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Annotation of embedaddon/strongswan/src/libcharon/sa/ikev2/tasks/ike_rekey.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2016 Tobias Brunner
                      3:  * Copyright (C) 2007 Martin Willi
                      4:  * HSR Hochschule fuer Technik Rapperswil
                      5:  *
                      6:  * This program is free software; you can redistribute it and/or modify it
                      7:  * under the terms of the GNU General Public License as published by the
                      8:  * Free Software Foundation; either version 2 of the License, or (at your
                      9:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                     10:  *
                     11:  * This program is distributed in the hope that it will be useful, but
                     12:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     13:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     14:  * for more details.
                     15:  */
                     16: 
                     17: /**
                     18:  * @defgroup ike_rekey ike_rekey
                     19:  * @{ @ingroup tasks_v2
                     20:  */
                     21: 
                     22: #ifndef IKE_REKEY_H_
                     23: #define IKE_REKEY_H_
                     24: 
                     25: typedef struct ike_rekey_t ike_rekey_t;
                     26: 
                     27: #include <library.h>
                     28: #include <sa/ike_sa.h>
                     29: #include <sa/task.h>
                     30: 
                     31: /**
                     32:  * Task of type TASK_IKE_REKEY, rekey an established IKE_SA.
                     33:  */
                     34: struct ike_rekey_t {
                     35: 
                     36:        /**
                     37:         * Implements the task_t interface
                     38:         */
                     39:        task_t task;
                     40: 
                     41:        /**
                     42:         * Check if there was a rekey collision.
                     43:         *
                     44:         * @return                      TRUE if there was a rekey collision before
                     45:         */
                     46:        bool (*did_collide)(ike_rekey_t *this);
                     47: 
                     48:        /**
                     49:         * Register a rekeying task which collides with this one.
                     50:         *
                     51:         * If two peers initiate rekeying at the same time, the collision must
                     52:         * be handled gracefully. The task manager is aware of what exchanges
                     53:         * are going on and notifies the outgoing task by passing the incoming.
                     54:         *
                     55:         * @param other         incoming task
                     56:         */
                     57:        void (*collide)(ike_rekey_t* this, task_t *other);
                     58: };
                     59: 
                     60: /**
                     61:  * Create a new TASK_IKE_REKEY task.
                     62:  *
                     63:  * @param ike_sa               IKE_SA this task works for
                     64:  * @param initiator            TRUE for initiator, FALSE for responder
                     65:  * @return                             TASK_IKE_REKEY task to handle by the task_manager
                     66:  */
                     67: ike_rekey_t *ike_rekey_create(ike_sa_t *ike_sa, bool initiator);
                     68: 
                     69: #endif /** IKE_REKEY_H_ @}*/