Beispiel #1
0
/* Thread: scan */
static void
process_directory(char *path, int flags)
{
  struct stacked_dir *bulkstack;
  DIR *dirp;
  struct dirent buf;
  struct dirent *de;
  char entry[PATH_MAX];
  char *deref;
  struct stat sb;
  struct watch_info wi;
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  struct kevent kev;
#endif
  int compilation;
  int ret;

  if (flags & F_SCAN_BULK)
    {
      /* Save our directory stack so it won't get handled inside
       * the event loop - not its business, we're in bulk mode here.
       */
      bulkstack = dirstack;
      dirstack = NULL;

      /* Run the event loop */
      event_base_loop(evbase_scan, EVLOOP_ONCE | EVLOOP_NONBLOCK);

      /* Restore our directory stack */
      dirstack = bulkstack;

      if (scan_exit)
	return;
    }

  DPRINTF(E_DBG, L_SCAN, "Processing directory %s (flags = 0x%x)\n", path, flags);

  dirp = opendir(path);
  if (!dirp)
    {
      DPRINTF(E_LOG, L_SCAN, "Could not open directory %s: %s\n", path, strerror(errno));

      return;
    }

  /* Check for a compilation directory */
  compilation = check_compilation(path);

  for (;;)
    {
      ret = readdir_r(dirp, &buf, &de);
      if (ret != 0)
	{
	  DPRINTF(E_LOG, L_SCAN, "readdir_r error in %s: %s\n", path, strerror(errno));

	  break;
	}

      if (de == NULL)
	break;

      if (buf.d_name[0] == '.')
	continue;

      ret = snprintf(entry, sizeof(entry), "%s/%s", path, buf.d_name);
      if ((ret < 0) || (ret >= sizeof(entry)))
	{
	  DPRINTF(E_LOG, L_SCAN, "Skipping %s/%s, PATH_MAX exceeded\n", path, buf.d_name);

	  continue;
	}

      ret = lstat(entry, &sb);
      if (ret < 0)
	{
	  DPRINTF(E_LOG, L_SCAN, "Skipping %s, lstat() failed: %s\n", entry, strerror(errno));

	  continue;
	}

      if (S_ISLNK(sb.st_mode))
	{
	  deref = m_realpath(entry);
	  if (!deref)
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, could not dereference symlink: %s\n", entry, strerror(errno));

	      continue;
	    }

	  ret = stat(deref, &sb);
	  if (ret < 0)
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, stat() failed: %s\n", deref, strerror(errno));

	      free(deref);
	      continue;
	    }

	  ret = snprintf(entry, sizeof(entry), "%s", deref);
	  free(deref);
	  if ((ret < 0) || (ret >= sizeof(entry)))
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, PATH_MAX exceeded\n", deref);

	      continue;
	    }
	}

      if (S_ISREG(sb.st_mode))
	process_file(entry, sb.st_mtime, sb.st_size, compilation, flags);
      else if (S_ISDIR(sb.st_mode))
	push_dir(&dirstack, entry);
      else
	DPRINTF(E_LOG, L_SCAN, "Skipping %s, not a directory, symlink nor regular file\n", entry);
    }

  closedir(dirp);

  memset(&wi, 0, sizeof(struct watch_info));

#if defined(__linux__)
  /* Add inotify watch */
  wi.wd = inotify_add_watch(inofd, path, IN_CREATE | IN_DELETE | IN_MODIFY | IN_CLOSE_WRITE | IN_MOVE | IN_DELETE | IN_MOVE_SELF);
  if (wi.wd < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Could not create inotify watch for %s: %s\n", path, strerror(errno));

      return;
    }

  if (!(flags & F_SCAN_RESCAN))
    {
      wi.cookie = 0;
      wi.path = path;

      db_watch_add(&wi);
    }

#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  memset(&kev, 0, sizeof(struct kevent));

  wi.wd = open(path, O_RDONLY | O_NONBLOCK);
  if (wi.wd < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Could not open directory %s for watching: %s\n", path, strerror(errno));

      return;
    }

  /* Add kevent */
  EV_SET(&kev, wi.wd, EVFILT_VNODE, EV_ADD | EV_CLEAR, NOTE_DELETE | NOTE_WRITE | NOTE_RENAME, 0, NULL);

  ret = kevent(inofd, &kev, 1, NULL, 0, NULL);
  if (ret < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Could not add kevent for %s: %s\n", path, strerror(errno));

      close(wi.wd);
      return;
    }

  wi.cookie = 0;
  wi.path = path;

  db_watch_add(&wi);
#endif
}
/* Thread: scan */
static void
process_directory(char *path, int flags)
{
  DIR *dirp;
  struct dirent buf;
  struct dirent *de;
  char entry[PATH_MAX];
  char *deref;
  struct stat sb;
  struct watch_info wi;
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  struct kevent kev;
#endif
  int type;
  int ret;

