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mtpfs.c
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/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2005 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
*/
#include <mtpfs.h>
#include <glib/gprintf.h>
#include <stdlib.h> /* strtoul() */
#if DEBUG
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
#define DBG(a...) {g_printf( "[" __FILE__ ":" TOSTRING(__LINE__) "] " a );g_printf("\n");}
#else
#define DBG(a...)
#endif
#if DEBUG
static void
dump_mtp_error ()
{
LIBMTP_Dump_Errorstack (device);
LIBMTP_Clear_Errorstack (device);
}
#else
#define dump_mtp_error()
#endif
#define enter_lock(a...) do { DBG("lock"); DBG(a); g_mutex_lock(&device_lock); } while(0)
#define return_unlock(a) do { DBG("return unlock"); g_mutex_unlock(&device_lock); return a; } while(0)
void
free_files (LIBMTP_file_t * filelist)
{
LIBMTP_file_t *file = filelist, *tmp;
while (file)
{
tmp = file;
file = file->next;
LIBMTP_destroy_file_t (tmp);
}
}
void
free_playlists (LIBMTP_playlist_t * pl)
{
LIBMTP_playlist_t *playlist = pl, *tmp;
while (playlist)
{
tmp = playlist;
playlist = playlist->next;
LIBMTP_destroy_playlist_t (tmp);
}
}
void
check_files ()
{
if (files_changed)
{
DBG ("Refreshing Filelist");
LIBMTP_file_t *newfiles = NULL;
if (files)
free_files (files);
newfiles = LIBMTP_Get_Filelisting_With_Callback (device, NULL, NULL);
files = newfiles;
newfiles = NULL;
files_changed = FALSE;
//check_lost_files ();
DBG ("Refreshing Filelist exiting");
}
}
static void
check_lost_files ()
{
int last_parent_id = -1;
gboolean last_parent_found = FALSE;
LIBMTP_file_t *item;
if (lostfiles != NULL)
g_slist_free (lostfiles);
lostfiles = NULL;
for (item = files; item != NULL; item = item->next)
{
gboolean parent_found;
if (last_parent_id == -1 || last_parent_id != item->parent_id)
{
if (item->parent_id == 0)
{
parent_found = TRUE;
}
else
{
int i;
for (i = 0; i < 4; i++)
{
if (storageArea[i].folders != NULL)
{
if (LIBMTP_Find_Folder
(storageArea[i].folders, item->parent_id) != NULL)
{
parent_found = FALSE;
}
}
}
}
last_parent_id = item->parent_id;
last_parent_found = parent_found;
}
else
{
parent_found = last_parent_found;
}
DBG ("MTPFS checking for lost files %s, parent %d - %s",
item->filename, last_parent_id, (parent_found ? "FALSE" : "TRUE"));
if (parent_found == FALSE)
{
lostfiles = g_slist_append (lostfiles, item);
}
}
DBG ("MTPFS checking for lost files exit found %d lost tracks",
g_slist_length (lostfiles));
}
void
check_folders ()
{
int i;
for (i = 0; i < 4; i++)
{
if (storageArea[i].folders_changed)
{
DBG ("Refreshing Folderlist %d-%s", i,
storageArea[i].storage->StorageDescription);
LIBMTP_folder_t *newfolders = NULL;
if (storageArea[i].folders)
{
LIBMTP_destroy_folder_t (storageArea[i].folders);
}
newfolders =
LIBMTP_Get_Folder_List_For_Storage (device,
storageArea[i].storage->id);
storageArea[i].folders = newfolders;
newfolders = NULL;
storageArea[i].folders_changed = FALSE;
}
}
}
void
check_playlists ()
