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/*
This file is part of GNUnet.
(C) 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 transport/gnunet-service-transport_blacklist.h
* @brief blacklisting API
* @author Christian Grothoff
*/
#ifndef GNUNET_SERVICE_TRANSPORT_BLACKLIST_H
#define GNUNET_SERVICE_TRANSPORT_BLACKLIST_H
#include "gnunet_statistics_service.h"
#include "gnunet_util_lib.h"
/**
* Start blacklist subsystem.
*
* @param server server used to accept clients from
*/
void
GST_blacklist_start (struct GNUNET_SERVER_Handle *server);
/**
* Stop blacklist subsystem.
*/
void
GST_blacklist_stop (void);
/**
* Initialize a blacklisting client. We got a blacklist-init
* message from this client, add him to the list of clients
* to query for blacklisting.
*
* @param cls unused
* @param client the client
* @param message the blacklist-init message that was sent
*/
void
GST_blacklist_handle_init (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message);
/**
* A blacklisting client has sent us reply. Process it.
*
* @param cls unused
* @param client the client
* @param message the blacklist-init message that was sent
*/
void
GST_blacklist_handle_reply (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message);
/**
* Add the given peer to the blacklist (for the given transport).
*
* @param peer peer to blacklist
* @param transport_name transport to blacklist for this peer, NULL for all
*/
void
GST_blacklist_add_peer (const struct GNUNET_PeerIdentity *peer,
const char *transport_name);
/**
* Handle to an active blacklist check.
*/
struct GST_BlacklistCheck;
/**
* Continuation called from a blacklist test.
*
* @param cls closure
* @param peer identity of peer that was tested
* @param result GNUNET_OK if the connection is allowed,
* GNUNET_NO if not
*/
typedef void (*GST_BlacklistTestContinuation) (void *cls,
const struct GNUNET_PeerIdentity
* peer, int result);
/**
* Test if a peer/transport combination is blacklisted.
*
* @param peer the identity of the peer to test
* @param transport_name name of the transport to test, never NULL
* @param cont function to call with result
* @param cont_cls closure for 'cont'
* @return handle to the blacklist check, NULL if the decision
* was made instantly and 'cont' was already called
*/
struct GST_BlacklistCheck *
GST_blacklist_test_allowed (const struct GNUNET_PeerIdentity *peer,
const char *transport_name,
GST_BlacklistTestContinuation cont, void *cont_cls);
/**
* Cancel a blacklist check.
*
* @param bc check to cancel
*/
void
GST_blacklist_test_cancel (struct GST_BlacklistCheck *bc);
#endif
/* end of file gnunet-service-transport_blacklist.h */
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