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- /*
- This file is part of GNUnet.
- 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 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
- */
- /**
- * @author Christian Grothoff
- *
- * @file
- * Helper library for interning of peer identifiers
- *
- * @defgroup peer Peer library
- * Helper library for interning of peer identifiers
- * @{
- */
- #ifndef GNUNET_PEER_LIB_H
- #define GNUNET_PEER_LIB_H
- #include "gnunet_util_lib.h"
- #ifdef __cplusplus
- extern "C"
- {
- #if 0 /* keep Emacsens' auto-indent happy */
- }
- #endif
- #endif
- /**
- * A GNUNET_PEER_Id is simply a shorter version of a "struct
- * GNUNET_PeerIdentifier" that can be used inside of a GNUnet peer to
- * save memory when the same identifier needs to be used over and over
- * again.
- */
- typedef unsigned int GNUNET_PEER_Id;
- /**
- * Search for a peer identity. The reference counter is not changed.
- *
- * @param pid identity to find
- * @return the interned identity or 0.
- */
- GNUNET_PEER_Id
- GNUNET_PEER_search (const struct GNUNET_PeerIdentity *pid);
- /**
- * Intern an peer identity. If the identity is already known, its
- * reference counter will be increased by one.
- *
- * @param pid identity to intern
- * @return the interned identity.
- */
- GNUNET_PEER_Id
- GNUNET_PEER_intern (const struct GNUNET_PeerIdentity *pid);
- /**
- * Change the reference counter of an interned PID.
- *
- * @param id identity to change the RC of
- * @param delta how much to change the RC
- */
- void
- GNUNET_PEER_change_rc (GNUNET_PEER_Id id, int delta);
- /**
- * Decrement multiple RCs of peer identities by one.
- *
- * @param ids array of PIDs to decrement the RCs of
- * @param count size of the @a ids array
- */
- void
- GNUNET_PEER_decrement_rcs (const GNUNET_PEER_Id *ids,
- unsigned int count);
- /**
- * Convert an interned PID to a normal peer identity.
- *
- * @param id interned PID to convert
- * @param pid where to write the normal peer identity
- */
- void
- GNUNET_PEER_resolve (GNUNET_PEER_Id id,
- struct GNUNET_PeerIdentity *pid);
- /**
- * Convert an interned PID to a normal peer identity.
- *
- * @param id interned PID to convert
- * @return pointer to peer identity, valid as long @a id is valid
- */
- const struct GNUNET_PeerIdentity *
- GNUNET_PEER_resolve2 (GNUNET_PEER_Id id);
- #if 0 /* keep Emacsens' auto-indent happy */
- {
- #endif
- #ifdef __cplusplus
- }
- #endif
- /* ifndef GNUNET_PEER_LIB_H */
- #endif
- /** @} */ /* end of group */
- /* end of gnunet_peer_lib.h */
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