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contiki/platform/minimal-net/contiki-main.c

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/*
* Copyright (c) 2002, Adam Dunkels.
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the Contiki OS
*
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <time.h>
#include <sys/select.h>
#include <unistd.h>
#include <memory.h>
#include "contiki.h"
#include "contiki-net.h"
#include "lib/assert.h"
#include "dev/serial-line.h"
#include "net/ip/uip.h"
#ifdef __CYGWIN__
#include "net/wpcap-drv.h"
#else /* __CYGWIN__ */
#include "net/tapdev-drv.h"
#endif /* __CYGWIN__ */
#ifdef __CYGWIN__
#if NETSTACK_CONF_WITH_IPV6 || NETSTACK_CONF_WITH_IPV4
PROCINIT(&etimer_process, &tcpip_process, &wpcap_process, &serial_line_process);
#else
PROCINIT(&etimer_process, &wpcap_process, &serial_line_process);
#endif
#else /* __CYGWIN__ */
#if NETSTACK_CONF_WITH_IPV6 || NETSTACK_CONF_WITH_IPV4
PROCINIT(&etimer_process, &tapdev_process, &tcpip_process, &serial_line_process);
#else
PROCINIT(&etimer_process, &tapdev_process, &serial_line_process);
#endif
#endif /* __CYGWIN__ */
#if RPL_BORDER_ROUTER
#include "net/rpl/rpl.h"
static uint16_t dag_id[] = {0x1111, 0x1100, 0, 0, 0, 0, 0, 0x0011};
PROCESS(border_router_process, "RPL Border Router");
PROCESS_THREAD(border_router_process, ev, data)
{
PROCESS_BEGIN();
PROCESS_PAUSE();
{
rpl_dag_t *dag;
char buf[sizeof(dag_id)];
memcpy(buf,dag_id,sizeof(dag_id));
dag = rpl_set_root((uip_ip6addr_t *)buf);
/* Assign separate addresses to the uip stack and the host network
interface, but with the same prefix E.g. bbbb::ff:fe00:200 to
the stack and bbbb::1 to the host *fallback* network interface
Otherwise the host will trap packets intended for the stack,
just as the stack will trap packets intended for the host
$ifconfig usb0 -arp on Ubuntu to skip the neighbor
solicitations. Add explicit neighbors on other OSs */
if(dag != NULL) {
printf("Created a new RPL dag\n");
#if UIP_CONF_ROUTER_RECEIVE_RA
/* Contiki stack will shut down until assigned an address from the
interface RA Currently this requires changes in the core
rpl-icmp6.c to pass the link-local RA broadcast.
*/
#else
{
static void sprint_ip6(uip_ip6addr_t addr);
int i;
uip_ip6addr_t ipaddr;
#ifdef HARD_CODED_ADDRESS
uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
#else
uip_ip6addr(&ipaddr, 0xbbbb, 0, 0, 0, 0, 0, 0, 0x1);
#endif
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
rpl_set_prefix(dag, &ipaddr, 64);
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
if(uip_ds6_if.addr_list[i].isused) {
printf("IPV6 Address: ");
sprint_ip6(uip_ds6_if.addr_list[i].ipaddr);
printf("\n");
}
}
}
#endif
}
}
/* The border router runs with a 100% duty cycle in order to ensure high
packet reception rates. */
/* NETSTACK_MAC.off(1); */
while(1) {
PROCESS_YIELD();
/* Local and global dag repair can be done from ? */
/* rpl_set_prefix(rpl_get_dag(RPL_ANY_INSTANCE), &ipaddr, 64);
rpl_repair_dag(rpl_get_dag(RPL_ANY_INSTANCE)); */
}
PROCESS_END();
}
#endif /* RPL_BORDER_ROUTER */
#if NETSTACK_CONF_WITH_IPV6
/*---------------------------------------------------------------------------*/
static void
sprint_ip6(uip_ip6addr_t addr)
{
unsigned char i = 0;
unsigned char zerocnt = 0;
unsigned char numprinted = 0;
unsigned char notskipped = 0;
