Added a parameter to collect_open() that specifies whether or not the node should be a router for packets, or only an originator of packets. Updated the collect module to the new annoucement API.
This commit is contained in:
adamdunkels
parent
2559e27414
commit
a4f9e62295
2 changed files with 57 additions and 9 deletions
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@ -33,7 +33,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: collect.c,v 1.41 2010/03/19 13:17:00 adamdunkels Exp $
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* $Id: collect.c,v 1.42 2010/03/25 08:51:07 adamdunkels Exp $
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*/
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/**
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@ -101,7 +101,9 @@ PACKETQUEUE(sending_queue, MAX_SENDING_QUEUE);
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#define COLLECT_ANNOUNCEMENTS COLLECT_CONF_ANNOUNCEMENTS
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#endif /* COLLECT_CONF_ANNOUNCEMENTS */
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#define DEBUG 1
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#define ANNOUNCEMENT_SCAN_TIME CLOCK_SECOND
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#define DEBUG 0
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#if DEBUG
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#include <stdio.h>
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#define PRINTF(...) printf(__VA_ARGS__)
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@ -141,7 +143,9 @@ update_rtmetric(struct collect_conn *tc)
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}
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tc->rtmetric = RTMETRIC_MAX;
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#if COLLECT_ANNOUNCEMENTS
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#if ! COLLECT_CONF_WITH_LISTEN
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announcement_set_value(&tc->announcement, tc->rtmetric);
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#endif /* COLLECT_CONF_WITH_LISTEN */
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#else /* COLLECT_ANNOUNCEMENTS */
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neighbor_discovery_set_val(&tc->neighbor_discovery_conn, tc->rtmetric);
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#endif /* COLLECT_ANNOUNCEMENTS */
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@ -159,15 +163,19 @@ update_rtmetric(struct collect_conn *tc)
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before, we call neighbor_discovery_start to start a new
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period. */
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if(old_rtmetric >= tc->rtmetric + COLLECT_NEIGHBOR_ETX_SCALE + COLLECT_NEIGHBOR_ETX_SCALE / 2 ||
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old_rtmetric == SINK) {
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old_rtmetric == RTMETRIC_MAX) {
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neighbor_discovery_start(&tc->neighbor_discovery_conn, tc->rtmetric);
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} else {
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neighbor_discovery_set_val(&tc->neighbor_discovery_conn, tc->rtmetric);
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}
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#else /* ! COLLECT_ANNOUNCEMENTS */
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announcement_set_value(&tc->announcement, tc->rtmetric);
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if(tc->is_router) {
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announcement_set_value(&tc->announcement, tc->rtmetric);
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} else {
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announcement_remove_value(&tc->announcement);
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}
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if(old_rtmetric >= tc->rtmetric + COLLECT_NEIGHBOR_ETX_SCALE + COLLECT_NEIGHBOR_ETX_SCALE / 2 ||
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old_rtmetric == SINK) {
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old_rtmetric == RTMETRIC_MAX) {
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announcement_bump(&tc->announcement);
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}
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#endif /* ! COLLECT_ANNOUNCEMENTS */
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@ -175,11 +183,12 @@ update_rtmetric(struct collect_conn *tc)
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PRINTF("%d.%d: new rtmetric %d\n",
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rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
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tc->rtmetric);
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#if ! COLLECT_CONF_WITH_LISTEN
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/* We got a new, working, route we send any queued packets we may have. */
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if(old_rtmetric == RTMETRIC_MAX) {
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send_queued_packet();
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}
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#endif /* COLLECT_CONF_WITH_LISTEN */
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}
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}
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}
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@ -282,7 +291,15 @@ send_queued_packet(void)
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retransmit_callback, c);
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} else {
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#if COLLECT_ANNOUNCEMENTS
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#if COLLECT_CONF_WITH_LISTEN
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printf("listen\n");
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announcement_listen(1);
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ctimer_set(&c->transmit_after_scan_timer, ANNOUNCEMENT_SCAN_TIME,
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send_queued_packet, NULL);
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#else /* COLLECT_CONF_WITH_LISTEN */
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announcement_set_value(&c->announcement, RTMETRIC_MAX);
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announcement_bump(&c->announcement);
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#endif /* COLLECT_CONF_WITH_LISTEN */
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#endif /* COLLECT_ANNOUNCEMENTS */
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}
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}
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@ -634,7 +651,14 @@ received_announcement(struct announcement *a, const rimeaddr_t *from,
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n->addr.u8[0], n->addr.u8[1], value);
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}
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update_rtmetric(tc);
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update_rtmetric(tc);
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#if ! COLLECT_CONF_WITH_LISTEN
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if(value == RTMETRIC_MAX &&
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tc->rtmetric != RTMETRIC_MAX) {
