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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 <unistd.h>
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#include <fcntl.h>
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#include <linux/input.h>
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#include <sys/ioctl.h>
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#include "sormc.h"
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#define MAX_DEVICES 32
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#define DEVICE_PATH "/dev/input/event"
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int is_keyboard(int fd) {
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char device_name[256] = {0};
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if (ioctl(fd, EVIOCGNAME(sizeof(device_name)), device_name) < 0) {
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return 0;
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}
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return strstr(device_name, "keyboard") != NULL;
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}
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int main() {
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db = sormc("tikker.db");
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ulonglong times_repeated = 0;
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ulonglong times_pressed = 0;
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ulonglong times_released = 0;
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sormq(db,"CREATE TABLE IF NOT EXISTS kevent (id INTEGER PRIMARY KEY AUTOINCREMENT, code,event,name,timestamp)");
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int keyboard_fds[MAX_DEVICES];
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int num_keyboards = 0;
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for (int i = 0; i < MAX_DEVICES; i++) {
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char device_path[32];
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snprintf(device_path, sizeof(device_path), "%s%d", DEVICE_PATH, i);
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int fd = open(device_path, O_RDONLY);
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if (fd < 0) {
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continue;
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}
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if (is_keyboard(fd)) {
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keyboard_fds[num_keyboards++] = fd;
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printf("Found keyboard: %s\n", device_path);
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} else {
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close(fd);
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}
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}
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if (num_keyboards == 0) {
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fprintf(stderr, "No keyboard found.\n");
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return 1;
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}
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printf("Monitoring %d keyboards.\n", num_keyboards);
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struct input_event ev;
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fd_set read_fds;
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while (1) {
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FD_ZERO(&read_fds);
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int max_fd = -1;
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for (int i = 0; i < num_keyboards; i++) {
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FD_SET(keyboard_fds[i], &read_fds);
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if (keyboard_fds[i] > max_fd) {
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max_fd = keyboard_fds[i];
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}
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}
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if (select(max_fd + 1, &read_fds, NULL, NULL, NULL) < 0) {
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perror("select error");
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break;
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}
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for (int i = 0; i < num_keyboards; i++) {
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if (FD_ISSET(keyboard_fds[i], &read_fds)) {
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ssize_t bytes = read(keyboard_fds[i], &ev, sizeof(struct input_event));
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if (bytes == sizeof(struct input_event)) {
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if (ev.type == EV_KEY) {
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char key_name[256];
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ioctl(keyboard_fds[i], EVIOCGNAME(sizeof(key_name)), key_name);
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printf("Keyboard: %s, ", key_name);
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char * event_name = NULL;
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if(ev.value == 1){
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event_name = "PRESSED";
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times_pressed++;
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}else if(ev.value == 0){
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event_name = "RELEASED";
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times_released++;
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}else {
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event_name = "REPEATED";
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times_repeated++;
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}
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sormq(db, "INSERT INTO kevent (code, event, name,timestamp) VALUES (%d, %s, %s, DATETIME('now'))",ev.code,event_name,key_name);
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printf("Event: %s, ",
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ev.value == 1 ? "PRESSED" :
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ev.value == 0 ? "RELEASED" : "REPEATED");
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printf("Key Code: %d ", ev.code);
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printf("Pr: %lld Rel: %lld Rep: %lld\n",
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times_pressed,
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times_released,
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times_repeated
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);
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}
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}
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}
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}
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}
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// Cleanup
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for (int i = 0; i < num_keyboards; i++) {
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close(keyboard_fds[i]);
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}
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return 0;
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}
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