  DPRINTF(E_DBG, L_SCAN, "Processing directory %s (flags = 0x%x)\n", path, flags);

  dirp = opendir(path);
  if (!dirp)
    {
      DPRINTF(E_LOG, L_SCAN, "Could not open directory %s: %s\n", path, strerror(errno));

      return;
    }

  /* Check if compilation and/or podcast directory */
  type = 0;
  if (check_speciallib(path, "compilations"))
    type |= F_SCAN_TYPE_COMPILATION;
  if (check_speciallib(path, "podcasts"))
    type |= F_SCAN_TYPE_PODCAST;
  if (check_speciallib(path, "audiobooks"))
    type |= F_SCAN_TYPE_AUDIOBOOK;

  for (;;)
    {
      if (scan_exit)
	break;

      ret = readdir_r(dirp, &buf, &de);
      if (ret != 0)
	{
	  DPRINTF(E_LOG, L_SCAN, "readdir_r error in %s: %s\n", path, strerror(errno));

	  break;
	}

      if (de == NULL)
	break;

      if (buf.d_name[0] == '.')
	continue;

      ret = snprintf(entry, sizeof(entry), "%s/%s", path, buf.d_name);
      if ((ret < 0) || (ret >= sizeof(entry)))
	{
	  DPRINTF(E_LOG, L_SCAN, "Skipping %s/%s, PATH_MAX exceeded\n", path, buf.d_name);

	  continue;
	}

      ret = lstat(entry, &sb);
      if (ret < 0)
	{
	  DPRINTF(E_LOG, L_SCAN, "Skipping %s, lstat() failed: %s\n", entry, strerror(errno));

	  continue;
	}

      if (S_ISLNK(sb.st_mode))
	{
	  deref = m_realpath(entry);
	  if (!deref)
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, could not dereference symlink: %s\n", entry, strerror(errno));

	      continue;
	    }

	  ret = stat(deref, &sb);
	  if (ret < 0)
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, stat() failed: %s\n", deref, strerror(errno));

	      free(deref);
	      continue;
	    }

	  ret = snprintf(entry, sizeof(entry), "%s", deref);
	  free(deref);
	  if ((ret < 0) || (ret >= sizeof(entry)))
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, PATH_MAX exceeded\n", deref);

	      continue;
	    }
	}

      if (S_ISREG(sb.st_mode))
	{
	  if (!(flags & F_SCAN_FAST))
	    process_file(entry, sb.st_mtime, sb.st_size, F_SCAN_TYPE_FILE | type, flags);
	}
      else if (S_ISFIFO(sb.st_mode))
	{
	  if (!(flags & F_SCAN_FAST))
	    process_file(entry, sb.st_mtime, sb.st_size, F_SCAN_TYPE_PIPE | type, flags);
	}
      else if (S_ISDIR(sb.st_mode))
	push_dir(&dirstack, entry);
      else
	DPRINTF(E_LOG, L_SCAN, "Skipping %s, not a directory, symlink, pipe nor regular file\n", entry);
    }

  closedir(dirp);

  memset(&wi, 0, sizeof(struct watch_info));

#if defined(__linux__)
  /* Add inotify watch */
  wi.wd = inotify_add_watch(inofd, path, IN_ATTRIB | IN_CREATE | IN_DELETE | IN_CLOSE_WRITE | IN_MOVE | IN_DELETE | IN_MOVE_SELF);
  if (wi.wd < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Could not create inotify watch for %s: %s\n", path, strerror(errno));

      return;
    }

  if (!(flags & F_SCAN_MOVED))
    {
      wi.cookie = 0;
      wi.path = path;

      db_watch_add(&wi);
    }

#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  memset(&kev, 0, sizeof(struct kevent));

  wi.wd = open(path, O_RDONLY | O_NONBLOCK);
  if (wi.wd < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Could not open directory %s for watching: %s\n", path, strerror(errno));

      return;
    }

  /* Add kevent */
  EV_SET(&kev, wi.wd, EVFILT_VNODE, EV_ADD | EV_CLEAR, NOTE_DELETE | NOTE_WRITE | NOTE_RENAME, 0, NULL);

  ret = kevent(inofd, &kev, 1, NULL, 0, NULL);
  if (ret < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Could not add kevent for %s: %s\n", path, strerror(errno));

      close(wi.wd);
      return;
    }

  wi.cookie = 0;
  wi.path = path;

  db_watch_add(&wi);
#endif
}
Beispiel #3
0
static void
process_directory(char *path, int parent_id, int flags)
{
  DIR *dirp;
  struct dirent buf;
  struct dirent *de;
  char entry[PATH_MAX];
  char *deref;
  struct stat sb;
  struct watch_info wi;
  int type;
  char virtual_path[PATH_MAX];
  int dir_id;
  int ret;

