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EventXParser.c
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#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <linux/input.h>
#include <sys/time.h>
#include <time.h>
#include <string.h>
#include <stdint.h>
#define COUNT 249
/* This script is built to parse eventX files on linux-based OS and focuses on type1 of the input_event struct below :
struct input_event {
struct timeval time;
__u16 type;
__u16 code;
__s32 value;
};
This script parses file given in parameter and prints the key corresponding to any event according the keymap below. It also prints event's time.
/!\ The keymap used below is adapted to the AZERTY Keyboard /!\
*/
const char* keymap[COUNT] = {
[0] = "KEY_RESERVED",
[1] = "KEY_ESC",
[2] = "&", // QWERTY '1'
[3] = "é", // QWERTY '2'
[4] = "\"", // QWERTY '3'
[5] = "'", // QWERTY '4'
[6] = "(", // QWERTY '5'
[7] = "-", // QWERTY '6'
[8] = "è", // QWERTY '7'
[9] = "_", // QWERTY '8'
[10] = "ç", // QWERTY '9'
[11] = "à", // QWERTY '0'
[12] = ")", // QWERTY '-'
[13] = "=", // QWERTY '='
[14] = "KEY_BACKSPACE",
[15] = "KEY_TAB",
[16] = "a", // QWERTY 'q'
[17] = "z", // QWERTY 'w'
[18] = "e",
[19] = "r",
[20] = "t",
[21] = "y",
[22] = "u",
[23] = "i",
[24] = "o",
[25] = "p",
[26] = "^", // QWERTY '['
[27] = "$", // QWERTY ']'
[28] = "KEY_ENTER",
[29] = "KEY_LEFTCTRL",
[30] = "q", // QWERTY 'a'
[31] = "s",
[32] = "d",
[33] = "f",
[34] = "g",
[35] = "h",
[36] = "j",
[37] = "k",
[38] = "l",
[39] = "m", // QWERTY ';'
[40] = "ù", // QWERTY '\''
[41] = "*", // QWERTY '`'
[42] = "KEY_LEFTSHIFT",
[43] = "<", // QWERTY '\\'
[44] = "w", // QWERTY 'z'
[45] = "x",
[46] = "c",
[47] = "v",
[48] = "b",
[49] = "n",
[50] = ",", // QWERTY 'm'
[51] = ";", // QWERTY ','
[52] = ":", // QWERTY '.'
[53] = "!", // QWERTY '/'
[54] = "KEY_RIGHTSHIFT",
[55] = "KEY_KPASTERISK",
[56] = "KEY_LEFTALT",
[57] = " ", // KEY_SPACE
[58] = "KEY_CAPSLOCK",
[59] = "KEY_F1",
[60] = "KEY_F2",
[61] = "KEY_F3",
[62] = "KEY_F4",
[63] = "KEY_F5",
[64] = "KEY_F6",
[65] = "KEY_F7",
[66] = "KEY_F8",
[67] = "KEY_F9",
[68] = "KEY_F10",
[69] = "KEY_NUMLOCK",
[70] = "KEY_SCROLLLOCK",
[71] = "KEY_KP7",
[72] = "KEY_KP8",
[73] = "KEY_KP9",
[74] = "KEY_KPMINUS",
[75] = "KEY_KP4",
[76] = "KEY_KP5",
[77] = "KEY_KP6",
[78] = "KEY_KPPLUS",
[79] = "KEY_KP1",
[80] = "KEY_KP2",
[81] = "KEY_KP3",
[82] = "KEY_KP0",
[83] = "KEY_KPDOT",
[85] = "KEY_ZENKAKUHANKAKU",
[86] = "KEY_102ND",
[87] = "KEY_F11",
[88] = "KEY_F12",
[89] = "KEY_RO",
[90] = "KEY_KATAKANA",
[91] = "KEY_HIRAGANA",
[92] = "KEY_HENKAN",
[93] = "KEY_KATAKANAHIRAGANA",
[94] = "KEY_MUHENKAN",
[95] = "KEY_KPJPCOMMA",
[96] = "KEY_KPENTER",
[97] = "KEY_RIGHTCTRL",
[98] = "KEY_KPSLASH",
[99] = "KEY_SYSRQ",
