162 lines
3.1 KiB
C
162 lines
3.1 KiB
C
#include <errno.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <sys/poll.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include <stdbool.h>
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#include "log.h"
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#include "include/led.h"
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#include "include/acpi.h"
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#include "include/utils.h"
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#include "config.h"
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#define SOCKET_FILE "/run/acpid.socket"
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#define LED_FILE "/sys/class/leds/input0::capslock/brightness"
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#define MAX_BUFLEN 1024
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char
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*battery_percent(void)
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{
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char *r, c, *d;
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int i;
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FILE *f;
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/* open up the battery capacity for reading */
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d = concat(battery_dir, "/capacity");
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f = fopen(d, "r");
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free(d);
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/* create enough space for the battery percentage */
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r = calloc(4, sizeof(char));
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/* read in the battery percentage */
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i = 0;
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while ((c = getc(f)) && i < 4) {
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/* make sure to replace the newline with a string terminator */
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if (c == '\n') {
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r[i] = '\0';
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break;
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}
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r[i] = c;
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i++;
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}
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fclose(f);
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return r;
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}
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bool
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plugged_in(char *fn)
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{
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FILE *f;
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char buf[1];
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f = fopen(fn, "r");
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if (read(fileno(f), buf, 1) < 0) {
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return -1;
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}
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fclose(f);
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return buf[0] - '0';
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}
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void
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on_battery_event(char *percent, bool plugged)
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{
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char *ep;
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int res;
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double rate;
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if (!plugged) {
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/* convert battery percentage to an int */
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res = strtol(percent, &ep, 10);
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if (res <= blink_start) {
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rate = blink_formula(res);
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if (rate >= 1) {
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led_set_rate(rate);
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}
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} else {
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led_set_rate(0);
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}
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} else {
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led_set_rate(0);
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}
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free(percent);
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}
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int
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main(int argc, char *argv[])
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{
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bool plugged = plugged_in("/sys/class/power_supply/ACAD/online");
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char buffer[MAX_BUFLEN], *out[4];
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int sock_fd;
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/* set the logging level */
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log_set_level(LOG_DEBUG);
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/* open up socket address */
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sock_fd = acpi_create_socket(SOCKET_FILE);
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/* create the led thread */
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led_create_thread(LED_FILE);
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/* run events that need to be run on start to ensure that the current state
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* inside the program reflects that that is outside the program
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*/
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on_battery_event(battery_percent(), plugged);
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/* zero buffer */
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memset(out, 0, sizeof(out));
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for (;;) {
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/* read input */
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memset(buffer, 0, MAX_BUFLEN);
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if (read(sock_fd, buffer, MAX_BUFLEN) < 0) {
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log_fatal("read: %s", strerror(errno));
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return 1;
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}
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/* parse */
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if (acpi_parse(buffer, out) != 0) {
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continue;
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}
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/* rules */
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if (strcmp(out[0], "ac_adapter") == 0) {
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char *s = get_substring(out[1], 0, 2);
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if (strcmp(s, "AC") == 0) {
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plugged = plugged_in("/sys/class/power_supply/ACAD/online");
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}
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free(s);
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} else if (strcmp(out[0], "battery") == 0) {
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char *s = get_substring(out[1], 0, 3);
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if (strcmp(s, "PNP") == 0) {
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if (strcmp(out[2], "00000080") == 0) {
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if (strcmp(out[3], "00000001") == 0) {
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on_battery_event(battery_percent(), plugged);
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}
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}
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}
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free(s);
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}
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acpi_clean_parse(out);
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}
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acpi_close_socket(sock_fd);
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}
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