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https://github.com/oliverschmidt/contiki.git
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* Use convince macro uip_ipaddr_to_quad.
* Printf format check and fix format strings. * More info in some printfs. * Be conservative about keeping working routes in RREQ (forward) path. * Put some spacing between forwarded packet and RREQ.
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143
core/net/uaodv.c
143
core/net/uaodv.c
@ -28,7 +28,7 @@
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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: uaodv.c,v 1.3 2007/01/24 16:32:34 bg- Exp $
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* $Id: uaodv.c,v 1.4 2007/02/01 14:33:05 bg- Exp $
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*/
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/**
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@ -62,22 +62,22 @@ static uip_ipaddr_t last_rreq_originator;
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static u32_t last_rreq_id;
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#define ip2quad(p) uip_ipaddr1(p),uip_ipaddr2(p),uip_ipaddr3(p),uip_ipaddr4(p)
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#if 1
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#define PRINTF(...) do {} while (0)
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#define print_debug(...) do{}while(0)
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#else
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#define PRINTF(...) printf(__VA_ARGS__)
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static void
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print_debug(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
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static void
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print_debug(const char *fmt, ...)
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{
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#if 1
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va_list ap;
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va_start(ap, fmt);
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printf("%d.%d.%d.%d: ", ip2quad(&uip_hostaddr));
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printf("%d.%d.%d.%d: ", uip_ipaddr_to_quad(&uip_hostaddr));
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vprintf(fmt, ap);
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va_end(ap);
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#endif
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return;
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}
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#endif
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@ -138,13 +138,7 @@ send_rrep(uip_ipaddr_t *dst, uip_ipaddr_t *nexthop, uip_ipaddr_t *src, u32_t seq
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rm->lifetime = MY_ROUTE_TIMEOUT;
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sendto(nexthop, (char *)rm, sizeof(struct uaodv_msg_rrep));
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print_debug("Sending RREP to %d.%d.%d.%d\n",
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uip_ipaddr1(nexthop),
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uip_ipaddr2(nexthop),
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uip_ipaddr3(nexthop),
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uip_ipaddr4(nexthop));
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print_debug("Sending RREP to %d.%d.%d.%d\n", uip_ipaddr_to_quad(nexthop));
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}
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/*---------------------------------------------------------------------------*/
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#ifdef UAODV_BAD_ROUTE
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@ -162,7 +156,8 @@ send_rerr(uip_ipaddr_t *addr, u32_t seqno)
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sendto(&uip_broadcast_addr, (char *)rm, sizeof(struct uaodv_msg_rerr));
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print_debug("Broadcasting initial RERR for %d.%d.%d.%d\n", ip2quad(addr));
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print_debug("Broadcasting initial RERR for %d.%d.%d.%d\n",
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uip_ipaddr_to_quad(addr));
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}
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#endif
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/*---------------------------------------------------------------------------*/
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@ -175,11 +170,8 @@ handle_incoming_rreq(void)
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#ifdef CC2420_RADIO
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if(cc2420_last_rssi <= -38 || cc2420_last_correlation < 100) {
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printf("RREQ drop from %d.%d.%d.%d %d %d \n",
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uip_ipaddr1(uip_udp_sender()),
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uip_ipaddr2(uip_udp_sender()),
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uip_ipaddr3(uip_udp_sender()),
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uip_ipaddr4(uip_udp_sender()),
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PRINTF("RREQ drop from %d.%d.%d.%d %d %d \n",
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uip_ipaddr_to_quad(uip_udp_sender()),
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cc2420_last_rssi,
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cc2420_last_correlation);
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return;
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@ -188,19 +180,13 @@ handle_incoming_rreq(void)
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/* Check if it is for our address. */
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if(uip_ipaddr_cmp(&rm->dest_addr, &uip_hostaddr)) {
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print_debug("RREQ for our address!\n");
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rt = uaodv_rt_lookup(&rm->src_addr);
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if(rt == NULL || rm->hop_count <= rt->hop_count) {
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print_debug("RREQ for our address! rt=%p\n", rt);
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if(rt == NULL) {
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/* Insert originator into routing table. */
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print_debug("Inserting1 %d.%d.%d.%d into routing table, next hop %d.%d.%d.%d., hop_count %d\n",
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uip_ipaddr1(&rm->src_addr),
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uip_ipaddr2(&rm->src_addr),
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uip_ipaddr3(&rm->src_addr),
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uip_ipaddr4(&rm->src_addr),
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uip_ipaddr1(uip_udp_sender()),
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uip_ipaddr2(uip_udp_sender()),