{
if (playlists_changed)
{
DBG ("Refreshing Playlists");
LIBMTP_playlist_t *newplaylists;
if (playlists)
free_playlists (playlists);
newplaylists = LIBMTP_Get_Playlist_List (device);
playlists = newplaylists;
playlists_changed = FALSE;
}
}
int
save_playlist (const char *path, struct fuse_file_info *fi)
{
DBG ("save_playlist");
int ret = 0;
LIBMTP_playlist_t *playlist;
FILE *file = NULL;
char item_path[1024];
uint32_t item_id = 0;
uint32_t *tracks;
gchar **fields;
GSList *tmplist = NULL;
fields = g_strsplit (path, "/", -1);
gchar *playlist_name;
playlist_name = g_strndup (fields[2], strlen (fields[2]) - 4);
DBG ("Adding:%s", playlist_name);
g_strfreev (fields);
playlist = LIBMTP_new_playlist_t ();
playlist->name = g_strdup (playlist_name);
file = fdopen (fi->fh, "r");
while (fgets (item_path, sizeof (item_path) - 1, file) != NULL)
{
g_strchomp (item_path);
item_id = parse_path (item_path);
if (item_id != -1)
{
tmplist = g_slist_append (tmplist, GUINT_TO_POINTER (item_id));
DBG ("Adding to tmplist:%d", item_id);
}
}
playlist->no_tracks = g_slist_length (tmplist);
tracks = g_malloc (playlist->no_tracks * sizeof (uint32_t));
int i;
for (i = 0; i < playlist->no_tracks; i++)
{
tracks[i] = (uint32_t) GPOINTER_TO_UINT (g_slist_nth_data (tmplist, i));
DBG ("Adding:%d-%d", i, tracks[i]);
}
playlist->tracks = tracks;
DBG ("Total:%d", playlist->no_tracks);
int playlist_id = 0;
LIBMTP_playlist_t *tmp_playlist;
check_playlists ();
tmp_playlist = playlists;
while (tmp_playlist != NULL)
{
if (g_ascii_strcasecmp (tmp_playlist->name, playlist_name) == 0)
{
playlist_id = playlist->playlist_id;
}
tmp_playlist = tmp_playlist->next;
}
if (playlist_id > 0)
{
DBG ("Update playlist %d", playlist_id);
playlist->playlist_id = playlist_id;
ret = LIBMTP_Update_Playlist (device, playlist);
}
else
{
DBG ("New playlist");
ret = LIBMTP_Create_New_Playlist (device, playlist);
}
playlists_changed = TRUE;
return ret;
}
/* Find the file type based on extension */
static LIBMTP_filetype_t
find_filetype (const gchar * filename)
{
DBG ("find_filetype");
gchar **fields;
fields = g_strsplit (filename, ".", -1);
gchar *ptype;
ptype = g_strdup (fields[g_strv_length (fields) - 1]);
g_strfreev (fields);
LIBMTP_filetype_t filetype;
// This need to be kept constantly updated as new file types arrive.
if (!g_ascii_strncasecmp (ptype, "wav", 3))
{
filetype = LIBMTP_FILETYPE_WAV;
}
else if (!g_ascii_strncasecmp (ptype, "mp3", 3))
{
filetype = LIBMTP_FILETYPE_MP3;
}
else if (!g_ascii_strncasecmp (ptype, "wma", 3))
{
filetype = LIBMTP_FILETYPE_WMA;
}
else if (!g_ascii_strncasecmp (ptype, "ogg", 3))
{
filetype = LIBMTP_FILETYPE_OGG;
}
else if (!g_ascii_strncasecmp (ptype, "aa", 2))
{
filetype = LIBMTP_FILETYPE_AUDIBLE;
}
else if (!g_ascii_strncasecmp (ptype, "mp4", 3))
{
filetype = LIBMTP_FILETYPE_MP4;
}
else if (!g_ascii_strncasecmp (ptype, "wmv", 3))
{
filetype = LIBMTP_FILETYPE_WMV;
}
else if (!g_ascii_strncasecmp (ptype, "avi", 3))
{
filetype = LIBMTP_FILETYPE_AVI;
}
