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- /*
- This file is part of GNUnet.
- Copyright (C) 2009-2013, 2016 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 abd/abd_serialization.h
- * @brief API to serialize and deserialize delegation chains
- * and abds
- * @author Martin Schanzenbach
- */
- #ifndef ABD_SERIALIZATION_H
- #define ABD_SERIALIZATION_H
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #include "gnunet_constants.h"
- #include "gnunet_abd_service.h"
- /**
- * Calculate how many bytes we will need to serialize
- * the given delegation record
- *
- * @param ds_count number of delegation chain entries
- * @param dsr array of #GNUNET_ABD_Delegation
- * @return the required size to serialize
- */
- size_t
- GNUNET_ABD_delegation_set_get_size (
- unsigned int ds_count,
- const struct GNUNET_ABD_DelegationSet *dsr);
- /**
- * Serizalize the given delegation record entries
- *
- * @param d_count number of delegation chain entries
- * @param dsr array of #GNUNET_ABD_Delegation
- * @param dest_size size of the destination
- * @param dest where to store the result
- * @return the size of the data, -1 on failure
- */
- ssize_t
- GNUNET_ABD_delegation_set_serialize (
- unsigned int d_count,
- const struct GNUNET_ABD_DelegationSet *dsr,
- size_t dest_size,
- char *dest);
- /**
- * Deserialize the given destination
- *
- * @param len size of the serialized delegation recird
- * @param src the serialized data
- * @param d_count the number of delegation chain entries
- * @param dsr where to put the delegation chain entries
- * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
- */
- int
- GNUNET_ABD_delegation_set_deserialize (
- size_t len,
- const char *src,
- unsigned int d_count,
- struct GNUNET_ABD_DelegationSet *dsr);
- /**
- * Calculate how many bytes we will need to serialize
- * the given delegation chain and abd
- *
- * @param d_count number of delegation chain entries
- * @param dd array of #GNUNET_ABD_Delegation
- * @param c_count number of abd entries
- * @param cd a #GNUNET_ABD_Delegate
- * @return the required size to serialize
- */
- size_t
- GNUNET_ABD_delegation_chain_get_size (
- unsigned int d_count,
- const struct GNUNET_ABD_Delegation *dd,
- unsigned int c_count,
- const struct GNUNET_ABD_Delegate *cd);
- /**
- * Serizalize the given delegation chain entries and abd
- *
- * @param d_count number of delegation chain entries
- * @param dd array of #GNUNET_ABD_Delegation
- * @param c_count number of abd entries
- * @param cd a #GNUNET_ABD_Delegate
- * @param dest_size size of the destination
- * @param dest where to store the result
- * @return the size of the data, -1 on failure
- */
- ssize_t
- GNUNET_ABD_delegation_chain_serialize (
- unsigned int d_count,
- const struct GNUNET_ABD_Delegation *dd,
- unsigned int c_count,
- const struct GNUNET_ABD_Delegate *cd,
- size_t dest_size,
- char *dest);
- /**
- * Deserialize the given destination
- *
- * @param len size of the serialized delegation chain and cred
- * @param src the serialized data
- * @param d_count the number of delegation chain entries
- * @param dd where to put the delegation chain entries
- * @param c_count number of abd entries
- * @param cd where to put the abd data
- * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
- */
- int
- GNUNET_ABD_delegation_chain_deserialize (
- size_t len,
- const char *src,
- unsigned int d_count,
- struct GNUNET_ABD_Delegation *dd,
- unsigned int c_count,
- struct GNUNET_ABD_Delegate *cd);
- size_t
- GNUNET_ABD_delegates_get_size (
- unsigned int c_count,
- const struct GNUNET_ABD_Delegate *cd);
- ssize_t
- GNUNET_ABD_delegates_serialize (
- unsigned int c_count,
- const struct GNUNET_ABD_Delegate *cd,
- size_t dest_size,
- char *dest);
- int
- GNUNET_ABD_delegates_deserialize (size_t len,
- const char *src,
- unsigned int c_count,
- struct GNUNET_ABD_Delegate *cd);
- int
- GNUNET_ABD_delegate_serialize (struct GNUNET_ABD_Delegate *cred,
- char **data);
- struct GNUNET_ABD_Delegate *
- GNUNET_ABD_delegate_deserialize (const char *data, size_t data_size);
- #endif
- /* end of abd_serialization.h */
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