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uip_ipaddr3(uip_udp_sender()),
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uip_ipaddr4(uip_udp_sender()),
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uip_ipaddr_to_quad(&rm->src_addr),
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uip_ipaddr_to_quad(uip_udp_sender()),
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rm->hop_count);
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uaodv_rt_add(&rm->src_addr, uip_udp_sender(), rm->hop_count, 0);
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}
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@ -211,23 +197,13 @@ handle_incoming_rreq(void)
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send_rrep(&dest_addr, uip_udp_sender(), &src_addr, rm->src_seqno);
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} else if(!uip_ipaddr_cmp(&last_rreq_originator, &rm->src_addr) ||
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last_rreq_id != rm->rreq_id) {
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print_debug("RREQ for %d.%d.%d.%d!\n",
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uip_ipaddr1(&rm->dest_addr),
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uip_ipaddr2(&rm->dest_addr),
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uip_ipaddr3(&rm->dest_addr),
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uip_ipaddr4(&rm->dest_addr));
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print_debug("RREQ for %d.%d.%d.%d!\n", uip_ipaddr_to_quad(&rm->dest_addr));
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rt = uaodv_rt_lookup(&rm->src_addr);
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if(rt == NULL || rm->hop_count <= rt->hop_count) {
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if(rt == NULL) {
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/* Insert originator into routing table. */
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print_debug("Inserting2 %d.%d.%d.%d into routing table, next hop %d.%d.%d.%d., hop_count %d\n",
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uip_ipaddr1(&rm->src_addr),
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uip_ipaddr2(&rm->src_addr),
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uip_ipaddr3(&rm->src_addr),
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uip_ipaddr4(&rm->src_addr),
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uip_ipaddr1(uip_udp_sender()),
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uip_ipaddr2(uip_udp_sender()),
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uip_ipaddr3(uip_udp_sender()),
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uip_ipaddr4(uip_udp_sender()),
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uip_ipaddr_to_quad(&rm->src_addr),
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uip_ipaddr_to_quad(uip_udp_sender()),
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rm->hop_count);
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uaodv_rt_add(&rm->src_addr, uip_udp_sender(), rm->hop_count, 0);
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}
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@ -239,10 +215,7 @@ handle_incoming_rreq(void)
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don't do it at the moment. */
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print_debug("Forwarding RREQ to %d.%d.%d.%d ttl=%d\n",
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uip_ipaddr1(&rm->src_addr),
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uip_ipaddr2(&rm->src_addr),
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uip_ipaddr3(&rm->src_addr),
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uip_ipaddr4(&rm->src_addr),
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uip_ipaddr_to_quad(&rm->src_addr),
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uip_udp_conn->ttl);
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uip_ipaddr_copy(&last_rreq_originator, &rm->src_addr);
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@ -250,15 +223,9 @@ handle_incoming_rreq(void)
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rm->hop_count++;
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uip_send((char *)rm, sizeof(struct uaodv_msg_rreq));
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} else {
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print_debug("Not forwarding rreq last_rreq_originator %d.%d.%d.%d src_addr %d.%d.%d.%d, last_rreq_id %d rreq_id %d\n",
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uip_ipaddr1(&last_rreq_originator),
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uip_ipaddr2(&last_rreq_originator),
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uip_ipaddr3(&last_rreq_originator),
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uip_ipaddr4(&last_rreq_originator),
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uip_ipaddr1(&rm->src_addr),
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uip_ipaddr2(&rm->src_addr),
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uip_ipaddr3(&rm->src_addr),
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uip_ipaddr4(&rm->src_addr),
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print_debug("Not forwarding rreq last_rreq_originator %d.%d.%d.%d src_addr %d.%d.%d.%d, last_rreq_id %ld rreq_id %ld\n",
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uip_ipaddr_to_quad(&last_rreq_originator),
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uip_ipaddr_to_quad(&rm->src_addr),
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last_rreq_id, rm->rreq_id);
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}
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}
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@ -269,63 +236,47 @@ handle_incoming_rrep(void)
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struct uaodv_msg_rrep *rm = (struct uaodv_msg_rrep *)uip_appdata;
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struct uaodv_rt_entry *rt;
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print_debug("RREP received\n");
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/* Check if we have another route to this destination. If so, we'll
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use the new one if the hop count is lower, and if the sequence
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number say we should. */
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rt = uaodv_rt_lookup(&rm->dest_addr);
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print_debug("RREP received\n rt=%p", rt);
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if(rt == NULL ||
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(rt->hop_count > rm->hop_count /* && seqno < seqno */)) {
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/* Insert originator into routing table. */
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print_debug("Inserting3 %d.%d.%d.%d into routing table, next hop %d.%d.%d.%d, hop_count %d.\n",
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uip_ipaddr1(&rm->dest_addr),
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uip_ipaddr2(&rm->dest_addr),
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uip_ipaddr3(&rm->dest_addr),
