commit f7fa1a81bcce17656dc039b4d5bfd46360bc0794
Author: Martyn Russell <martyn lanedo com>
Date: Tue Feb 25 16:54:14 2014 +0000
extract: Add _SYMLINK_FAILED error and report symlink() failure in get_heuristic()
libmediaart/extract.c | 446 ++++++++++++++++++++++++++++++-------------------
libmediaart/extract.h | 10 +-
2 files changed, 280 insertions(+), 176 deletions(-)
---
diff --git a/libmediaart/extract.c b/libmediaart/extract.c
index 7af2402..8991d7a 100644
--- a/libmediaart/extract.c
+++ b/libmediaart/extract.c
@@ -393,12 +393,22 @@ convert_from_other_format (const gchar *found,
}
if (artist == NULL || g_strcmp0 (artist, " ") == 0) {
- if (g_rename (target_temp, album_path) == -1) {
- g_debug ("rename(%s, %s) error: %s",
- target_temp,
- album_path,
- g_strerror (errno));
+ retval = g_rename (target_temp, album_path) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_RENAME_FAILED,
+ "Could not rename '%s' to '%s': %s",
+ target_temp,
+ album_path,
+ g_strerror (errno));
}
+
+ g_debug ("rename(%s, %s) error: %s",
+ target_temp,
+ album_path,
+ g_strerror (errno));
} else if (file_get_checksum_if_exists (G_CHECKSUM_MD5,
target_temp,
&sum1,
@@ -415,45 +425,77 @@ convert_from_other_format (const gchar *found,
/* If album-space-md5.jpg is the same as found,
* make a symlink */
-
- if (symlink (album_path, target) != 0) {
- g_debug ("symlink(%s, %s) error: %s",
- album_path,
- target,
- g_strerror (errno));
- retval = FALSE;
- } else {
- retval = TRUE;
+ retval = symlink (album_path, target) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_RENAME_FAILED,
+ "Could not rename '%s' to '%s': %s",
+ album_path,
+ target,
+ g_strerror (errno));
}
+ g_debug ("symlink(%s, %s) error: %s",
+ album_path,
+ target,
+ g_strerror (errno));
+
g_unlink (target_temp);
} else {
/* If album-space-md5.jpg isn't the same as found,
* make a new album-md5-md5.jpg (found -> target) */
-
- if (g_rename (target_temp, album_path) == -1) {
- g_debug ("rename(%s, %s) error: %s",
- target_temp,
- album_path,
- g_strerror (errno));
+ retval = g_rename (target_temp, album_path) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_RENAME_FAILED,
+ "Could not rename '%s' to '%s': %s",
+ target_temp,
+ album_path,
+ g_strerror (errno));
}
+
+ g_debug ("rename(%s, %s) error: %s",
+ target_temp,
+ album_path,
+ g_strerror (errno));
}
g_free (sum2);
} else {
/* If there's not yet a album-space-md5.jpg, make one,
* and symlink album-md5-md5.jpg to it */
- g_rename (target_temp, album_path);
+ retval = g_rename (target_temp, album_path) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_RENAME_FAILED,
+ "Could not rename '%s' to '%s': %s",
+ album_path,
+ target,
+ g_strerror (errno));
+ } else {
+ retval = symlink (album_path, target) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_SYMLINK_FAILED,
+ "Could not rename '%s' to '%s': %s",
+ album_path,
+ target,
+ g_strerror (errno));
+ }
- if (symlink (album_path, target) != 0) {
g_debug ("symlink(%s,%s) error: %s",
- album_path,
- target,
- g_strerror (errno));
- retval = FALSE;
- } else {
- retval = TRUE;
+ album_path,
+ target,
+ g_strerror (errno));
}
}
@@ -725,173 +767,188 @@ get_heuristic (MediaArtType type,
artist,
title);
- if (art_file_path != NULL) {
- if (g_str_has_suffix (art_file_path, "jpeg") ||
- g_str_has_suffix (art_file_path, "jpg")) {
-
- gboolean is_jpeg = FALSE;
- gchar *sum1 = NULL;
+ if (!art_file_path) {
+ // FIXME: Do we GError here?
