mariadb/newbrt/brttypes.h
Bradley C. Kuszmaul 33b252772a Merge in the OMT and its integration into the main line.
{{{
$ cd tokudb
$ svn merge -r3533:3571 https://svn.tokutek.com/tokudb/tokudb.724
}}}
 
There remain a few problems with recovery, but the main line has problems with recovery, so let's bite the bullet and move forward.

Fixes #729, #724.


git-svn-id: file:///svn/tokudb@3572 c7de825b-a66e-492c-adef-691d508d4ae1
2008-04-22 20:39:50 +00:00

103 lines
2.4 KiB
C

#ifndef BRTTYPES_H
#define BRTTYPES_H
#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
#include <sys/types.h>
#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE 500
#endif
#define _FILE_OFFSET_BITS 64
#include "../include/db.h"
typedef struct brt *BRT;
struct brt_header;
struct wbuf;
typedef unsigned int ITEMLEN;
typedef const void *bytevec;
//typedef const void *bytevec;
typedef long long DISKOFF; /* Offset in a disk. -1 is the NULL pointer. */
typedef u_int64_t TXNID;
typedef struct {
u_int32_t len;
char *data;
} BYTESTRING;
/* Make the LSN be a struct instead of an integer so that we get better type checking. */
typedef struct __toku_lsn { u_int64_t lsn; } LSN;
#define ZERO_LSN ((LSN){0})
/* Make the FILEID a struct for the same reason. */
typedef struct __toku_fileid { u_int32_t fileid; } FILENUM;
typedef enum __toku_bool { FALSE=0, TRUE=1} BOOL;
typedef struct tokulogger *TOKULOGGER;
#define NULL_LOGGER ((TOKULOGGER)0)
typedef struct tokutxn *TOKUTXN;
#define NULL_TXN ((TOKUTXN)0)
// The data that appears in the log to encode a brtheader. */
typedef struct loggedbrtheader {
u_int32_t size;
u_int32_t flags;
u_int32_t nodesize;
DISKOFF freelist;
DISKOFF unused_memory;
int32_t n_named_roots; // -1 for the union below to be "one".
union {
struct {
char **names;
DISKOFF *roots;
} many;
struct {
DISKOFF root;
} one;
} u;
} LOGGEDBRTHEADER;
typedef struct intpairarray {
u_int32_t size;
struct intpair {
u_int32_t a,b;
} *array;
} INTPAIRARRAY;
typedef struct cachetable *CACHETABLE;
typedef struct cachefile *CACHEFILE;
/* tree command types */
enum brt_cmd_type {
BRT_NONE = 0,
BRT_INSERT = 1,
BRT_DELETE_ANY = 2, // Delete any matching key. This used to be called BRT_DELETE.
BRT_DELETE_BOTH = 3,
BRT_ABORT_ANY = 4, // Abort any commands on any matching key.
BRT_ABORT_BOTH = 5, // Abort commands that match both the key and the value
BRT_COMMIT_ANY = 6,
BRT_COMMIT_BOTH = 7
};
/* tree commands */
struct brt_cmd {
enum brt_cmd_type type;
TXNID xid;
union {
/* insert or delete */
struct brt_cmd_insert_delete {
DBT *key;
DBT *val;
} id;
} u;
};
typedef struct brt_cmd BRT_CMD_S, *BRT_CMD;
#define UU(x) x __attribute__((__unused__))
typedef struct leafentry *LEAFENTRY;
#endif