_addr != 0)
{
dns_setserver(&ds.dnsaddr);
}
dhcpc_close(handle);
printf("IP: %s\n", inet_ntoa(ds.ipaddr));
}
#endif
#ifdef CONFIG_NET_TCP
printf("Starting webserver\n");
httpd_init();
cgi_register();
httpd_listen();
#endif
while (1)
{
sleep(3);
printf("webserver_main: Still running\n");
#if CONFIG_NFILE_DESCRIPTORS > 0
fflush(stdout);
#endif
}
return 0;
}