mirror of
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Moved rudolph{0,1} from apps/ directory into core/net/rime
This commit is contained in:
adamdunkels
parent
e57126ed0e
commit
d9f0c89726
@ -3,4 +3,5 @@ CONTIKI_SOURCEFILES += rimebuf.c queuebuf.c rimeaddr.c ctimer.c rime.c \
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uibc.c mh.c \
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uibc.c mh.c \
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mesh.c route.c route-discovery.c \
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mesh.c route.c route-discovery.c \
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tree.c neighbor.c \
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tree.c neighbor.c \
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trickle.c
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trickle.c \
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rudolph0.c rudolph1.c
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231
core/net/rime/rudolph0.c
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231
core/net/rime/rudolph0.c
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@ -0,0 +1,231 @@
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/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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|
* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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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: rudolph0.c,v 1.1 2007/03/25 11:56:59 adamdunkels Exp $
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*/
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/**
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* \file
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* Rudolph0: a simple block data flooding protocol
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "net/rime.h"
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#include "rudolph0.h"
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#include <stddef.h> /* for offsetof */
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#define SENDING_TIME CLOCK_SECOND / 2
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#define STEADY_TIME CLOCK_SECOND * 2
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enum {
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TYPE_DATA,
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TYPE_NACK,
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};
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enum {
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STATE_RECEIVER,
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STATE_SENDER,
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};
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#define VERSION_LT(a, b) ((signed char)((a) - (b)) < 0)
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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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#else
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#define PRINTF(...)
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#endif
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/*---------------------------------------------------------------------------*/
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static void
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read_new_datapacket(struct rudolph0_conn *c)
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{
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int len = 0;
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if(c->cb->read_chunk) {
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len = c->cb->read_chunk(c, c->current.h.chunk * RUDOLPH0_DATASIZE,
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c->current.data, RUDOLPH0_DATASIZE);
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}
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c->current.datalen = len;
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PRINTF("read_new_datapacket len %d\n", len);
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}
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/*---------------------------------------------------------------------------*/
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static void
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send_nack(struct rudolph0_conn *c)
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{
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struct rudolph0_hdr *hdr;
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rimebuf_clear();
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rimebuf_hdralloc(sizeof(struct rudolph0_hdr));
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hdr = rimebuf_hdrptr();
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hdr->type = TYPE_NACK;
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hdr->version = c->current.h.version;
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hdr->chunk = c->current.h.chunk;
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PRINTF("Sending nack for %d:%d\n", hdr->version, hdr->chunk);
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uabc_send(&c->nackc, CLOCK_SECOND / 4);
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}
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/*---------------------------------------------------------------------------*/
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static void
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sent(struct sabc_conn *sabc)
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{
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struct rudolph0_conn *c = (struct rudolph0_conn *)sabc;
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if(c->current.datalen == RUDOLPH0_DATASIZE) {
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c->current.h.chunk++;
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PRINTF("Sending data chunk %d next time\n", c->current.h.chunk);
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read_new_datapacket(c);
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} else {
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sabc_set_timer(&c->c, STEADY_TIME);
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PRINTF("Steady: Sending the same data chunk next time datalen %d, %d\n",
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c->current.datalen, RUDOLPH0_DATASIZE);
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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recv(struct sabc_conn *sabc)
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{
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struct rudolph0_conn *c = (struct rudolph0_conn *)sabc;
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struct rudolph0_datapacket *p = rimebuf_dataptr();
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/* if(rand() & 1) {
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return;
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}*/
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if(p->h.type == TYPE_DATA) {
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if(c->current.h.version != p->h.version) {
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PRINTF("rudolph0 new version %d\n", p->h.version);
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c->current.h.version = p->h.version;
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c->current.h.chunk = 0;
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c->cb->write_chunk(c, 0, RUDOLPH0_FLAG_NEWFILE, p->data, 0);
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if(p->h.chunk != 0) {
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send_nack(c);
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} else {
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c->cb->write_chunk(c, 0, RUDOLPH0_FLAG_NONE, p->data, p->datalen);
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c->current.h.chunk++;
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}
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} else if(p->h.version == c->current.h.version) {
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if(p->h.chunk == c->current.h.chunk) {
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PRINTF("received chunk %d\n", p->h.chunk);
