348 lines
8.5 KiB
C
348 lines
8.5 KiB
C
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#include "ecore_file_private.h"
|
|
|
|
/*
|
|
* TODO:
|
|
*
|
|
* - Listen to these events:
|
|
* IN_ACCESS, IN_ATTRIB, IN_CLOSE_WRITE, IN_CLOSE_NOWRITE, IN_OPEN
|
|
* - Read all events first, then call the callbacks. This will prevent several
|
|
* callbacks with the typic save cycle (delete file, new file)
|
|
*/
|
|
|
|
#ifdef HAVE_INOTIFY
|
|
|
|
#ifdef HAVE_SYS_INOTIFY
|
|
# include <sys/inotify.h>
|
|
#else
|
|
# include <asm/unistd.h>
|
|
# include <linux/inotify.h>
|
|
#endif
|
|
|
|
#ifndef HAVE_SYS_INOTIFY
|
|
static inline int inotify_init(void);
|
|
static inline int inotify_add_watch(int fd, const char *name, __u32 mask);
|
|
static inline int inotify_rm_watch(int fd, __u32 wd);
|
|
#endif
|
|
|
|
|
|
typedef struct _Ecore_File_Monitor_Inotify Ecore_File_Monitor_Inotify;
|
|
|
|
#define ECORE_FILE_MONITOR_INOTIFY(x) ((Ecore_File_Monitor_Inotify *)(x))
|
|
|
|
struct _Ecore_File_Monitor_Inotify
|
|
{
|
|
Ecore_File_Monitor monitor;
|
|
int wd;
|
|
};
|
|
|
|
static Ecore_Fd_Handler *_fdh = NULL;
|
|
static Ecore_File_Monitor *_monitors = NULL;
|
|
|
|
static Eina_Bool _ecore_file_monitor_inotify_handler(void *data, Ecore_Fd_Handler *fdh);
|
|
static Ecore_File_Monitor *_ecore_file_monitor_inotify_monitor_find(int wd);
|
|
static void _ecore_file_monitor_inotify_events(Ecore_File_Monitor *em, char *file, int mask);
|
|
static int _ecore_file_monitor_inotify_monitor(Ecore_File_Monitor *em, const char *path);
|
|
#if 0
|
|
static void _ecore_file_monitor_inotify_print(char *file, int mask);
|
|
#endif
|
|
|
|
int
|
|
ecore_file_monitor_inotify_init(void)
|
|
{
|
|
int fd;
|
|
|
|
fd = inotify_init();
|
|
if (fd < 0)
|
|
return 0;
|
|
|
|
_fdh = ecore_main_fd_handler_add(fd, ECORE_FD_READ, _ecore_file_monitor_inotify_handler,
|
|
NULL, NULL, NULL);
|
|
if (!_fdh)
|
|
{
|
|
close(fd);
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
ecore_file_monitor_inotify_shutdown(void)
|
|
{
|
|
int fd;
|
|
|
|
while(_monitors)
|
|
ecore_file_monitor_inotify_del(_monitors);
|
|
|
|
if (_fdh)
|
|
{
|
|
fd = ecore_main_fd_handler_fd_get(_fdh);
|
|
ecore_main_fd_handler_del(_fdh);
|
|
close(fd);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
Ecore_File_Monitor *
|
|
ecore_file_monitor_inotify_add(const char *path,
|
|
void (*func) (void *data, Ecore_File_Monitor *em,
|
|
Ecore_File_Event event,
|
|
const char *path),
|
|
void *data)
|
|
{
|
|
Ecore_File_Monitor *em;
|
|
int len;
|
|
|
|
em = calloc(1, sizeof(Ecore_File_Monitor_Inotify));
|
|
if (!em) return NULL;
|
|
|
|
em->func = func;
|
|
em->data = data;
|
|
|
|
em->path = strdup(path);
|
|
len = strlen(em->path);
|
|
if (em->path[len - 1] == '/' && strcmp(em->path, "/"))
|
|
em->path[len - 1] = 0;
|
|
|
|
