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/*
This file is part of GNUnet.
Copyright (C) 2012-2015 GNUnet e.V.
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 Martin Schanzenbach
* @file identity-provider/identity_attribute.h
* @brief GNUnet Identity Provider library
*
*/
#ifndef IDENTITY_ATTRIBUTE_H
#define IDENTITY_ATTRIBUTE_H
#include "gnunet_identity_provider_service.h"
struct Attribute
{
/**
* Attribute type
*/
uint32_t attribute_type;
/**
* Attribute version
*/
uint32_t attribute_version;
/**
* Name length
*/
uint32_t name_len;
/**
* Data size
*/
uint32_t data_size;
//followed by data_size Attribute value data
};
/**
* Get required size for serialization buffer
*
* @param attrs the attribute list to serialize
*
* @return the required buffer size
*/
size_t
attribute_list_serialize_get_size (const struct GNUNET_IDENTITY_PROVIDER_AttributeList *attrs);
void
attribute_list_destroy (struct GNUNET_IDENTITY_PROVIDER_AttributeList *attrs);
/**
* Serialize an attribute list
*
* @param attrs the attribute list to serialize
* @param result the serialized attribute
*
* @return length of serialized data
*/
size_t
attribute_list_serialize (const struct GNUNET_IDENTITY_PROVIDER_AttributeList *attrs,
char *result);
/**
* Deserialize an attribute list
*
* @param data the serialized attribute list
* @param data_size the length of the serialized data
*
* @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
*/
struct GNUNET_IDENTITY_PROVIDER_AttributeList *
attribute_list_deserialize (const char* data,
size_t data_size);
/**
* Get required size for serialization buffer
*
* @param attr the attribute to serialize
*
* @return the required buffer size
*/
size_t
attribute_serialize_get_size (const struct GNUNET_IDENTITY_PROVIDER_Attribute *attr);
/**
* Serialize an attribute
*
* @param attr the attribute to serialize
* @param result the serialized attribute
*
* @return length of serialized data
*/
size_t
attribute_serialize (const struct GNUNET_IDENTITY_PROVIDER_Attribute *attr,
char *result);
/**
* Deserialize an attribute
*
* @param data the serialized attribute
* @param data_size the length of the serialized data
*
* @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
*/
struct GNUNET_IDENTITY_PROVIDER_Attribute *
attribute_deserialize (const char* data,
size_t data_size);
/**
* Create a new attribute.
*
* @param name the attribute name
* @param type the attribute type
* @param data the attribute value
* @param data_size the attribute value size
* @return the new attribute
*/
struct GNUNET_IDENTITY_PROVIDER_Attribute *
attribute_new (const char* attr_name,
uint32_t attr_type,
const void* data,
size_t data_size);
struct GNUNET_IDENTITY_PROVIDER_AttributeList*
attribute_list_dup (const struct GNUNET_IDENTITY_PROVIDER_AttributeList *attrs);
#endif
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