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if(p->datalen < RUDOLPH0_DATASIZE) {
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c->cb->write_chunk(c, c->current.h.chunk * RUDOLPH0_DATASIZE,
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RUDOLPH0_FLAG_LASTCHUNK, p->data, p->datalen);
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} else {
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c->cb->write_chunk(c, c->current.h.chunk * RUDOLPH0_DATASIZE,
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RUDOLPH0_FLAG_NONE, p->data, p->datalen);
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}
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c->current.h.chunk++;
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} else if(p->h.chunk > c->current.h.chunk) {
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PRINTF("received chunk %d > %d, sending NACK\n", p->h.chunk, c->current.h.chunk);
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send_nack(c);
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}
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} else { /* p->h.version < c->current.h.version */
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/* Ignore packets with old version */
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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recv_nack(struct uabc_conn *uabc)
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{
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struct rudolph0_conn *c = (struct rudolph0_conn *)
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((char *)uabc - offsetof(struct rudolph0_conn,
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nackc));
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struct rudolph0_datapacket *p = rimebuf_dataptr();
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if(p->h.type == TYPE_NACK && c->state == STATE_SENDER) {
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if(p->h.version == c->current.h.version) {
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PRINTF("Reseting chunk to %d\n", p->h.chunk);
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c->current.h.chunk = p->h.chunk;
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} else {
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PRINTF("Wrong version, reseting chunk to 0\n");
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c->current.h.chunk = 0;
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}
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read_new_datapacket(c);
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sabc_set_timer(&c->c, SENDING_TIME);
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}
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}
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/*---------------------------------------------------------------------------*/
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static const struct uabc_callbacks uabc = { recv_nack, NULL, NULL };
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static const struct sabc_callbacks sabc = { recv, sent };
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/*---------------------------------------------------------------------------*/
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void
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rudolph0_open(struct rudolph0_conn *c, u16_t channel,
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const struct rudolph0_callbacks *cb)
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{
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sabc_open(&c->c, channel, &sabc);
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uabc_open(&c->nackc, channel + 1, &uabc);
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c->cb = cb;
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c->current.h.version = 0;
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c->state = STATE_RECEIVER;
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}
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/*---------------------------------------------------------------------------*/
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void
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rudolph0_close(struct rudolph0_conn *c)
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{
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sabc_close(&c->c);
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uabc_close(&c->nackc);
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}
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/*---------------------------------------------------------------------------*/
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void
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rudolph0_send(struct rudolph0_conn *c)
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{
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c->state = STATE_SENDER;
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c->current.h.version++;
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c->current.h.chunk = 0;
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c->current.h.type = TYPE_DATA;
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read_new_datapacket(c);
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rimebuf_reference(&c->current, sizeof(struct rudolph0_datapacket));
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sabc_send_stubborn(&c->c, SENDING_TIME);
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}
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/*---------------------------------------------------------------------------*/
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void
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rudolph0_stop(struct rudolph0_conn *c)
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{
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sabc_cancel(&c->c);
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}
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/*---------------------------------------------------------------------------*/
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int
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rudolph0_version(struct rudolph0_conn *c)
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{
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return c->current.h.version;
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}
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/*---------------------------------------------------------------------------*/
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void
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rudolph0_set_version(struct rudolph0_conn *c, int version)
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{
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c->current.h.version = version;
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}
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/*---------------------------------------------------------------------------*/
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95
core/net/rime/rudolph0.h
Normal file
95
core/net/rime/rudolph0.h
Normal file
@ -0,0 +1,95 @@
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/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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|
* modification, are permitted provided that the following conditions
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||||||
|
* are met:
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||||||
|
* 1. Redistributions of source code must retain the above copyright
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||||||
|
* notice, this list of conditions and the following disclaimer.
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||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
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|
* 3. Neither the name of the Institute nor the names of its contributors
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|
* may be used to endorse or promote products derived from this software
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|
* without specific prior written permission.
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|
*
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|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
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|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
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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: rudolph0.h,v 1.1 2007/03/25 11:56:59 adamdunkels Exp $
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*/
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/**
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* \file
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* A brief description of what this file is.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#ifndef __RUDOLPH0_H__
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#define __RUDOLPH0_H__
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#include "net/rime.h"
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#include "net/rime/sabc.h"
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#include "net/rime/uabc.h"
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#include "contiki-net.h"
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struct rudolph0_conn;
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enum {
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RUDOLPH0_FLAG_NONE,
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RUDOLPH0_FLAG_NEWFILE,
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RUDOLPH0_FLAG_LASTCHUNK,
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};
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struct rudolph0_callbacks {
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void (* write_chunk)(struct rudolph0_conn *c, int offset, int flag,
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char *data, int len);
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int (* read_chunk)(struct rudolph0_conn *c, int offset, char *to,
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int maxsize);
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};
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#define RUDOLPH0_DATASIZE 64
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struct rudolph0_hdr {
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u8_t type;
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u8_t version;
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u16_t chunk;
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};
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struct rudolph0_datapacket {
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struct rudolph0_hdr h;
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u8_t datalen;
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u8_t data[RUDOLPH0_DATASIZE];
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};
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struct rudolph0_conn {
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struct sabc_conn c;
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struct uabc_conn nackc;
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const struct rudolph0_callbacks *cb;
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u8_t state;
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struct rudolph0_datapacket current;
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};
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void rudolph0_open(struct rudolph0_conn *c, u16_t channel,
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const struct rudolph0_callbacks *cb);
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void rudolph0_close(struct rudolph0_conn *c);
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void rudolph0_send(struct rudolph0_conn *c);
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void rudolph0_stop(struct rudolph0_conn *c);
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void rudolph0_set_version(struct rudolph0_conn *c, int version);
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int rudolph0_version(struct rudolph0_conn *c);
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#endif /* __RUDOLPH0_H__ */
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292
core/net/rime/rudolph1.c
Normal file
292
core/net/rime/rudolph1.c
Normal file
@ -0,0 +1,292 @@
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|
/*
|
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|
* Copyright (c) 2007, Swedish Institute of Computer Science.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. Neither the name of the Institute nor the names of its contributors
|
||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||||||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* This file is part of the Contiki operating system.
|
||||||
|
*
|
||||||
|
* $Id: rudolph1.c,v 1.1 2007/03/25 11:58:09 adamdunkels Exp $
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \file
|
||||||
|
* Rudolph1: a simple block data flooding protocol
|
||||||
|
* \author
|
||||||
|
* Adam Dunkels <adam@sics.se>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "net/rime.h"
|
||||||
|
#include "net/rime/rudolph1.h"
|
||||||
|
#include "cfs/cfs.h"
|
||||||
|
|
||||||
|
#include <stddef.h> /* for offsetof */
|
||||||
|
|
||||||
|
#define DATA_INTERVAL CLOCK_SECOND * 2
|
||||||
|
#define TRICKLE_INTERVAL TRICKLE_SECOND
|
||||||
|
#define NACK_TIMEOUT CLOCK_SECOND
|
||||||
|
|
||||||
|
struct rudolph1_hdr {
|
||||||
|
u8_t type;
|
||||||
|
u8_t version;
|
||||||
|
u16_t chunk;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define RUDOLPH1_DATASIZE 32
|
||||||
|
|
||||||
|
struct rudolph1_datapacket {
|
||||||
|
struct rudolph1_hdr h;
|
||||||
|
u8_t datalen;
|
||||||
|
u8_t data[RUDOLPH1_DATASIZE];
|
||||||
|
};
|
||||||
|
|
||||||
|
enum {
|
||||||
|
TYPE_DATA,
|
||||||
|
TYPE_NACK,
|
||||||
|
};
|
||||||
|
|
||||||
|
#define DEBUG 0
|
||||||
|
#if DEBUG
|
||||||
|
#include <stdio.h>
|
||||||
|
#define PRINTF(...) printf(__VA_ARGS__)
|
||||||
|
#else
|
||||||
|
#define PRINTF(...)
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define LT(a, b) ((signed char)((a) - (b)) < 0)
|
||||||
|
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static int
|
||||||
|
read_data(struct rudolph1_conn *c, char *dataptr, int chunk)
|
||||||
|
{
|
||||||
|
int len = 0;
|
||||||
|
|
||||||
|
if(c->cb->read_chunk) {
|
||||||
|
len = c->cb->read_chunk(c, chunk * RUDOLPH1_DATASIZE,
|
||||||
|
dataptr, RUDOLPH1_DATASIZE);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* cfs_seek(c->cfs_fd, chunk * RUDOLPH1_DATASIZE);
|
||||||
|
len = cfs_read(c->cfs_fd, dataptr, RUDOLPH1_DATASIZE);*/
|
||||||
|
return len;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static int
|
||||||
|
format_data(struct rudolph1_conn *c, int chunk)
|
||||||
|
{
|
||||||
|
struct rudolph1_datapacket *p;
|
||||||
|
|
||||||
|
rimebuf_clear();
|
||||||
|
p = rimebuf_dataptr();
|
||||||
|
p->h.type = TYPE_DATA;
|
||||||
|
p->h.version = c->version;
|
||||||
|
p->h.chunk = chunk;
|
||||||
|
p->datalen = read_data(c, p->data, chunk);
|
||||||
|
rimebuf_set_datalen(sizeof(struct rudolph1_datapacket) -
|
||||||
|
(RUDOLPH1_DATASIZE - p->datalen));
|
||||||
|
|
||||||
|
return p->datalen;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
write_data(struct rudolph1_conn *c, int chunk, u8_t *data, int datalen)
|
||||||
|
{
|
||||||
|
if(chunk == 0) {
|
||||||
|
c->cb->write_chunk(c, 0, RUDOLPH1_FLAG_NEWFILE, data, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* cfs_seek(c->cfs_fd, chunk * RUDOLPH1_DATASIZE);
|
||||||
|
cfs_write(c->cfs_fd, data, datalen);*/
|
||||||
|
if(datalen < RUDOLPH1_DATASIZE) {
|
||||||
|
PRINTF("%d: get %d bytes, file complete\n",
|
||||||
|
rimeaddr_node_addr.u16, datalen);
|
||||||
|
/* c->cb->received_file(c, c->cfs_fd);*/
|
||||||
|
c->cb->write_chunk(c, chunk * RUDOLPH1_DATASIZE,
|
||||||
|
RUDOLPH1_FLAG_LASTCHUNK, data, datalen);
|
||||||
|
} else {
|
||||||
|
c->cb->write_chunk(c, chunk * RUDOLPH1_DATASIZE,
|
||||||
|
RUDOLPH1_FLAG_NONE, data, datalen);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
send_nack(struct rudolph1_conn *c)
|
||||||
|
{
|
||||||
|
struct rudolph1_hdr *hdr;
|
||||||
|
rimebuf_clear();
|
||||||
|
rimebuf_hdralloc(sizeof(struct rudolph1_hdr));
|
||||||
|
hdr = rimebuf_hdrptr();
|
||||||
|
|
||||||
|
hdr->type = TYPE_NACK;
|
||||||
|
hdr->version = c->version;
|
||||||
|
hdr->chunk = c->chunk;
|
||||||
|
|
||||||
|
PRINTF("Sending nack for %d:%d\n", hdr->version, hdr->chunk);
|
||||||
|
uabc_send(&c->uabc, CLOCK_SECOND / 4);
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
handle_data(struct rudolph1_conn *c, struct rudolph1_datapacket *p)
|
||||||
|
{
|
||||||
|
if(LT(c->version, p->h.version)) {
|
||||||
|
PRINTF("rudolph1 new version %d\n", p->h.version);
|
||||||
|
/* c->cfs_fd = c->cb->new_file(c);*/
|
||||||
|
c->version = p->h.version;
|
||||||
|
c->chunk = 1; /* Next chunk is 1. */
|
||||||
|
/* if(c->cfs_fd != -1) {*/
|
||||||
|
if(p->h.chunk != 0) {
|
||||||
|
send_nack(c);
|
||||||
|
} else {
|
||||||
|
write_data(c, 0, p->data, p->datalen);
|
||||||
|
}
|
||||||
|
/* }*/
|
||||||
|
} else if(p->h.version == c->version) {
|
||||||
