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/*
* Copyright (C) 2001 Ximian Inc.
*
* Authors: Michael Zucchi <notzed@ximian.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _CAMEL_PARTITION_TABLE_H
#define _CAMEL_PARTITION_TABLE_H
#include <camel/camel-object.h>
#include <glib.h>
#include <e-util/e-msgport.h>
#include "camel-block-file.h"
/* ********************************************************************** */
/* CamelPartitionTable - index of key to keyid */
typedef guint32 camel_hash_t; /* a hashed key */
typedef struct _CamelPartitionKey CamelPartitionKey;
typedef struct _CamelPartitionKeyBlock CamelPartitionKeyBlock;
typedef struct _CamelPartitionMap CamelPartitionMap;
typedef struct _CamelPartitionMapBlock CamelPartitionMapBlock;
typedef struct _CamelPartitionTable CamelPartitionTable;
typedef struct _CamelPartitionTable CamelPartitionTableClass;
struct _CamelPartitionKey {
camel_hash_t hashid;
camel_key_t keyid;
};
struct _CamelPartitionKeyBlock {
guint32 used;
struct _CamelPartitionKey keys[(CAMEL_BLOCK_SIZE-4)/sizeof(struct _CamelPartitionKey)];
};
struct _CamelPartitionMap {
camel_hash_t hashid;
camel_block_t blockid;
};
struct _CamelPartitionMapBlock {
camel_block_t next;
guint32 used;
struct _CamelPartitionMap partition[(CAMEL_BLOCK_SIZE-8)/sizeof(struct _CamelPartitionMap)];
};
struct _CamelPartitionTable {
CamelObject parent;
struct _CamelPartitionTablePrivate *priv;
CamelBlockFile *blocks;
camel_block_t rootid;
int (*is_key)(CamelPartitionTable *cpi, const char *key, camel_key_t keyid, void *data);
void *is_key_data;
/* we keep a list of partition blocks active at all times */
EDList partition;
};
struct _CamelPartitionTableClass {
CamelObjectClass parent;
};
CamelType camel_partition_table_get_type(void);
CamelPartitionTable *camel_partition_table_new(struct _CamelBlockFile *bs, camel_block_t root);
int camel_partition_table_sync(CamelPartitionTable *cpi);
int camel_partition_table_add(CamelPartitionTable *cpi, const char *key, camel_key_t keyid);
camel_key_t camel_partition_table_lookup(CamelPartitionTable *cpi, const char *key);
void camel_partition_table_remove(CamelPartitionTable *cpi, const char *key);
/* ********************************************************************** */
/* CamelKeyTable - index of keyid to key and flag and data mapping */
typedef struct _CamelKeyBlock CamelKeyBlock;
typedef struct _CamelKeyRootBlock CamelKeyRootBlock;
typedef struct _CamelKeyTable CamelKeyTable;
typedef struct _CamelKeyTable CamelKeyTableClass;
struct _CamelKeyRootBlock {
camel_block_t first;
camel_block_t last;
camel_key_t free; /* free list */
};
struct _CamelKeyKey {
camel_block_t data;
unsigned int offset:10;
unsigned int flags:22;
};
struct _CamelKeyBlock {
camel_block_t next;
guint32 used;
union {
struct _CamelKeyKey keys[(CAMEL_BLOCK_SIZE-8)/sizeof(struct _CamelKeyKey)];
char keydata[CAMEL_BLOCK_SIZE-8];
} u;
};
#define CAMEL_KEY_TABLE_MAX_KEY (128) /* max size of any key */
struct _CamelKeyTable {
CamelObject parent;
struct _CamelKeyTablePrivate *priv;
CamelBlockFile *blocks;
camel_block_t rootid;
CamelKeyRootBlock *root;
CamelBlock *root_block;
};
struct _CamelKeyTableClass {
CamelObjectClass parent;
};
CamelType camel_key_table_get_type(void);
CamelKeyTable * camel_key_table_new(CamelBlockFile *bs, camel_block_t root);
int camel_key_table_sync(CamelKeyTable *ki);
camel_key_t camel_key_table_add(CamelKeyTable *ki, const char *key, camel_block_t data, unsigned int flags);
void camel_key_table_set_data(CamelKeyTable *ki, camel_key_t keyid, camel_block_t data);
void camel_key_table_set_flags(CamelKeyTable *ki, camel_key_t keyid, unsigned int flags, unsigned int set);
camel_block_t camel_key_table_lookup(CamelKeyTable *ki, camel_key_t keyid, char **key, unsigned int *flags);
camel_key_t camel_key_table_next(CamelKeyTable *ki, camel_key_t next, char **keyp, unsigned int *flagsp, camel_block_t *datap);
#endif /* ! _CAMEL_PARTITION_TABLE_H */
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