else if (!g_ascii_strncasecmp (ptype, "mpeg", 4)
|| !g_ascii_strncasecmp (ptype, "mpg", 3))
{
filetype = LIBMTP_FILETYPE_MPEG;
}
else if (!g_ascii_strncasecmp (ptype, "asf", 3))
{
filetype = LIBMTP_FILETYPE_ASF;
}
else if (!g_ascii_strncasecmp (ptype, "qt", 2)
|| !g_ascii_strncasecmp (ptype, "mov", 3))
{
filetype = LIBMTP_FILETYPE_QT;
}
else if (!g_ascii_strncasecmp (ptype, "wma", 3))
{
filetype = LIBMTP_FILETYPE_WMA;
}
else if (!g_ascii_strncasecmp (ptype, "jpg", 3)
|| !g_ascii_strncasecmp (ptype, "jpeg", 4))
{
filetype = LIBMTP_FILETYPE_JPEG;
}
else if (!g_ascii_strncasecmp (ptype, "jfif", 4))
{
filetype = LIBMTP_FILETYPE_JFIF;
}
else if (!g_ascii_strncasecmp (ptype, "tif", 3)
|| !g_ascii_strncasecmp (ptype, "tiff", 4))
{
filetype = LIBMTP_FILETYPE_TIFF;
}
else if (!g_ascii_strncasecmp (ptype, "bmp", 3))
{
filetype = LIBMTP_FILETYPE_BMP;
}
else if (!g_ascii_strncasecmp (ptype, "gif", 3))
{
filetype = LIBMTP_FILETYPE_GIF;
}
else if (!g_ascii_strncasecmp (ptype, "pic", 3)
|| !g_ascii_strncasecmp (ptype, "pict", 4))
{
filetype = LIBMTP_FILETYPE_PICT;
}
else if (!g_ascii_strncasecmp (ptype, "png", 3))
{
filetype = LIBMTP_FILETYPE_PNG;
}
else if (!g_ascii_strncasecmp (ptype, "wmf", 3))
{
filetype = LIBMTP_FILETYPE_WINDOWSIMAGEFORMAT;
}
else if (!g_ascii_strncasecmp (ptype, "ics", 3))
{
filetype = LIBMTP_FILETYPE_VCALENDAR2;
}
else if (!g_ascii_strncasecmp (ptype, "exe", 3)
|| !g_ascii_strncasecmp (ptype, "com", 3)
|| !g_ascii_strncasecmp (ptype, "bat", 3)
|| !g_ascii_strncasecmp (ptype, "dll", 3)
|| !g_ascii_strncasecmp (ptype, "sys", 3))
{
filetype = LIBMTP_FILETYPE_WINEXEC;
}
else if (!g_ascii_strncasecmp (ptype, "txt", 3))
{
filetype = LIBMTP_FILETYPE_TEXT;
}
else if (!g_ascii_strncasecmp (ptype, "htm", 3)
|| !g_ascii_strncasecmp (ptype, "html", 4))
{
filetype = LIBMTP_FILETYPE_HTML;
}
else if (!g_ascii_strncasecmp (ptype, "bin", 3))
{
filetype = LIBMTP_FILETYPE_FIRMWARE;
}
else if (!g_ascii_strncasecmp (ptype, "aac", 3))
{
filetype = LIBMTP_FILETYPE_AAC;
}
else if (!g_ascii_strncasecmp (ptype, "flac", 4)
|| !g_ascii_strncasecmp (ptype, "fla", 3))
{
filetype = LIBMTP_FILETYPE_FLAC;
}
else if (!g_ascii_strncasecmp (ptype, "mp2", 3))
{
filetype = LIBMTP_FILETYPE_MP2;
}
else if (!g_ascii_strncasecmp (ptype, "m4a", 3))
{
filetype = LIBMTP_FILETYPE_M4A;
}
else if (!g_ascii_strncasecmp (ptype, "doc", 3))
{
filetype = LIBMTP_FILETYPE_DOC;
}
else if (!g_ascii_strncasecmp (ptype, "xml", 3))
{
filetype = LIBMTP_FILETYPE_XML;
}
else if (!g_ascii_strncasecmp (ptype, "xls", 3))
{
filetype = LIBMTP_FILETYPE_XLS;
}
else if (!g_ascii_strncasecmp (ptype, "ppt", 3))
{
filetype = LIBMTP_FILETYPE_PPT;
}
else if (!g_ascii_strncasecmp (ptype, "mht", 3))
{
filetype = LIBMTP_FILETYPE_MHT;
}
else if (!g_ascii_strncasecmp (ptype, "jp2", 3))
{
filetype = LIBMTP_FILETYPE_JP2;
}
else if (!g_ascii_strncasecmp (ptype, "jpx", 3))
{
filetype = LIBMTP_FILETYPE_JPX;
}
else
{
DBG ("Sorry, file type \"%s\" is not yet supported", ptype);
DBG ("Tagging as unknown file type.");
filetype = LIBMTP_FILETYPE_UNKNOWN;
