Allow cloudlog items to be unreferenced in the background.

[bluesky.git] / bluesky / bluesky-private.h

diff --git a/bluesky/bluesky-private.h b/bluesky/bluesky-private.h
index 5bb18f9..7ebd728 100644 (file)
--- a/bluesky/bluesky-private.h
+++ b/bluesky/bluesky-private.h
@@ -187,6 +187,11 @@ typedef enum {
     LOGTYPE_INODE = 2,
     LOGTYPE_INODE_MAP = 3,
     LOGTYPE_CHECKPOINT = 4,
+
+    /* Used only as metadata in the local journal, not loaded as a
+     * BlueSkyCloudLogState nor stored in the cloud */
+    LOGTYPE_JOURNAL_MARKER = 16,
+    LOGTYPE_JOURNAL_CHECKPOINT = 17,
 } BlueSkyCloudLogType;
 
 /* Headers that go on items in local log segments and cloud log segments. */
@@ -208,6 +213,8 @@ struct log_footer {
 
 struct cloudlog_header {
     char magic[4];
+    uint8_t crypt_auth[CRYPTO_HASH_SIZE];
+    uint8_t crypt_iv[CRYPTO_BLOCK_SIZE];
     uint8_t type;
     BlueSkyCloudID id;
     uint64_t inum;
@@ -279,11 +286,15 @@ guint bluesky_cloudlog_hash(gconstpointer a);
 BlueSkyCloudLog *bluesky_cloudlog_new(BlueSkyFS *fs, const BlueSkyCloudID *id);
 gchar *bluesky_cloudlog_id_to_string(BlueSkyCloudID id);
 BlueSkyCloudID bluesky_cloudlog_id_from_string(const gchar *idstr);
+void bluesky_cloudlog_threads_init(BlueSkyFS *fs);
 void bluesky_cloudlog_ref(BlueSkyCloudLog *log);
 void bluesky_cloudlog_unref(BlueSkyCloudLog *log);
+void bluesky_cloudlog_unref_delayed(BlueSkyCloudLog *log);
+void bluesky_cloudlog_erase(BlueSkyCloudLog *log);
 void bluesky_cloudlog_stats_update(BlueSkyCloudLog *log, int type);
 void bluesky_cloudlog_sync(BlueSkyCloudLog *log);
 void bluesky_cloudlog_insert(BlueSkyCloudLog *log);
+void bluesky_cloudlog_insert_locked(BlueSkyCloudLog *log);
 BlueSkyCloudLog *bluesky_cloudlog_get(BlueSkyFS *fs, BlueSkyCloudID id);
 void bluesky_cloudlog_fetch(BlueSkyCloudLog *log);
 BlueSkyCloudPointer bluesky_cloudlog_serialize(BlueSkyCloudLog *log,
@@ -344,6 +355,9 @@ struct _BlueSkyCacheFile {
 BlueSkyLog *bluesky_log_new(const char *log_directory);
 void bluesky_log_item_submit(BlueSkyCloudLog *item, BlueSkyLog *log);
 void bluesky_log_finish_all(GList *log_items);
+BlueSkyCloudLog *bluesky_log_get_commit_point(BlueSkyFS *fs);
+void bluesky_log_write_commit_point(BlueSkyFS *fs, BlueSkyCloudLog *marker);
+
 BlueSkyRCStr *bluesky_log_map_object(BlueSkyFS *fs, int log_dir, int log_seq,
                                      int log_offset, int log_size);
 void bluesky_mmap_unref(BlueSkyCacheFile *mmap);