contiki-main.c

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/*
 * Copyright (c) 2017, George Oikonomou - http://www.spd.gr
 * 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. Neither the name of the copyright holder 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 HOLDER 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.
 */
/*---------------------------------------------------------------------------*/
/**
 * \addtogroup main
 * @{
 */
/*---------------------------------------------------------------------------*/
/**
 * \file
 *
 * Implementation of \os's main routine
 */
/*---------------------------------------------------------------------------*/
#include "contiki.h"
#include "contiki-net.h"
#include "lib/ecc.h"
#include "lib/random.h"
#include "sys/node-id.h"
#include "sys/platform.h"
#include "sys/energest.h"
#include "sys/stack-check.h"
#include "dev/watchdog.h"
 
#include "net/queuebuf.h"
#include "net/app-layer/coap/coap-engine.h"
#include "net/app-layer/snmp/snmp.h"
#include "net/mac/framer/frame802154.h"
#include "services/rpl-border-router/rpl-border-router.h"
#include "services/orchestra/orchestra.h"
#include "services/shell/serial-shell.h"
#include "services/simple-energest/simple-energest.h"
#include "services/tsch-cs/tsch-cs.h"
 
#include <stdio.h>
#include <stdint.h>
/*---------------------------------------------------------------------------*/
/* Log configuration */
#include "sys/log.h"
#define LOG_MODULE "Main"
#define LOG_LEVEL LOG_LEVEL_MAIN
 
#if PLATFORM_MAIN_ACCEPTS_ARGS
/*---------------------------------------------------------------------------*/
int contiki_argc;
char **contiki_argv;
/*---------------------------------------------------------------------------*/
#include "lib/list.h"
 
LIST(contiki_options);
static const char *prog;
static const char *help_usage;
static const char *help_suffix;
/*---------------------------------------------------------------------------*/
void
contiki_set_usage(const char *msg)
{
  help_usage = msg;
}
/*---------------------------------------------------------------------------*/
void
contiki_set_extra_help(const char *msg)
{
  help_suffix = msg;
}
/*---------------------------------------------------------------------------*/
void
contiki_add_option(struct contiki_callback_option *option)
{
  static bool initialized = false;
  if(!initialized) {
    list_init(contiki_options);
    initialized = true;
  }
  list_add(contiki_options, option);
}
/*---------------------------------------------------------------------------*/
static void
print_help(void)
{
  printf("usage: %s [options]%s", prog, help_usage ? help_usage : "\n");
  printf("Options are:\n");
  for(struct contiki_callback_option *r = list_head(contiki_options);
      r != NULL; r = r->next) {
    if(!r->help) {
      continue;
    }
    int short_len = r->opt_struct.flag == NULL && r->opt_struct.val ? 6 : 0;
    if(short_len) {
      printf("  -%c, ", (char)r->opt_struct.val);
    }
    int has_arg = r->opt_struct.has_arg;
    const char *arg_desc = has_arg == no_argument ? "" :
      has_arg == optional_argument ? " [value]" : " value  ";
    printf(" %c-%s%s%s\t%s", strlen(r->opt_struct.name) == 1 ? ' ' : '-',
           r->opt_struct.name, arg_desc,
           /* Insert extra tab for short option names. */
           short_len + 3 + strlen(r->opt_struct.name) + strlen(arg_desc) < 8
             ? "\t" : "",
           r->help);
  }
  if(help_suffix) {
    printf("%s", help_suffix);
  }
}
/*---------------------------------------------------------------------------*/
CC_NORETURN static int
help_callback(const char *optarg)
{
  print_help();
  exit(0);
}
CONTIKI_OPTION(CONTIKI_MAX_INIT_PRIO + 1, { "help", no_argument, NULL, 'h' },
               help_callback, "display this help and exit\n");
/*---------------------------------------------------------------------------*/
static int
parse_argv(int *argc, char ***argv)
{
  prog = *argv[0];
  const int num_options = list_length(contiki_options);
  struct contiki_callback_option options[num_options];
  struct option long_options[num_options + 1];
 
  int i = 0;
  for(struct contiki_callback_option *r = list_head(contiki_options);
      r != NULL; ++i, r = r->next) {
    memcpy(&long_options[i], &r->opt_struct, sizeof(struct option));
    memcpy(&options[i], r, sizeof(struct contiki_callback_option));
  }
  /* Null terminate options. */
  memset(&long_options[i], 0, sizeof(struct option));
 
  while(1) {
    int ix = 0;
    int c = getopt_long_only(*argc, *argv, "", long_options, &ix);
    if(c == -1) { /* Processed all options. */
      break;
    }
    if(c == '?') { /* Unknown option, print help and return error. */
      print_help();
      return 1;
    }
    if(options[ix].callback) { /* Option has a callback, call with optarg. */
      int rv;
      if((rv = options[ix].callback(optarg)) != 0) {
        return rv;
      }
    }
  }
  *argc -= optind - 1;
  *argv += optind - 1;
  return 0;
}
/*---------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
  int rv;
  if((rv = parse_argv(&argc, &argv)) != 0) {
    return rv;
  }
  /* Remember argc/argv after command line options. */
  contiki_argc = argc;
  contiki_argv = argv;
#else
int
main(void)
{
#endif /* PLATFORM_MAIN_ACCEPTS_ARGS */
  platform_init_stage_one();
 
  clock_init();
  rtimer_init();
  process_init();
  process_start(&etimer_process, NULL);
  ctimer_init();
  watchdog_init();
 
  energest_init();
 
