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Annotation of embedaddon/strongswan/src/libstrongswan/resolver/resolver.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2011-2012 Reto Guadagnini
                      3:  * HSR Hochschule fuer Technik Rapperswil
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify it
                      6:  * under the terms of the GNU General Public License as published by the
                      7:  * Free Software Foundation; either version 2 of the License, or (at your
                      8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful, but
                     11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     13:  * for more details.
                     14:  */
                     15: 
                     16: /**
                     17:  * @defgroup resolver_t resolver
                     18:  * @{ @ingroup resolver
                     19:  */
                     20: 
                     21: #ifndef RESOLVER_H_
                     22: #define RESOLVER_H_
                     23: 
                     24: typedef struct resolver_t resolver_t;
                     25: 
                     26: /**
                     27:  * Constructor function which creates DNS resolver instances.
                     28:  */
                     29: typedef resolver_t* (*resolver_constructor_t)(void);
                     30: 
                     31: #include <resolver/resolver_response.h>
                     32: #include <resolver/rr_set.h>
                     33: #include <resolver/rr.h>
                     34: 
                     35: /**
                     36:  * Interface of a security-aware DNS resolver.
                     37:  *
                     38:  */
                     39: struct resolver_t {
                     40: 
                     41:        /**
                     42:         * Perform a DNS query.
                     43:         *
                     44:         * @param domain                domain (FQDN) to query
                     45:         * @param rr_class              class of the desired RRs
                     46:         * @param rr_type               type of the desired RRs
                     47:         * @return                              response to the query, NULL on failure
                     48:         */
                     49:        resolver_response_t *(*query)(resolver_t *this, char *domain,
                     50:                                                                  rr_class_t rr_class, rr_type_t rr_type);
                     51: 
                     52:        /**
                     53:         * Destroy the resolver instance.
                     54:         */
                     55:        void (*destroy)(resolver_t *this);
                     56: };
                     57: 
                     58: #endif /** RESOLVER_H_ @}*/