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Diffstat (limited to 'apps/examples/wget/target.c')
-rw-r--r-- | apps/examples/wget/target.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/apps/examples/wget/target.c b/apps/examples/wget/target.c new file mode 100644 index 000000000..b378e9944 --- /dev/null +++ b/apps/examples/wget/target.c @@ -0,0 +1,162 @@ +/**************************************************************************** + * examples/wget/target.c + * + * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 <unistd.h> + +#include <netinet/in.h> +#include <arpa/inet.h> +#include <net/if.h> + +#include <net/uip/uip.h> + +#include <apps/netutils/uiplib.h> +#include <apps/netutils/resolv.h> +#include <apps/netutils/webclient.h> + +/**************************************************************************** + * Preprocessor Definitions + ****************************************************************************/ + +/* Configuation Checks ******************************************************/ +/* BEWARE: + * There are other configuration settings needed in netutitls/wget/wgetc.s, + * but there are default values for those so we cannot check them here. + */ + +#ifndef CONFIG_EXAMPLE_WGET_IPADDR +# error "You must define CONFIG_EXAMPLE_WGET_IPADDR" +#endif + +#ifndef CONFIG_EXAMPLE_WGET_DRIPADDR +# error "You must define CONFIG_EXAMPLE_WGET_DRIPADDR" +#endif + +#ifndef CONFIG_EXAMPLE_WGET_NETMASK +# error "You must define CONFIG_EXAMPLE_WGET_NETMASK" +#endif + +#ifndef CONFIG_NET +# error "You must define CONFIG_NET" +#endif + +#ifndef CONFIG_NET_TCP +# error "You must define CONFIG_NET_TCP" +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static char g_iobuffer[512]; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ +/**************************************************************************** + * Name: callback + ****************************************************************************/ + +static void callback(FAR char **buffer, int offset, int datend, + FAR int *buflen, FAR void *arg) +{ + (void)write(1, &((*buffer)[offset]), datend - offset); +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ +/**************************************************************************** + * user_initialize + ****************************************************************************/ + +#ifndef CONFIG_HAVE_WEAKFUNCTIONS +void user_initialize(void) +{ + /* Stub that must be provided only if the toolchain does not support weak + * functions. + */ +} +#endif + +/**************************************************************************** + * user_start + ****************************************************************************/ + +int user_start(int argc, char *argv[]) +{ + struct in_addr addr; +#if defined(CONFIG_EXAMPLE_WGET_NOMAC) + uint8_t mac[IFHWADDRLEN]; +#endif + +/* Many embedded network interfaces must have a software assigned MAC */ + +#ifdef CONFIG_EXAMPLE_WGET_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_WGET_IPADDR); + uip_sethostaddr("eth0", &addr); + + /* Set up the default router address */ + + addr.s_addr = HTONL(CONFIG_EXAMPLE_WGET_DRIPADDR); + uip_setdraddr("eth0", &addr); + + /* Setup the subnet mask */ + + addr.s_addr = HTONL(CONFIG_EXAMPLE_WGET_NETMASK); + uip_setnetmask("eth0", &addr); + + /* Then start the server */ + + wget(CONFIG_EXAMPLE_WGET_URL, g_iobuffer, 512, callback, NULL); + return 0; +} |