The map::at method does not always exist, so instead use map::find.

[cumulus.git] / store.h

diff --git a/store.h b/store.h
index c358770..aa98e30 100644 (file)
--- a/store.h
+++ b/store.h
@@ -1,7 +1,24 @@
-/* LBS: An LFS-inspired filesystem backup system
- * Copyright (C) 2006-2008  Michael Vrable
+/* Cumulus: Smart Filesystem Backup to Dumb Servers
  *
- * Backup data is stored in a collection of objects, which are grouped together
+ * Copyright (C) 2006-2008  The Regents of the University of California
+ * Written by Michael Vrable <mvrable@cs.ucsd.edu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/* Backup data is stored in a collection of objects, which are grouped together
  * into segments for storage purposes.  This implementation of the object store
  * represents segments as TAR files and objects as files within them. */
 
@@ -28,19 +45,6 @@ class LbsObject;
  * metadata.  Currently implemented as map<string, string>. */
 typedef std::map<std::string, std::string> dictionary;
 
-/* IOException will be thrown if an error occurs while reading or writing in
- * one of the I/O wrappers.  Depending upon the context; this may be fatal or
- * not--typically, errors reading/writing the store will be serious, but errors
- * reading an individual file are less so. */
-class IOException : public std::exception {
-private:
-    std::string error;
-public:
-    explicit IOException(const std::string &err) { error = err; }
-    virtual ~IOException() throw () { }
-    std::string getError() const { return error; }
-};
-
 /* Simplified TAR header--we only need to store regular files, don't need to
  * handle long filenames, etc. */
 static const int TAR_BLOCK_SIZE = 512;
@@ -116,6 +120,7 @@ public:
 private:
     struct segment_info {
         Tarfile *file;
+        std::string group;
         std::string name;           // UUID
         int count;                  // Objects written to this segment
         int size;                   // Combined size of objects written