85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
/*
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* Copyright (C) 2009 Martin Willi
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup ha_kernel ha_kernel
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* @{ @ingroup ha
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*/
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#ifndef HA_KERNEL_H_
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#define HA_KERNEL_H_
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typedef struct ha_kernel_t ha_kernel_t;
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#include "ha_segments.h"
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/**
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* HA segment kernel configuration interface.
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*/
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struct ha_kernel_t {
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/**
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* Get the segment a host is in.
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*
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* @param host host to get segment for
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* @return segment number
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*/
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u_int (*get_segment)(ha_kernel_t *this, host_t *host);
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/**
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* Get the segment a host/SPI is in, as used for CHILD_SA segmentation.
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*
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* @param host host to get segment for
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* @param spi SPI to include in hash
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* @return segment number
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*/
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u_int (*get_segment_spi)(ha_kernel_t *this, host_t *host, uint32_t spi);
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/**
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* Get the segment an arbitrary integer is in.
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*
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* @param n integer to segment
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*/
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u_int (*get_segment_int)(ha_kernel_t *this, int n);
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/**
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* Activate a segment at kernel level for all cluster addresses.
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*
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* @param segment segment to activate
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*/
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void (*activate)(ha_kernel_t *this, u_int segment);
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/**
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* Deactivate a segment at kernel level for all cluster addresses.
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*
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* @param segment segment to deactivate
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*/
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void (*deactivate)(ha_kernel_t *this, u_int segment);
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/**
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* Destroy a ha_kernel_t.
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*/
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void (*destroy)(ha_kernel_t *this);
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};
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/**
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* Create a ha_kernel instance.
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*
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* @param count total number of segments to use
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*/
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ha_kernel_t *ha_kernel_create(u_int count);
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#endif /** HA_KERNEL_ @}*/
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