100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <string.h>
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// Retrieve the current battery status
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char * getBatteryStatus() {
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system("acpi -b > /tmp/battery.txt");
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FILE *fp = fopen("/tmp/battery.txt", "r");
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char line[256];
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char* batteryStatus = NULL;
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fgets(line, sizeof(line), fp);
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// Find "discharging" or "charging" in the line
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char* dischargingStr = strstr(line, "Discharging");
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char* chargingStr = strstr(line, "Charging");
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if (dischargingStr != NULL) batteryStatus = "Discharging";
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else if (chargingStr != NULL) batteryStatus = "Charging";
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else batteryStatus = "Unknown";
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fclose(fp);
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return batteryStatus;
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}
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// Retrieve the current battery percentage
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int getBatteryPercentage() {
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system("acpi -b > /tmp/battery.txt");
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FILE *fp = fopen("/tmp/battery.txt", "r");
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char line[256];
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fgets(line, sizeof(line), fp);
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fclose(fp);
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char *token = strtok(line, ",");
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token = strtok(NULL, ",");
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char *percentage = strtok(token, "%");
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return atoi(percentage);
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}
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// Record the current date, time, and battery percentage
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void recordData() {
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time_t now;
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struct tm *tm_info;
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time(&now);
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tm_info = localtime(&now);
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int batteryPercentage = getBatteryPercentage();
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char * batteryStatus = getBatteryStatus();
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// Create a string for date and time
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char datetime[50];
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strftime(datetime, sizeof(datetime), "%Y-%m-%d %H:%M:%S", tm_info);
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// Write the data to a file
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FILE *fp = fopen("/usr/local/etc/data.txt", "a");
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fprintf(fp, "%s, %d, %s\n", datetime, batteryPercentage, batteryStatus);
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fclose(fp);
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}
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void daemonize() {
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printf("Daemonizing...\n");
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// Daemonize the process
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pid_t pid, sid;
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pid = fork();
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if (pid < 0) {
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printf("daemonizing failed! pid: %d\n", pid);
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exit(EXIT_FAILURE);
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}
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// This is not needed.
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if (pid > 0) {
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printf("daemonizing succeeded! pid: %d\n", pid);
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}
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if ((chdir("/")) < 0) {
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printf("daemonizing failed! dir not changed\n");
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exit(EXIT_FAILURE);
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}
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}
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int main(int argc, char * argv[]) {
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daemonize();
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while (1) {
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recordData();
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// Sleep for 10 seconds
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sleep(60);
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}
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return 0;
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}
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