417 lines
12 KiB
C
417 lines
12 KiB
C
/*
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* Copyright (c) 2002, Adam Dunkels.
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* All rights reserved.
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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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* 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
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki OS
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*
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <time.h>
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#include <sys/select.h>
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#include <unistd.h>
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#include <memory.h>
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#include "contiki.h"
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#include "contiki-net.h"
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#include "lib/assert.h"
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#include "dev/serial-line.h"
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#include "net/ip/uip.h"
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#ifdef __CYGWIN__
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#include "net/wpcap-drv.h"
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#else /* __CYGWIN__ */
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#include "net/tapdev-drv.h"
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#endif /* __CYGWIN__ */
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#ifdef __CYGWIN__
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PROCINIT(&etimer_process, &tcpip_process, &wpcap_process, &serial_line_process);
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#else /* __CYGWIN__ */
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PROCINIT(&etimer_process, &tapdev_process, &tcpip_process, &serial_line_process);
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#endif /* __CYGWIN__ */
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#if RPL_BORDER_ROUTER
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#include "net/rpl/rpl.h"
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static uint16_t dag_id[] = {0x1111, 0x1100, 0, 0, 0, 0, 0, 0x0011};
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PROCESS(border_router_process, "RPL Border Router");
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PROCESS_THREAD(border_router_process, ev, data)
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{
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PROCESS_BEGIN();
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PROCESS_PAUSE();
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{
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rpl_dag_t *dag;
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char buf[sizeof(dag_id)];
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memcpy(buf,dag_id,sizeof(dag_id));
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dag = rpl_set_root((uip_ip6addr_t *)buf);
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/* Assign separate addresses to the uip stack and the host network
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interface, but with the same prefix E.g. bbbb::ff:fe00:200 to
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the stack and bbbb::1 to the host *fallback* network interface
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Otherwise the host will trap packets intended for the stack,
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just as the stack will trap packets intended for the host
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$ifconfig usb0 -arp on Ubuntu to skip the neighbor
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solicitations. Add explicit neighbors on other OSs */
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if(dag != NULL) {
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printf("Created a new RPL dag\n");
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#if UIP_CONF_ROUTER_RECEIVE_RA
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/* Contiki stack will shut down until assigned an address from the
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interface RA Currently this requires changes in the core
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rpl-icmp6.c to pass the link-local RA broadcast.
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*/
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#else
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{
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static void sprint_ip6(uip_ip6addr_t addr);
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int i;
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uip_ip6addr_t ipaddr;
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#ifdef HARD_CODED_ADDRESS
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uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
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#else
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uip_ip6addr(&ipaddr, 0xbbbb, 0, 0, 0, 0, 0, 0, 0x1);
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#endif
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uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
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uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
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rpl_set_prefix(dag, &ipaddr, 64);
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for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
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if(uip_ds6_if.addr_list[i].isused) {
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printf("IPV6 Address: ");
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sprint_ip6(uip_ds6_if.addr_list[i].ipaddr);
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printf("\n");
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}
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}
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}
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#endif
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}
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}
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/* The border router runs with a 100% duty cycle in order to ensure high
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packet reception rates. */
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/* NETSTACK_MAC.off(1); */
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while(1) {
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PROCESS_YIELD();
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/* Local and global dag repair can be done from ? */
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/* rpl_set_prefix(rpl_get_dag(RPL_ANY_INSTANCE), &ipaddr, 64);
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rpl_repair_dag(rpl_get_dag(RPL_ANY_INSTANCE)); */
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}
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PROCESS_END();
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}
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#endif /* RPL_BORDER_ROUTER */
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#if UIP_CONF_IPV6
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/*---------------------------------------------------------------------------*/
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static void
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sprint_ip6(uip_ip6addr_t addr)
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{
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unsigned char i = 0;
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unsigned char zerocnt = 0;
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unsigned char numprinted = 0;
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unsigned char notskipped = 0;
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char thestring[40];
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char *result = thestring;
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*result++ = '[';
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while(numprinted < 8) {
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if((addr.u16[i] == 0) && (zerocnt == 0)) {
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while(addr.u16[zerocnt + i] == 0) {
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zerocnt++;
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}
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if(zerocnt == 1 && notskipped) {
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*result++ = '0';
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numprinted++;
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notskipped = 1;
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continue;