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announcement_bump(&tc->announcement);
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}
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#endif /* COLLECT_CONF_WITH_LISTEN */
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}
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#endif /* !COLLECT_ANNOUNCEMENTS */
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/*---------------------------------------------------------------------------*/
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@ -647,12 +671,14 @@ static const struct neighbor_discovery_callbacks neighbor_discovery_callbacks =
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/*---------------------------------------------------------------------------*/
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void
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collect_open(struct collect_conn *tc, uint16_t channels,
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uint8_t is_router,
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const struct collect_callbacks *cb)
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{
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unicast_open(&tc->unicast_conn, channels + 1, &unicast_callbacks);
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channel_set_attributes(channels + 1, attributes);
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tc->rtmetric = RTMETRIC_MAX;
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tc->cb = cb;
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tc->is_router = is_router;
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collect_neighbor_init();
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packetqueue_init(&sending_queue);
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@ -664,8 +690,11 @@ collect_open(struct collect_conn *tc, uint16_t channels,
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&neighbor_discovery_callbacks);
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neighbor_discovery_start(&tc->neighbor_discovery_conn, tc->rtmetric);
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#else /* !COLLECT_ANNOUNCEMENTS */
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announcement_register(&tc->announcement, channels, tc->rtmetric,
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announcement_register(&tc->announcement, channels,
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received_announcement);
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#if ! COLLECT_CONF_WITH_LISTEN
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announcement_set_value(&tc->announcement, RTMETRIC_MAX);
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#endif /* COLLECT_CONF_WITH_LISTEN */
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#endif /* !COLLECT_ANNOUNCEMENTS */
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}
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/*---------------------------------------------------------------------------*/
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@ -684,6 +713,7 @@ void
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collect_set_sink(struct collect_conn *tc, int should_be_sink)
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{
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if(should_be_sink) {
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tc->is_router = 1;
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tc->rtmetric = SINK;
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PRINTF("collect_set_sink: tc->rtmetric %d\n", tc->rtmetric);
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#if !COLLECT_ANNOUNCEMENTS
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@ -749,8 +779,18 @@ collect_send(struct collect_conn *tc, int rexmits)
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PRINTF("%d.%d: did not find any neighbor to send to\n",
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rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1]);
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#if COLLECT_ANNOUNCEMENTS
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#if COLLECT_CONF_WITH_LISTEN
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printf("listen\n");
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announcement_listen(1);
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ctimer_set(&tc->transmit_after_scan_timer, ANNOUNCEMENT_SCAN_TIME,
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send_queued_packet, NULL);
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#else /* COLLECT_CONF_WITH_LISTEN */
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printf("bump neighbor value\n");
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announcement_set_value(&tc->announcement, RTMETRIC_MAX);
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announcement_bump(&tc->announcement);
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#endif /* COLLECT_CONF_WITH_LISTEN */
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#endif /* COLLECT_ANNOUNCEMENTS */
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if(packetqueue_enqueue_packetbuf(&sending_queue, FORWARD_PACKET_LIFETIME,
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tc)) {
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return 1;
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@ -47,7 +47,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: collect.h,v 1.14 2010/03/14 23:01:12 adamdunkels Exp $
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* $Id: collect.h,v 1.15 2010/03/25 08:51:07 adamdunkels Exp $
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*/
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/**
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@ -86,6 +86,7 @@ struct collect_conn {
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struct neighbor_discovery_conn neighbor_discovery_conn;
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#else /* ! COLLECT_CONF_ANNOUNCEMENTS */
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struct announcement announcement;
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struct ctimer transmit_after_scan_timer;
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#endif /* COLLECT_CONF_ANNOUNCEMENTS */
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const struct collect_callbacks *cb;
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struct ctimer t;
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@ -96,9 +97,16 @@ struct collect_conn {
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uint8_t eseqno;
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struct ctimer retransmission_timer;
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rimeaddr_t current_receiver;
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uint8_t is_router;
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};
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enum {
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COLLECT_NO_ROUTER,
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COLLECT_ROUTER,
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};
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void collect_open(struct collect_conn *c, uint16_t channels,
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uint8_t is_router,
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const struct collect_callbacks *callbacks);
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void collect_close(struct collect_conn *c);
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