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3cec87fc6a
git-svn-id: file:///svn/toku/tokudb@10492 c7de825b-a66e-492c-adef-691d508d4ae1
133 lines
3.1 KiB
C
133 lines
3.1 KiB
C
#ifndef BRTTYPES_H
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#define BRTTYPES_H
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#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
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#include <sys/types.h>
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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 500
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#endif
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#define _FILE_OFFSET_BITS 64
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#include "../include/db.h"
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#include <inttypes.h>
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typedef struct brt *BRT;
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struct brt_header;
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struct wbuf;
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typedef unsigned int ITEMLEN;
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typedef const void *bytevec;
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//typedef const void *bytevec;
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typedef int64_t DISKOFF; /* Offset in a disk. -1 is the NULL pointer. */
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typedef u_int64_t TXNID;
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typedef struct s_blocknum { int64_t b; } BLOCKNUM; // make a struct so that we will notice type problems.
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static inline BLOCKNUM make_blocknum(int64_t b) { BLOCKNUM result={b}; return result; }
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static const BLOCKNUM header_blocknum = {0};
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typedef struct {
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u_int32_t len;
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char *data;
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} BYTESTRING;
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/* Make the LSN be a struct instead of an integer so that we get better type checking. */
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typedef struct __toku_lsn { u_int64_t lsn; } LSN;
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#define ZERO_LSN ((LSN){0})
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/* Make the FILEID a struct for the same reason. */
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typedef struct __toku_fileid { u_int32_t fileid; } FILENUM;
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#if !TOKU_WINDOWS && !defined(BOOL_DEFINED)
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#define BOOL_DEFINED
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typedef enum __toku_bool { FALSE=0, TRUE=1} BOOL;
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#endif
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typedef struct tokulogger *TOKULOGGER;
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#define NULL_LOGGER ((TOKULOGGER)0)
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typedef struct tokutxn *TOKUTXN;
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#define NULL_TXN ((TOKUTXN)0)
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struct logged_btt_pair {
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DISKOFF off;
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int32_t size;
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};
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// The data that appears in the log to encode a brtheader. */
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typedef struct loggedbrtheader {
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u_int32_t size;
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u_int32_t flags;
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u_int32_t nodesize;
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BLOCKNUM free_blocks;
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BLOCKNUM unused_blocks;
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int32_t n_named_roots; // -1 for the union below to be "one".
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union {
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struct {
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char **names;
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BLOCKNUM *roots;
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} many;
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struct {
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BLOCKNUM root;
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} one;
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} u;
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BLOCKNUM btt_size; // block translation table size
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DISKOFF btt_diskoff;
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struct logged_btt_pair *btt_pairs;
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} LOGGEDBRTHEADER;
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typedef struct intpairarray {
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u_int32_t size;
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struct intpair {
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u_int32_t a,b;
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} *array;
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} INTPAIRARRAY;
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typedef struct cachetable *CACHETABLE;
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typedef struct cachefile *CACHEFILE;
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/* tree command types */
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enum brt_cmd_type {
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BRT_NONE = 0,
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BRT_INSERT = 1,
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BRT_DELETE_ANY = 2, // Delete any matching key. This used to be called BRT_DELETE.
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BRT_DELETE_BOTH = 3,
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BRT_ABORT_ANY = 4, // Abort any commands on any matching key.
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BRT_ABORT_BOTH = 5, // Abort commands that match both the key and the value
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BRT_COMMIT_ANY = 6,
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BRT_COMMIT_BOTH = 7
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};
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/* tree commands */
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struct brt_cmd {
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enum brt_cmd_type type;
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TXNID xid;
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union {
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/* insert or delete */
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struct brt_cmd_insert_delete {
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DBT *key;
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DBT *val;
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} id;
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} u;
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};
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typedef struct brt_cmd BRT_CMD_S, *BRT_CMD;
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#if !defined(__cplusplus)
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static inline
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BRT_CMD_S
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build_brt_cmd (enum brt_cmd_type type, TXNID xid, DBT *key, DBT *val) {
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BRT_CMD_S result = {type, xid, .u.id={key,val}};
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return result;
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}
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#endif
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#define UU(x) x __attribute__((__unused__))
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typedef struct leafentry *LEAFENTRY;
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struct simple_dbt {
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u_int32_t len;
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void *data;
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};
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#endif
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