char thestring[40];
char *result = thestring;
*result++ = '[';
while(numprinted < 8) {
if((addr.u16[i] == 0) && (zerocnt == 0)) {
while(addr.u16[zerocnt + i] == 0) {
zerocnt++;
}
if(zerocnt == 1 && notskipped) {
*result++ = '0';
numprinted++;
notskipped = 1;
continue;
}
i += zerocnt;
numprinted += zerocnt;
} else {
result += sprintf(result, "%x", (unsigned int)(uip_ntohs(addr.u16[i])));
i++;
numprinted++;
}
if(numprinted != 8) {
*result++ = ':';
}
}
*result++=']';
*result=0;
printf("%s", thestring);
}
#endif /* NETSTACK_CONF_WITH_IPV6 */
/*---------------------------------------------------------------------------*/
int contiki_argc = 0;
char **contiki_argv;
int
main(int argc, char **argv)
{
/* crappy way of remembering and accessing argc/v */
contiki_argc = argc;
contiki_argv = argv;
/* minimal-net under windows is hardcoded to use the first one or two args */
/* for wpcap configuration so this needs to be "removed" from contiki_args */
#ifdef __CYGWIN__
contiki_argc--;
contiki_argv++;
#ifdef UIP_FALLBACK_INTERFACE
contiki_argc--;
contiki_argv++;
#endif
#endif
clock_init();
#if NETSTACK_CONF_WITH_IPV6
/* A hard coded address overrides the stack default MAC address to
allow multiple instances. uip6.c defines it as
{0x00,0x06,0x98,0x00,0x02,0x32} giving an ipv6 address of
[fe80::206:98ff:fe00:232] We make it simpler, {0x02,0x00,0x00 + the
last three bytes of the hard coded address (if any are nonzero).
HARD_CODED_ADDRESS can be defined in the contiki-conf.h file, or
here to allow quick builds using different addresses. If
HARD_CODED_ADDRESS has a prefix it also applied, unless built as a
RPL end node. E.g. bbbb::12:3456 becomes fe80::ff:fe12:3456 and
prefix bbbb::/64 if non-RPL ::10 becomes fe80::ff:fe00:10 and
prefix awaits RA or RPL formation bbbb:: gives an address of
bbbb::206:98ff:fe00:232 if non-RPL */
#ifdef HARD_CODED_ADDRESS
{
uip_ipaddr_t ipaddr;
uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
if((ipaddr.u8[13] != 0) ||
(ipaddr.u8[14] != 0) ||
(ipaddr.u8[15] != 0)) {
if(sizeof(uip_lladdr) == 6) { /* Minimal-net uses ethernet MAC */
uip_lladdr.addr[0] = 0x02;
uip_lladdr.addr[1] = 0;
uip_lladdr.addr[2] = 0;
uip_lladdr.addr[3] = ipaddr.u8[13];
uip_lladdr.addr[4] = ipaddr.u8[14];
uip_lladdr.addr[5] = ipaddr.u8[15];
}
}
}
#endif /* HARD_CODED_ADDRESS */
#endif /* NETSTACK_CONF_WITH_IPV6 */
process_init();
/* procinit_init initializes RPL which sets a ctimer for the first DIS */
/* We must start etimers and ctimers,before calling it */
process_start(&etimer_process, NULL);
ctimer_init();
#if RPL_BORDER_ROUTER
process_start(&border_router_process, NULL);
printf("Border Router Process started\n");
#elif UIP_CONF_IPV6_RPL
printf("RPL enabled\n");
#endif
procinit_init();
autostart_start(autostart_processes);
/* Set default IP addresses if not specified */
#if !NETSTACK_CONF_WITH_IPV6
{
uip_ipaddr_t addr;
uip_gethostaddr(&addr);
if(addr.u8[0] == 0) {
uip_ipaddr(&addr, 172,18,0,2);
}
printf("IP Address: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
uip_sethostaddr(&addr);
uip_getnetmask(&addr);
if(addr.u8[0] == 0) {
uip_ipaddr(&addr, 255,255,0,0);
uip_setnetmask(&addr);
}
printf("Subnet Mask: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
uip_getdraddr(&addr);
if(addr.u8[0] == 0) {
uip_ipaddr(&addr, 172,18,0,1);
