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Diffstat (limited to 'camel/camel-block-file.h')
-rw-r--r-- | camel/camel-block-file.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/camel/camel-block-file.h b/camel/camel-block-file.h deleted file mode 100644 index e78254e1ed..0000000000 --- a/camel/camel-block-file.h +++ /dev/null @@ -1,142 +0,0 @@ -/* - * 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_BLOCK_FILE_H -#define _CAMEL_BLOCK_FILE_H - -#include <camel/camel-object.h> -#include <glib.h> -#include <e-util/e-msgport.h> -#include <stdio.h> - -typedef guint32 camel_block_t; /* block offset, absolute, bottom BLOCK_SIZE_BITS always 0 */ -typedef guint32 camel_key_t; /* this is a bitfield of (block offset:BLOCK_SIZE_BITS) */ - -typedef struct _CamelBlockRoot CamelBlockRoot; -typedef struct _CamelBlock CamelBlock; -typedef struct _CamelBlockFile CamelBlockFile; -typedef struct _CamelBlockFileClass CamelBlockFileClass; - -#define CAMEL_BLOCK_FILE_SYNC (1<<0) - -#define CAMEL_BLOCK_SIZE (1024) -#define CAMEL_BLOCK_SIZE_BITS (10) /* # bits to contain block_size bytes */ - -#define CAMEL_BLOCK_DIRTY (1<<0) -#define CAMEL_BLOCK_DETACHED (1<<1) - -struct _CamelBlockRoot { - char version[8]; /* version number */ - - guint32 flags; /* flags for file */ - guint32 block_size; /* block size of this file */ - camel_block_t free; /* free block list */ - camel_block_t last; /* pointer to end of blocks */ - - /* subclasses tack on, but no more than CAMEL_BLOCK_SIZE! */ -}; - -/* LRU cache of blocks */ -struct _CamelBlock { - struct _CamelBlock *next; - struct _CamelBlock *prev; - - camel_block_t id; - guint32 flags; - guint32 refcount; - guint32 align00; - - unsigned char data[CAMEL_BLOCK_SIZE]; -}; - -struct _CamelBlockFile { - CamelObject parent; - - struct _CamelBlockFilePrivate *priv; - - char version[8]; - char *path; - int flags; - - int fd; - size_t block_size; - - CamelBlockRoot *root; - CamelBlock *root_block; - - /* make private? */ - int block_cache_limit; - int block_cache_count; - EDList block_cache; - GHashTable *blocks; -}; - -struct _CamelBlockFileClass { - CamelObjectClass parent; - - int (*validate_root)(CamelBlockFile *); - int (*init_root)(CamelBlockFile *); -}; - -CamelType camel_block_file_get_type(void); - -CamelBlockFile *camel_block_file_new(const char *path, int flags, const char version[8], size_t block_size); -int camel_block_file_rename(CamelBlockFile *bs, const char *path); - -CamelBlock *camel_block_file_new_block(CamelBlockFile *bs); -int camel_block_file_free_block(CamelBlockFile *bs, camel_block_t id); -CamelBlock *camel_block_file_get_block(CamelBlockFile *bs, camel_block_t id); -void camel_block_file_detach_block(CamelBlockFile *bs, CamelBlock *bl); -void camel_block_file_attach_block(CamelBlockFile *bs, CamelBlock *bl); -void camel_block_file_touch_block(CamelBlockFile *bs, CamelBlock *bl); -void camel_block_file_unref_block(CamelBlockFile *bs, CamelBlock *bl); -int camel_block_file_sync_block(CamelBlockFile *bs, CamelBlock *bl); -int camel_block_file_sync(CamelBlockFile *bs); - -/* ********************************************************************** */ - -typedef struct _CamelKeyFile CamelKeyFile; -typedef struct _CamelKeyFileClass CamelKeyFileClass; - -struct _CamelKeyFile { - CamelObject parent; - - struct _CamelKeyFilePrivate *priv; - - FILE *fp; - char *path; - int flags; - off_t last; -}; - -struct _CamelKeyFileClass { - CamelObjectClass parent; -}; - -CamelType camel_key_file_get_type(void); - -CamelKeyFile * camel_key_file_new(const char *path, int flags, const char version[8]); -int camel_key_file_rename(CamelKeyFile *kf, const char *path); - -int camel_key_file_write(CamelKeyFile *kf, camel_block_t *parent, size_t len, camel_key_t *records); -int camel_key_file_read(CamelKeyFile *kf, camel_block_t *start, size_t *len, camel_key_t **records); - - -#endif /* ! _CAMEL_BLOCK_FILE_H */ |