[rhythmbox] ext-db: split files across subdirectories as numbers increase

[Jonathan Matthew <jmatthew src gnome org>]

commit f2f8f019a13bae244f89489709b9eb3632460009
Author: Jonathan Matthew <jonathan d14n org>
Date:   Wed Dec 24 17:00:44 2014 +1000

    ext-db: split files across subdirectories as numbers increase

 metadata/rb-ext-db.c |   35 +++++++++++++++++++++++++++++++----
 1 files changed, 31 insertions(+), 4 deletions(-)
---
diff --git a/metadata/rb-ext-db.c b/metadata/rb-ext-db.c
index 52773b1..ab14b6a 100644
--- a/metadata/rb-ext-db.c
+++ b/metadata/rb-ext-db.c
@@ -917,18 +917,41 @@ do_store_request (GSimpleAsyncResult *result, GObject *object, GCancellable *can
        if (file_data != NULL && file_data_size > 0) {
                GFile *f;
                GError *error = NULL;
+               char *subdir = NULL;
+               char *basename = NULL;
+               char *fullsubdir;
 
                if (filename == NULL) {
-                       filename = g_strdup_printf ("%8.8x", tdb_get_seqnum (store->priv->tdb_context));
-                       rb_debug ("generated filename %s", filename);
+                       int seq;
+
+                       seq = tdb_get_seqnum (store->priv->tdb_context);
+                       if (seq > 0xffffff) {
+                               subdir = g_strdup_printf ("%3.3x%s%3.3x", seq >> 24, G_DIR_SEPARATOR_S, (seq 
> > 12) & 0xfff);
+                       } else if (seq > 0xfff) {
+                               subdir = g_strdup_printf ("%3.3x", seq >> 12);
+                       } else {
+                               subdir = g_strdup (".");
+                       }
+                       basename = g_strdup_printf ("%3.3x", seq & 0xfff);
+                       rb_debug ("generated filename %s, subdir %s", basename, subdir ? subdir : "none");
+                       filename = g_build_filename (subdir, basename, NULL);
                } else {
-                       rb_debug ("using existing filename %s", filename);
+                       basename = g_path_get_basename (filename);
+                       subdir = g_path_get_dirname (filename);
+                       rb_debug ("using existing filename %s (basename %s, subdir %s)", filename, basename, 
subdir);
                }
 
+               fullsubdir = g_build_filename (rb_user_cache_dir (), store->priv->name, subdir, NULL);
+               /* ignore errors, g_file_replace_contents will fail too, and it'll explain */
+               g_mkdir_with_parents (fullsubdir, 0770);
+               g_free (fullsubdir);
+
                req->filename = g_build_filename (rb_user_cache_dir (),
                                                  store->priv->name,
-                                                 filename,
+                                                 subdir,
+                                                 basename,
                                                  NULL);
+
                f = g_file_new_for_path (req->filename);
 
                g_file_replace_contents (f,
@@ -946,6 +969,10 @@ do_store_request (GSimpleAsyncResult *result, GObject *object, GCancellable *can
                } else {
                        req->stored = TRUE;
                }
+
+               g_free (basename);
+               g_free (subdir);
+
                g_object_unref (f);
        } else if (req->source_type == RB_EXT_DB_SOURCE_NONE) {
                req->stored = TRUE;