osd-contiki/apps/collect-view/collect-view.c

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/*
* Copyright (c) 2010, 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
* Collect view client code
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "net/rime/collect-neighbor.h"
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#include "net/rime/rime.h"
#include "net/rime/timesynch.h"
#include "collect-view.h"
#include <string.h>
/*---------------------------------------------------------------------------*/
void
collect_view_construct_message(struct collect_view_data_msg *msg,
const linkaddr_t *parent,
uint16_t parent_etx,
uint16_t current_rtmetric,
uint16_t num_neighbors,
uint16_t beacon_interval)
{
static unsigned long last_cpu, last_lpm, last_transmit, last_listen;
unsigned long cpu, lpm, transmit, listen;
msg->len = sizeof(struct collect_view_data_msg) / sizeof(uint16_t);
msg->clock = clock_time();
#if TIMESYNCH_CONF_ENABLED
msg->timesynch_time = timesynch_time();
#else /* TIMESYNCH_CONF_ENABLED */
msg->timesynch_time = 0;
#endif /* TIMESYNCH_CONF_ENABLED */
energest_flush();
cpu = energest_type_time(ENERGEST_TYPE_CPU) - last_cpu;
lpm = energest_type_time(ENERGEST_TYPE_LPM) - last_lpm;
transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit;
listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen;
/* Make sure that the values are within 16 bits. If they are larger,
we scale them down to fit into 16 bits. */
while(cpu >= 65536ul || lpm >= 65536ul ||
transmit >= 65536ul || listen >= 65536ul) {
cpu /= 2;
lpm /= 2;
transmit /= 2;
listen /= 2;
}
msg->cpu = cpu;
msg->lpm = lpm;
msg->transmit = transmit;
msg->listen = listen;
last_cpu = energest_type_time(ENERGEST_TYPE_CPU);
last_lpm = energest_type_time(ENERGEST_TYPE_LPM);
last_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
last_listen = energest_type_time(ENERGEST_TYPE_LISTEN);
memcpy(&msg->parent, &parent->u8[LINKADDR_SIZE - 2], 2);
msg->parent_etx = parent_etx;
msg->current_rtmetric = current_rtmetric;
msg->num_neighbors = num_neighbors;
msg->beacon_interval = beacon_interval;
memset(msg->sensors, 0, sizeof(msg->sensors));
collect_view_arch_read_sensors(msg);
}
/*---------------------------------------------------------------------------*/