conky/src/ibm.cc

302 lines
8.4 KiB
C++

/*
*
* Conky, a system monitor, based on torsmo
*
* Any original torsmo code is licensed under the BSD license
*
* All code written since the fork of torsmo is licensed under the GPL
*
* Please see COPYING for details
*
* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
* Copyright (c) 2007 Toni Spets
* Copyright (c) 2005-2021 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "ibm.h"
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "conky.h"
#include "logging.h"
#include "temphelper.h"
static int ibm_acpi_temps[8];
/* Here come the IBM ACPI-specific things. For reference, see
* http://ibm-acpi.sourceforge.net/README
* If IBM ACPI is installed, /proc/acpi/ibm contains the following files:
bay
beep
bluetooth
brightness
cmos
dock
driver
ecdump
fan
hotkey
led
light
thermal
video
volume
* The content of these files is described in detail in the aforementioned
* README - some of them also in the following functions accessing them.
* Peter Tarjan (ptarjan@citromail.hu) */
#define IBM_ACPI_DIR "/proc/acpi/ibm"
/* get fan speed on IBM/Lenovo laptops running the ibm acpi.
* /proc/acpi/ibm/fan looks like this (3 lines):
status: disabled
speed: 2944
commands: enable, disable
* Peter Tarjan (ptarjan@citromail.hu) */
void get_ibm_acpi_fan(struct text_object *obj, char *p,
unsigned int p_max_size) {
FILE *fp;
unsigned int speed = 0;
char fan[128];
(void)obj;
if (!p || p_max_size <= 0) { return; }
snprintf(fan, 127, "%s/fan", IBM_ACPI_DIR);
fp = fopen(fan, "r");
if (fp != nullptr) {
while (!feof(fp)) {
char line[256];
if (fgets(line, 255, fp) == nullptr) { break; }
if (sscanf(line, "speed: %u", &speed)) { break; }
}
} else {
CRIT_ERR(nullptr, NULL,
"can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
"ibm* from your " PACKAGE_NAME " config file.",
fan, strerror(errno));
}
fclose(fp);
snprintf(p, p_max_size, "%d", speed);
}
/* get the measured temperatures from the temperature sensors
* on IBM/Lenovo laptops running the ibm acpi.
* There are 8 values in /proc/acpi/ibm/thermal, and according to
* http://ibm-acpi.sourceforge.net/README
* these mean the following (at least on an IBM R51...)
* 0: CPU (also on the T series laptops)
* 1: Mini PCI Module (?)
* 2: HDD (?)
* 3: GPU (also on the T series laptops)
* 4: Battery (?)
* 5: N/A
* 6: Battery (?)
* 7: N/A
* I'm not too sure about those with the question mark, but the values I'm
* reading from *my* thermal file (on a T42p) look realistic for the
* hdd and the battery.
* #5 and #7 are always -128.
* /proc/acpi/ibm/thermal looks like this (1 line):
temperatures: 41 43 31 46 33 -128 29 -128
* Peter Tarjan (ptarjan@citromail.hu) */
int get_ibm_acpi_temps(void) {
FILE *fp;
char thermal[128];
snprintf(thermal, 127, "%s/thermal", IBM_ACPI_DIR);
fp = fopen(thermal, "r");
if (fp != nullptr) {
while (!feof(fp)) {
char line[256];
if (fgets(line, 255, fp) == nullptr) { break; }
if (sscanf(line, "temperatures: %d %d %d %d %d %d %d %d",
&ibm_acpi_temps[0], &ibm_acpi_temps[1], &ibm_acpi_temps[2],
&ibm_acpi_temps[3], &ibm_acpi_temps[4], &ibm_acpi_temps[5],
&ibm_acpi_temps[6], &ibm_acpi_temps[7])) {
break;
}
}
} else {
CRIT_ERR(nullptr, NULL,
"can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
"ibm* from your " PACKAGE_NAME " config file.",
thermal, strerror(errno));
}
fclose(fp);
return 0;
}
/* get volume (0-14) on IBM/Lenovo laptops running the ibm acpi.
* "Volume" here is none of the mixer volumes, but a "master of masters"
* volume adjusted by the IBM volume keys.