}
g_free (ptype);
return filetype;
}
static int
find_storage (const gchar * path)
{
int i;
DBG ("find_storage:%s", path);
for (i = 0; i < 4; i++)
{
if (storageArea[i].storage != NULL)
{
int maxlen = strlen (storageArea[i].storage->StorageDescription);
if (strlen (path + 1) < maxlen)
maxlen = strlen (path + 1);
if (strncmp
(storageArea[i].storage->StorageDescription,
path + 1, maxlen) == 0)
{
DBG ("%s found as %d",
storageArea[i].storage->StorageDescription, i);
return i;
}
}
}
DBG ("could not find storage for %s", path);
return -1;
}
static int
lookup_folder_id (LIBMTP_folder_t * folderlist, gchar * path, gchar * parent)
{
DBG ("lookup_folder_id %s,%s", path, parent);
int ret = -1;
if (folderlist == NULL)
{
return -1;
}
gchar *mypath;
mypath = path;
check_folders ();
if (parent == NULL)
{
if (g_strrstr (path + 1, "/") == NULL)
{
DBG ("Storage dir");
return -2;
}
else
{
DBG ("Strip storage area name");
mypath = strstr (path + 1, "/");
parent = "";
}
}
gchar *current;
current = g_strconcat (parent, "/", folderlist->name, NULL);
LIBMTP_devicestorage_t *storage;
DBG ("compare %s,%s", mypath, current);
if (g_ascii_strcasecmp (mypath, current) == 0)
{
ret = folderlist->folder_id;
}
else if (g_ascii_strncasecmp (mypath, current, strlen (current)) == 0)
{
ret = lookup_folder_id (folderlist->child, mypath, current);
}
if (ret == -1)
{
ret = lookup_folder_id (folderlist->sibling, mypath, parent);
}
g_free (current);
return ret;
}
static int
parse_path (const gchar * path)
{
DBG ("parse_path:%s", path);
int res;
int item_id = -1;
int i;
// Check cached files first
GSList *item;
item = g_slist_find_custom (myfiles, path, (GCompareFunc) strcmp);
if (item != NULL)
return 0;
// Check Playlists
if (strncmp ("/Playlists", path, 10) == 0)
{
LIBMTP_playlist_t *playlist;
res = -ENOENT;
check_playlists ();
playlist = playlists;
while (playlist != NULL)
{
gchar *tmppath;
tmppath = g_strconcat ("/Playlists/", playlist->name, ".m3u", NULL);
if (g_ascii_strcasecmp (path, tmppath) == 0)
{
res = playlist->playlist_id;
g_free (tmppath);
break;
}
g_free (tmppath);
playlist = playlist->next;
}
return res;
}
// Check lost+found
if (strncmp ("/lost+found", path, 11) == 0)
{
GSList *item;
gchar *filename = g_path_get_basename (path);
res = -ENOENT;
for (item = lostfiles; item != NULL; item = g_slist_next (item))
{
LIBMTP_file_t *file = (LIBMTP_file_t *) item->data;
if (strcmp (file->filename, filename) == 0)
{
res = file->item_id;
break;
}
}
g_free (filename);
return res;
}
// Check device
LIBMTP_folder_t *folder;
gchar **fields;
gchar *directory;
directory = (gchar *) g_malloc (strlen (path) + 1);
directory = strcpy (directory, "");
fields = g_strsplit (path, "/", -1);
res = -ENOENT;
int storageid;
storageid = find_storage (path);
if (storageid < 0)
{
return res;
}
for (i = 0; fields[i] != NULL; i++)
{
if (strlen (fields[i]) > 0)
{
if (fields[i + 1] != NULL)
{
directory = strcat (directory, "/");
directory = strcat (directory, fields[i]);
}
else
{
