/**************************************************************************** * examples/thttpd/main.c * * Copyright (C) 2009-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_NET_SLIP # include #endif #include "content/romfs.h" #include "content/symtab.h" /**************************************************************************** * Definitions ****************************************************************************/ /* Check configuration. This is not all of the configuration settings that * are required -- only the more obvious. */ #if CONFIG_NFILE_DESCRIPTORS < 1 # error "You must provide file descriptors via CONFIG_NFILE_DESCRIPTORS in your configuration file" #endif #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 #ifdef CONFIG_BINFMT_DISABLE # error "You must not disable loadable modules via CONFIG_BINFMT_DISABLE in your configuration file" #endif /* SLIP-specific configuration */ #ifdef CONFIG_NET_SLIP /* No MAC address operations */ # undef CONFIG_EXAMPLE_THTTPD_NOMAC /* TTY device to use */ # ifndef CONFIG_NET_SLIPTTY # define CONFIG_NET_SLIPTTY "/dev/ttyS1" # endif # define SLIP_DEVNO 0 # define NET_DEVNAME "sl0" #else /* Otherwise, use the standard ethernet device name */ # define NET_DEVNAME "eth0" #endif /* Describe the ROMFS file system */ #define SECTORSIZE 512 #define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE) #define ROMFSDEV "/dev/ram0" #define MOUNTPT CONFIG_THTTPD_PATH #ifdef CONFIG_CPP_HAVE_VARARGS # ifdef CONFIG_DEBUG # define message(...) lib_lowprintf(__VA_ARGS__) # define msgflush() # else # define message(...) printf(__VA_ARGS__) # define msgflush() fflush(stdout) # endif #else # ifdef CONFIG_DEBUG # define message lib_lowprintf # define msgflush() # else # define message printf # define msgflush() fflush(stdout) # endif #endif /**************************************************************************** * Private Data ****************************************************************************/ /**************************************************************************** * Public Data ****************************************************************************/ /* 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; /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * thttp_main ****************************************************************************/ int thttp_main(int argc, char *argv[]) { struct in_addr addr; #ifdef CONFIG_EXAMPLE_THTTPD_NOMAC uint8_t mac[IFHWADDRLEN]; #endif char *thttpd_argv = "thttpd"; int ret; /* Configure SLIP */ #ifdef CONFIG_NET_SLIP ret = slip_initialize(SLIP_DEVNO, CONFIG_NET_SLIPTTY); if (ret < 0) { message("ERROR: SLIP initialization failed: %d\n", ret); exit(1); } #endif /* Many embedded network interfaces must have a software assigned MAC */ #ifdef CONFIG_EXAMPLE_THTTPD_NOMAC message("Assigning MAC\n"); mac[0] = 0x00; mac[1] = 0xe0; mac[2] = 0xde; mac[3] = 0xad; mac[4] = 0xbe; mac[5] = 0xef; uip_setmacaddr(NET_DEVNAME, mac); #endif /* Set up our host address */ message("Setup network addresses\n"); addr.s_addr = HTONL(CONFIG_THTTPD_IPADDR); uip_sethostaddr(NET_DEVNAME, &addr); /* Set up the default router address */ addr.s_addr = HTONL(CONFIG_EXAMPLE_THTTPD_DRIPADDR); uip_setdraddr(NET_DEVNAME, &addr); /* Setup the subnet mask */ addr.s_addr = HTONL(CONFIG_EXAMPLE_THTTPD_NETMASK); uip_setnetmask(NET_DEVNAME, &addr); /* Initialize the NXFLAT binary loader */ message("Initializing the NXFLAT binary loader\n"); ret = nxflat_initialize(); if (ret < 0) { message("ERROR: Initialization of the NXFLAT loader failed: %d\n", ret); exit(2); } /* Create a ROM disk for the ROMFS filesystem */ message("Registering romdisk\n"); ret = romdisk_register(0, (uint8_t*)romfs_img, NSECTORS(romfs_img_len), SECTORSIZE); if (ret < 0) { message("ERROR: romdisk_register failed: %d\n", ret); nxflat_uninitialize(); exit(1); } /* Mount the file system */ message("Mounting ROMFS filesystem at target=%s with source=%s\n", MOUNTPT, ROMFSDEV); ret = mount(ROMFSDEV, MOUNTPT, "romfs", MS_RDONLY, NULL); if (ret < 0) { message("ERROR: mount(%s,%s,romfs) failed: %s\n", ROMFSDEV, MOUNTPT, errno); nxflat_uninitialize(); } /* Start THTTPD. At present, symbol table info is passed via global variables */ g_thttpdsymtab = exports; g_thttpdnsymbols = NEXPORTS; message("Starting THTTPD\n"); msgflush(); thttpd_main(1, &thttpd_argv); message("THTTPD terminated\n"); msgflush(); return 0; }