1 files changed, 90 insertions, 0 deletions

diff --git a/src/dht/gnunet-service-wdht_datacache.h b/src/dht/gnunet-service-wdht_datacache.h
new file mode 100644
index 000000000..a8f37fa63
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+++ b/src/dht/gnunet-service-wdht_datacache.h
@@ -0,0 +1,90 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2009, 2010, 2011 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 3, or (at your
+     option) any later version.
+
+     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file dht/gnunet-service-dht_datacache.h
+ * @brief GNUnet DHT service's datacache integration
+ * @author Christian Grothoff
+ * @author Nathan Evans
+ */
+#ifndef GNUNET_SERVICE_DHT_DATACACHE_H
+#define GNUNET_SERVICE_DHT_DATACACHE_H
+
+#include "gnunet_util_lib.h"
+#include "gnunet_block_lib.h"
+
+/**
+ * Handle a datum we've received from another peer.  Cache if
+ * possible.
+ *
+ * @param expiration when will the reply expire
+ * @param key the query this reply is for
+ * @param put_path_length number of peers in 'put_path'
+ * @param put_path path the reply took on put
+ * @param type type of the reply
+ * @param data_size number of bytes in 'data'
+ * @param data application payload data
+ */
+void
+GDS_DATACACHE_handle_put (struct GNUNET_TIME_Absolute expiration,
+                          const struct GNUNET_HashCode * key,
+                          unsigned int put_path_length,
+                          const struct GNUNET_PeerIdentity *put_path,
+                          enum GNUNET_BLOCK_Type type, size_t data_size,
+                          const void *data);
+
+
+/**
+ * Handle a GET request we've received from another peer.
+ *
+ * @param key the query
+ * @param type requested data type
+ * @param xquery extended query
+ * @param xquery_size number of bytes in xquery
+ * @param reply_bf where the reply bf is (to be) stored, possibly updated!, can be NULL
+ * @param reply_bf_mutator mutation value for reply_bf
+ * @return evaluation result for the local replies
+ */
+enum GNUNET_BLOCK_EvaluationResult
+GDS_DATACACHE_handle_get (const struct GNUNET_HashCode * key,
+                          enum GNUNET_BLOCK_Type type, const void *xquery,
+                          size_t xquery_size,
+                          struct GNUNET_CONTAINER_BloomFilter **reply_bf,
+                          uint32_t reply_bf_mutator,
+                          uint32_t get_path_length,
+                          struct GNUNET_PeerIdentity *get_path,
+                          struct GNUNET_PeerIdentity *next_hop,
+                          struct GNUNET_PeerIdentity *source_peer);
+
+
+/**
+ * Initialize datacache subsystem.
+ */
+void
+GDS_DATACACHE_init (void);
+
+
+/**
+ * Shutdown datacache subsystem.
+ */
+void
+GDS_DATACACHE_done (void);
+
+#endif