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Annotation of embedaddon/strongswan/src/libstrongswan/resolver/resolver_manager.c, 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: #include "resolver_manager.h"
                     17: 
                     18: #include <utils/debug.h>
                     19: 
                     20: typedef struct private_resolver_manager_t private_resolver_manager_t;
                     21: 
                     22: /**
                     23:  * private data of resolver_manager
                     24:  */
                     25: struct private_resolver_manager_t {
                     26: 
                     27:        /**
                     28:         * public functions
                     29:         */
                     30:        resolver_manager_t public;
                     31: 
                     32:        /**
                     33:         * constructor function to create resolver instances
                     34:         */
                     35:        resolver_constructor_t constructor;
                     36: };
                     37: 
                     38: METHOD(resolver_manager_t, add_resolver, void,
                     39:        private_resolver_manager_t *this, resolver_constructor_t constructor)
                     40: {
                     41:        if (!this->constructor)
                     42:        {
                     43:                this->constructor = constructor;
                     44:        }
                     45: }
                     46: 
                     47: METHOD(resolver_manager_t, remove_resolver, void,
                     48:        private_resolver_manager_t *this, resolver_constructor_t constructor)
                     49: {
                     50:        if (this->constructor == constructor)
                     51:        {
                     52:                this->constructor = NULL;
                     53:        }
                     54: }
                     55: 
                     56: METHOD(resolver_manager_t, create, resolver_t*,
                     57:        private_resolver_manager_t *this)
                     58: {
                     59:        if (this->constructor)
                     60:        {
                     61:                return this->constructor();
                     62:        }
                     63:        return NULL;
                     64: }
                     65: 
                     66: METHOD(resolver_manager_t, destroy, void,
                     67:        private_resolver_manager_t *this)
                     68: {
                     69:        free(this);
                     70: }
                     71: 
                     72: /*
                     73:  * See header
                     74:  */
                     75: resolver_manager_t *resolver_manager_create()
                     76: {
                     77:        private_resolver_manager_t *this;
                     78: 
                     79:        INIT(this,
                     80:                        .public = {
                     81:                                .add_resolver = _add_resolver,
                     82:                                .remove_resolver = _remove_resolver,
                     83:                                .create = _create,
                     84:                                .destroy = _destroy,
                     85:                        },
                     86:        );
                     87: 
                     88:        return &this->public;
                     89: }
                     90: