osd-contiki/apps/shell/shell-sendtest.c

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/*
* Copyright (c) 2008, 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
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* A small pogram to measure the communication performance between two nodes
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "shell-ps.h"
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#include "net/rime/rime.h"
#include <stdio.h>
#include <string.h>
#if CONTIKI_TARGET_NETSIM
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#include "ether.h"
#endif /* CONTIKI_TARGET_NETSIM */
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#ifndef HAVE_SNPRINTF
int snprintf(char *str, size_t size, const char *format, ...);
#endif /* HAVE_SNPRINTF */
/*---------------------------------------------------------------------------*/
PROCESS(shell_sendtest_process, "sendtest");
SHELL_COMMAND(sendtest_command,
"sendtest",
"sendtest: measure single-hop throughput",
&shell_sendtest_process);
/*---------------------------------------------------------------------------*/
static clock_time_t start_time_rucb, end_time_rucb;
static unsigned long filesize, bytecount, packetsize;
static int download_complete;
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);
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sprintf(buf, "%lu%%", (100 * (offset + datalen)) / filesize);
ether_set_text(buf);
}
#endif /* CONTIKI_TARGET_NETSIM */
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/* printf("+");*/
}
static int
read_chunk(struct rucb_conn *c, int offset, char *to, int maxsize)
{
int size;
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/* printf("-");*/
size = maxsize;
if(bytecount + maxsize >= filesize) {
size = filesize - bytecount;
}
if(size > packetsize) {
size = packetsize;
}
bytecount += size;
if(bytecount == filesize) {
end_time_rucb = clock_time();
download_complete = 1;
process_post(&shell_sendtest_process, PROCESS_EVENT_CONTINUE, NULL);
/* profile_aggregates_print(); */
/* profile_print_stats(); */
// print_stats();
}
/* printf("bytecount %lu\n", bytecount);*/
return size;
}
const static struct rucb_callbacks rucb_callbacks = {write_chunk,
read_chunk,
NULL};
static struct rucb_conn rucb;
/*---------------------------------------------------------------------------*/
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static void
print_usage(void)
{
shell_output_str(&sendtest_command,
"sendtest <receiver> <size> [packetsize]: recevier must be specified", "");
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_sendtest_process, ev, data)
{
static linkaddr_t receiver;
static unsigned long cpu, lpm, rx, tx;
const char *nextptr;
const char *args;
char buf[40];
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unsigned long cpu2, lpm2, rx2, tx2;
PROCESS_BEGIN();
args = data;
receiver.u8[0] = shell_strtolong(args, &nextptr);
if(nextptr == data || *nextptr != '.') {
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print_usage();
PROCESS_EXIT();
}
args = nextptr + 1;
receiver.u8[1] = shell_strtolong(args, &nextptr);
args = nextptr;
while(*args == ' ') {
++args;
}
filesize = shell_strtolong(args, &nextptr);
if(nextptr == data || filesize == 0) {
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print_usage();
PROCESS_EXIT();
}
args = nextptr;
while(*args == ' ') {
++args;
}
packetsize = 64;
packetsize = shell_strtolong(args, &nextptr);
if(packetsize == 0) {
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print_usage();
PROCESS_EXIT();
}
snprintf(buf, sizeof(buf), "%d.%d, %lu bytes, packetsize %lu",
receiver.u8[0], receiver.u8[1], filesize, packetsize);
shell_output_str(&sendtest_command, "Sending data to ", buf);
bytecount = 0;
download_complete = 0;
start_time_rucb = clock_time();
rucb_send(&rucb, &receiver);
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energest_flush();
lpm = energest_type_time(ENERGEST_TYPE_LPM);
cpu = energest_type_time(ENERGEST_TYPE_CPU);
rx = energest_type_time(ENERGEST_TYPE_LISTEN);
tx = energest_type_time(ENERGEST_TYPE_TRANSMIT);
PROCESS_WAIT_UNTIL(download_complete);
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energest_flush();
lpm2 = energest_type_time(ENERGEST_TYPE_LPM);
cpu2 = energest_type_time(ENERGEST_TYPE_CPU);
rx2 = energest_type_time(ENERGEST_TYPE_LISTEN);
tx2 = energest_type_time(ENERGEST_TYPE_TRANSMIT);
sprintf(buf, "%d seconds, %lu bytes/second",
(int)((end_time_rucb - start_time_rucb) / CLOCK_SECOND),
CLOCK_SECOND * filesize / (end_time_rucb - start_time_rucb));
shell_output_str(&sendtest_command, "Completed in ", buf);
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sprintf(buf, "%lu/%d rx %lu/%d tx (seconds)",
(rx2 - rx), RTIMER_ARCH_SECOND,
(tx2 - tx), RTIMER_ARCH_SECOND);
shell_output_str(&sendtest_command, "Radio total on time ", buf);
sprintf(buf, "%lu/%lu = %lu%%",
(rx2 - rx),
(cpu2 + lpm2 - cpu - lpm),
100 * (rx2 - rx)/(cpu2 + lpm2 - cpu - lpm));
shell_output_str(&sendtest_command, "Radio rx duty cycle ", buf);
sprintf(buf, "%lu/%lu = %lu%%",
(tx2 - tx),
(cpu2 + lpm2 - cpu - lpm),
100 * (tx2 - tx)/(cpu2 + lpm2 - cpu - lpm));
shell_output_str(&sendtest_command, "Radio tx duty cycle ", buf);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
shell_sendtest_init(void)
{
rucb_open(&rucb, SHELL_RIME_CHANNEL_SENDTEST, &rucb_callbacks);
shell_register_command(&sendtest_command);
}
/*---------------------------------------------------------------------------*/