check_folders ();
folder = storageArea[storageid].folders;
int folder_id = 0;
if (strcmp (directory, "") != 0)
{
folder_id = lookup_folder_id (folder, directory, NULL);
}
DBG ("parent id:%d:%s", folder_id, directory);
LIBMTP_file_t *file;
check_files ();
file = files;
while (file != NULL)
{
if ((file->parent_id == folder_id) ||
(folder_id == -2
&& (file->parent_id == 0)
&& (file->storage_id ==
storageArea[storageid].storage->id)))
{
if (file->filename == NULL)
DBG ("MTPFS filename NULL");
if (file->filename != NULL
&&
g_ascii_strcasecmp (file->filename, fields[i]) == 0)
{
DBG ("found:%d:%s", file->item_id, file->filename);
item_id = file->item_id;
break; // found!
}
}
file = file->next;
}
if (item_id < 0)
{
directory = strcat (directory, "/");
directory = strcat (directory, fields[i]);
item_id = lookup_folder_id (folder, directory, NULL);
res = item_id;
break;
}
else
{
res = item_id;
break;
}
}
}
}
g_free (directory);
g_strfreev (fields);
DBG ("parse_path exiting:%s - %d", path, res);
return res;
}
static int
mtpfs_release (const char *path, struct fuse_file_info *fi)
{
enter_lock ("release: %s", path);
// Check cached files first
GSList *item;
item = g_slist_find_custom (myfiles, path, (GCompareFunc) strcmp);
if (item != NULL)
{
if (strncmp ("/Playlists/", path, 11) == 0)
{
save_playlist (path, fi);
close (fi->fh);
return_unlock (0);
}
else
{
//find parent id
gchar *filename = g_strdup ("");
gchar **fields;
gchar *directory;
directory = (gchar *) g_malloc (strlen (path) + 1);
directory = strcpy (directory, "/");
fields = g_strsplit (path, "/", -1);
int i;
int parent_id = 0;
int storageid;
storageid = find_storage (path);
if (storageid < 0)
{
return_unlock (-ENOENT);
}
for (i = 0; fields[i] != NULL; i++)
{
if (strlen (fields[i]) > 0)
{
if (fields[i + 1] == NULL)
{
gchar *tmp = g_strndup (directory,
strlen (directory) - 1);
parent_id =
lookup_folder_id (storageArea
[storageid].folders, tmp, NULL);
g_free (tmp);
if (parent_id < 0)
parent_id = 0;
g_free (filename);
filename = g_strdup (fields[i]);
}
else
{
directory = strcat (directory, fields[i]);
directory = strcat (directory, "/");
}
}
}
DBG ("%s:%s:%d", filename, directory, parent_id);
struct stat st;
uint64_t filesize;
fstat (fi->fh, &st);
filesize = (uint64_t) st.st_size;
// Setup file
int ret;
LIBMTP_filetype_t filetype;
filetype = find_filetype (filename);
#ifdef USEMAD
if (filetype == LIBMTP_FILETYPE_MP3)
{
LIBMTP_track_t *genfile;
genfile = LIBMTP_new_track_t ();
gint songlen;
struct id3_file *id3_fh;
struct id3_tag *tag;
gchar *tracknum;
id3_fh = id3_file_fdopen (fi->fh, ID3_FILE_MODE_READONLY);
tag = id3_file_tag (id3_fh);
genfile->artist = getArtist (tag);
genfile->title = getTitle (tag);
genfile->album = getAlbum (tag);
genfile->genre = getGenre (tag);
genfile->date = getYear (tag);
genfile->usecount = 0;
genfile->parent_id = (uint32_t) parent_id;
genfile->storage_id = storageArea[storageid].storage->id;
/* If there is a songlength tag it will take
* precedence over any length calculated from
