Add proper per-file copyright notices/licenses and top-level license.

[bluesky.git] / bluesky / cleaner.c

diff --git a/bluesky/cleaner.c b/bluesky/cleaner.c
index 5f241d4..3f6b685 100644 (file)
--- a/bluesky/cleaner.c
+++ b/bluesky/cleaner.c
@@ -3,7 +3,29 @@
  * Copyright (C) 2010  The Regents of the University of California
  * Written by Michael Vrable <mvrable@cs.ucsd.edu>
  *
- * TODO: Licensing
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
  */
 
 #include <stdio.h>
@@ -115,7 +137,8 @@ static BlueSkyCleanerItem *bluesky_cleaner_find_checkpoint(BlueSkyFS *fs)
     if (last_segment == NULL)
         return NULL;
 
-    g_print("Last cloud log segment: %s\n", last_segment);
+    g_print("Last cloud log segment: %s (processed up to %d)\n",
+            last_segment, fs->log_state->latest_cleaner_seq_seen);
     int seq = atoi(last_segment + 13);
     g_free(last_segment);
 
@@ -156,7 +179,7 @@ static BlueSkyCleanerItem *bluesky_cleaner_find_checkpoint(BlueSkyFS *fs)
 
     BlueSkyCleanerItem *checkpoint = bluesky_cleaner_deserialize(data);
     checkpoint->location.directory = BLUESKY_CLOUD_DIR_CLEANER;
-    checkpoint->location.directory = seq;
+    checkpoint->location.sequence = seq;
     bluesky_string_unref(data);
 
     return checkpoint;
@@ -302,6 +325,12 @@ void bluesky_cleaner_merge(BlueSkyFS *fs)
         return;
     }
 
+    if (checkpoint->type != LOGTYPE_CHECKPOINT) {
+        g_warning("Last cleaner object not a checkpoint; cleaning probably in progress.");
+        bluesky_cleaner_item_free(checkpoint);
+        return;
+    }
+
     /* Iterate over each of the inode map sections in the checkpoint */
     for (int i = 0; i < checkpoint->links->len; i++) {
         BlueSkyCleanerLink *link = &g_array_index(checkpoint->links,
@@ -331,7 +360,7 @@ void bluesky_cleaner_merge(BlueSkyFS *fs)
         bluesky_cleaner_item_free(imap);
     }
 
-    fs->log_state->latest_cleaner_seq_seen = checkpoint->location.directory;
+    fs->log_state->latest_cleaner_seq_seen = checkpoint->location.sequence;
     bluesky_cleaner_item_free(checkpoint);
 }