dockapps/wmacpi/wmacpi-cli.c

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/*
* acpi-ng: command line acpi battery status tool.
*
* Written by Simon Fowler <simon@dreamcraft.com.au>, 2003-06-20.
* Copyright 2003-06-20 Dreamcraft Pty Ltd.
*
* This file is distributed under the GNU General Public License,
* version 2. Please see the COPYING file for details.
*/
/*
* 2003-06-20.
* I'm getting sick of not having a convenient way to query battery
* status on the command line, so I'm hacking up this - a quick little
* command line tool to display current battery status, using the same
* libacpi code as wmacpi-ng.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include "libacpi.h"
#define ACPI_VER "2.2"
global_t *globals;
void usage(char *name)
{
printf("%s: query battery status on ACPI enabled systems.\n"
"Usage:\n"
"%s [-h] [-a samples]\n"
" h - display this help information\n"
" a - average remaining time over some number of samples\n"
" much more accurate than using a single sample\n"
" V - increase verbosity\n"
" v - print version information\n",
name, name);
}
void print_version(void)
{
printf("wmacpi-cli version %s\n", ACPI_VER);
printf(" Using libacpi version %s\n", LIBACPI_VER);
}
int main(int argc, char *argv[])
{
int i, j, ch;
int sleep_time = 0;
int samples = 1;
battery_t *binfo;
adapter_t *ap;
while((ch = getopt(argc, argv, "hvVa:")) != EOF) {
switch(ch) {
case 'h':
usage(argv[0]);
return 0;
case 'V':
verbosity++;
break;
case 'v':
print_version();
return 0;
case 'a':
if(optarg != NULL) {
samples = atoi(optarg);
if(samples > 1000 || samples <= 0) {
fprintf(stderr, "Please specify a reasonable number of samples\n");
exit(1);
}
}
pinfo("samples: %d\n", samples);
sleep_time = 1000000/samples;
break;
default:
usage(argv[0]);
return 1;
}
}
globals = (global_t *) malloc(sizeof(global_t));
power_init(globals);
/* we want to acquire samples over some period of time, so . . . */
for(i = 0; i < samples + 2; i++) {
for(j = 0; j < globals->battery_count; j++)
acquire_batt_info(globals, j);
acquire_global_info(globals);
usleep(sleep_time);
}
ap = &globals->adapter;
if(ap->power == AC) {
printf("On AC Power");
for(i = 0; i < globals->battery_count; i++) {
binfo = &batteries[i];
if(binfo->present && (binfo->charge_state == CHARGE)) {
printf("; Battery %s charging", binfo->name);
printf(", currently at %2d%%", binfo->percentage);
if(binfo->charge_time >= 0)
printf(", %2d:%02d remaining",
binfo->charge_time/60,
binfo->charge_time%60);
}
}
printf("\n");
} else if(ap->power == BATT) {
printf("On Battery");
for(i = 0; i < globals->battery_count; i++) {
binfo = &batteries[i];
if(binfo->present && (binfo->percentage >= 0))
printf(", Battery %s at %d%%", binfo->name,
binfo->percentage);
}
if(globals->rtime >= 0)
printf("; %d:%02d remaining", globals->rtime/60,
globals->rtime%60);
printf("\n");
}
return 0;
}