/****************************************************************************
* apps/examples/thttpd/thttpd_main.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <debug.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/ether.h>
#include "netutils/netlib.h"
#include "netutils/thttpd.h"
#include <nuttx/drivers/ramdisk.h>
#ifdef CONFIG_THTTPD_NXFLAT
# include <sys/boardctl.h>
#endif
#ifdef CONFIG_NET_SLIP
# include <nuttx/net/net.h>
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Check configuration. This is not all of the configuration settings that
* are required -- only the more obvious.
*/
#ifdef CONFIG_BINFMT_DISABLE
# error "You must not disable loadable modules via CONFIG_BINFMT_DISABLE in your configuration file"
#endif
#ifdef CONFIG_THTTPD_NXFLAT
# ifndef CONFIG_NXFLAT
# error "You must select CONFIG_NXFLAT in your configuration file"
# endif
# ifndef CONFIG_FS_ROMFS
# error "You must select CONFIG_FS_ROMFS in your configuration file"
# endif
# ifdef CONFIG_DISABLE_MOUNTPOINT
# error "You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT in your configuration file"
# endif
#ifndef CONFIG_BOARDCTL_ROMDISK
# error "CONFIG_BOARDCTL_ROMDISK should be enabled in the configuration file"
#endif
#endif
#ifdef CONFIG_THTTPD_BINFS
# ifndef CONFIG_BUILTIN
# error "You must select CONFIG_BUILTIN=y in your configuration file"
# endif
# ifndef CONFIG_FS_BINFS
# error "You must select CONFIG_FS_BINFS=y in your configuration file"
# endif
# ifndef CONFIG_FS_UNIONFS
# error "CONFIG_FS_UNIONFS=y is required in this configuration"
# endif
#endif
/* Ethernet specific configuration */
#ifdef CONFIG_NET_ETHERNET
/* Use the standard Ethernet device name */
# define NET_DEVNAME "eth0"
#else
/* No Ethernet -> No MAC address operations */
# undef CONFIG_EXAMPLES_THTTPD_NOMAC
#endif
/* SLIP-specific configuration */
#ifdef CONFIG_NET_SLIP
/* TTY device to use */
# ifndef CONFIG_NET_SLIPTTY
# define CONFIG_NET_SLIPTTY "/dev/ttyS1"
# endif
# define SLIP_DEVNO 0
# ifndef NET_DEVNAME
# define NET_DEVNAME "sl0"
# endif
#endif
/* Describe the ROMFS file system */
#define SECTORSIZE 64
#define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE)
#define ROMFSDEV "/dev/ram0"
#ifdef CONFIG_THTTPD_BINFS
# define ROMFS_MOUNTPT "/mnt/tmp1"
# define ROMFS_PREFIX ""
# define BINFS_MOUNTPT "/mnt/tmp2"
# define BINFS_PREFIX "cgi-bin"
# define UNIONFS_MOUNTPT CONFIG_THTTPD_PATH
#else
# define ROMFS_MOUNTPT CONFIG_THTTPD_PATH
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef CONFIG_THTTPD_NXFLAT
/* These values must be provided by the user before the THTTPD task daemon
* is started:
*
* g_thttpdsymtab: A symbol table describing all of the symbols exported
* from the base system. These symbols are used to bind address references
* in CGI programs to NuttX.
* g_nsymbols: The number of symbols in g_thttpdsymtab[].