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}
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i += zerocnt;
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numprinted += zerocnt;
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} else {
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result += sprintf(result, "%x", (unsigned int)(uip_ntohs(addr.u16[i])));
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i++;
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numprinted++;
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}
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if(numprinted != 8) {
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*result++ = ':';
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}
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}
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*result++=']';
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*result=0;
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printf("%s", thestring);
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}
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#endif /* UIP_CONF_IPV6 */
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/*---------------------------------------------------------------------------*/
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int contiki_argc = 0;
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char **contiki_argv;
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int
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main(int argc, char **argv)
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{
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/* crappy way of remembering and accessing argc/v */
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contiki_argc = argc;
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contiki_argv = argv;
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/* minimal-net under windows is hardcoded to use the first one or two args */
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/* for wpcap configuration so this needs to be "removed" from contiki_args */
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#ifdef __CYGWIN__
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contiki_argc--;
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contiki_argv++;
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#ifdef UIP_FALLBACK_INTERFACE
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contiki_argc--;
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contiki_argv++;
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#endif
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#endif
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clock_init();
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#if UIP_CONF_IPV6
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/* A hard coded address overrides the stack default MAC address to
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allow multiple instances. uip6.c defines it as
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{0x00,0x06,0x98,0x00,0x02,0x32} giving an ipv6 address of
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[fe80::206:98ff:fe00:232] We make it simpler, {0x02,0x00,0x00 + the
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last three bytes of the hard coded address (if any are nonzero).
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HARD_CODED_ADDRESS can be defined in the contiki-conf.h file, or
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here to allow quick builds using different addresses. If
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HARD_CODED_ADDRESS has a prefix it also applied, unless built as a
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RPL end node. E.g. bbbb::12:3456 becomes fe80::ff:fe12:3456 and
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prefix bbbb::/64 if non-RPL ::10 becomes fe80::ff:fe00:10 and
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prefix awaits RA or RPL formation bbbb:: gives an address of
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bbbb::206:98ff:fe00:232 if non-RPL */
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#ifdef HARD_CODED_ADDRESS
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{
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uip_ipaddr_t ipaddr;
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uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
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if((ipaddr.u8[13] != 0) ||
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(ipaddr.u8[14] != 0) ||
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(ipaddr.u8[15] != 0)) {
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if(sizeof(uip_lladdr) == 6) { /* Minimal-net uses ethernet MAC */
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uip_lladdr.addr[0] = 0x02;
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uip_lladdr.addr[1] = 0;
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uip_lladdr.addr[2] = 0;
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uip_lladdr.addr[3] = ipaddr.u8[13];
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uip_lladdr.addr[4] = ipaddr.u8[14];
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uip_lladdr.addr[5] = ipaddr.u8[15];
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}
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}
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}
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#endif /* HARD_CODED_ADDRESS */
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#endif /* UIP_CONF_IPV6 */
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process_init();
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/* procinit_init initializes RPL which sets a ctimer for the first DIS */
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/* We must start etimers and ctimers,before calling it */
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process_start(&etimer_process, NULL);
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ctimer_init();
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#if RPL_BORDER_ROUTER
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process_start(&border_router_process, NULL);
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printf("Border Router Process started\n");
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#elif UIP_CONF_IPV6_RPL
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printf("RPL enabled\n");
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#endif
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procinit_init();
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autostart_start(autostart_processes);
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/* Set default IP addresses if not specified */
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#if !UIP_CONF_IPV6
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{
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uip_ipaddr_t addr;
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uip_gethostaddr(&addr);
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if(addr.u8[0] == 0) {
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uip_ipaddr(&addr, 172,18,0,2);
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}
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printf("IP Address: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
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uip_sethostaddr(&addr);
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uip_getnetmask(&addr);
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if(addr.u8[0] == 0) {
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uip_ipaddr(&addr, 255,255,0,0);
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uip_setnetmask(&addr);
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}
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printf("Subnet Mask: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
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uip_getdraddr(&addr);
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if(addr.u8[0] == 0) {
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uip_ipaddr(&addr, 172,18,0,1);
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uip_setdraddr(&addr);
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}
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printf("Def. Router: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
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}
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#else /* UIP_CONF_IPV6 */
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#if !UIP_CONF_IPV6_RPL
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{
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uip_ipaddr_t ipaddr;
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#ifdef HARD_CODED_ADDRESS
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uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
