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Annotation of embedaddon/strongswan/src/libstrongswan/resolver/resolver_manager.c, revision 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: