osd-contiki/examples/rime/example-rucb.c

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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.
*
*/
/**
* \file
* Testing the rucb code in Rime
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "net/rime/rucb.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"
#include "cfs/cfs.h"
#include "lib/print-stats.h"
#include <stdio.h>
#if CONTIKI_TARGET_NETSIM
#include "ether.h"
#include "node.h"
#endif /* CONTIKI_TARGET_NETSIM */
#define FILESIZE 40000
static unsigned long bytecount;
static clock_time_t start_time;
/*---------------------------------------------------------------------------*/
PROCESS(example_rucb_process, "Rucb example");
AUTOSTART_PROCESSES(&example_rucb_process);
/*---------------------------------------------------------------------------*/
static void
write_chunk(struct rucb_conn *c, int offset, int flag,
char *data, int datalen)
{
#if CONTIKI_TARGET_NETSIM
{
char buf[100];
printf("received %d; %d\n", offset, datalen);
sprintf(buf, "%d%%", (100 * (offset + datalen)) / FILESIZE);
ether_set_text(buf);
}
#endif /* CONTIKI_TARGET_NETSIM */
}
static int
read_chunk(struct rucb_conn *c, int offset, char *to, int maxsize)
{
int size;
size = maxsize;
if(bytecount + maxsize >= FILESIZE) {
size = FILESIZE - bytecount;
}
bytecount += size;
if(bytecount == FILESIZE) {
printf("Completion time %lu / %u\n", (unsigned long)clock_time() - start_time, CLOCK_SECOND);
print_stats();
}
/* printf("bytecount %lu\n", bytecount);*/
return size;
}
const static struct rucb_callbacks rucb_call = {write_chunk, read_chunk,
NULL};
static struct rucb_conn rucb;
/*---------------------------------------------------------------------------*/
#include "sys/node-id.h"
PROCESS_THREAD(example_rucb_process, ev, data)
{
PROCESS_EXITHANDLER(rucb_close(&rucb);)
PROCESS_BEGIN();
PROCESS_PAUSE();
rucb_open(&rucb, 137, &rucb_call);
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SENSORS_ACTIVATE(button_sensor);
PROCESS_PAUSE();
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if(rimeaddr_node_addr.u8[0] == 51 &&
rimeaddr_node_addr.u8[1] == 0) {
rimeaddr_t recv;
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recv.u8[0] = 52;
recv.u8[1] = 0;
start_time = clock_time();
/*printf("%u.%u: sending rucb to address %u.%u at time %u\n",
rimeaddr_node_addr.u8[0],
rimeaddr_node_addr.u8[1],
recv.u8[0],
recv.u8[1],
start_time);*/
rucb_send(&rucb, &recv);
#if CONTIKI_TARGET_NETSIM
ether_send_done();
#endif /* CONTIKI_TARGET_NETSIM */
}
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event &&
data == &button_sensor);
/*rucb_stop(&rucb);*/
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/