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/* $FreeBSD$ */
/* $OpenBSD: sensors.c,v 1.12 2007/07/29 04:51:59 cnst Exp $ */
/*-
* Copyright (c) 2007 Deanna Phillips <deanna@openbsd.org>
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
* Copyright (c) 2006 Constantine A. Murenin <cnst+openbsd@bugmail.mojo.ru>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/sensors.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "systat.h"
#include "extern.h"
struct sensor sensor;
struct sensordev sensordev;
int row, sensor_cnt;
void printline(void);
static char * fmttime(double);
WINDOW *
opensensors(void)
{
return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
}
void
closesensors(WINDOW *w)
{
if (w == NULL)
return;
wclear(w);
wrefresh(w);
delwin(w);
}
void
labelsensors(void)
{
wmove(wnd, 0, 0);
wclrtobot(wnd);
mvwaddstr(wnd, 0, 0, "Sensor");
mvwaddstr(wnd, 0, 34, "Value");
mvwaddstr(wnd, 0, 45, "Status");
mvwaddstr(wnd, 0, 58, "Description");
}
void
fetchsensors(void)
{
enum sensor_type type;
size_t slen, sdlen;
int mib[5], dev, numt;
mib[0] = CTL_HW;
mib[1] = HW_SENSORS;
slen = sizeof(struct sensor);
sdlen = sizeof(struct sensordev);
row = 1;
sensor_cnt = 0;
wmove(wnd, row, 0);
wclrtobot(wnd);
for (dev = 0; dev < MAXSENSORDEVICES; dev++) {
mib[2] = dev;
if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) {
if (errno != ENOENT)
warn("sysctl");
continue;
}
for (type = 0; type < SENSOR_MAX_TYPES; type++) {
mib[3] = type;
for (numt = 0; numt < sensordev.maxnumt[type]; numt++) {
mib[4] = numt;
if (sysctl(mib, 5, &sensor, &slen, NULL, 0)
== -1) {
if (errno != ENOENT)
warn("sysctl");
continue;
}
if (sensor.flags & SENSOR_FINVALID)
continue;
sensor_cnt++;
printline();
}
}
}
}
const char *drvstat[] = {
NULL,
"empty", "ready", "powerup", "online", "idle", "active",
"rebuild", "powerdown", "fail", "pfail"
};
void
showsensors(void)
{
if (sensor_cnt == 0)
mvwaddstr(wnd, row, 0, "No sensors found.");
}
int
initsensors(void)
{
return (1);
}
void
printline(void)
{
mvwprintw(wnd, row, 0, "%s.%s%d", sensordev.xname,
sensor_type_s[sensor.type], sensor.numt);
switch (sensor.type) {
case SENSOR_TEMP:
mvwprintw(wnd, row, 24, "%10.2f degC",
(sensor.value - 273150000) / 1000000.0);
break;
case SENSOR_FANRPM:
mvwprintw(wnd, row, 24, "%11lld RPM", sensor.value);
break;
case SENSOR_VOLTS_DC:
mvwprintw(wnd, row, 24, "%10.2f V DC",
sensor.value / 1000000.0);
break;
case SENSOR_AMPS:
mvwprintw(wnd, row, 24, "%10.2f A", sensor.value / 1000000.0);
break;
case SENSOR_INDICATOR:
mvwprintw(wnd, row, 24, "%15s", sensor.value? "On" : "Off");
break;
case SENSOR_INTEGER:
mvwprintw(wnd, row, 24, "%11lld raw", sensor.value);
break;
case SENSOR_PERCENT:
mvwprintw(wnd, row, 24, "%14.2f%%", sensor.value / 1000.0);
break;
case SENSOR_LUX:
mvwprintw(wnd, row, 24, "%15.2f lx", sensor.value / 1000000.0);
break;
case SENSOR_DRIVE:
if (0 < sensor.value &&
sensor.value < sizeof(drvstat)/sizeof(drvstat[0])) {
mvwprintw(wnd, row, 24, "%15s", drvstat[sensor.value]);
break;
}
break;
case SENSOR_TIMEDELTA:
mvwprintw(wnd, row, 24, "%15s", fmttime(sensor.value / 1000000000.0));
break;
case SENSOR_WATTHOUR:
mvwprintw(wnd, row, 24, "%12.2f Wh", sensor.value / 1000000.0);
break;
case SENSOR_AMPHOUR:
mvwprintw(wnd, row, 24, "%10.2f Ah", sensor.value / 1000000.0);
break;
default:
mvwprintw(wnd, row, 24, "%10lld", sensor.value);
break;
}
if (sensor.desc[0] != '\0')
mvwprintw(wnd, row, 58, "(%s)", sensor.desc);
switch (sensor.status) {
case SENSOR_S_UNSPEC:
break;
case SENSOR_S_UNKNOWN:
mvwaddstr(wnd, row, 45, "unknown");
break;
case SENSOR_S_WARN:
mvwaddstr(wnd, row, 45, "WARNING");
break;
case SENSOR_S_CRIT:
mvwaddstr(wnd, row, 45, "CRITICAL");
break;
case SENSOR_S_OK:
mvwaddstr(wnd, row, 45, "OK");
break;
}
row++;
}
#define SECS_PER_DAY 86400
#define SECS_PER_HOUR 3600
#define SECS_PER_MIN 60
static char *
fmttime(double in)
{
int signbit = 1;
int tiny = 0;
char *unit;
#define LEN 32
static char outbuf[LEN];
if (in < 0){
signbit = -1;
in *= -1;
}
if (in >= SECS_PER_DAY ){
unit = "days";
in /= SECS_PER_DAY;
} else if (in >= SECS_PER_HOUR ){
unit = "hr";
in /= SECS_PER_HOUR;
} else if (in >= SECS_PER_MIN ){
unit = "min";
in /= SECS_PER_MIN;
} else if (in >= 1 ){
unit = "s";
/* in *= 1; */ /* no op */
} else if (in == 0 ){ /* direct comparisons to floats are scary */
unit = "s";
} else if (in >= 1e-3 ){
unit = "ms";
in *= 1e3;
} else if (in >= 1e-6 ){
unit = "us";
in *= 1e6;
} else if (in >= 1e-9 ){
unit = "ns";
in *= 1e9;
} else {
unit = "ps";
if (in < 1e-13)
tiny = 1;
in *= 1e12;
}
snprintf(outbuf, LEN,
tiny ? "%s%lf %s" : "%s%.3lf %s",
signbit == -1 ? "-" : "", in, unit);
return outbuf;
}
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