|
/* if(c->cfs_fd != -1) {*/
|
||||||
|
if(p->h.chunk == c->chunk) {
|
||||||
|
PRINTF("%d: received chunk %d\n",
|
||||||
|
rimeaddr_node_addr.u16, p->h.chunk);
|
||||||
|
write_data(c, p->h.chunk, p->data, p->datalen);
|
||||||
|
c->chunk++;
|
||||||
|
/* cfs_seek(c->cfs_fd, c->chunk * RUDOLPH1_DATASIZE);
|
||||||
|
cfs_write(c->cfs_fd, p->data, p->datalen);
|
||||||
|
c->chunk++;
|
||||||
|
if(p->datalen < RUDOLPH1_DATASIZE) {
|
||||||
|
c->cb->received_file(c, c->cfs_fd);
|
||||||
|
}*/
|
||||||
|
} else if(p->h.chunk > c->chunk) {
|
||||||
|
PRINTF("%d: received chunk %d > %d, sending NACK\n",
|
||||||
|
rimeaddr_node_addr.u16,
|
||||||
|
p->h.chunk, c->chunk);
|
||||||
|
send_nack(c);
|
||||||
|
}
|
||||||
|
/* } */
|
||||||
|
} else { /* p->h.version < c->current.h.version */
|
||||||
|
/* Ignore packets with old version */
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
recv_trickle(struct trickle_conn *trickle)
|
||||||
|
{
|
||||||
|
struct rudolph1_conn *c = (struct rudolph1_conn *)trickle;
|
||||||
|
struct rudolph1_datapacket *p = rimebuf_dataptr();
|
||||||
|
|
||||||
|
/* if(rand() & 1) {
|
||||||
|
return;
|
||||||
|
}*/
|
||||||
|
|
||||||
|
if(p->h.type == TYPE_DATA) {
|
||||||
|
handle_data(c, p);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
recv_uabc(struct uabc_conn *uabc)
|
||||||
|
{
|
||||||
|
struct rudolph1_conn *c = (struct rudolph1_conn *)
|
||||||
|
((char *)uabc - offsetof(struct rudolph1_conn, uabc));
|
||||||
|
struct rudolph1_datapacket *p = rimebuf_dataptr();
|
||||||
|
|
||||||
|
/* if(rand() & 1) {
|
||||||
|
return;
|
||||||
|
}*/
|
||||||
|
|
||||||
|
c->nacks++;
|
||||||
|
|
||||||
|
if(p->h.type == TYPE_NACK) {
|
||||||
|
if(p->h.version == c->version) {
|
||||||
|
if(p->h.chunk < c->chunk) {
|
||||||
|
format_data(c, p->h.chunk);
|
||||||
|
uabc_send(&c->uabc, NACK_TIMEOUT);
|
||||||
|
}
|
||||||
|
} else if(LT(p->h.version, c->version)) {
|
||||||
|
format_data(c, 0);
|
||||||
|
uabc_send(&c->uabc, NACK_TIMEOUT);
|
||||||
|
}
|
||||||
|
} else if(p->h.type == TYPE_DATA) {
|
||||||
|
handle_data(c, p);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
send_next_packet(void *ptr)
|
||||||
|
{
|
||||||
|
struct rudolph1_conn *c = ptr;
|
||||||
|
int len;
|
||||||
|
if(c->nacks == 0) {
|
||||||
|
c->chunk++;
|
||||||
|
len = format_data(c, c->chunk);
|
||||||
|
trickle_send(&c->trickle, c->trickle_interval);
|
||||||
|
if(len == RUDOLPH1_DATASIZE) {
|
||||||
|
ctimer_set(&c->t, DATA_INTERVAL, send_next_packet, c);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
ctimer_set(&c->t, DATA_INTERVAL, send_next_packet, c);
|
||||||
|
}
|
||||||
|
c->nacks = 0;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static const struct uabc_callbacks uabc = { recv_uabc, NULL, NULL };
|
||||||
|
static const struct trickle_callbacks trickle = { recv_trickle };
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
void
|
||||||
|
rudolph1_open(struct rudolph1_conn *c, u16_t channel,
|
||||||
|
const struct rudolph1_callbacks *cb)
|
||||||
|
{
|
||||||
|
trickle_open(&c->trickle, channel, &trickle);
|
||||||
|
uabc_open(&c->uabc, channel + 1, &uabc);