#if STACK_CHECK_ENABLED
  stack_check_init();
#endif
 
  platform_init_stage_two();
 
#if QUEUEBUF_ENABLED
  queuebuf_init();
#endif /* QUEUEBUF_ENABLED */
 
  NETSTACK_RADIO.init();
 
  /* at this point, the CSPRNG may have been fed with radio noise */
  random_init();
 
  NETSTACK_MAC.init();
  NETSTACK_NETWORK.init();
 
  node_id_init();
#if ECC_ENABLED
  ecc_init();
#endif /* ECC_ENABLED */
 
  LOG_INFO("Starting " CONTIKI_VERSION_STRING "\n");
  LOG_DBG("TARGET=%s", CONTIKI_TARGET_STRING);
#ifdef CONTIKI_BOARD_STRING
  LOG_DBG_(", BOARD=%s", CONTIKI_BOARD_STRING);
#endif
  LOG_DBG_("\n");
  LOG_INFO("- Routing: %s\n", NETSTACK_ROUTING.name);
  LOG_INFO("- Net: %s\n", NETSTACK_NETWORK.name);
  LOG_INFO("- MAC: %s\n", NETSTACK_MAC.name);
  LOG_INFO("- 802.15.4 PANID: 0x%04x\n", IEEE802154_PANID);
#if MAC_CONF_WITH_TSCH
  LOG_INFO("- 802.15.4 TSCH default hopping sequence length: %u\n", (unsigned)sizeof(TSCH_DEFAULT_HOPPING_SEQUENCE));
#else /* MAC_CONF_WITH_TSCH */
  LOG_INFO("- 802.15.4 Default channel: %u\n", IEEE802154_DEFAULT_CHANNEL);
#endif /* MAC_CONF_WITH_TSCH */
 
  LOG_INFO("Node ID: %u\n", node_id);
  LOG_INFO("Link-layer address: ");
  LOG_INFO_LLADDR(&linkaddr_node_addr);
  LOG_INFO_("\n");
 
#if NETSTACK_CONF_WITH_IPV6
  {
    uip_ds6_addr_t *lladdr;
    memcpy(&uip_lladdr.addr, &linkaddr_node_addr, sizeof(uip_lladdr.addr));
    process_start(&tcpip_process, NULL);
 
    lladdr = uip_ds6_get_link_local(-1);
    LOG_INFO("Tentative link-local IPv6 address: ");
    LOG_INFO_6ADDR(lladdr != NULL ? &lladdr->ipaddr : NULL);
    LOG_INFO_("\n");
  }
#endif /* NETSTACK_CONF_WITH_IPV6 */
 
  platform_init_stage_three();
 
#if BUILD_WITH_RPL_BORDER_ROUTER
  rpl_border_router_init();
  LOG_DBG("With RPL Border Router\n");
#endif /* BUILD_WITH_RPL_BORDER_ROUTER */
 
#if BUILD_WITH_ORCHESTRA
  orchestra_init();
  LOG_DBG("With Orchestra\n");
#endif /* BUILD_WITH_ORCHESTRA */
 
#if BUILD_WITH_SHELL
  serial_shell_init();
  LOG_DBG("With Shell\n");
#endif /* BUILD_WITH_SHELL */
 
#if BUILD_WITH_COAP
  coap_engine_init();
  LOG_DBG("With CoAP\n");
#endif /* BUILD_WITH_COAP */
 
#if BUILD_WITH_SNMP
  snmp_init();
  LOG_DBG("With SNMP\n");
#endif /* BUILD_WITH_SNMP */
 
#if BUILD_WITH_SIMPLE_ENERGEST
  simple_energest_init();
#endif /* BUILD_WITH_SIMPLE_ENERGEST */
 
#if BUILD_WITH_TSCH_CS
  /* Initialize the channel selection module */
  tsch_cs_adaptations_init();
#endif /* BUILD_WITH_TSCH_CS */
 
  autostart_start(autostart_processes);
 
  watchdog_start();
 
#if PLATFORM_PROVIDES_MAIN_LOOP
  platform_main_loop();
#else
  while(1) {
    process_num_events_t r;
    do {
      r = process_run();
      watchdog_periodic();
    } while(r > 0);
 
    platform_idle();
  }
#endif
 
  return 0;
}
/*---------------------------------------------------------------------------*/
/**
 * @}
 */