1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*This is the sample program to notify us for the file creation and file deletion takes place in “/tmp” directory*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/inotify.h>
#include <unistd.h>
#include <string.h>
#define EVENT_SIZE ( sizeof (struct inotify_event) )
#define EVENT_BUF_LEN ( 1024 * ( EVENT_SIZE + 16 ) )
int main(void) {
int length, i = 0;
int fd;
int wd;
char buffer[EVENT_BUF_LEN];
/*creating the INOTIFY instance*/
fd = inotify_init();
/*checking for error*/
if ( fd < 0 ) {
perror( "inotify_init" );
}
/*adding the “/tmp” directory into watch list. Here, the suggestion is to validate the existence of the directory before adding into monitoring list.*/
wd = inotify_add_watch( fd, "/home/ache/.tmp", IN_CREATE );
/*actually read return the list of change events happens. Here, read the change event one by one and process it accordingly.*/
while ( 1 ) {
read( fd, buffer, EVENT_BUF_LEN );
struct inotify_event *event = buffer + i;
if ( event->len ) {
if ( event->mask & IN_CREATE ) {
if ( event->mask & IN_ISDIR ) {
printf( "New directory %s created.\n", event->name );
}
else {
printf( "New file %s created.\n", event->name );
if( strcmp(event->name, "fox") == 0 ) {
sleep(2);
puts("🦊");
break;
char filename[512] = "/home/ache/.tmp";
char filename_out[512] = "/tmp/";
strcat(filename, event->name);
strcat(filename_out, event->name);
rename(filename, filename_out);
}
}
}
}
}
/*removing the “/tmp” directory from the watch list.*/
inotify_rm_watch( fd, wd );
/*closing the INOTIFY instance*/
close( fd );
return EXIT_SUCCESS;
}
|