- if (type != MEDIA_ART_ALBUM ||
- (artist == NULL || g_strcmp0 (artist, " ") == 0)) {
- GFile *art_file;
- GFile *target_file;
- GError *err = NULL;
-
- g_debug ("Album art (JPEG) found in same directory being used:'%s'",
- art_file_path);
-
- target_file = g_file_new_for_path (target);
- art_file = g_file_new_for_path (art_file_path);
+ g_free (art_file_path);
+ g_free (album_art_file_path);
- g_file_copy (art_file,
- target_file,
- 0,
- NULL,
- NULL,
- NULL,
- &err);
+ g_free (target);
+ g_free (artist_stripped);
+ g_free (title_stripped);
- if (err) {
- g_debug ("%s", err->message);
- g_clear_error (&err);
- }
+ return FALSE;
+ }
- g_object_unref (art_file);
- g_object_unref (target_file);
- } else if (file_get_checksum_if_exists (G_CHECKSUM_MD5,
- art_file_path,
- &sum1,
- TRUE,
- &is_jpeg)) {
- /* Avoid duplicate artwork for each track in an album */
- media_art_get_path (NULL,
- title_stripped,
- media_art_type_name [type],
- NULL,
- &album_art_file_path,
- NULL);
+ if (g_str_has_suffix (art_file_path, "jpeg") ||
+ g_str_has_suffix (art_file_path, "jpg")) {
+ gboolean is_jpeg = FALSE;
+ gchar *sum1 = NULL;
+
+ if (type != MEDIA_ART_ALBUM ||
+ (artist == NULL || g_strcmp0 (artist, " ") == 0)) {
+ GFile *art_file;
+ GFile *target_file;
+ GError *local_error = NULL;
+
+ g_debug ("Album art (JPEG) found in same directory being used:'%s'",
+ art_file_path);
+
+ target_file = g_file_new_for_path (target);
+ art_file = g_file_new_for_path (art_file_path);
+
+ g_file_copy (art_file,
+ target_file,
+ 0,
+ NULL,
+ NULL,
+ NULL,
+ &local_error);
+
+ if (local_error) {
+ g_debug ("%s", local_error->message);
+ g_propagate_error (error, local_error);
+ }
- if (is_jpeg) {
- gchar *sum2 = NULL;
-
- g_debug ("Album art (JPEG) found in same directory being used:'%s'",
art_file_path);
-
- if (file_get_checksum_if_exists (G_CHECKSUM_MD5,
- album_art_file_path,
- &sum2,
- FALSE,
- NULL)) {
- if (g_strcmp0 (sum1, sum2) == 0) {
- /* If album-space-md5.jpg is the same as found,
- * make a symlink */
-
- if (symlink (album_art_file_path, target) != 0) {
- g_debug ("symlink(%s, %s) error: %s",
- album_art_file_path,
- target,
- g_strerror (errno));
- retval = FALSE;
- } else {
- retval = TRUE;
- }
- } else {
- GFile *art_file;
- GFile *target_file;
- GError *err = NULL;
-
- /* If album-space-md5.jpg isn't the same as found,
- * make a new album-md5-md5.jpg (found -> target) */
-
- target_file = g_file_new_for_path (target);
- art_file = g_file_new_for_path (art_file_path);
- retval = g_file_copy (art_file,
- target_file,
- 0,
- NULL,
- NULL,
- NULL,
- &err);
- if (err) {
- g_debug ("%s", err->message);
- g_clear_error (&err);
- }
- g_object_unref (art_file);
- g_object_unref (target_file);
+ g_object_unref (art_file);
+ g_object_unref (target_file);
+ } else if (file_get_checksum_if_exists (G_CHECKSUM_MD5,
+ art_file_path,
+ &sum1,
+ TRUE,
+ &is_jpeg)) {
+ /* Avoid duplicate artwork for each track in an album */
+ media_art_get_path (NULL,
+ title_stripped,
+ media_art_type_name [type],
+ NULL,
+ &album_art_file_path,
+ NULL);
+
+ if (is_jpeg) {
+ gchar *sum2 = NULL;
+
+ g_debug ("Album art (JPEG) found in same directory being used:'%s'",
art_file_path);
+
+ if (file_get_checksum_if_exists (G_CHECKSUM_MD5,
+ album_art_file_path,
+ &sum2,
+ FALSE,
+ NULL)) {
+ if (g_strcmp0 (sum1, sum2) == 0) {
