adding number of preferences to allow iterating over preferences

[oweals/gnunet.git] / src / include / gnunet_datacache_plugin.h

diff --git a/src/include/gnunet_datacache_plugin.h b/src/include/gnunet_datacache_plugin.h
index 18268efd78b81ae4daf56170b85d87df651cbd0b..347ed9a59ca29f0e65705bedc4a67fdfc63a7400 100644 (file)
--- a/src/include/gnunet_datacache_plugin.h
+++ b/src/include/gnunet_datacache_plugin.h
@@ -1,10 +1,10 @@
 /*
      This file is part of GNUnet
-     (C) 2006, 2009 Christian Grothoff (and other contributing authors)
+     Copyright (C) 2006, 2009 Christian Grothoff (and other contributing authors)
 
      GNUnet 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, or (at your
+     by the Free Software Foundation; either version 3, or (at your
      option) any later version.
 
      GNUnet is distributed in the hope that it will be useful, but
@@ -107,11 +107,15 @@ struct GNUNET_DATACACHE_PluginFunctions
    * @param data data to store
    * @param type type of the value
    * @param discard_time when to discard the value in any case
-   * @return 0 on error, number of bytes used otherwise
+   * @param path_info_len number of entries in 'path_info'
+   * @param path_info a path through the network
+   * @return 0 if duplicate, -1 on error, number of bytes used otherwise
    */
-       size_t (*put) (void *cls, const struct GNUNET_HashCode * key, size_t size,
-                      const char *data, enum GNUNET_BLOCK_Type type,
-                      struct GNUNET_TIME_Absolute discard_time);
+  ssize_t (*put) (void *cls, const struct GNUNET_HashCode * key, size_t size,
+                 const char *data, enum GNUNET_BLOCK_Type type,
+                 struct GNUNET_TIME_Absolute discard_time,
+                 unsigned int path_info_len,
+                 const struct GNUNET_PeerIdentity *path_info);
 
 
   /**