Updated ruc to send ACKs before notifying applications, and API support for the etx-based tree code
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@ -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: ruc.c,v 1.13 2007/10/23 14:00:36 nifi Exp $
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* $Id: ruc.c,v 1.14 2007/11/13 20:58:46 adamdunkels Exp $
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*/
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/**
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@ -78,7 +78,7 @@ sent_by_suc(struct suc_conn *suc)
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if(c->rxmit >= c->max_rxmit) {
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RIMESTATS_ADD(timedout);
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suc_cancel(&c->c);
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c->u->timedout(c);
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c->u->timedout(c, suc_receiver(&c->c), c->rxmit);
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PRINTF("%d.%d: ruc: packet %d timed out\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
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c->sndnxt);
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@ -108,10 +108,9 @@ recv_from_suc(struct suc_conn *suc, rimeaddr_t *from)
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rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
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hdr->seqno);
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++c->sndnxt;
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c->rxmit = 0;
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suc_cancel(&c->c);
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if(c->u->sent != NULL) {
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c->u->sent(c);
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c->u->sent(c, suc_receiver(&c->c), c->rxmit);
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}
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} else {
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PRINTF("%d.%d: ruc: received bad ACK %d for %d\n",
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@ -121,8 +120,9 @@ recv_from_suc(struct suc_conn *suc, rimeaddr_t *from)
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RIMESTATS_ADD(badackrx);
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}
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} else if(hdr->type == TYPE_DATA) {
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int send_ack = 1;
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/* int send_ack = 1;*/
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u16_t packet_seqno;
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struct queuebuf *q;
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RIMESTATS_ADD(reliablerx);
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@ -133,11 +133,9 @@ recv_from_suc(struct suc_conn *suc, rimeaddr_t *from)
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packet_seqno = hdr->seqno;
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rimebuf_hdrreduce(sizeof(struct ruc_hdr));
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if(c->u->recv != NULL) {
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send_ack = c->u->recv(c, from, packet_seqno);
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}
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if(send_ack) {
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q = queuebuf_new_from_rimebuf();
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PRINTF("%d.%d: ruc: Sending ACK to %d.%d for %d\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
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from->u8[0], from->u8[1],
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@ -149,11 +147,21 @@ recv_from_suc(struct suc_conn *suc, rimeaddr_t *from)
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hdr->seqno = packet_seqno;
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suc_send(&c->c, from);
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RIMESTATS_ADD(acktx);
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} else {
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queuebuf_to_rimebuf(q);
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queuebuf_free(q);
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if(c->u->recv != NULL) {
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c->u->recv(c, from, packet_seqno);
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/* send_ack = c->u->recv(c, from, packet_seqno);*/
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}
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/* if(send_ack) {*/
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/* } else {
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RIMESTATS_ADD(noacktx);
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PRINTF("%d.%d: Not sending ACK\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
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}
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}*/
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}
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}
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/*---------------------------------------------------------------------------*/
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@ -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: ruc.h,v 1.8 2007/05/22 20:56:52 adamdunkels Exp $
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* $Id: ruc.h,v 1.9 2007/11/13 20:58:46 adamdunkels Exp $
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*/
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/**
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@ -47,8 +47,8 @@ struct ruc_conn;
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struct ruc_callbacks {
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int (* recv)(struct ruc_conn *c, rimeaddr_t *from, u8_t seqno);
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void (* sent)(struct ruc_conn *c);
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void (* timedout)(struct ruc_conn *c);
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void (* sent)(struct ruc_conn *c, rimeaddr_t *to, u8_t retransmissions);
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void (* timedout)(struct ruc_conn *c, rimeaddr_t *to, u8_t retransmissions);
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};
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struct ruc_conn {
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@ -65,4 +65,4 @@ void ruc_close(struct ruc_conn *c);
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int ruc_send(struct ruc_conn *c, rimeaddr_t *receiver, u8_t max_retransmissions);
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#endif /* __RRUC_H__ */
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#endif /* __RUC_H__ */
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