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#else
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uip_ip6addr(&ipaddr, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
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#endif
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if((ipaddr.u16[0] != 0) ||
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(ipaddr.u16[1] != 0) ||
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(ipaddr.u16[2] != 0) ||
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(ipaddr.u16[3] != 0)) {
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#if UIP_CONF_ROUTER
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if(!uip_ds6_prefix_add(&ipaddr, UIP_DEFAULT_PREFIX_LEN, 0, 0, 0, 0)) {
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fprintf(stderr,"uip_ds6_prefix_add() failed.\n");
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exit(EXIT_FAILURE);
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}
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#else /* UIP_CONF_ROUTER */
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if(!uip_ds6_prefix_add(&ipaddr, UIP_DEFAULT_PREFIX_LEN, 0)) {
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fprintf(stderr,"uip_ds6_prefix_add() failed.\n");
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exit(EXIT_FAILURE);
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}
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#endif /* UIP_CONF_ROUTER */
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uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
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uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
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}
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}
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#endif /* !UIP_CONF_IPV6_RPL */
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#endif /* !UIP_CONF_IPV6 */
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// procinit_init();
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// autostart_start(autostart_processes);
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/* Make standard output unbuffered. */
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setvbuf(stdout, (char *)NULL, _IONBF, 0);
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printf("\n*******%s online*******\n",CONTIKI_VERSION_STRING);
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#if UIP_CONF_IPV6 && !RPL_BORDER_ROUTER /* Border router process prints addresses later */
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{
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int i = 0;
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int interface_count = 0;
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for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
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if(uip_ds6_if.addr_list[i].isused) {
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printf("IPV6 Addresss: ");
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sprint_ip6(uip_ds6_if.addr_list[i].ipaddr);
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printf("\n");
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interface_count++;
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}
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}
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assert(0 < interface_count);
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}
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#endif
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while(1) {
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fd_set fds;
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int n;
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struct timeval tv;
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clock_time_t next_event;
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n = process_run();
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next_event = etimer_next_expiration_time() - clock_time();
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#if DEBUG_SLEEP
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if(n > 0)
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printf("sleep: %d events pending\n",n);
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else
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printf("sleep: next event @ T-%.03f\n",(double)next_event / (double)CLOCK_SECOND);
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#endif
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#ifdef __CYGWIN__
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/* wpcap doesn't appear to support select, so
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* we can't idle the process on windows. */
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next_event = 0;
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#endif
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if(next_event > (CLOCK_SECOND * 2))
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next_event = CLOCK_SECOND * 2;
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tv.tv_sec = n ? 0 : (next_event / CLOCK_SECOND);
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tv.tv_usec = n ? 0 : ((next_event % 1000) * 1000);
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FD_ZERO(&fds);
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FD_SET(STDIN_FILENO, &fds);
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#ifdef __CYGWIN__
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select(1, &fds, NULL, NULL, &tv);
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#else
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FD_SET(tapdev_fd(), &fds);
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if(0 > select(tapdev_fd() + 1, &fds, NULL, NULL, &tv)) {
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perror("Call to select() failed.");
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exit(EXIT_FAILURE);
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}
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#endif
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if(FD_ISSET(STDIN_FILENO, &fds)) {
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char c;
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if(read(STDIN_FILENO, &c, 1) > 0) {
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serial_line_input_byte(c);
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}
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}
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#ifdef __CYGWIN__
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process_poll(&wpcap_process);
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#else
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process_poll(&tapdev_process);
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#endif
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etimer_request_poll();
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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void
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log_message(char *m1, char *m2)
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{
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printf("%s%s\n", m1, m2);
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}
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/*---------------------------------------------------------------------------*/
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void
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uip_log(char *m)
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{
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printf("uIP: '%s'\n", m);
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}
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/*---------------------------------------------------------------------------*/
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void
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_xassert(const char *file, int line)
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{
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fprintf(stderr, "%s:%u: failed assertion\n", file, line);
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abort();
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}
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unsigned short
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sensors_light1(void)
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{
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static unsigned short count;
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return count++;
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}
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/*---------------------------------------------------------------------------*/
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