_monitors = ECORE_FILE_MONITOR(eina_inlist_append(EINA_INLIST_GET(_monitors), EINA_INLIST_GET(em)));
|
|
|
|
if (ecore_file_exists(em->path))
|
|
{
|
|
if (!_ecore_file_monitor_inotify_monitor(em, em->path))
|
|
return NULL;
|
|
}
|
|
else
|
|
{
|
|
ecore_file_monitor_inotify_del(em);
|
|
return NULL;
|
|
}
|
|
|
|
return em;
|
|
}
|
|
|
|
void
|
|
ecore_file_monitor_inotify_del(Ecore_File_Monitor *em)
|
|
{
|
|
int fd;
|
|
|
|
_monitors = ECORE_FILE_MONITOR(eina_inlist_remove(EINA_INLIST_GET(_monitors), EINA_INLIST_GET(em)));
|
|
|
|
fd = ecore_main_fd_handler_fd_get(_fdh);
|
|
if (ECORE_FILE_MONITOR_INOTIFY(em)->wd)
|
|
inotify_rm_watch(fd, ECORE_FILE_MONITOR_INOTIFY(em)->wd);
|
|
free(em->path);
|
|
free(em);
|
|
}
|
|
|
|
static Eina_Bool
|
|
_ecore_file_monitor_inotify_handler(void *data __UNUSED__, Ecore_Fd_Handler *fdh)
|
|
{
|
|
Ecore_File_Monitor *em;
|
|
char buffer[16384];
|
|
struct inotify_event *event;
|
|
int i = 0;
|
|
int event_size;
|
|
ssize_t size;
|
|
|
|
size = read(ecore_main_fd_handler_fd_get(fdh), buffer, sizeof(buffer));
|
|
while (i < size)
|
|
{
|
|
event = (struct inotify_event *)&buffer[i];
|
|
event_size = sizeof(struct inotify_event) + event->len;
|
|
i += event_size;
|
|
|
|
em = _ecore_file_monitor_inotify_monitor_find(event->wd);
|
|
if (!em) continue;
|
|
|
|
_ecore_file_monitor_inotify_events(em, (event->len ? event->name : NULL), event->mask);
|
|
}
|
|
|
|
return ECORE_CALLBACK_RENEW;
|
|
}
|
|
|
|
static Ecore_File_Monitor *
|
|
_ecore_file_monitor_inotify_monitor_find(int wd)
|
|
{
|
|
Ecore_File_Monitor *l;
|
|
|
|
EINA_INLIST_FOREACH(_monitors, l)
|
|
{
|
|
if (ECORE_FILE_MONITOR_INOTIFY(l)->wd == wd)
|
|
return l;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
_ecore_file_monitor_inotify_events(Ecore_File_Monitor *em, char *file, int mask)
|
|
{
|
|
char buf[PATH_MAX];
|
|
int isdir;
|
|
|
|
if ((file) && (file[0]))
|
|
snprintf(buf, sizeof(buf), "%s/%s", em->path, file);
|
|
else
|
|
strcpy(buf, em->path);
|
|
isdir = mask & IN_ISDIR;
|
|
|
|
#if 0
|
|
_ecore_file_monitor_inotify_print(file, mask);
|
|
#endif
|
|
|
|
if (mask & IN_MODIFY)
|
|
{
|
|
if (!isdir)
|
|
em->func(em->data, em, ECORE_FILE_EVENT_MODIFIED, buf);
|
|
}
|
|
if (mask & IN_MOVED_FROM)
|
|
{
|
|
if (isdir)
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_DIRECTORY, buf);
|
|
else
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_FILE, buf);
|
|
}
|
|
if (mask & IN_MOVED_TO)
|
|
{
|
|
if (isdir)
|
|
em->func(em->data, em, ECORE_FILE_EVENT_CREATED_DIRECTORY, buf);
|
|
else
|
|
em->func(em->data, em, ECORE_FILE_EVENT_CREATED_FILE, buf);
|
|
}
|
|
if (mask & IN_DELETE)
|
|
{
|
|
if (isdir)
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_DIRECTORY, buf);
|
|
else
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_FILE, buf);
|
|
}
|
|
if (mask & IN_CREATE)
|
|
{
|
|
if (isdir)
|
|
em->func(em->data, em, ECORE_FILE_EVENT_CREATED_DIRECTORY, buf);
