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/*
* Copyright (C) 2002,2003,2004 Mattia Dongili<dongili@supereva.it>
* George Staikos <staikos@0wned.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 "libsys.h"
int libsys_init(void) {
struct stat sb;
int rc;
rc = stat(APM_PROC_FILE, &sb);
if (rc < 0) {
cp_log(LOG_ERR, "libsys_init(): %s: %s\n", APM_PROC_FILE, strerror(errno));
return -1;
}
return 0;
}
void libsys_fini (void) {}
/* int scan_system_info(sys_info *s)
*
* Reads APM info and fills the input sys_info struct.
* Implements the prototype needed by cpufreqd to get
* info from the PM layer.
*
* Returns 0 on success, -1 otherwise
*
*/
int scan_system_info(sys_info *s) {
FILE *fp;
char buf[101];
/***** APM SCAN *****/
char ignore3[101];
int ignore;
unsigned int ignore2;
unsigned int batt_flag;
fp = fopen(APM_PROC_FILE , "r");
if (!fp) {
cp_log(LOG_ERR, "scan_system_info(): %s: %s\n", APM_PROC_FILE, strerror(errno));
return -1;
}
if (!fgets(buf, 100, fp)) {
fclose(fp);
cp_log(LOG_ERR, "scan_system_info(): %s: %s\n", APM_PROC_FILE, strerror(errno));
return -1;
}
sscanf(buf, "%s %d.%d %x %x %x %x %d%% %d %s\n",
s->version, &ignore, &ignore, &s->flags, &s->ac, &ignore2,
&batt_flag, &s->battery_percent, &s->battery_time, ignore3);
if (!strncmp(ignore3, "sec", 3)) {
s->battery_time /= 60;
}
if (s->battery_percent > 100) {
s->battery_percent = -1;
}
s->has_battery = batt_flag < 128;
fclose(fp);
cp_log(LOG_INFO, "scan_system_info(): battery %s - %d - %s cpu %d\n",
s->has_battery?"present":"absent",
s->battery_percent,
s->ac?"on-line":"off-line",
s->cpu_percent );
return 0;
}
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