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Reenabled announcement support

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This commit is contained in:
adamdunkels 2010-03-16 18:12:34 +00:00
parent 9be1a65211
commit 36b995cc9a
1 changed files with 44 additions and 16 deletions
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60
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 1.39 2010/03/12 17:51:07 dak664 Exp $
* $Id: collect.c,v 1.40 2010/03/16 18:12:34 adamdunkels Exp $
*/
/**
@ -101,7 +101,7 @@ PACKETQUEUE(sending_queue, MAX_SENDING_QUEUE);
#define COLLECT_ANNOUNCEMENTS COLLECT_CONF_ANNOUNCEMENTS
#endif /* COLLECT_CONF_ANNOUNCEMENTS */
#define DEBUG 0
#define DEBUG 1
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
@ -134,7 +134,7 @@ update_rtmetric(struct collect_conn *tc)
/* If we have don't have any neighbors, we set our rtmetric to
the maximum value to indicate that we do not have a route. */
if(tc->rtmetric != RTMETRIC_MAX) {
PRINTF("%d.%d: didn't find a best neighbor, setting rtmetric to max\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1]);
@ -242,7 +242,7 @@ send_queued_packet(void)
n->addr.u8[0], n->addr.u8[1]);
neighbor_remove(&n->addr);
update_rtmetric(c);
n = neighbor_best();;
n = neighbor_best();
}
/* Don't send to the neighbor if it is the same neighbor that sent
@ -276,6 +276,9 @@ send_queued_packet(void)
ctimer_set(&c->retransmission_timer, time,
retransmit_callback, c);
} else {
#if COLLECT_ANNOUNCEMENTS
announcement_listen(1);
#endif /* COLLECT_ANNOUNCEMENTS */
}
}
}
@ -388,7 +391,7 @@ node_packet_received(struct unicast_conn *c, const rimeaddr_t *from)
/* To protect against sending duplicate packets, we keep a list
of recently forwarded packet seqnos. If the seqno of the current
packet exists in the list, we drop the packet and increase the
packet exists in the list, we increase the
ETX of the neighbor we sent it to in the first place. */
if(packetbuf_attr(PACKETBUF_ATTR_PACKET_TYPE) ==
PACKETBUF_ATTR_PACKET_TYPE_DATA) {
@ -401,6 +404,12 @@ node_packet_received(struct unicast_conn *c, const rimeaddr_t *from)
if(rimeaddr_cmp(&tc->last_received_addr, packetbuf_addr(PACKETBUF_ADDR_SENDER)) &&
tc->last_received_seqno == packetbuf_attr(PACKETBUF_ATTR_PACKET_ID)) {
/* This is a duplicate of the packet we last received, so we just send an ACK. */
PRINTF("%d.%d: received same packet again from %d.%d with seqno %d, via %d.%d, acking\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
ack_to.u8[0], ack_to.u8[1],
packetbuf_attr(PACKETBUF_ATTR_EPACKET_ID),
packetbuf_addr(PACKETBUF_ADDR_SENDER)->u8[0],
packetbuf_addr(PACKETBUF_ADDR_SENDER)->u8[1]);
send_ack(tc, &ack_to, 0, 0, 0);
return;
}
@ -469,11 +478,12 @@ node_packet_received(struct unicast_conn *c, const rimeaddr_t *from)
packetbuf_set_attr(PACKETBUF_ATTR_TTL, packetbuf_attr(PACKETBUF_ATTR_TTL) - 1);
PRINTF("%d.%d: packet received from %d.%d via %d.%d, sending %d\n",
PRINTF("%d.%d: packet received from %d.%d via %d.%d, sending %d, max_rexmits %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
packetbuf_addr(PACKETBUF_ADDR_ESENDER)->u8[0],
packetbuf_addr(PACKETBUF_ADDR_ESENDER)->u8[1],
from->u8[0], from->u8[1], tc->sending);
from->u8[0], from->u8[1], tc->sending,
packetbuf_attr(PACKETBUF_ATTR_MAX_REXMIT));
