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Bugfix: set up rtmetric before starting to announce it. Set the number of MAC layer retransmissions correctly

This commit is contained in:
adamdunkels 2010-03-09 13:21:28 +00:00
parent 2c3d3e3d73
commit 5a6fc2ade0
1 changed files with 14 additions and 11 deletions
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25
core/net/rime/collect.c
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@ -33,7 +33,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: collect.c,v 1.36 2010/03/02 15:41:23 dak664 Exp $
* $Id: collect.c,v 1.37 2010/03/09 13:21:28 adamdunkels Exp $
*/
/**
@ -121,6 +121,8 @@ update_rtmetric(struct collect_conn *tc)
{
struct neighbor *n;
PRINTF("update_rtmetric: tc->rtmetric %d\n", tc->rtmetric);
/* We should only update the rtmetric if we are not the sink. */
if(tc->rtmetric != SINK) {
@ -258,7 +260,7 @@ send_queued_packet(void)
rimeaddr_copy(&c->current_receiver, &n->addr);
c->sending = 1;
c->transmissions = 0;
c->max_rexmits = 8;//packetbuf_attr(PACKETBUF_ATTR_EMAX_REXMIT);
c->max_rexmits = packetbuf_attr(PACKETBUF_ATTR_MAX_REXMIT);
PRINTF("max_rexmits %d\n", c->max_rexmits);
packetbuf_set_attr(PACKETBUF_ATTR_RELIABLE, 1);
packetbuf_set_attr(PACKETBUF_ATTR_MAX_MAC_REXMIT, 2);
@ -355,7 +357,7 @@ send_ack(struct collect_conn *tc, const rimeaddr_t *to, int congestion, int drop
packetbuf_set_attr(PACKETBUF_ATTR_RELIABLE, 0);
packetbuf_set_attr(PACKETBUF_ATTR_ERELIABLE, 0);
packetbuf_set_attr(PACKETBUF_ATTR_PACKET_ID, packet_seqno);
packetbuf_set_attr(PACKETBUF_ATTR_MAX_REXMIT, 2);
packetbuf_set_attr(PACKETBUF_ATTR_MAX_MAC_REXMIT, 2);
unicast_send(&tc->unicast_conn, to);
PRINTF("%d.%d: collect: Sending ACK to %d.%d for %d\n",
@ -615,11 +617,18 @@ void
collect_open(struct collect_conn *tc, uint16_t channels,
const struct collect_callbacks *cb)
{
unicast_open(&tc->unicast_conn, channels + 1, &unicast_callbacks);
channel_set_attributes(channels + 1, attributes);
tc->rtmetric = RTMETRIC_MAX;
tc->cb = cb;
neighbor_init();
packetqueue_init(&sending_queue);
#if !COLLECT_ANNOUNCEMENTS
neighbor_discovery_open(&tc->neighbor_discovery_conn, channels,
CLOCK_SECOND * 8,
CLOCK_SECOND * 32,
(unsigned) (CLOCK_SECOND * 600UL),
(CLOCK_SECOND * 600UL),
&neighbor_discovery_callbacks);
neighbor_discovery_start(&tc->neighbor_discovery_conn, tc->rtmetric);
#else /* !COLLECT_ANNOUNCEMENTS */
@ -627,13 +636,6 @@ collect_open(struct collect_conn *tc, uint16_t channels,
received_announcement);
announcement_listen(2);
#endif /* !COLLECT_ANNOUNCEMENTS */
unicast_open(&tc->unicast_conn, channels + 1, &unicast_callbacks);
channel_set_attributes(channels + 1, attributes);
tc->rtmetric = RTMETRIC_MAX;
tc->cb = cb;
neighbor_init();
packetqueue_init(&sending_queue);
}
/*---------------------------------------------------------------------------*/
void
@ -652,6 +654,7 @@ collect_set_sink(struct collect_conn *tc, int should_be_sink)
{
if(should_be_sink) {
tc->rtmetric = SINK;
PRINTF("collect_set_sink: tc->rtmetric %d\n", tc->rtmetric);
#if !COLLECT_ANNOUNCEMENTS
neighbor_discovery_start(&tc->neighbor_discovery_conn, tc->rtmetric);
#endif /* !COLLECT_ANNOUNCEMENTS */