* the bitrate and filesize */
songlen = getSonglen (tag);
if (songlen > 0)
{
genfile->duration = songlen * 1000;
}
else
{
genfile->duration = (uint16_t) calc_length (fi->fh) * 1000;
//genfile->duration = 293000;
}
tracknum = getTracknum (tag);
if (tracknum != NULL)
{
genfile->tracknumber = strtoul (tracknum, NULL, 10);
}
else
{
genfile->tracknumber = 0;
}
g_free (tracknum);
// Compensate for missing tag information
if (!genfile->artist)
genfile->artist = g_strdup ("<Unknown>");
if (!genfile->title)
genfile->title = g_strdup ("<Unknown>");
if (!genfile->album)
genfile->album = g_strdup ("<Unknown>");
if (!genfile->genre)
genfile->genre = g_strdup ("<Unknown>");
genfile->filesize = filesize;
genfile->filetype = filetype;
genfile->filename = g_strdup (filename);
//title,artist,genre,album,date,tracknumber,duration,samplerate,nochannels,wavecodec,bitrate,bitratetype,rating,usecount
//DBG("%d:%d:%d",fi->fh,genfile->duration,genfile->filesize);
ret =
LIBMTP_Send_Track_From_File_Descriptor
(device, fi->fh, genfile, NULL, NULL);
id3_file_close (id3_fh);
LIBMTP_destroy_track_t (genfile);
DBG ("Sent TRACK %s", path);
}
else
{
#endif
LIBMTP_file_t *genfile;
genfile = LIBMTP_new_file_t ();
genfile->filesize = filesize;
genfile->filetype = filetype;
genfile->filename = g_strdup (filename);
genfile->parent_id = (uint32_t) parent_id;
genfile->storage_id = storageArea[storageid].storage->id;
ret =
LIBMTP_Send_File_From_File_Descriptor
(device, fi->fh, genfile, NULL, NULL);
LIBMTP_destroy_file_t (genfile);
DBG ("Sent FILE %s", path);
#ifdef USEMAD
}
#endif
if (ret == 0)
{
DBG ("Sent %s", path);
}
else
{
DBG ("Problem sending %s - %d", path, ret);
}
// Cleanup
if (item && item->data)
g_free (item->data);
myfiles = g_slist_remove (myfiles, item->data);
g_strfreev (fields);
g_free (filename);
g_free (directory);
close (fi->fh);
// Refresh filelist
files_changed = TRUE;
return_unlock (ret);
}
}
close (fi->fh);
return_unlock (0);
}
void
mtpfs_destroy (void *buf)
{
enter_lock ("destroy");
if (files)
free_files (files);
int i;
for (i = 0; i < 4; i++)
{
if (storageArea[i].folders)
LIBMTP_destroy_folder_t (storageArea[i].folders);
}
if (playlists)
free_playlists (playlists);
if (device)
LIBMTP_Release_Device (device);
return_unlock ();
}
static int
mtpfs_readdir (const gchar * path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
enter_lock ("readdir %s", path);
LIBMTP_folder_t *folder;
// Add common entries
filler (buf, ".", NULL, 0);
filler (buf, "..", NULL, 0);
// If in root directory
if (strcmp (path, "/") == 0)
{
filler (buf, "Playlists", NULL, 0);
if (lostfiles != NULL)
{
filler (buf, "lost+found", NULL, 0);
}
LIBMTP_devicestorage_t *storage;
for (storage = device->storage; storage != 0; storage = storage->next)
{
struct stat st;
memset (&st, 0, sizeof (st));
st.st_nlink = 2;
st.st_ino = storage->id;
st.st_mode = S_IFREG | 0555;
gchar *name;
filler (buf, storage->StorageDescription, &st, 0);
}
return_unlock (0);
}
// Are we looking at the playlists?
