/*---------------------------------------------------------------------------*/
static int
send(struct netflood_conn *c)
{
PRINTF("%d.%d: netflood send to ipolite\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1]);
return ipolite_send(&c->c, c->queue_time, 4);
}
/*---------------------------------------------------------------------------*/
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());
}
}
/*---------------------------------------------------------------------------*/
static void
recv_ipolite(struct ipolite_conn *ipolite, const rimeaddr_t *from)
{
struct rudolph1_conn *c = (struct rudolph1_conn *)
((char *)ipolite - offsetof(struct rudolph1_conn, ipolite));
struct rudolph1_datapacket *p = packetbuf_dataptr();
PRINTF("%d.%d: Got ipolite type %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
p->h.type);
c->nacks++;
if(p->h.type == TYPE_NACK) {
PRINTF("%d.%d: Got NACK for %d:%d (%d:%d)\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
p->h.version, p->h.chunk,
c->version, c->chunk);
if(p->h.version == c->version) {
if(p->h.chunk < c->chunk) {
/* Format and send a repair packet */
PRINTF("%d.%d: sending repair for chunk %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
p->h.chunk);
format_data(c, p->h.chunk);
ipolite_send(&c->ipolite, REPAIR_TIMEOUT, sizeof(struct rudolph1_hdr));
}
} else if(LT(p->h.version, c->version)) {
format_data(c, 0);
ipolite_send(&c->ipolite, c->send_interval / 2, sizeof(struct rudolph1_hdr));
}
} else if(p->h.type == TYPE_DATA) {
/* This is a repair packet from someone else. */
PRINTF("%d.%d: got repair for chunk %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
p->h.chunk);
handle_data(c, p);
}
}
/*---------------------------------------------------------------------------*/
int
netflood_send(struct netflood_conn *c, uint8_t seqno)
{
if(packetbuf_hdralloc(sizeof(struct netflood_hdr))) {
struct netflood_hdr *hdr = packetbuf_hdrptr();
rimeaddr_copy(&hdr->originator, &rimeaddr_node_addr);
rimeaddr_copy(&c->last_originator, &hdr->originator);
c->last_originator_seqno = hdr->originator_seqno = seqno;
hdr->hops = 0;
PRINTF("%d.%d: netflood sending '%s'\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
(char *)packetbuf_dataptr());
return ipolite_send(&c->c, 0, 4);
}
return 0;
}
/*---------------------------------------------------------------------------*/
static void
send_nack(struct rudolph1_conn *c)
{
struct rudolph1_hdr *hdr;
packetbuf_clear();
packetbuf_hdralloc(sizeof(struct rudolph1_hdr));
hdr = packetbuf_hdrptr();
hdr->type = TYPE_NACK;
hdr->version = c->version;
hdr->chunk = c->chunk;
PRINTF("%d.%d: Sending nack for %d:%d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
hdr->version, hdr->chunk);
ipolite_send(&c->ipolite, NACK_TIMEOUT, sizeof(struct rudolph1_hdr));
}