77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* Copyright (C) 2009 Martin Willi
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup attribute_handler attribute_handler
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* @{ @ingroup attributes
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*/
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#ifndef ATTRIBUTE_HANDLER_H_
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#define ATTRIBUTE_HANDLER_H_
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typedef struct attribute_handler_t attribute_handler_t;
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#include <sa/ike_sa.h>
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#include <utils/chunk.h>
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#include <collections/linked_list.h>
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#include "attributes.h"
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/**
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* Interface to handle configuration payload attributes.
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*/
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struct attribute_handler_t {
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/**
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* Handle a configuration attribute.
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*
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* After receiving a configuration attribute, it is passed to each
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* attribute handler until it is handled.
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*
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* @param ike_sa IKE_SA under which attribute is received
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* @param type type of configuration attribute to handle
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* @param data associated attribute data
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* @return TRUE if attribute handled
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*/
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bool (*handle)(attribute_handler_t *this, ike_sa_t *ike_sa,
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configuration_attribute_type_t type, chunk_t data);
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/**
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* Release an attribute handled during handle().
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*
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* A handler that handle()d an attribute gets a call to release() when the
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* connection gets closed. Depending on the implementation, this is required
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* to remove the attribute.
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*
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* @param ike_sa IKE_SA which releases attribute
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* @param type type of configuration attribute to release
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* @param data associated attribute data
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*/
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void (*release)(attribute_handler_t *this, ike_sa_t *ike_sa,
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configuration_attribute_type_t type, chunk_t data);
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/**
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* Enumerate attributes to request from a server.
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*
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* @param ike_sa IKE_SA to request attributes for
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* @param vips list of virtual IPs (host_t*) we are requesting
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* @return enumerator (configuration_attribute_type_t, chunk_t)
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*/
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enumerator_t* (*create_attribute_enumerator)(attribute_handler_t *this,
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ike_sa_t *ike_sa, linked_list_t *vips);
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};
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#endif /** ATTRIBUTE_HANDLER_H_ @}*/
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