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uip_ipaddr4(&rm->dest_addr),
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uip_ipaddr1(uip_udp_sender()),
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uip_ipaddr2(uip_udp_sender()),
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uip_ipaddr3(uip_udp_sender()),
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uip_ipaddr4(uip_udp_sender()), rm->hop_count
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);
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uip_ipaddr_to_quad(&rm->dest_addr),
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uip_ipaddr_to_quad(uip_udp_sender()),
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rm->hop_count);
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uaodv_rt_add(&rm->dest_addr, uip_udp_sender(), rm->hop_count, 0);
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#ifdef CC2420_RADIO
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/* This link is ok since he is unicasting back to us! */
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cc2420_recv_ok(uip_udp_sender());
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printf("RREP recv ok from %d.%d.%d.%d %d %d \n",
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uip_ipaddr1(uip_udp_sender()),
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uip_ipaddr2(uip_udp_sender()),
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uip_ipaddr3(uip_udp_sender()),
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uip_ipaddr4(uip_udp_sender()),
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PRINTF("RREP recv ok from %d.%d.%d.%d %d %d \n",
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uip_ipaddr_to_quad(uip_udp_sender()),
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cc2420_last_rssi,
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cc2420_last_correlation);
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#endif
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} else {
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print_debug("Not inserting %d.%d.%d.%d into routing table, next hop %d.%d.%d.%d, hop_count %d.\n",
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uip_ipaddr1(&rm->dest_addr),
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uip_ipaddr2(&rm->dest_addr),
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uip_ipaddr3(&rm->dest_addr),
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uip_ipaddr4(&rm->dest_addr),
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uip_ipaddr1(uip_udp_sender()),
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uip_ipaddr2(uip_udp_sender()),
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uip_ipaddr3(uip_udp_sender()),
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uip_ipaddr4(uip_udp_sender()), rm->hop_count
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);
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uip_ipaddr_to_quad(&rm->dest_addr),
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uip_ipaddr_to_quad(uip_udp_sender()),
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rm->hop_count);
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}
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if(uip_ipaddr_cmp(&rm->src_addr, &uip_hostaddr)) {
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print_debug("------- COMPLETE ROUTE FOUND\n");
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} else {
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/* print_debug("Sending back to originator\n");
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#if 0
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print_debug("Sending back to originator\n");
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print_debug("Route lookup for %d.%d.%d.%d\n",
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uip_ipaddr1(&rm->src_addr),
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uip_ipaddr2(&rm->src_addr),
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uip_ipaddr3(&rm->src_addr),
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uip_ipaddr4(&rm->src_addr));*/
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uip_ipaddr_to_quad(&rm->src_addr));
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#endif
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rt = uaodv_rt_lookup(&rm->src_addr);
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@ -337,11 +288,8 @@ handle_incoming_rrep(void)
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rm->hop_count++;
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print_debug("Sending RREP to %d.%d.%d.%d\n",
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uip_ipaddr1(&rt->nexthop),
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uip_ipaddr2(&rt->nexthop),
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uip_ipaddr3(&rt->nexthop),
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uip_ipaddr4(&rt->nexthop));
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uip_ipaddr_to_quad(&rt->nexthop));
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sendto(&rt->nexthop, (char *)rm, sizeof(struct uaodv_msg_rrep));
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/* print_debug("RREP forwarded\n");*/
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@ -355,9 +303,9 @@ handle_incoming_rerr(void)
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struct uaodv_msg_rerr *rm = (struct uaodv_msg_rerr *)uip_appdata;
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struct uaodv_rt_entry *rt;
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print_debug("RERR received from %d.%d.%d.%d route to %d.%d.%d.%d seq=%d\n",
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ip2quad(uip_udp_sender()),
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ip2quad(&rm->unreach[0].addr), rm->unreach[0].seqno);
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print_debug("RERR received from %d.%d.%d.%d route to %d.%d.%d.%d seq=%ld\n",
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uip_ipaddr_to_quad(uip_udp_sender()),
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uip_ipaddr_to_quad(&rm->unreach[0].addr), rm->unreach[0].seqno);
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rt = uaodv_rt_lookup(&rm->unreach[0].addr);
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if(rt != NULL && uip_ipaddr_cmp(&rt->nexthop, uip_udp_sender())) {
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@ -476,6 +424,11 @@ PROCESS_THREAD(uaodv_process, ev, data)
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}
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if(ev == PROCESS_EVENT_MSG) {
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#if 1
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static struct etimer etimer;
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etimer_set(&etimer, 2);
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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#endif
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tcpip_poll_udp(aodvconn);
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}
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}
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