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267 lines
7.7 KiB
267 lines
7.7 KiB
/**************************************************************************** |
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* examples/thttpd/thttpd_main.c |
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* |
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* Copyright (C) 2009-2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name Gregory Nutt nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#include <sys/ioctl.h> |
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#include <sys/mount.h> |
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#include <stdint.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <errno.h> |
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#include <debug.h> |
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#include <net/if.h> |
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#include <netinet/ether.h> |
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#include <nuttx/net/uip/uip-arp.h> |
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#include <apps/netutils/uiplib.h> |
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#include <apps/netutils/thttpd.h> |
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#include <nuttx/ramdisk.h> |
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#include <nuttx/binfmt.h> |
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#include <nuttx/nxflat.h> |
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#ifdef CONFIG_NET_SLIP |
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# include <nuttx/net/net.h> |
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#endif |
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#include "content/romfs.h" |
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#include "content/symtab.h" |
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/**************************************************************************** |
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* Definitions |
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****************************************************************************/ |
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/* Check configuration. This is not all of the configuration settings that |
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* are required -- only the more obvious. |
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*/ |
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#if CONFIG_NFILE_DESCRIPTORS < 1 |
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# error "You must provide file descriptors via CONFIG_NFILE_DESCRIPTORS in your configuration file" |
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#endif |
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#ifndef CONFIG_NXFLAT |
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# error "You must select CONFIG_NXFLAT in your configuration file" |
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#endif |
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#ifndef CONFIG_FS_ROMFS |
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# error "You must select CONFIG_FS_ROMFS in your configuration file" |
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#endif |
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#ifdef CONFIG_DISABLE_MOUNTPOINT |
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# error "You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT in your configuration file" |
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#endif |
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#ifdef CONFIG_BINFMT_DISABLE |
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# error "You must not disable loadable modules via CONFIG_BINFMT_DISABLE in your configuration file" |
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#endif |
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/* SLIP-specific configuration */ |
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#ifdef CONFIG_NET_SLIP |
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/* No MAC address operations */ |
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# undef CONFIG_EXAMPLE_THTTPD_NOMAC |
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/* TTY device to use */ |
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# ifndef CONFIG_NET_SLIPTTY |
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# define CONFIG_NET_SLIPTTY "/dev/ttyS1" |
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# endif |
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# define SLIP_DEVNO 0 |
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# define NET_DEVNAME "sl0" |
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#else |
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/* Otherwise, use the standard ethernet device name */ |
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# define NET_DEVNAME "eth0" |
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#endif |
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/* Describe the ROMFS file system */ |
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#define SECTORSIZE 512 |
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#define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE) |
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#define ROMFSDEV "/dev/ram0" |
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#define MOUNTPT CONFIG_THTTPD_PATH |
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#ifdef CONFIG_CPP_HAVE_VARARGS |
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# ifdef CONFIG_DEBUG |
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# define message(...) lib_lowprintf(__VA_ARGS__) |
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# define msgflush() |
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# else |
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# define message(...) printf(__VA_ARGS__) |
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# define msgflush() fflush(stdout) |
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# endif |
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#else |
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# ifdef CONFIG_DEBUG |
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# define message lib_lowprintf |
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# define msgflush() |
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# else |
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# define message printf |
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# define msgflush() fflush(stdout) |
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# endif |
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#endif |
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/**************************************************************************** |
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* Private Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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/* These values must be provided by the user before the THTTPD task daemon |
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* is started: |
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* |
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* g_thttpdsymtab: A symbol table describing all of the symbols exported |
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* from the base system. These symbols are used to bind address references |
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* in CGI programs to NuttX. |
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* g_nsymbols: The number of symbols in g_thttpdsymtab[]. |
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*/ |
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FAR const struct symtab_s *g_thttpdsymtab; |
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int g_thttpdnsymbols; |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* thttp_main |
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****************************************************************************/ |
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int thttp_main(int argc, char *argv[]) |
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{ |
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struct in_addr addr; |
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#ifdef CONFIG_EXAMPLE_THTTPD_NOMAC |
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uint8_t mac[IFHWADDRLEN]; |
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#endif |
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char *thttpd_argv = "thttpd"; |
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int ret; |
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/* Configure SLIP */ |
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#ifdef CONFIG_NET_SLIP |
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ret = slip_initialize(SLIP_DEVNO, CONFIG_NET_SLIPTTY); |
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if (ret < 0) |
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{ |
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message("ERROR: SLIP initialization failed: %d\n", ret); |
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exit(1); |
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} |
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#endif |
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/* Many embedded network interfaces must have a software assigned MAC */ |
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#ifdef CONFIG_EXAMPLE_THTTPD_NOMAC |
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message("Assigning MAC\n"); |
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mac[0] = 0x00; |
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mac[1] = 0xe0; |
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mac[2] = 0xde; |
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mac[3] = 0xad; |
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mac[4] = 0xbe; |
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mac[5] = 0xef; |
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uip_setmacaddr(NET_DEVNAME, mac); |
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#endif |
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/* Set up our host address */ |
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message("Setup network addresses\n"); |
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addr.s_addr = HTONL(CONFIG_THTTPD_IPADDR); |
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uip_sethostaddr(NET_DEVNAME, &addr); |
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/* Set up the default router address */ |
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addr.s_addr = HTONL(CONFIG_EXAMPLE_THTTPD_DRIPADDR); |
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uip_setdraddr(NET_DEVNAME, &addr); |
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/* Setup the subnet mask */ |
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addr.s_addr = HTONL(CONFIG_EXAMPLE_THTTPD_NETMASK); |
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uip_setnetmask(NET_DEVNAME, &addr); |
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/* Initialize the NXFLAT binary loader */ |
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message("Initializing the NXFLAT binary loader\n"); |
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ret = nxflat_initialize(); |
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if (ret < 0) |
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{ |
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message("ERROR: Initialization of the NXFLAT loader failed: %d\n", ret); |
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exit(2); |
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} |
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/* Create a ROM disk for the ROMFS filesystem */ |
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message("Registering romdisk\n"); |
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ret = romdisk_register(0, (uint8_t*)romfs_img, NSECTORS(romfs_img_len), SECTORSIZE); |
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if (ret < 0) |
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{ |
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message("ERROR: romdisk_register failed: %d\n", ret); |
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nxflat_uninitialize(); |
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exit(1); |
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} |
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/* Mount the file system */ |
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message("Mounting ROMFS filesystem at target=%s with source=%s\n", |
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MOUNTPT, ROMFSDEV); |
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ret = mount(ROMFSDEV, MOUNTPT, "romfs", MS_RDONLY, NULL); |
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if (ret < 0) |
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{ |
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message("ERROR: mount(%s,%s,romfs) failed: %s\n", |
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ROMFSDEV, MOUNTPT, errno); |
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nxflat_uninitialize(); |
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} |
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/* Start THTTPD. At present, symbol table info is passed via global variables */ |
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g_thttpdsymtab = exports; |
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g_thttpdnsymbols = NEXPORTS; |
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message("Starting THTTPD\n"); |
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msgflush(); |
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thttpd_main(1, &thttpd_argv); |
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message("THTTPD terminated\n"); |
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msgflush(); |
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return 0; |
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}
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