+ /* If album-space-md5.jpg is the same as found,
+ * make a symlink */
+ retval = symlink (album_art_file_path, target) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_SYMLINK_FAILED,
+ "Could not link '%s' to '%s': %s",
+ album_art_file_path,
+ target,
+ g_strerror (errno));
}
- g_free (sum2);
+
+ g_debug ("symlink(%s, %s) error: %s",
+ album_art_file_path,
+ target,
+ g_strerror (errno));
} else {
GFile *art_file;
- GFile *album_art_file;
- GError *err = NULL;
-
- /* If there's not yet a album-space-md5.jpg, make one,
- * and symlink album-md5-md5.jpg to it */
+ GFile *target_file;
+ GError *local_error = NULL;
- album_art_file = g_file_new_for_path (album_art_file_path);
+ /* If album-space-md5.jpg isn't the same as found,
+ * make a new album-md5-md5.jpg (found -> target) */
+ target_file = g_file_new_for_path (target);
art_file = g_file_new_for_path (art_file_path);
retval = g_file_copy (art_file,
- album_art_file,
+ target_file,
0,
NULL,
NULL,
NULL,
- &err);
-
- if (err == NULL) {
- if (symlink (album_art_file_path, target) != 0) {
- g_debug ("symlink(%s, %s) error: %s",
- album_art_file_path, target,
- g_strerror (errno));
- retval = FALSE;
- } else {
- retval = TRUE;
- }
- } else {
- g_debug ("%s", err->message);
- g_clear_error (&err);
- retval = FALSE;
- }
+ error);
- g_object_unref (album_art_file);
g_object_unref (art_file);
+ g_object_unref (target_file);
}
+
+ g_free (sum2);
} else {
- g_debug ("Album art found in same directory but not a real JPEG file
(trying to convert): '%s'", art_file_path);
- retval = convert_from_other_format (art_file_path,
- target,
- album_art_file_path,
- artist,
- error);
- }
+ GFile *art_file;
+ GFile *album_art_file;
+ GError *local_error = NULL;
+
+ /* If there's not yet a album-space-md5.jpg, make one,
+ * and symlink album-md5-md5.jpg to it */
+ album_art_file = g_file_new_for_path (album_art_file_path);
+ art_file = g_file_new_for_path (art_file_path);
+ retval = g_file_copy (art_file,
+ album_art_file,
+ 0,
+ NULL,
+ NULL,
+ NULL,
+ error);
+
+ if (retval) {
+ retval = symlink (album_art_file_path, target) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_SYMLINK_FAILED,
+ "Could not link '%s' to '%s': %s",
+ album_art_file_path,
+ target,
+ g_strerror (errno));
+ }
- g_free (sum1);
+ g_debug ("symlink(%s, %s) error: %s",
+ album_art_file_path, target,
+ g_strerror (errno));
+ }
+
+ g_object_unref (album_art_file);
+ g_object_unref (art_file);
+ }
} else {
- /* Can't read contents of the cover.jpg file ... */
- retval = FALSE;
- }
- } else if (g_str_has_suffix (art_file_path, "png")) {
- if (!album_art_file_path) {
- media_art_get_path (NULL,
- title_stripped,
- media_art_type_name[type],
- NULL,
- &album_art_file_path,
- NULL);
+ g_debug ("Album art found in same directory but not a real JPEG file (trying
to convert): '%s'", art_file_path);
+ retval = convert_from_other_format (art_file_path,
+ target,
+ album_art_file_path,
+ artist,
+ error);
}
- g_debug ("Album art (PNG) found in same directory being used:'%s'", art_file_path);
- retval = convert_from_other_format (art_file_path,
- target,
- album_art_file_path,
- artist,
- error);
+ g_free (sum1);
+ } else {
+ /* Can't read contents of the cover.jpg file ... */
+ retval = FALSE;
+ }
+ } else if (g_str_has_suffix (art_file_path, "png")) {
+ if (!album_art_file_path) {
+ media_art_get_path (NULL,
