Move encryption of cloud log segments into background threads.

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

diff --git a/bluesky/bluesky-private.h b/bluesky/bluesky-private.h
index 20079da..5e7ed2f 100644 (file)
--- a/bluesky/bluesky-private.h
+++ b/bluesky/bluesky-private.h
@@ -14,6 +14,7 @@
 #define _BLUESKY_PRIVATE_H
 
 #include "bluesky.h"
+#include <stdlib.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -78,11 +79,13 @@ BlueSkyRCStr *bluesky_crypt_decrypt(BlueSkyRCStr *in, const uint8_t *key);
 void bluesky_crypt_block_encrypt(gchar *cloud_block, size_t len,
                                  BlueSkyCryptKeys *keys);
 gboolean bluesky_crypt_block_decrypt(gchar *cloud_block, size_t len,
-                                     BlueSkyCryptKeys *keys);
+                                     BlueSkyCryptKeys *keys,
+                                     gboolean allow_unauth);
 void bluesky_cloudlog_encrypt(GString *segment, BlueSkyCryptKeys *keys);
 void bluesky_cloudlog_decrypt(char *segment, size_t len,
                               BlueSkyCryptKeys *keys,
-                              BlueSkyRangeset *items);
+                              BlueSkyRangeset *items,
+                              gboolean allow_unauth);
 
 /* Storage layer.  Requests can be performed asynchronously, so these objects
  * help keep track of operations in progress. */
@@ -402,7 +405,8 @@ struct BlueSkyCacheFile {
     int disk_used;
     BlueSkyFS *fs;
     BlueSkyLog *log;
-    gboolean fetching, ready;   // Cloud data: downloading or ready for use
+    gboolean fetching;          // Cloud data: downloading or ready for use
+    gboolean complete;          // Complete file has been fetched from cloud
     int64_t atime;              // Access time, for cache management
     BlueSkyRangeset *items;     // Locations of valid items
     BlueSkyRangeset *prefetches;// Locations we have been requested to prefetch
@@ -414,6 +418,8 @@ 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_cachefile_map_raw(BlueSkyCacheFile *cachefile,
+                                        off_t offset, size_t size);
 BlueSkyRCStr *bluesky_log_map_object(BlueSkyCloudLog *item, gboolean map_data);
 void bluesky_mmap_unref(BlueSkyCacheFile *mmap);
 void bluesky_cachefile_unref(BlueSkyCacheFile *cachefile);
@@ -427,7 +433,10 @@ void bluesky_replay(BlueSkyFS *fs);
 
 /* Used to track log segments that are being written to the cloud. */
 typedef struct {
-    BlueSkyRCStr *data;
+    BlueSkyFS *fs;
+    char *key;                  /* File name for log segment in backend */
+    GString *raw_data;          /* Data before encryption */
+    BlueSkyRCStr *data;         /* Data after encryption */
     GSList *items;
     GMutex *lock;
     GCond *cond;
@@ -469,6 +478,10 @@ void bluesky_inode_map_minimize(BlueSkyFS *fs);
 
 gboolean bluesky_checkpoint_load(BlueSkyFS *fs);
 
+/* Merging of log state with the work of the cleaner. */
+void bluesky_cleaner_merge(BlueSkyFS *fs);
+void bluesky_cleaner_thread_launch(BlueSkyFS *fs);
+
 #ifdef __cplusplus
 }
 #endif