static void send_packet(void *ptr)
{
static uint16_t seqno = 0;
struct app_msg msg;
uint16_t parent_etx;
uint16_t rtmetric;
uint16_t num_neighbors;
uint16_t beacon_interval;
rpl_parent_t *preferred_parent;
rimeaddr_t parent;
rpl_dag_t *dag;
if(sender_conn == NULL) return;
memset(&msg, 0, sizeof(msg));
seqno++;
msg.seqno = seqno;
rimeaddr_copy(&parent, &rimeaddr_null);
parent_etx = 0;
// Let's suppose we have only one instance.
dag = rpl_get_any_dag();
if( dag != NULL)
{
preferred_parent = dag->preferred_parent;
if(preferred_parent != NULL)
{
uip_ds6_nbr_t *nbr;
nbr = uip_ds6_nbr_lookup(&preferred_parent->next);
if(nbr != NULL)
{
// Use parts of the ipv6 address as the parent address.
// In reversed byte order.
parent.u8[RIMEADDR_SIZE - 1] =
nbr->ipaddr.u8[sizeof(uip_ipaddr_t) - 2];
parent.u8[RIMEADDR_SIZE - 2] =
nbr->ipaddr.u8[sizeof(uip_ipaddr_t) - 1];
parent_etx =
rpl_get_parent_rank((rimeaddr_t *)uip_ds6_nbr_get_ll(nbr)) / 2;
}
}
rtmetric = dag->rank;
beacon_interval =
(uint16_t)((2L<<dag->instance->dio_intcurrent) / 1000);
num_neighbors = RPL_PARENT_COUNT(dag);
} else {
rtmetric = 0;
beacon_interval = 0;
num_neighbors = 0;
}
msg.parent_etx = parent_etx;
msg.rtmetric = rtmetric;
msg.num_neighbors = num_neighbors;
msg.beacon_interval = beacon_interval;
memset(msg.data, 11, sizeof(msg.data) - 2);
msg.data[10] = seqno;
uip_udp_packet_sendto(sender_conn, &msg, sizeof(msg),
&sink_ipaddr, UIP_HTONS(UDP_SINK_PORT));
PRINTF("DATA send NO %d to %d * msg size %u\n", seqno,
sink_ipaddr.u8[sizeof(sink_ipaddr.u8) - 1], sizeof(msg));
PRINTF("Sink addr : ");
PRINT6ADDR(&sink_ipaddr);
PRINTF("\n");
}
/*---------------------------------------------------------------------------*/
void
collect_common_send(void)
{
static uint8_t seqno;
struct {
uint8_t seqno;
uint8_t for_alignment;
struct collect_view_data_msg msg;
} msg;
/* struct collect_neighbor *n; */
uint16_t parent_etx;
uint16_t rtmetric;
uint16_t num_neighbors;
uint16_t beacon_interval;
rpl_parent_t *preferred_parent;
rimeaddr_t parent;
rpl_dag_t *dag;
if(client_conn == NULL) {
/* Not setup yet */
return;
}
memset(&msg, 0, sizeof(msg));
seqno++;
if(seqno == 0) {
/* Wrap to 128 to identify restarts */
seqno = 128;
}
msg.seqno = seqno;
rimeaddr_copy(&parent, &rimeaddr_null);
parent_etx = 0;
/* Let's suppose we have only one instance */
dag = rpl_get_any_dag();
if(dag != NULL) {
preferred_parent = dag->preferred_parent;
if(preferred_parent != NULL) {
uip_ds6_nbr_t *nbr;
nbr = uip_ds6_nbr_lookup(rpl_get_parent_ipaddr(preferred_parent));
if(nbr != NULL) {
/* Use parts of the IPv6 address as the parent address, in reversed byte order. */
parent.u8[RIMEADDR_SIZE - 1] = nbr->ipaddr.u8[sizeof(uip_ipaddr_t) - 2];
parent.u8[RIMEADDR_SIZE - 2] = nbr->ipaddr.u8[sizeof(uip_ipaddr_t) - 1];
parent_etx = rpl_get_parent_rank((rimeaddr_t *) uip_ds6_nbr_get_ll(nbr)) / 2;
}
}
rtmetric = dag->rank;
beacon_interval = (uint16_t) ((2L << dag->instance->dio_intcurrent) / 1000);
num_neighbors = RPL_PARENT_COUNT(dag);
} else {
rtmetric = 0;
beacon_interval = 0;
num_neighbors = 0;
}
/* num_neighbors = collect_neighbor_list_num(&tc.neighbor_list); */
collect_view_construct_message(&msg.msg, &parent,
parent_etx, rtmetric,
num_neighbors, beacon_interval);
uip_udp_packet_sendto(client_conn, &msg, sizeof(msg),
&server_ipaddr, UIP_HTONS(UDP_SERVER_PORT));
}
