C++ (Cpp) announcement_list示例

示例#1

文件： broadcast-announcement.c 项目： DrMcCoy/contiki-inga

/*---------------------------------------------------------------------------*/
static void
send_adv(void *ptr)
{
  struct announcement_msg *adata;
  struct announcement *a;

  packetbuf_clear();
  adata = packetbuf_dataptr();
  adata->num = 0;
  for(a = announcement_list(); a != NULL && a->has_value; a = list_item_next(a)) {
    adata->data[adata->num].id = a->id;
    adata->data[adata->num].value = a->value;
    adata->num++;
  }

  packetbuf_set_datalen(ANNOUNCEMENT_MSG_HEADERLEN +
		      sizeof(struct announcement_data) * adata->num);

  PRINTF("%d.%d: sending neighbor advertisement with %d announcements\n",
	 rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1], adata->num);

  if(adata->num > 0) {
    /* Send the packet only if it contains more than zero announcements. */
    broadcast_send(&c.c);
  }
  PRINTF("%d.%d: sending neighbor advertisement with val %d\n",
	 rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
	 c.val);
}

示例#2

文件： xmac.c 项目： lanada-sensor/plb

/*---------------------------------------------------------------------------*/
static int
format_announcement(char *hdr)
{
  struct announcement_msg adata;
  struct announcement *a;

  /* Construct the announcements */
  /*  adata = (struct announcement_msg *)hdr;*/

  adata.num = 0;
  for(a = announcement_list();
      a != NULL && adata.num < ANNOUNCEMENT_MAX;
      a = list_item_next(a)) {
    adata.data[adata.num].id = a->id;
    adata.data[adata.num].value = a->value;
    adata.num++;
  }

  memcpy(hdr, &adata, sizeof(struct announcement_msg));

  if(adata.num > 0) {
    return ANNOUNCEMENT_MSG_HEADERLEN +
      sizeof(struct announcement_data) * adata.num;
  } else {
    return 0;
  }
}

示例#3

文件： polite-announcement.c 项目： soohyunc/contiki-2.x

/*---------------------------------------------------------------------------*/
static void
send_adv(clock_time_t interval)
{
  struct announcement_msg *adata;
  struct announcement *a;

  packetbuf_clear();
  adata = packetbuf_dataptr();
  adata->num = 0;
  for(a = announcement_list(); a != NULL; a = a->next) {
    adata->data[adata->num].id = a->id;
    adata->data[adata->num].value = a->value;
    adata->num++;
  }

  packetbuf_set_datalen(ANNOUNCEMENT_MSG_HEADERLEN +
		      sizeof(struct announcement_data) * adata->num);

  PRINTF("%d.%d: sending neighbor advertisement with %d announcements\n",
	 rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1], adata->num);

  if(adata->num > 0) {
    /* Send the packet only if it contains more than zero announcements. */
    ipolite_send(&c.c, interval, packetbuf_datalen());
  }
}

示例#4

文件： xmac.c 项目： EDAyele/ptunes

/*---------------------------------------------------------------------------*/
static int
format_announcement(char *hdr)
{
  struct announcement_msg *adata;
  struct announcement *a;

  /* Construct the announcements */
  adata = (struct announcement_msg *)hdr;

  adata->num = 0;
  for(a = announcement_list();
      a != NULL && adata->num < ANNOUNCEMENT_MAX;
      a = a->next) {
    adata->data[adata->num].id = a->id;
    adata->data[adata->num].value = a->value;
    adata->num++;
  }

  if(adata->num > 0) {
    return ANNOUNCEMENT_MSG_HEADERLEN +
      sizeof(struct announcement_data) * adata->num;
  } else {
    return 0;
  }
}

示例#5

文件： lpp.c 项目： Asterios/contiki-econotag

/**
 * Send a probe packet.
 */
static void
send_probe(void)
{
  struct lpp_hdr *hdr;
  struct announcement_msg *adata;
  struct announcement *a;

  /* Set up the probe header. */
  packetbuf_clear();
  packetbuf_set_datalen(sizeof(struct lpp_hdr));
  hdr = packetbuf_dataptr();
  hdr->type = TYPE_PROBE;
  rimeaddr_copy(&hdr->sender, &rimeaddr_node_addr);
  /*  rimeaddr_copy(&hdr->receiver, packetbuf_addr(PACKETBUF_ADDR_RECEIVER));*/
  rimeaddr_copy(&hdr->receiver, &rimeaddr_null);

  packetbuf_set_addr(PACKETBUF_ADDR_RECEIVER, &rimeaddr_null);
  {
    int hdrlen = NETSTACK_FRAMER.create();
    if(hdrlen == 0) {
      /* Failed to send */
      return;
    }
  }
  
  /* Construct the announcements */
  adata = (struct announcement_msg *)((char *)hdr + sizeof(struct lpp_hdr));
  
  adata->num = 0;
  for(a = announcement_list(); a != NULL; a = list_item_next(a)) {
    adata->data[adata->num].id = a->id;
    adata->data[adata->num].value = a->value;
    adata->num++;
  }

  packetbuf_set_datalen(sizeof(struct lpp_hdr) +
		      ANNOUNCEMENT_MSG_HEADERLEN +
		      sizeof(struct announcement_data) * adata->num);

  /*  PRINTF("Sending probe\n");*/

  /*  printf("probe\n");*/

  if(NETSTACK_RADIO.channel_clear()) {
    NETSTACK_RADIO.send(packetbuf_hdrptr(), packetbuf_totlen());
  } else {
    off_time_adjustment = random_rand() % (OFF_TIME / 2);
  }

  compower_accumulate(&compower_idle_activity);
}

示例#6

文件： lpp.c 项目： soohyunc/contiki-2.x

/**
 * Send a probe packet.
 */
static void
send_probe(void)
{
  struct lpp_hdr *hdr;
  struct announcement_msg *adata;
  struct announcement *a;

  /* Set up the probe header. */
  packetbuf_clear();
  packetbuf_set_datalen(sizeof(struct lpp_hdr));
  hdr = packetbuf_dataptr();
  hdr->type = TYPE_PROBE;
  rimeaddr_copy(&hdr->sender, &rimeaddr_node_addr);
  rimeaddr_copy(&hdr->receiver, packetbuf_addr(PACKETBUF_ADDR_RECEIVER));


  /* Construct the announcements */
  adata = (struct announcement_msg *)((char *)hdr + sizeof(struct lpp_hdr));
  
  adata->num = 0;
  for(a = announcement_list(); a != NULL; a = a->next) {
    adata->data[adata->num].id = a->id;
    adata->data[adata->num].value = a->value;
    adata->num++;
  }

  packetbuf_set_datalen(sizeof(struct lpp_hdr) +
		      ANNOUNCEMENT_MSG_HEADERLEN +
		      sizeof(struct announcement_data) * adata->num);

  /*  PRINTF("Sending probe\n");*/

  /*  printf("probe\n");*/
  
  /* XXX should first check access to the medium (CCA - Clear Channel
     Assessment) and add LISTEN_TIME to off_time_adjustment if there
     is a packet in the air. */
  radio->send(packetbuf_hdrptr(), packetbuf_totlen());

  compower_accumulate(&compower_idle_activity);
}