/*---------------------------------------------------------------------------*/
void
rpl_link_neighbor_callback(const linkaddr_t *addr, int status, int numtx)
{
uip_ipaddr_t ipaddr;
rpl_parent_t *parent;
rpl_instance_t *instance;
rpl_instance_t *end;
uip_ip6addr(&ipaddr, 0xfe80, 0, 0, 0, 0, 0, 0, 0);
uip_ds6_set_addr_iid(&ipaddr, (uip_lladdr_t *)addr);
for(instance = &instance_table[0], end = instance + RPL_MAX_INSTANCES; instance < end; ++instance) {
if(instance->used == 1 ) {
parent = rpl_find_parent_any_dag(instance, &ipaddr);
if(parent != NULL) {
/* Trigger DAG rank recalculation. */
PRINTF("RPL: rpl_link_neighbor_callback triggering update\n");
parent->flags |= RPL_PARENT_FLAG_UPDATED;
if(instance->of->neighbor_link_callback != NULL) {
instance->of->neighbor_link_callback(parent, status, numtx);
parent->last_tx_time = clock_time();
}
}
}
}
}
/*---------------------------------------------------------------------------*/
void
rpl_ipv6_neighbor_callback(uip_ds6_nbr_t *nbr)
{
rpl_parent_t *p;
rpl_instance_t *instance;
rpl_instance_t *end;
PRINTF("RPL: Neighbor state changed for ");
PRINT6ADDR(&nbr->ipaddr);
#if UIP_ND6_SEND_NA || UIP_ND6_SEND_RA
PRINTF(", nscount=%u, state=%u\n", nbr->nscount, nbr->state);
#else /* UIP_ND6_SEND_NA || UIP_ND6_SEND_RA */
PRINTF(", state=%u\n", nbr->state);
#endif /* UIP_ND6_SEND_NA || UIP_ND6_SEND_RA */
for(instance = &instance_table[0], end = instance + RPL_MAX_INSTANCES; instance < end; ++instance) {
if(instance->used == 1 ) {
p = rpl_find_parent_any_dag(instance, &nbr->ipaddr);
if(p != NULL) {
p->rank = INFINITE_RANK;
/* Trigger DAG rank recalculation. */
PRINTF("RPL: rpl_ipv6_neighbor_callback infinite rank\n");
p->flags |= RPL_PARENT_FLAG_UPDATED;
}
}
}
}
/*---------------------------------------------------------------------------*/
void
rpl_ipv6_neighbor_callback(uip_ds6_nbr_t *nbr)
{
rpl_parent_t *p;
rpl_instance_t *instance;
rpl_instance_t *end;
PRINTF("RPL: Removing neighbor ");
PRINT6ADDR(&nbr->ipaddr);
PRINTF("\n");
for(instance = &instance_table[0], end = instance + RPL_MAX_INSTANCES; instance < end; ++instance) {
if(instance->used == 1 ) {
p = rpl_find_parent_any_dag(instance, &nbr->ipaddr);
if(p != NULL) {
p->rank = INFINITE_RANK;
/* Trigger DAG rank recalculation. */
PRINTF("RPL: rpl_ipv6_neighbor_callback infinite rank\n");
p->updated = 1;
}
}
}
}
/*---------------------------------------------------------------------------*/
static void
sendpacket(int mode)
{
static uip_ipaddr_t *parent_ipaddr=NULL,tempadd;
static rpl_dag_t *current_dag=NULL;
static int i=0;
static rpl_instance_t * instance_id=NULL;
for(i = 0; i < RPL_MAX_INSTANCES; ++i) {
if(instance_table[i].used && instance_table[i].current_dag->joined) {
current_dag = instance_table[i].current_dag;
instance_id = &instance_table[i];
break;
}
}
if(current_dag != NULL) {
