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Bugfix: rudolph1 sometimes failed because the first packet was received from a neighbor

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This commit is contained in:
adamdunkels 2007-04-02 19:12:37 +00:00
parent d42b91fd20
commit cda806dc84
1 changed files with 14 additions and 4 deletions
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18
core/net/rime/rudolph1.c
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@ -33,7 +33,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: rudolph1.c,v 1.7 2007/04/02 17:53:27 adamdunkels Exp $
* $Id: rudolph1.c,v 1.8 2007/04/02 19:12:37 adamdunkels Exp $
*/
/**
@ -151,7 +151,9 @@ static void
handle_data(struct rudolph1_conn *c, struct rudolph1_datapacket *p)
{
if(LT(c->version, p->h.version)) {
PRINTF("rudolph1 new version %d, chunk %d\n", p->h.version, p->h.chunk);
PRINTF("%d.%d: rudolph1 new version %d, chunk %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
p->h.version, p->h.chunk);
c->version = p->h.version;
c->highest_chunk_heard = c->chunk = 0;
if(p->h.chunk != 0) {
@ -163,8 +165,9 @@ handle_data(struct rudolph1_conn *c, struct rudolph1_datapacket *p)
/* }*/
} else if(p->h.version == c->version) {
if(p->h.chunk == c->chunk) {
PRINTF("%d: received chunk %d\n",
rimeaddr_node_addr.u16, p->h.chunk);
PRINTF("%d.%d: received chunk %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
p->h.chunk);
write_data(c, p->h.chunk, p->data, p->datalen);
c->highest_chunk_heard = c->chunk;
c->chunk++;
@ -197,6 +200,9 @@ recv_trickle(struct trickle_conn *trickle)
struct rudolph1_datapacket *p = rimebuf_dataptr();
if(p->h.type == TYPE_DATA) {
PRINTF("%d.%d: received trickle with chunk %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
p->h.chunk);
handle_data(c, p);
}
}
@ -215,6 +221,9 @@ recv_uabc(struct uabc_conn *uabc)
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);
uabc_send(&c->uabc, c->send_interval / 2);
}
@ -275,6 +284,7 @@ rudolph1_send(struct rudolph1_conn *c, clock_time_t send_interval)
c->trickle_interval = TRICKLE_INTERVAL;
format_data(c, 0);
trickle_send(&c->trickle, c->trickle_interval);
c->chunk++;
c->send_interval = send_interval;
ctimer_set(&c->t, send_interval, send_next_packet, c);
}