|
||||||
|
c->cb = cb;
|
||||||
|
c->version = 0;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
void
|
||||||
|
rudolph1_close(struct rudolph1_conn *c)
|
||||||
|
{
|
||||||
|
trickle_close(&c->trickle);
|
||||||
|
uabc_close(&c->uabc);
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
void
|
||||||
|
rudolph1_send(struct rudolph1_conn *c)
|
||||||
|
{
|
||||||
|
/* c->cfs_fd = cfs_fd;*/
|
||||||
|
c->version++;
|
||||||
|
c->chunk = 0;
|
||||||
|
c->trickle_interval = TRICKLE_INTERVAL;
|
||||||
|
format_data(c, 0);
|
||||||
|
trickle_send(&c->trickle, c->trickle_interval);
|
||||||
|
ctimer_set(&c->t, DATA_INTERVAL, send_next_packet, c);
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
void
|
||||||
|
rudolph1_stop(struct rudolph1_conn *c)
|
||||||
|
{
|
||||||
|
/* XXX */
|
||||||
|
ctimer_stop(&c->t);
|
||||||
|
printf("rudolph1_stop: not implemented\n");
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
81
core/net/rime/rudolph1.h
Normal file
81
core/net/rime/rudolph1.h
Normal file
@ -0,0 +1,81 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 2007, Swedish Institute of Computer Science.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. Neither the name of the Institute nor the names of its contributors
|
||||||
|
* may be used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||||||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* This file is part of the Contiki operating system.
|
||||||
|
*
|
||||||
|
* $Id: rudolph1.h,v 1.1 2007/03/25 11:58:09 adamdunkels Exp $
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \file
|
||||||
|
* A brief description of what this file is.
|
||||||
|
* \author
|
||||||
|
* Adam Dunkels <adam@sics.se>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __RUDOLPH1_H__
|
||||||
|
#define __RUDOLPH1_H__
|
||||||
|
|
||||||
|
#include "net/rime.h"
|
||||||
|
#include "net/rime/trickle.h"
|
||||||
|
#include "net/rime/uabc.h"
|
||||||
|
#include "contiki-net.h"
|
||||||
|
|
||||||
|
struct rudolph1_conn;
|
||||||
|
|
||||||
|
enum {
|
||||||
|
RUDOLPH1_FLAG_NONE,
|
||||||
|
RUDOLPH1_FLAG_NEWFILE,
|
||||||
|
RUDOLPH1_FLAG_LASTCHUNK,
|
||||||
|
};
|
||||||
|
|
||||||
|
struct rudolph1_callbacks {
|
||||||
|
void (* write_chunk)(struct rudolph1_conn *c, int offset, int flag,
|
||||||
|
char *data, int len);
|
||||||
|
int (* read_chunk)(struct rudolph1_conn *c, int offset, char *to,
|
||||||
|
int maxsize);
|
||||||
|
};
|
||||||
|
|
||||||
|
struct rudolph1_conn {
|
||||||
|
struct trickle_conn trickle;
|
||||||
|
struct uabc_conn uabc;
|
||||||
|
const struct rudolph1_callbacks *cb;
|
||||||
|
struct ctimer t;
|
||||||
|
u16_t chunk;
|
||||||
|
u8_t version;
|
||||||
|
u8_t trickle_interval;
|
||||||
|
u8_t nacks;
|
||||||
|
};
|
||||||
|
|
||||||
|
void rudolph1_open(struct rudolph1_conn *c, u16_t channel,
|
||||||
|
const struct rudolph1_callbacks *cb);
|
||||||
|
void rudolph1_close(struct rudolph1_conn *c);
|
||||||
|
void rudolph1_send(struct rudolph1_conn *c);
|
||||||
|
void rudolph1_stop(struct rudolph1_conn *c);
|
||||||
|
|
||||||
|
#endif /* __RUDOLPH1_H__ */
|
||||||
Loading…
Reference in New Issue
Block a user