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