Return to ha_kernel.h CVS log | Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / strongswan / src / libcharon / plugins / ha |
1.1 misho 1: /* 2: * Copyright (C) 2009 Martin Willi 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 ha_kernel ha_kernel 18: * @{ @ingroup ha 19: */ 20: 21: #ifndef HA_KERNEL_H_ 22: #define HA_KERNEL_H_ 23: 24: typedef struct ha_kernel_t ha_kernel_t; 25: 26: #include "ha_segments.h" 27: 28: /** 29: * HA segment kernel configuration interface. 30: */ 31: struct ha_kernel_t { 32: 33: /** 34: * Get the segment a host is in. 35: * 36: * @param host host to get segment for 37: * @return segment number 38: */ 39: u_int (*get_segment)(ha_kernel_t *this, host_t *host); 40: 41: /** 42: * Get the segment a host/SPI is in, as used for CHILD_SA segmentation. 43: * 44: * @param host host to get segment for 45: * @param spi SPI to include in hash 46: * @return segment number 47: */ 48: u_int (*get_segment_spi)(ha_kernel_t *this, host_t *host, uint32_t spi); 49: 50: /** 51: * Get the segment an arbitrary integer is in. 52: * 53: * @param n integer to segment 54: */ 55: u_int (*get_segment_int)(ha_kernel_t *this, int n); 56: 57: /** 58: * Activate a segment at kernel level for all cluster addresses. 59: * 60: * @param segment segment to activate 61: */ 62: void (*activate)(ha_kernel_t *this, u_int segment); 63: 64: /** 65: * Deactivate a segment at kernel level for all cluster addresses. 66: * 67: * @param segment segment to deactivate 68: */ 69: void (*deactivate)(ha_kernel_t *this, u_int segment); 70: 71: /** 72: * Destroy a ha_kernel_t. 73: */ 74: void (*destroy)(ha_kernel_t *this); 75: }; 76: 77: /** 78: * Create a ha_kernel instance. 79: * 80: * @param count total number of segments to use 81: */ 82: ha_kernel_t *ha_kernel_create(u_int count); 83: 84: #endif /** HA_KERNEL_ @}*/