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Updated ruc to send ACKs before notifying applications, and API support for the etx-based tree code

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This commit is contained in:
adamdunkels 2007-11-13 20:58:46 +00:00
parent 6845d2a1aa
commit c40dde1209
2 changed files with 32 additions and 24 deletions
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48
core/net/rime/ruc.c
View File

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: ruc.c,v 1.13 2007/10/23 14:00:36 nifi Exp $
* $Id: ruc.c,v 1.14 2007/11/13 20:58:46 adamdunkels Exp $
*/
/**
@ -78,7 +78,7 @@ sent_by_suc(struct suc_conn *suc)
if(c->rxmit >= c->max_rxmit) {
RIMESTATS_ADD(timedout);
suc_cancel(&c->c);
c->u->timedout(c);
c->u->timedout(c, suc_receiver(&c->c), c->rxmit);
PRINTF("%d.%d: ruc: packet %d timed out\n",
rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
c->sndnxt);
@ -108,10 +108,9 @@ recv_from_suc(struct suc_conn *suc, rimeaddr_t *from)
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
hdr->seqno);
++c->sndnxt;
c->rxmit = 0;
suc_cancel(&c->c);
if(c->u->sent != NULL) {
c->u->sent(c);
c->u->sent(c, suc_receiver(&c->c), c->rxmit);
}
} else {
PRINTF("%d.%d: ruc: received bad ACK %d for %d\n",
@ -121,8 +120,9 @@ recv_from_suc(struct suc_conn *suc, rimeaddr_t *from)
RIMESTATS_ADD(badackrx);
}
} else if(hdr->type == TYPE_DATA) {
int send_ack = 1;
/* int send_ack = 1;*/
u16_t packet_seqno;
struct queuebuf *q;
RIMESTATS_ADD(reliablerx);
@ -133,27 +133,35 @@ recv_from_suc(struct suc_conn *suc, rimeaddr_t *from)
packet_seqno = hdr->seqno;
rimebuf_hdrreduce(sizeof(struct ruc_hdr));
q = queuebuf_new_from_rimebuf();
PRINTF("%d.%d: ruc: Sending ACK to %d.%d for %d\n",
rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
from->u8[0], from->u8[1],
packet_seqno);
rimebuf_clear();
rimebuf_hdralloc(sizeof(struct ruc_hdr));
hdr = rimebuf_hdrptr();
hdr->type = TYPE_ACK;
hdr->seqno = packet_seqno;
suc_send(&c->c, from);
RIMESTATS_ADD(acktx);
queuebuf_to_rimebuf(q);
queuebuf_free(q);
if(c->u->recv != NULL) {
send_ack = c->u->recv(c, from, packet_seqno);
c->u->recv(c, from, packet_seqno);
/* send_ack = c->u->recv(c, from, packet_seqno);*/
}
if(send_ack) {
PRINTF("%d.%d: ruc: Sending ACK to %d.%d for %d\n",
rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
from->u8[0], from->u8[1],
packet_seqno);
rimebuf_clear();
rimebuf_hdralloc(sizeof(struct ruc_hdr));
hdr = rimebuf_hdrptr();
hdr->type = TYPE_ACK;
hdr->seqno = packet_seqno;
suc_send(&c->c, from);
RIMESTATS_ADD(acktx);
} else {
/* if(send_ack) {*/
/* } else {
RIMESTATS_ADD(noacktx);
PRINTF("%d.%d: Not sending ACK\n",
rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
}
}*/
}
}
/*---------------------------------------------------------------------------*/

8
core/net/rime/ruc.h
View File

@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: ruc.h,v 1.8 2007/05/22 20:56:52 adamdunkels Exp $
* $Id: ruc.h,v 1.9 2007/11/13 20:58:46 adamdunkels Exp $
*/
/**
@ -47,8 +47,8 @@ struct ruc_conn;
struct ruc_callbacks {
int (* recv)(struct ruc_conn *c, rimeaddr_t *from, u8_t seqno);
void (* sent)(struct ruc_conn *c);
void (* timedout)(struct ruc_conn *c);
void (* sent)(struct ruc_conn *c, rimeaddr_t *to, u8_t retransmissions);
void (* timedout)(struct ruc_conn *c, rimeaddr_t *to, u8_t retransmissions);
};
struct ruc_conn {
@ -65,4 +65,4 @@ void ruc_close(struct ruc_conn *c);
int ruc_send(struct ruc_conn *c, rimeaddr_t *receiver, u8_t max_retransmissions);
#endif /* __RRUC_H__ */
#endif /* __RUC_H__ */