+ title_stripped,
+ media_art_type_name[type],
+ NULL,
+ &album_art_file_path,
+ NULL);
}
- g_free (art_file_path);
- g_free (album_art_file_path);
+ g_debug ("Album art (PNG) found in same directory being used:'%s'", art_file_path);
+ retval = convert_from_other_format (art_file_path,
+ target,
+ album_art_file_path,
+ artist,
+ error);
}
+ g_free (art_file_path);
+ g_free (album_art_file_path);
+
g_free (target);
g_free (artist_stripped);
g_free (title_stripped);
@@ -1010,14 +1067,22 @@ media_art_set (const unsigned char *buffer,
* exist, make one and make a symlink
* to album-md5-md5.jpg
*/
- if (symlink (album_path, local_path) != 0) {
- g_debug ("Creating symlink '%s' --> '%s', %s",
- album_path,
- local_path,
- retval ? g_strerror (errno) : "no error given");
+ retval = symlink (album_path, local_path) == 0;
- retval = FALSE;
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_SYMLINK_FAILED,
+ "Could not link '%s' to '%s': %s",
+ album_path,
+ local_path,
+ g_strerror (errno));
}
+
+ g_debug ("Creating symlink '%s' --> '%s', %s",
+ album_path,
+ local_path,
+ retval ? g_strerror (errno) : "no error given");
}
g_free (album_path);
@@ -1054,6 +1119,17 @@ media_art_set (const unsigned char *buffer,
*/
if (g_strcmp0 (md5_data, md5_album) == 0) {
retval = symlink (album_path, local_path) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_SYMLINK_FAILED,
+ "Could not link '%s' to '%s': %s",
+ album_path,
+ local_path,
+ g_strerror (errno));
+ }
+
g_debug ("Creating symlink '%s' --> '%s', %s",
album_path,
local_path,
@@ -1105,6 +1181,17 @@ media_art_set (const unsigned char *buffer,
* buffer, make a symlink to album-md5-md5.jpg
*/
retval = symlink (album_path, local_path) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_SYMLINK_FAILED,
+ "Could not link '%s' to '%s': %s",
+ album_path,
+ local_path,
+ g_strerror (errno));
+ }
+
g_debug ("Creating symlink '%s' --> '%s', %s",
album_path,
local_path,
@@ -1114,6 +1201,17 @@ media_art_set (const unsigned char *buffer,
* buffer, make a new album-md5-md5.jpg
*/
retval = g_rename (temp, local_path) == 0;
+
+ if (!retval) {
+ g_set_error (error,
+ MEDIA_ART_ERROR,
+ MEDIA_ART_ERROR_RENAME_FAILED,
+ "Could not rename '%s' to '%s': %s",
+ temp,
+ local_path,
+ g_strerror (errno));
+ }
+
g_debug ("Renaming temp file '%s' --> '%s', %s",
temp,
local_path,
diff --git a/libmediaart/extract.h b/libmediaart/extract.h
index 68dd308..a17c8c9 100644
--- a/libmediaart/extract.h
+++ b/libmediaart/extract.h
@@ -51,7 +51,11 @@ typedef enum {
* MediaArtError:
* @MEDIA_ART_ERROR_NO_STORAGE: Storage information is unknown, we
* have no knowledge about removable media.
- * @MEDIA_ART_ERROR_NO_TITLE: Title is required, but was not provided, or was empty.
+ * @MEDIA_ART_ERROR_NO_TITLE: Title is required, but was not provided,
+ * or was empty.
+ * @MEDIA_ART_ERROR_SYMLINK_FAILED: A call to symlink() failed
+ * resulting in the incorrect storage of media art.
+ * @MEDIA_ART_ERROR_RENAME_FAILED: File could not be renamed.
*
* Enumeration values used in errors returned by the
* #MediaArtError API.
@@ -60,7 +64,9 @@ typedef enum {
**/
typedef enum {
MEDIA_ART_ERROR_NO_STORAGE,
- MEDIA_ART_ERROR_NO_TITLE
+ MEDIA_ART_ERROR_NO_TITLE,
+ MEDIA_ART_ERROR_SYMLINK_FAILED,
+ MEDIA_ART_ERROR_RENAME_FAILED
} MediaArtError;
#define MEDIA_ART_ERROR media_art_error_quark ()