* /proc/acpi/ibm/fan looks like this (4 lines):
level: 4
mute: off
commands: up, down, mute
commands: level <level> (<level> is 0-15)
* Peter Tarjan (ptarjan@citromail.hu) */
void get_ibm_acpi_volume(struct text_object *obj, char *p,
unsigned int p_max_size) {
FILE *fp;
char volume[128];
unsigned int vol = -1;
char mute[3] = "";
(void)obj;
if (!p || p_max_size <= 0) { return; }
snprintf(volume, 127, "%s/volume", IBM_ACPI_DIR);
fp = fopen(volume, "r");
if (fp != nullptr) {
while (!feof(fp)) {
char line[256];
unsigned int read_vol = -1;
if (fgets(line, 255, fp) == nullptr) { break; }
if (sscanf(line, "level: %u", &read_vol)) {
vol = read_vol;
continue;
}
if (sscanf(line, "mute: %s", mute)) { break; }
}
} else {
CRIT_ERR(nullptr, NULL,
"can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
"ibm* from your " PACKAGE_NAME " config file.",
volume, strerror(errno));
}
fclose(fp);
if (strcmp(mute, "on") == 0)
snprintf(p, p_max_size, "%s", "mute");
else
snprintf(p, p_max_size, "%d", vol);
}
/* static FILE *fp = nullptr; */
/* get LCD brightness on IBM/Lenovo laptops running the ibm acpi.
* /proc/acpi/ibm/brightness looks like this (3 lines):
level: 7
commands: up, down
commands: level <level> (<level> is 0-7)
* Peter Tarjan (ptarjan@citromail.hu) */
void get_ibm_acpi_brightness(struct text_object *obj, char *p,
unsigned int p_max_size) {
FILE *fp;
unsigned int brightness = 0;
char filename[128];
(void)obj;
if (!p || p_max_size <= 0) { return; }
snprintf(filename, 127, "%s/brightness", IBM_ACPI_DIR);
fp = fopen(filename, "r");
if (fp != nullptr) {
while (!feof(fp)) {
char line[256];
if (fgets(line, 255, fp) == nullptr) { break; }
if (sscanf(line, "level: %u", &brightness)) { break; }
}
} else {
CRIT_ERR(nullptr, NULL,
"can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
"ibm* from your " PACKAGE_NAME " config file.",
filename, strerror(errno));
}
fclose(fp);
snprintf(p, p_max_size, "%d", brightness);
}
/* get ThinkLight status on IBM/Lenovo laptops running the ibm acpi.
* /proc/acpi/ibm/light looks like this (2 lines):
status: off
commands: on, off
* http://ibm-acpi.sourceforge.net/README reports that it's also possible to
* get "unknown" for a few models that do not make the status available.
* Lluis Esquerda (eskerda@gmail.com) */
void get_ibm_acpi_thinklight(struct text_object *obj, char *p,
unsigned int p_max_size) {
FILE *fp;
char thinklight[8];
char filename[128];
(void)obj;
if (!p || p_max_size <= 0) { return; }
snprintf(filename, 127, "%s/light", IBM_ACPI_DIR);
fp = fopen(filename, "r");
if (fp != nullptr) {
while (!feof(fp)) {
char line[256];
if (fgets(line, 255, fp) == nullptr) { break; }
if (sscanf(line, "status: %s", thinklight)) { break; }
}
} else {
CRIT_ERR(nullptr, NULL,
"can't open '%s': %s\nYou are not using the IBM "
"ACPI. Remove ibm* from your " PACKAGE_NAME " config file.",
filename, strerror(errno));
}
fclose(fp);
snprintf(p, p_max_size, "%s", thinklight);
}
void parse_ibm_temps_arg(struct text_object *obj, const char *arg) {
if (!isdigit(arg[0]) || strlen(arg) > 1 || atoi(&arg[0]) >= 8) {
obj->data.l = 0;
NORM_ERR(
"Invalid temperature sensor! Sensor number must be 0 to 7. "
"Using 0 (CPU temp sensor).");
} else
obj->data.l = atoi(arg);
}
void print_ibm_temps(struct text_object *obj, char *p,
unsigned int p_max_size) {
temp_print(p, p_max_size, ibm_acpi_temps[obj->data.l], TEMP_CELSIUS, 1);
}