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/* provides a simple client program that reads ACPI status from the /proc
* filesystem
*
* Copyright (C) 2001 Grahame Bowland <grahame@angrygoats.net>
* Copyright (C) 2008-2012 Michael Meskes <meskes@debian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include "acpi.h"
struct device device[4] = {
{ BATTERY, "battery", "power_supply", "BAT" },
{ AC_ADAPTER, "ac_adapter", "power_supply", "AC" },
{ THERMAL_ZONE, "thermal_zone", "thermal", "thermal_zone" },
{ COOLING_DEV, "fan", "thermal", "cooling_device" }
};
static void do_show_batteries(char *acpi_path, int show_empty_slots, int show_details, int proc_interface)
{
struct list *batteries;
batteries = find_devices(acpi_path, BATTERY, proc_interface);
print_battery_information(batteries, show_empty_slots, show_details);
free_devices(batteries);
}
static void do_show_ac_adapter(char *acpi_path, int show_empty_slots, int proc_interface)
{
struct list *ac_adapter;
ac_adapter = find_devices(acpi_path, AC_ADAPTER, proc_interface);
print_ac_adapter_information(ac_adapter, show_empty_slots);
free_devices(ac_adapter);
}
static void do_show_thermal(char *acpi_path, int show_empty_slots, int temperature_units, int show_details, int proc_interface) {
struct list *thermal;
thermal = find_devices(acpi_path, THERMAL_ZONE, proc_interface);
print_thermal_information(thermal, show_empty_slots, temperature_units, show_details);
free_devices(thermal);
}
static void do_show_cooling(char *acpi_path, int show_empty_slots, int proc_interface) {
struct list *cooling;
cooling = find_devices(acpi_path, COOLING_DEV, proc_interface);
print_cooling_information(cooling, show_empty_slots);
free_devices(cooling);
}
static int version(void)
{
printf(ACPI_VERSION_STRING "\n"
"\n"
"Copyright (C) 2001 Grahame Bowland.\n"
" 2008-2012 Michael Meskes.\n"
"This is free software; see the source for copying conditions. There is NO\n"
"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
);
return 1;
}
static int usage(char *argv[])
{
printf(
"Usage: acpi [OPTION]...\n"
"Shows information from the /proc filesystem, such as battery status or\n"
"thermal information.\n"
"\n"
" -b, --battery battery information\n"
" -i, --details show additional details if available:\n"
" - battery capacity information\n"
" - temperature trip points\n"
" -a, --ac-adapter ac adapter information\n"
" -t, --thermal thermal information\n"
" -c, --cooling cooling information\n"
" -V, --everything show every device, overrides above options\n"
" -s, --show-empty show non-operational devices\n"
" -f, --fahrenheit use fahrenheit as the temperature unit\n"
" -k, --kelvin use kelvin as the temperature unit\n"
" -d, --directory <dir> path to ACPI info (/sys/class resp. /proc/acpi)\n"
" -p, --proc use old proc interface instead of new sys interface\n"
" -h, --help display this help and exit\n"
" -v, --version output version information and exit\n"
"\n"
"By default, acpi displays information on installed system batteries.\n"
"Non-operational devices, for example empty battery slots are hidden.\n"
"The default unit of temperature is degrees celsius.\n"
"\n"
"Report bugs to Michael Meskes <meskes@debian.org>.\n"
);
return 1;
}
static struct option long_options[] = {
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "verbose", 0, 0, 'V' },
{ "battery", 0, 0, 'b' },
{ "ac-adapter", 0, 0, 'a' },
{ "thermal", 0, 0, 't' },
{ "cooling", 0, 0, 'c' },
{ "show-empty", 0, 0, 's' },
{ "fahrenheit", 0, 0, 'f' },
{ "kelvin", 0, 0, 'k' },
{ "directory", 1, 0, 'd' },
{ "everything", 0, 0, 'V' },
{ "proc", 0, 0, 'p' },
{ "details", 0, 0, 'i' },
{ 0, 0, 0, 0 },
};
int main(int argc, char *argv[])
{
int show_batteries = FALSE;
int show_ac_adapter = FALSE;
int show_thermal = FALSE;
int show_cooling = FALSE;
int show_empty_slots = FALSE;
int show_details = FALSE;
int proc_interface = FALSE;
int temperature_units = TEMP_CELSIUS;
int ch, option_index;
char *acpi_path = strdup(ACPI_PATH_SYS);
if (!acpi_path) {
fprintf(stderr, "Out of memory in main()\n");
return -1;
}
while ((ch = getopt_long(argc, argv, "ipVbtashvfkcd:", long_options, &option_index)) != -1) {
switch (ch) {
case 'V':
show_batteries = show_ac_adapter = show_thermal = show_cooling = show_details = TRUE;
break;
case 'b':
show_batteries = TRUE;
break;
case 'a':
show_ac_adapter = TRUE;
break;
case 't':
show_thermal = TRUE;
break;
case 'c':
show_cooling = TRUE;
break;
case 's':
show_empty_slots = TRUE;
break;
case 'i':
show_details = TRUE;
break;
case 'v':
return version();
break;
case 'f':
temperature_units = TEMP_FAHRENHEIT;
break;
case 'k':
temperature_units = TEMP_KELVIN;
break;
case 'p':
proc_interface = TRUE;
free(acpi_path);
acpi_path = strdup(ACPI_PATH_PROC);
if (!acpi_path) {
fprintf(stderr, "Out of memory in main()\n");
return -1;
}
break;
case 'd':
free(acpi_path);
acpi_path = strdup(optarg);
if (!acpi_path) {
fprintf(stderr, "Out of memory in main()\n");
return -1;
}
break;
case 'h':
default:
return usage(argv);
}
}
/* if nothing was chosen, we show the battery information */
if (!show_batteries && !show_ac_adapter && !show_thermal && !show_cooling)
show_batteries = TRUE;
if (show_batteries) {
do_show_batteries(acpi_path, show_empty_slots, show_details, proc_interface);
}
if (show_ac_adapter) {
do_show_ac_adapter(acpi_path, show_empty_slots, proc_interface);
}
if (show_thermal) {
do_show_thermal(acpi_path, show_empty_slots, temperature_units, show_details, proc_interface);
}
if (show_cooling) {
do_show_cooling(acpi_path, show_empty_slots, proc_interface);
}
return 0;
}
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