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- /*
- This file is part of GNUnet.
- Copyright (C) 2009, 2010, 2011 GNUnet e.V.
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- 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
- Affero General Public License for more details.
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- SPDX-License-Identifier: AGPL3.0-or-later
- */
- /**
- * @file core/gnunet-service-core_kx.h
- * @brief code for managing the key exchange (SET_KEY, PING, PONG) with other peers
- * @author Christian Grothoff
- */
- #ifndef GNUNET_SERVICE_CORE_KX_H
- #define GNUNET_SERVICE_CORE_KX_H
- #include "gnunet_util_lib.h"
- #include "gnunet_transport_service.h"
- /**
- * Information about the status of a key exchange with another peer.
- */
- struct GSC_KeyExchangeInfo;
- /**
- * Encrypt and transmit a message with the given payload.
- *
- * @param kx key exchange context
- * @param payload payload of the message
- * @param payload_size number of bytes in 'payload'
- */
- void
- GSC_KX_encrypt_and_transmit (struct GSC_KeyExchangeInfo *kx,
- const void *payload,
- size_t payload_size);
- /**
- * Initialize KX subsystem.
- *
- * @param pk private key to use for the peer
- * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
- */
- int
- GSC_KX_init (struct GNUNET_CRYPTO_EddsaPrivateKey *pk);
- /**
- * Shutdown KX subsystem.
- */
- void
- GSC_KX_done (void);
- /**
- * Check if the given neighbour has excess bandwidth available.
- *
- * @param target neighbour to check
- * @return #GNUNET_YES if excess bandwidth is available, #GNUNET_NO if not
- */
- int
- GSC_NEIGHBOURS_check_excess_bandwidth (const struct
- GSC_KeyExchangeInfo *target);
- /**
- * Check how many messages are queued for the given neighbour.
- *
- * @param target neighbour to check
- * @return number of items in the message queue
- */
- unsigned int
- GSC_NEIGHBOURS_get_queue_length (const struct GSC_KeyExchangeInfo *target);
- /**
- * Handle #GNUNET_MESSAGE_TYPE_CORE_MONITOR_PEERS request. For this
- * request type, the client does not have to have transmitted an INIT
- * request. All current peers are returned, regardless of which
- * message types they accept.
- *
- * @param mq message queue to add for monitoring
- */
- void
- GSC_KX_handle_client_monitor_peers (struct GNUNET_MQ_Handle *mq);
- #endif
- /* end of gnunet-service-core_kx.h */
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