*/
FAR const struct symtab_s *g_thttpdsymtab;
int g_thttpdnsymbols;
#endif
/****************************************************************************
* Symbols from Auto-Generated Code
****************************************************************************/
extern const unsigned char romfs_img[];
extern const unsigned int romfs_img_len;
#ifdef CONFIG_THTTPD_NXFLAT
extern const struct symtab_s g_thttpd_exports[];
extern const int g_thttpd_nexports;
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* thttp_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
struct in_addr addr;
#ifdef CONFIG_EXAMPLES_THTTPD_NOMAC
uint8_t mac[IFHWADDRLEN];
#endif
char *thttpd_argv = "thttpd";
int ret;
#ifdef CONFIG_THTTPD_NXFLAT
struct boardioc_romdisk_s desc;
#endif
/* Configure SLIP */
#ifdef CONFIG_NET_SLIP
ret = slip_initialize(SLIP_DEVNO, CONFIG_NET_SLIPTTY);
if (ret < 0)
{
printf("ERROR: SLIP initialization failed: %d\n", ret);
exit(1);
}
#endif
/* Many embedded network interfaces must have a software assigned MAC */
#ifdef CONFIG_EXAMPLES_THTTPD_NOMAC
printf("Assigning MAC\n");
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xde;
mac[3] = 0xad;
mac[4] = 0xbe;
mac[5] = 0xef;
netlib_setmacaddr(NET_DEVNAME, mac);
#endif
/* Set up our host address */
printf("Setup network addresses\n");
addr.s_addr = HTONL(CONFIG_THTTPD_IPADDR);
netlib_set_ipv4addr(NET_DEVNAME, &addr);
/* Set up the default router address */
addr.s_addr = HTONL(CONFIG_EXAMPLES_THTTPD_DRIPADDR);
netlib_set_dripv4addr(NET_DEVNAME, &addr);
/* Setup the subnet mask */
addr.s_addr = HTONL(CONFIG_EXAMPLES_THTTPD_NETMASK);
netlib_set_ipv4netmask(NET_DEVNAME, &addr);
/* New versions of netlib_set_ipvXaddr will not bring the network up,
* So ensure the network is really up at this point.
*/
netlib_ifup("eth0");
#ifdef CONFIG_THTTPD_NXFLAT
/* Create a ROM disk for the ROMFS filesystem */
printf("Registering romdisk\n");
desc.minor = 0; /* Minor device number of the ROM disk. */
desc.nsectors = NSECTORS(romfs_img_len); /* The number of sectors in the ROM disk */
desc.sectsize = SECTORSIZE; /* The size of one sector in bytes */
desc.image = (FAR uint8_t *)romfs_img; /* File system image */
ret = boardctl(BOARDIOC_ROMDISK, (uintptr_t)&desc);
if (ret < 0)
{
printf("ERROR: romdisk_register failed: %d\n", ret);
exit(1);
}
/* Mount the ROMFS file system */
printf("Mounting ROMFS filesystem at target=%s with source=%s\n",
ROMFS_MOUNTPT, ROMFSDEV);
ret = mount(ROMFSDEV, ROMFS_MOUNTPT, "romfs", MS_RDONLY, NULL);
if (ret < 0)
{
printf("ERROR: mount(%s,%s,romfs) failed: %d\n",
ROMFSDEV, ROMFS_MOUNTPT, errno);
}
#endif
#ifdef CONFIG_THTTPD_BINFS
/* Mount the BINFS file system */
printf("Mounting BINFS filesystem at %s\n", BINFS_MOUNTPT);
ret = mount(NULL, BINFS_MOUNTPT, "binfs", MS_RDONLY, NULL);
if (ret < 0)
{
printf("ERROR: mount(NULL,%s,binfs) failed: %d\n",
BINFS_MOUNTPT, errno);
}
/* Now create and mount the union file system */
printf("Creating UNIONFS filesystem at %s\n", UNIONFS_MOUNTPT);
ret = mount(NULL, UNIONFS_MOUNTPT, "unionfs", 0,
"fspath1=" ROMFS_MOUNTPT ",prefix1=" ROMFS_PREFIX
",fspath2=" BINFS_MOUNTPT ",prefix2=" BINFS_PREFIX);
if (ret < 0)
{
printf("ERROR: Failed to create the union file system at %s: %d\n",
UNIONFS_MOUNTPT, ret);
}
#endif
/* Start THTTPD. At present, symbol table info is passed via
* global variables.
*/
#ifdef CONFIG_THTTPD_NXFLAT
g_thttpdsymtab = g_thttpd_exports;
g_thttpdnsymbols = g_thttpd_nexports;
#endif
printf("Starting THTTPD\n");
fflush(stdout);
thttpd_main(1, &thttpd_argv);
printf("THTTPD terminated\n");
fflush(stdout);
return 0;
}