parent_ipaddr=rpl_get_parent_ipaddr(current_dag->preferred_parent);
}else return; //if current dag is null return
if(!parent_ipaddr->u8[15])// if parent is null return
return;
uip_ds6_nbr_t *nbr=NULL;
int num = uip_ds6_nbr_num();
int sizeof_buf = sizeof(int) + sizeof(uint8_t) + sizeof(uint8_t) + sizeof(int) + sizeof(uint16_t) +sizeof(uint8_t) + sizeof(uint16_t)+ sizeof(int) + num * ( sizeof(uint8_t) + sizeof(uint16_t) );
// code + node + id_of_intermediate + msg_instance + own rank + parent + rank + numof_nbr*(nbr+rank)
unsigned char buf[sizeof_buf];
unsigned char * buf_p = buf;
i=2;myrank=current_dag->rank;
MAPPER_ADD_PACKETDATA(buf_p, i);
MAPPER_ADD_PACKETDATA(buf_p, myip.u8[15]);
if(mode) //for first time setting
msg_instance = 100*myip.u8[15];
MAPPER_ADD_PACKETDATA(buf_p, myip.u8[15]); //added to track limited boradcasting intermediate node id
MAPPER_ADD_PACKETDATA(buf_p, msg_instance); //added to track limited boradcasting
msg_instance++;
MAPPER_ADD_PACKETDATA(buf_p, current_dag->rank);
MAPPER_ADD_PACKETDATA(buf_p, parent_ipaddr->u8[15]);
MAPPER_ADD_PACKETDATA(buf_p, current_dag->preferred_parent->rank);
MAPPER_ADD_PACKETDATA(buf_p, num);
printf(" %02x R %u P %u PR %u Bufsize %d msg_instance %d ",myip.u8[15],current_dag->rank,parent_ipaddr->u8[15],current_dag->preferred_parent->rank, sizeof_buf, msg_instance-1);
num_nbrs=0;
rpl_parent_t *p=NULL;
for(nbr = nbr_table_head(ds6_neighbors); nbr != NULL; nbr = nbr_table_next(ds6_neighbors, nbr)) {
//p=find_parent_any_dag_any_instance(&nbr->ipaddr);
p=rpl_find_parent_any_dag(instance_id, &nbr->ipaddr);
MAPPER_ADD_PACKETDATA(buf_p,nbr->ipaddr.u8[15]);
//rank = rpl_get_parent_rank(uip_ds6_nbr_get_ll(nbr));
MAPPER_ADD_PACKETDATA(buf_p,p->rank);
printf("No of nbrs %d : %02x rank %u ",num,nbr->ipaddr.u8[15],p->rank);
nbrs[num_nbrs]=nbr->ipaddr.u8[15];
num_nbrs++;
}
printf("\n");
if(mode)
{
uip_udp_packet_sendto(client_conn, buf, sizeof(buf), &server_ipaddr, UIP_HTONS(2345));
uip_create_unspecified(&client_conn->ripaddr);
parent_change=0;
printf("parent change info send via unicast 6BR\n");
}
else
{
//uip_udp_packet_sendto(client_conn, buf, sizeof(buf), &server_ipaddr, UIP_HTONS(2345));//temporaryly aadded
//uip_create_unspecified(&client_conn->ripaddr);
//send_broadcast(buf,sizeof(buf)); ///*
//uip_create_unspecified(&udp_bconn->ripaddr);
int j=0;
for(i=0,j=0;i<=num_nbrs*3;i++,j=0)
for(nbr = nbr_table_head(ds6_neighbors); nbr != NULL; nbr = nbr_table_next(ds6_neighbors, nbr)) {
uip_ipaddr_copy(&tempadd, &nbr->ipaddr);
j++;
if(nbr->ipaddr.u8[15]!=myip.u8[15] && i==j){
uip_udp_packet_sendto(client_conn, buf, sizeof(buf), &tempadd, UIP_HTONS(10000+(int)tempadd.u8[15]));
printf("send to %u \n",tempadd.u8[15]);
uip_create_unspecified(&client_conn->ripaddr);
}
}
printf("parent change info send via broadcast 6BR\n");
}
}