[100] = "KEY_RIGHTALT",
[101] = "KEY_LINEFEED",
[102] = "KEY_HOME",
[103] = "KEY_UP",
[104] = "KEY_PAGEUP",
[105] = "KEY_LEFT",
[106] = "KEY_RIGHT",
[107] = "KEY_END",
[108] = "KEY_DOWN",
[109] = "KEY_PAGEDOWN",
[110] = "KEY_INSERT",
[111] = "KEY_DELETE",
[112] = "KEY_MACRO",
[113] = "KEY_MUTE",
[114] = "KEY_VOLUMEDOWN",
[115] = "KEY_VOLUMEUP",
[116] = "KEY_POWER",
[117] = "KEY_KPEQUAL",
[118] = "KEY_KPPLUSMINUS",
[119] = "KEY_PAUSE",
[120] = "KEY_SCALE",
[121] = "KEY_KPCOMMA",
[122] = "KEY_HANGEUL",
[123] = "KEY_HANJA",
[124] = "KEY_YEN",
[125] = "KEY_LEFTMETA",
[126] = "KEY_RIGHTMETA",
[127] = "KEY_COMPOSE",
[128] = "KEY_STOP",
[129] = "KEY_AGAIN",
[130] = "KEY_PROPS",
[131] = "KEY_UNDO",
[132] = "KEY_FRONT",
[133] = "KEY_COPY",
[134] = "KEY_OPEN",
[135] = "KEY_PASTE",
[136] = "KEY_FIND",
[137] = "KEY_CUT",
[138] = "KEY_HELP",
[139] = "KEY_MENU",
[140] = "KEY_CALC",
[141] = "KEY_SETUP",
[142] = "KEY_SLEEP",
[143] = "KEY_WAKEUP",
[144] = "KEY_FILE",
[145] = "KEY_SENDFILE",
[146] = "KEY_DELETEFILE",
[147] = "KEY_XFER",
[148] = "KEY_PROG1",
[149] = "KEY_PROG2",
[150] = "KEY_WWW",
[151] = "KEY_MSDOS",
[152] = "KEY_COFFEE",
[153] = "KEY_SCREENLOCK",
[154] = "KEY_ROTATE_DISPLAY",
[155] = "KEY_MAIL",
[156] = "KEY_BOOKMARKS",
[157] = "KEY_COMPUTER",
[158] = "KEY_BACK",
[159] = "KEY_FORWARD",
[160] = "KEY_CLOSECD",
[161] = "KEY_EJECTCD",
[162] = "KEY_EJECTCLOSECD",
[163] = "KEY_NEXTSONG",
[164] = "KEY_PLAYPAUSE",
[165] = "KEY_PREVIOUSSONG",
[166] = "KEY_STOPCD",
[167] = "KEY_RECORD",
[168] = "KEY_REWIND",
[169] = "KEY_PHONE",
[170] = "KEY_ISO",
[171] = "KEY_CONFIG",
[172] = "KEY_HOMEPAGE",
[173] = "KEY_REFRESH",
[174] = "KEY_EXIT",
[175] = "KEY_MOVE",
[176] = "KEY_EDIT",
[177] = "KEY_SCROLLUP",
[178] = "KEY_SCROLLDOWN",
[179] = "KEY_KPLEFTPAREN",
[180] = "KEY_KPRIGHTPAREN",
[181] = "KEY_NEW",
[182] = "KEY_REDO",
[183] = "KEY_F13",
[184] = "KEY_F14",
[185] = "KEY_F15",
[186] = "KEY_F16",
[187] = "KEY_F17",
[188] = "KEY_F18",
[189] = "KEY_F19",
[190] = "KEY_F20",
[191] = "KEY_F21",
[192] = "KEY_F22",
[193] = "KEY_F23",
[194] = "KEY_F24",
[200] = "KEY_PLAYCD",
[201] = "KEY_PAUSECD",
[202] = "KEY_PROG3",
[203] = "KEY_PROG4",
[204] = "KEY_DASHBOARD",
[205] = "KEY_SUSPEND",
[206] = "KEY_CLOSE",
[207] = "KEY_PLAY",
[208] = "KEY_FASTFORWARD",
[209] = "KEY_BASSBOOST",
[210] = "KEY_PRINT",
[211] = "KEY_HP",
[212] = "KEY_CAMERA",
[213] = "KEY_SOUND",
[214] = "KEY_QUESTION",
[215] = "KEY_EMAIL",
[216] = "KEY_CHAT",
[217] = "KEY_SEARCH",
[218] = "KEY_CONNECT",
[219] = "KEY_FINANCE",
[220] = "KEY_SPORT",
[221] = "KEY_SHOP",
[222] = "KEY_ALTERASE",
[223] = "KEY_CANCEL",
[224] = "KEY_BRIGHTNESSDOWN",
[225] = "KEY_BRIGHTNESSUP",
[226] = "KEY_MEDIA",
[227] = "KEY_SWITCHVIDEOMODE",
[228] = "KEY_KBDILLUMTOGGLE",
[229] = "KEY_KBDILLUMDOWN",
[230] = "KEY_KBDILLUMUP",
[231] = "KEY_SEND",
[232] = "KEY_REPLY",
[233] = "KEY_FORWARDMAIL",
[234] = "KEY_SAVE",
[235] = "KEY_DOCUMENTS",
[236] = "KEY_BATTERY",
[237] = "KEY_BLUETOOTH",
[238] = "KEY_WLAN",
[239] = "KEY_UWB",
[240] = "KEY_UNKNOWN",
[241] = "KEY_VIDEO_NEXT",
[242] = "KEY_VIDEO_PREV",
[243] = "KEY_BRIGHTNESS_CYCLE",
[244] = "KEY_BRIGHTNESS_AUTO",
[245] = "KEY_DISPLAY_OFF",
[246] = "KEY_WWAN",
[247] = "KEY_RFKILL",
[248] = "KEY_MICMUTE"
};
//functions
void printKeyName(uint16_t k) {
if (k >= 0 && k < COUNT) {
printf( "%s \n",keymap[k]);
} else {
printf("Unknown key");
}
}
void print_timeval(struct timeval tv) {
struct tm *tm_info;
tm_info = localtime(&tv.tv_sec);
char buffer[30];
strftime(buffer, 30, "%Y-%m-%d %H:%M:%S | ", tm_info);
printf("%s", buffer);
}
//main
int main(int argc, char *argv[]) {
if (argc < 2){
printf("Usage: %s <event file to parse> \n", argv[0]);
printf("%s -h for help \n", argv[0]);
return -1;
}
if (argc > 3){
printf("Usage: %s <event file to parse> \n", argv[0]);
printf("%s -h for help \n", argv[0]);
return -1;
}
if (strcmp(argv[1],"-h")==0){ printf("Options:\n -all : to print code & time for all types of key (0,1 & 4) while parsing the file. \n -h : to get help.\n"); return -1; }
if (argc == 3 && strcmp(argv[2],"-h")==0){ printf("Options:\n -all : to print code & time for all types of key (0,1 & 4) while parsing the file. \n -h : to get help.\n"); return -1; }
if (argc == 2 && strncmp(argv[1], "-", 1) == 0 && strcmp(argv[1],"-h") != 0){ printf("Invalid option, -h to get help\n"); return -1; }
if (argc == 3 && strncmp(argv[2], "-", 1) == 0 && strcmp(argv[2],"-all") != 0){ printf("Invalid option, -h to get help\n"); return -1; }
if (argc == 3 && strcmp(argv[2],"-all") != 0){ printf("Invalid parameter, -h to get help\n"); return -1; }
int file_descriptor = open(argv[1] , O_RDONLY);
if (file_descriptor == -1) {
perror("file openning error");
return -1;
}
struct input_event event;
while (1) {
ssize_t n = read(file_descriptor, (void *) &event, sizeof(struct input_event));
if (n == (ssize_t)-1) {
perror("Error while reading");
close(file_descriptor);
return -1;
} else if (n != sizeof(struct input_event)) {
fprintf(stderr, "Error: Wrong size \n");
close(file_descriptor);
return -1;
}
uint16_t keycode = event.code;
uint16_t keytype = event.type;
//-all option enabled
if ( argc == 3 && strcmp(argv[2],"-all")==0 ){
if (file_descriptor == -1) {
perror("file openning error");
return -1;
} else{
printf("Type: %u | ", keytype);
print_timeval(event.time);
printf(" => ");
printKeyName(keycode);
}
} else if (keytype == 1) {
print_timeval(event.time);
printf(" => ");
printKeyName(keycode);
}
}
close(file_descriptor);
return 0;
}