Annotation of embedaddon/strongswan/src/libcharon/plugins/ha/ha_cache.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2010 Martin Willi
! 3: * Copyright (C) 2010 revosec AG
! 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 ha_cache ha_cache
! 18: * @{ @ingroup ha
! 19: */
! 20:
! 21: #ifndef HA_CACHE_H_
! 22: #define HA_CACHE_H_
! 23:
! 24: typedef struct ha_cache_t ha_cache_t;
! 25:
! 26: #include "ha_message.h"
! 27: #include "ha_kernel.h"
! 28: #include "ha_socket.h"
! 29:
! 30: #include <collections/enumerator.h>
! 31:
! 32: #include <sa/ike_sa.h>
! 33:
! 34: /**
! 35: * HA message caching facility, allows reintegration of new nodes.
! 36: */
! 37: struct ha_cache_t {
! 38:
! 39: /**
! 40: * Cache an IKE specific message.
! 41: *
! 42: * @param ike_sa associated IKE_SA
! 43: * @param message message to cache
! 44: */
! 45: void (*cache)(ha_cache_t *this, ike_sa_t *ike_sa, ha_message_t *message);
! 46:
! 47: /**
! 48: * Delete a cache entry for an IKE_SA.
! 49: *
! 50: * @param ike_sa cache entry to delete
! 51: */
! 52: void (*delete)(ha_cache_t *this, ike_sa_t *ike_sa);
! 53:
! 54: /**
! 55: * Resync a segment to the node using the cached messages.
! 56: *
! 57: * @param segment segment to resync
! 58: */
! 59: void (*resync)(ha_cache_t *this, u_int segment);
! 60:
! 61: /**
! 62: * Destroy a ha_cache_t.
! 63: */
! 64: void (*destroy)(ha_cache_t *this);
! 65: };
! 66:
! 67: /**
! 68: * Create a ha_cache instance.
! 69: *
! 70: * @param kernel kernel helper
! 71: * @param socket socket to send resync messages
! 72: * @param tunnel HA tunnel
! 73: * @param resync request a resync during startup?
! 74: * @param count total number of segments
! 75: */
! 76: ha_cache_t *ha_cache_create(ha_kernel_t *kernel, ha_socket_t *socket,
! 77: ha_tunnel_t *tunnel, bool resync, u_int count);
! 78:
! 79: #endif /** HA_CACHE_H_ @}*/
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