|
|
else
|
|
em->func(em->data, em, ECORE_FILE_EVENT_CREATED_FILE, buf);
|
|
}
|
|
if (mask & IN_DELETE_SELF)
|
|
{
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_SELF, em->path);
|
|
}
|
|
if (mask & IN_MOVE_SELF)
|
|
{
|
|
/* We just call delete. The dir is gone... */
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_SELF, em->path);
|
|
}
|
|
if (mask & IN_UNMOUNT)
|
|
{
|
|
/* We just call delete. The dir is gone... */
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_SELF, em->path);
|
|
}
|
|
if (mask & IN_IGNORED)
|
|
{
|
|
/* The watch is removed. If the file name still exists monitor the new one,
|
|
* else delete it */
|
|
if (ecore_file_exists(em->path))
|
|
{
|
|
if (!_ecore_file_monitor_inotify_monitor(em, em->path))
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_SELF, em->path);
|
|
}
|
|
else
|
|
em->func(em->data, em, ECORE_FILE_EVENT_DELETED_SELF, em->path);
|
|
}
|
|
}
|
|
|
|
static int
|
|
_ecore_file_monitor_inotify_monitor(Ecore_File_Monitor *em, const char *path)
|
|
{
|
|
int mask;
|
|
mask = IN_MODIFY|
|
|
IN_MOVED_FROM|IN_MOVED_TO|
|
|
IN_DELETE|IN_CREATE|
|
|
IN_DELETE_SELF|IN_MOVE_SELF|
|
|
IN_UNMOUNT;
|
|
ECORE_FILE_MONITOR_INOTIFY(em)->wd = inotify_add_watch(ecore_main_fd_handler_fd_get(_fdh),
|
|
path, mask);
|
|
if (ECORE_FILE_MONITOR_INOTIFY(em)->wd < 0)
|
|
{
|
|
ERR("inotify_add_watch error");
|
|
ecore_file_monitor_inotify_del(em);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
#ifndef HAVE_SYS_INOTIFY
|
|
static inline int
|
|
inotify_init(void)
|
|
{
|
|
return syscall(__NR_inotify_init);
|
|
}
|
|
|
|
static inline int
|
|
inotify_add_watch(int fd, const char *name, __u32 mask)
|
|
{
|
|
return syscall(__NR_inotify_add_watch, fd, name, mask);
|
|
}
|
|
|
|
static inline int
|
|
inotify_rm_watch(int fd, __u32 wd)
|
|
{
|
|
return syscall(__NR_inotify_rm_watch, fd, wd);
|
|
}
|
|
#endif
|
|
|
|
#if 0
|
|
static void
|
|
_ecore_file_monitor_inotify_print(char *file, int mask)
|
|
{
|
|
const char *type;
|
|
|
|
if (mask & IN_ISDIR)
|
|
type = "dir";
|
|
else
|
|
type = "file";
|
|
|
|
if (mask & IN_MODIFY)
|
|
{
|
|
WRN("Inotify modified %s: %s", type, file);
|
|
}
|
|
if (mask & IN_MOVED_FROM)
|
|
{
|
|
WRN("Inotify moved from %s: %s", type, file);
|
|
}
|
|
if (mask & IN_MOVED_TO)
|
|
{
|
|
WRN("Inotify moved to %s: %s", type, file);
|
|
}
|
|
if (mask & IN_DELETE)
|
|
{
|
|
WRN("Inotify delete %s: %s", type, file);
|
|
}
|
|
if (mask & IN_CREATE)
|
|
{
|
|
WRN("Inotify create %s: %s", type, file);
|
|
}
|
|
if (mask & IN_DELETE_SELF)
|
|
{
|
|
WRN("Inotify delete self %s: %s", type, file);
|
|
}
|
|
if (mask & IN_MOVE_SELF)
|
|
{
|
|
WRN("Inotify move self %s: %s", type, file);
|
|
}
|
|
if (mask & IN_UNMOUNT)
|
|
{
|
|
WRN("Inotify unmount %s: %s", type, file);
|
|
}
|
|
}
|
|
#endif
|
|
#endif /* HAVE_INOTIFY */
|