uip_setdraddr(&addr);
}
printf("Def. Router: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
}
#else /* NETSTACK_CONF_WITH_IPV6 */
#if !UIP_CONF_IPV6_RPL
{
uip_ipaddr_t ipaddr;
#ifdef HARD_CODED_ADDRESS
uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
#else
uip_ip6addr(&ipaddr, UIP_DS6_DEFAULT_PREFIX, 0, 0, 0, 0, 0, 0, 0);
#endif
if((ipaddr.u16[0] != 0) ||
(ipaddr.u16[1] != 0) ||
(ipaddr.u16[2] != 0) ||
(ipaddr.u16[3] != 0)) {
#if UIP_CONF_ROUTER
if(!uip_ds6_prefix_add(&ipaddr, UIP_DEFAULT_PREFIX_LEN, 0, 0, 0, 0)) {
fprintf(stderr,"uip_ds6_prefix_add() failed.\n");
exit(EXIT_FAILURE);
}
#else /* UIP_CONF_ROUTER */
if(!uip_ds6_prefix_add(&ipaddr, UIP_DEFAULT_PREFIX_LEN, 0)) {
fprintf(stderr,"uip_ds6_prefix_add() failed.\n");
exit(EXIT_FAILURE);
}
#endif /* UIP_CONF_ROUTER */
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
}
}
#endif /* !UIP_CONF_IPV6_RPL */
#endif /* !NETSTACK_CONF_WITH_IPV6 */
// procinit_init();
// autostart_start(autostart_processes);
/* Make standard output unbuffered. */
setvbuf(stdout, (char *)NULL, _IONBF, 0);
printf("\n*******%s online*******\n",CONTIKI_VERSION_STRING);
#if NETSTACK_CONF_WITH_IPV6 && !RPL_BORDER_ROUTER /* Border router process prints addresses later */
{
int i = 0;
int interface_count = 0;
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
if(uip_ds6_if.addr_list[i].isused) {
printf("IPV6 Addresss: ");
sprint_ip6(uip_ds6_if.addr_list[i].ipaddr);
printf("\n");
interface_count++;
}
}
assert(0 < interface_count);
}
#endif
while(1) {
fd_set fds;
int n;
struct timeval tv;
clock_time_t next_event;
n = process_run();
next_event = etimer_next_expiration_time() - clock_time();
#if DEBUG_SLEEP
if(n > 0)
printf("sleep: %d events pending\n",n);
else
printf("sleep: next event @ T-%.03f\n",(double)next_event / (double)CLOCK_SECOND);
#endif
#ifdef __CYGWIN__
/* wpcap doesn't appear to support select, so
* we can't idle the process on windows. */
next_event = 0;
#endif
if(next_event > (CLOCK_SECOND * 2))
next_event = CLOCK_SECOND * 2;
tv.tv_sec = n ? 0 : (next_event / CLOCK_SECOND);
tv.tv_usec = n ? 0 : ((next_event % 1000) * 1000);
FD_ZERO(&fds);
FD_SET(STDIN_FILENO, &fds);
#ifdef __CYGWIN__
select(1, &fds, NULL, NULL, &tv);
#else
FD_SET(tapdev_fd(), &fds);
if(0 > select(tapdev_fd() + 1, &fds, NULL, NULL, &tv)) {
perror("Call to select() failed.");
exit(EXIT_FAILURE);
}
#endif
if(FD_ISSET(STDIN_FILENO, &fds)) {
char c;
if(read(STDIN_FILENO, &c, 1) > 0) {
serial_line_input_byte(c);
}
}
#ifdef __CYGWIN__
process_poll(&wpcap_process);
#else
process_poll(&tapdev_process);
#endif
etimer_request_poll();
}
return 0;
}
/*---------------------------------------------------------------------------*/
void
log_message(char *m1, char *m2)
{
printf("%s%s\n", m1, m2);
}
/*---------------------------------------------------------------------------*/
void
uip_log(char *m)
{
printf("uIP: '%s'\n", m);
}
/*---------------------------------------------------------------------------*/
void
_xassert(const char *file, int line)
{
fprintf(stderr, "%s:%u: failed assertion\n", file, line);
abort();
}
unsigned short
sensors_light1(void)
{
static unsigned short count;
return count++;
}
/*---------------------------------------------------------------------------*/
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