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diff --git a/src/fs/gnunet-service-fs_indexing.h b/src/fs/gnunet-service-fs_indexing.h
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+/*
+     This file is part of GNUnet.
+     (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 fs/gnunet-service-fs_indexing.h
+ * @brief indexing for the file-sharing service
+ * @author Christian Grothoff
+ */
+#ifndef GNUNET_SERVICE_FS_INDEXING_H
+#define GNUNET_SERVICE_FS_INDEXING_H
+
+#include "gnunet_block_lib.h"
+#include "gnunet_core_service.h"
+#include "gnunet_datastore_service.h"
+#include "gnunet_peer_lib.h"
+#include "gnunet_protocols.h"
+#include "gnunet_signatures.h"
+#include "gnunet_util_lib.h"
+
+
+/**
+ * We've received an on-demand encoded block from the datastore.
+ * Attempt to do on-demand encoding and (if successful), call the
+ * continuation with the resulting block.  On error, clean up and ask
+ * the datastore for more results.
+ *
+ * @param key key for the content
+ * @param size number of bytes in data
+ * @param data content stored
+ * @param type type of the content
+ * @param priority priority of the content
+ * @param anonymity anonymity-level for the content
+ * @param expiration expiration time for the content
+ * @param uid unique identifier for the datum;
+ *        maybe 0 if no unique identifier is available
+ * @param cont function to call with the actual block (at most once, on success)
+ * @param cont_cls closure for cont
+ * @return GNUNET_OK on success
+ */
+int
+GNUNET_FS_handle_on_demand_block (const GNUNET_HashCode * key, uint32_t size,
+                                  const void *data, enum GNUNET_BLOCK_Type type,
+                                  uint32_t priority, uint32_t anonymity,
+                                  struct GNUNET_TIME_Absolute expiration,
+                                  uint64_t uid,
+                                  GNUNET_DATASTORE_DatumProcessor cont,
+                                  void *cont_cls);
+
+/**
+ * Handle INDEX_START-message.
+ *
+ * @param cls closure
+ * @param client identification of the client
+ * @param message the actual message
+ */
+void
+GNUNET_FS_handle_index_start (void *cls, struct GNUNET_SERVER_Client *client,
+                              const struct GNUNET_MessageHeader *message);
+
+
+/**
+ * Handle INDEX_LIST_GET-message.
+ *
+ * @param cls closure
+ * @param client identification of the client
+ * @param message the actual message
+ */
+void
+GNUNET_FS_handle_index_list_get (void *cls, struct GNUNET_SERVER_Client *client,
+                                 const struct GNUNET_MessageHeader *message);
+
+
+/**
+ * Handle UNINDEX-message.
+ *
+ * @param cls closure
+ * @param client identification of the client
+ * @param message the actual message
+ */
+void
+GNUNET_FS_handle_unindex (void *cls, struct GNUNET_SERVER_Client *client,
+                          const struct GNUNET_MessageHeader *message);
+
+
+/**
+ * Initialize the indexing submodule.
+ *
+ * @param c configuration to use
+ * @param d datastore to use
+ * @return GNUNET_OK on success
+ */
+int
+GNUNET_FS_indexing_init (const struct GNUNET_CONFIGURATION_Handle *c,
+                         struct GNUNET_DATASTORE_Handle *d);
+
+
+/**
+ * Shutdown the module.
+ */
+void
+GNUNET_FS_indexing_done (void);
+
+
+#endif