1 files changed, 103 insertions, 0 deletions
diff --git a/src/include/gnunet_peer_lib.h b/src/include/gnunet_peer_lib.h
new file mode 100644
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+++ b/src/include/gnunet_peer_lib.h
@@ -0,0 +1,103 @@
+/*
+     This file is part of GNUnet.
+     (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
+     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 include/gnunet_peer_lib.h
+ * @brief helper library for interning of peer identifiers
+ * @author Christian Grothoff
+ */
+
+#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 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);
+
+
+/* ifndef GNUNET_PEER_LIB_H */
+#endif
+/* end of gnunet_peer_lib.h */