if (strncmp (path, "/Playlists", 10) == 0)
{
DBG ("Checking Playlists");
LIBMTP_playlist_t *playlist;
check_playlists ();
playlist = playlists;
while (playlist != NULL)
{
struct stat st;
memset (&st, 0, sizeof (st));
st.st_ino = playlist->playlist_id;
st.st_mode = S_IFREG | 0666;
gchar *name;
name = g_strconcat (playlist->name, ".m3u", NULL);
DBG ("Playlist:%s", name);
if (filler (buf, name, &st, 0))
{
g_free (name);
break;
}
g_free (name);
playlist = playlist->next;
}
return_unlock (0);
}
// Are we looking at lost+found dir?
if (strncmp (path, "/lost+found", 11) == 0)
{
check_files ();
GSList *item;
for (item = lostfiles; item != NULL; item = g_slist_next (item))
{
LIBMTP_file_t *file = (LIBMTP_file_t *) item->data;
struct stat st;
memset (&st, 0, sizeof (st));
st.st_ino = file->item_id;
st.st_mode = S_IFREG | 0444;
if (filler
(buf,
(file->filename ==
NULL ? "<mtpfs null>" : file->filename), &st, 0))
break;
}
return_unlock (0);
}
// Get storage area
int i;
int storageid = -1;
storageid = find_storage (path);
if (storageid < 0)
{
return_unlock (-ENOENT);
}
// Get folder listing.
int folder_id = 0;
if (strcmp (path, "/") != 0)
{
check_folders ();
folder_id =
lookup_folder_id (storageArea[storageid].folders,
(gchar *) path, NULL);
}
DBG ("Checking folders for %d", storageid);
check_folders ();
if (folder_id == -2)
{
DBG ("Root of storage area");
folder = storageArea[storageid].folders;
}
else
{
folder = LIBMTP_Find_Folder (storageArea[storageid].folders, folder_id);
if (folder == NULL)
return_unlock (0);
folder = folder->child;
}
while (folder != NULL)
{
if ((folder->parent_id == folder_id) ||
(folder_id == -2
&& (folder->storage_id == storageArea[storageid].storage->id)))
{
DBG ("found folder: %s, id %d", folder->name, folder->folder_id);
struct stat st;
memset (&st, 0, sizeof (st));
st.st_ino = folder->folder_id;
st.st_mode = S_IFDIR | 0777;
if (filler (buf, folder->name, &st, 0))
break;
}
folder = folder->sibling;
}
DBG ("Checking folders end");
LIBMTP_destroy_folder_t (folder);
DBG ("Checking files");
// Find files
LIBMTP_file_t *file, *tmp;
check_files ();
file = files;
while (file != NULL)
{
if ((file->parent_id == folder_id) ||
(folder_id == -2 && (file->parent_id == 0)
&& (file->storage_id == storageArea[storageid].storage->id)))
{
struct stat st;
memset (&st, 0, sizeof (st));
st.st_ino = file->item_id;
st.st_mode = S_IFREG | 0444;
if (filler
(buf,
(file->filename ==
NULL ? "<mtpfs null>" : file->filename), &st, 0))
break;
}
tmp = file;
file = file->next;
}
DBG ("readdir exit");
return_unlock (0);
}
static int
mtpfs_getattr_real (const gchar * path, struct stat *stbuf)
{
int ret = 0;
if (path == NULL)
return -ENOENT;
memset (stbuf, 0, sizeof (struct stat));
// Set uid/gid of file