if(packetqueue_enqueue_packetbuf(&sending_queue, FORWARD_PACKET_LIFETIME,
tc)) {
@ -508,12 +518,13 @@ node_packet_received(struct unicast_conn *c, const rimeaddr_t *from)
static void
node_packet_sent(struct unicast_conn *c, int status, int transmissions)
{
uint16_t tx;
struct collect_conn *tc = (struct collect_conn *)
((char *)c - offsetof(struct collect_conn, unicast_conn));
/* For data packets, we record the number of transmissions */
if(packetbuf_attr(PACKETBUF_ATTR_PACKET_TYPE) ==
PACKETBUF_ATTR_PACKET_TYPE_DATA) {
PACKETBUF_ATTR_PACKET_TYPE_DATA && transmissions > 0) {
PRINTF("%d.%d: sent to %d.%d after %d transmissions\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
tc->current_receiver.u8[0], tc->current_receiver.u8[1],
@ -523,9 +534,24 @@ node_packet_sent(struct unicast_conn *c, int status, int transmissions)
update_rtmetric(tc);*/
tc->transmissions += transmissions;
tx = tc->transmissions;
#if 0
/* Punish neighbors that don't hear us by increasing the expeted
transmissions by four times the actual amount of transmissions
that we tried. This is due to the ETX calculation is done with
a moving average. */
if(status == MAC_TX_NOACK) {
tx *= 8;
}
/* Punish collisions too, but not as much. */
if(status == MAC_TX_COLLISION) {
// tx *= 2;
}
#endif /* 0 */
/* Update ETX with the number of transmissions. */
PRINTF("Updating ETX with %d transmissions\n", tc->transmissions);
neighbor_update_etx(neighbor_find(&tc->current_receiver), tc->transmissions);
PRINTF("Updating ETX with %d transmissions (punished %d)\n", tc->transmissions,
tx);
neighbor_update_etx(neighbor_find(&tc->current_receiver), tx);
update_rtmetric(tc);
}
}
@ -533,8 +559,9 @@ node_packet_sent(struct unicast_conn *c, int status, int transmissions)
static void
timedout(struct collect_conn *tc)
{
PRINTF("%d.%d: timedout after %d retransmissions: packet dropped\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1], tc->transmissions);
PRINTF("%d.%d: timedout after %d retransmissions (max retransmissions %d): packet dropped\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1], tc->transmissions,
tc->max_rexmits);
tc->sending = 0;
neighbor_timedout_etx(neighbor_find(&tc->current_receiver), tc->transmissions);
@ -628,13 +655,13 @@ collect_open(struct collect_conn *tc, uint16_t channels,
neighbor_discovery_open(&tc->neighbor_discovery_conn, channels,
CLOCK_SECOND * 8,
CLOCK_SECOND * 32,
(CLOCK_SECOND * 600UL),
CLOCK_SECOND * 300UL,
&neighbor_discovery_callbacks);
neighbor_discovery_start(&tc->neighbor_discovery_conn, tc->rtmetric);
#else /* !COLLECT_ANNOUNCEMENTS */
announcement_register(&tc->announcement, channels, tc->rtmetric,
received_announcement);
announcement_listen(2);
/* announcement_listen(2);*/
#endif /* !COLLECT_ANNOUNCEMENTS */
}
/*---------------------------------------------------------------------------*/
@ -678,9 +705,10 @@ collect_send(struct collect_conn *tc, int rexmits)
packetbuf_set_attr(PACKETBUF_ATTR_TTL, MAX_HOPLIM);
packetbuf_set_attr(PACKETBUF_ATTR_MAX_REXMIT, rexmits);
PRINTF("%d.%d: originating packet %d\n",
PRINTF("%d.%d: originating packet %d, max_rexmits %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
packetbuf_attr(PACKETBUF_ATTR_EPACKET_ID));
packetbuf_attr(PACKETBUF_ATTR_EPACKET_ID),
packetbuf_attr(PACKETBUF_ATTR_MAX_REXMIT));
PRINTF("rexmit %d\n", rexmits);