  DPRINTF(E_DBG, L_SCAN, "Processing directory %s (flags = 0x%x)\n", path, flags);

  dirp = opendir(path);
  if (!dirp)
    {
      DPRINTF(E_LOG, L_SCAN, "Could not open directory %s: %s\n", path, strerror(errno));

      return;
    }

  /* Add/update directories table */

  ret = create_virtual_path(path, virtual_path, sizeof(virtual_path));
  if (ret < 0)
    return;

  dir_id = db_directory_addorupdate(virtual_path, 0, parent_id);
  if (dir_id <= 0)
    {
      DPRINTF(E_LOG, L_SCAN, "Insert or update of directory failed '%s'\n", virtual_path);
    }

  /* Check if compilation and/or podcast directory */
  type = 0;
  if (check_speciallib(path, "compilations"))
    type |= F_SCAN_TYPE_COMPILATION;
  if (check_speciallib(path, "podcasts"))
    type |= F_SCAN_TYPE_PODCAST;
  if (check_speciallib(path, "audiobooks"))
    type |= F_SCAN_TYPE_AUDIOBOOK;

  for (;;)
    {
      if (scan_exit)
	break;

      ret = readdir_r(dirp, &buf, &de);
      if (ret != 0)
	{
	  DPRINTF(E_LOG, L_SCAN, "readdir_r error in %s: %s\n", path, strerror(errno));

	  break;
	}

      if (de == NULL)
	break;

      if (buf.d_name[0] == '.')
	continue;

      ret = snprintf(entry, sizeof(entry), "%s/%s", path, buf.d_name);
      if ((ret < 0) || (ret >= sizeof(entry)))
	{
	  DPRINTF(E_LOG, L_SCAN, "Skipping %s/%s, PATH_MAX exceeded\n", path, buf.d_name);

	  continue;
	}

      ret = lstat(entry, &sb);
      if (ret < 0)
	{
	  DPRINTF(E_LOG, L_SCAN, "Skipping %s, lstat() failed: %s\n", entry, strerror(errno));

	  continue;
	}

      if (S_ISLNK(sb.st_mode))
	{
	  deref = m_realpath(entry);
	  if (!deref)
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, could not dereference symlink: %s\n", entry, strerror(errno));

	      continue;
	    }

	  ret = stat(deref, &sb);
	  if (ret < 0)
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, stat() failed: %s\n", deref, strerror(errno));

	      free(deref);
	      continue;
	    }

	  ret = snprintf(entry, sizeof(entry), "%s", deref);
	  free(deref);
	  if ((ret < 0) || (ret >= sizeof(entry)))
	    {
	      DPRINTF(E_LOG, L_SCAN, "Skipping %s, PATH_MAX exceeded\n", deref);

	      continue;
	    }
	}

      if (S_ISREG(sb.st_mode))
	{
	  if (!(flags & F_SCAN_FAST))
	    process_file(entry, sb.st_mtime, sb.st_size, F_SCAN_TYPE_FILE | type, flags, dir_id);
	}
      else if (S_ISFIFO(sb.st_mode))
	{
	  if (!(flags & F_SCAN_FAST))
	    process_file(entry, sb.st_mtime, sb.st_size, F_SCAN_TYPE_PIPE | type, flags, dir_id);
	}
      else if (S_ISDIR(sb.st_mode))
	push_dir(&dirstack, entry, dir_id);
      else
	DPRINTF(E_LOG, L_SCAN, "Skipping %s, not a directory, symlink, pipe nor regular file\n", entry);
    }

  closedir(dirp);

  memset(&wi, 0, sizeof(struct watch_info));

  // Add inotify watch (for FreeBSD we limit the flags so only dirs will be
  // opened, otherwise we will be opening way too many files)
#if defined(__linux__)
  wi.wd = inotify_add_watch(inofd, path, IN_ATTRIB | IN_CREATE | IN_DELETE | IN_CLOSE_WRITE | IN_MOVE | IN_DELETE | IN_MOVE_SELF);
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  wi.wd = inotify_add_watch(inofd, path, IN_CREATE | IN_DELETE | IN_MOVE);
#endif
  if (wi.wd < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Could not create inotify watch for %s: %s\n", path, strerror(errno));

      return;
    }

  if (!(flags & F_SCAN_MOVED))
    {
      wi.cookie = 0;
      wi.path = path;

      db_watch_add(&wi);
    }
}