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6561bd1af8
svn merge -r 11048:11110 ../tokudb.1510 git-svn-id: file:///svn/toku/tokudb@11112 c7de825b-a66e-492c-adef-691d508d4ae1
68 lines
3.3 KiB
C
68 lines
3.3 KiB
C
/* -*- mode: C; c-basic-offset: 4 -*- */
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#ifndef BLOCKTABLE_H
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#define BLOCKTABLE_H
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#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
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typedef struct block_table *BLOCK_TABLE;
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//Needed by tests, brtdump
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struct block_translation_pair {
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union { // If in the freelist, use next_free_blocknum, otherwise diskoff.
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DISKOFF diskoff;
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BLOCKNUM next_free_blocknum;
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} u;
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DISKOFF size; // set to 0xFFFFFFFFFFFFFFFF for free
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};
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void toku_blocktable_create_new(BLOCK_TABLE *btp);
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void toku_blocktable_create_from_buffer(BLOCK_TABLE *btp, DISKOFF location_on_disk, DISKOFF size_on_disk, unsigned char *translation_buffer);
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void toku_blocktable_destroy(BLOCK_TABLE *btp);
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void toku_block_lock_for_multiple_operations(BLOCK_TABLE bt);
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void toku_block_unlock_for_multiple_operations(BLOCK_TABLE bt);
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void toku_block_translation_note_start_checkpoint_unlocked(BLOCK_TABLE bt);
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void toku_block_translation_note_end_checkpoint(BLOCK_TABLE bt, struct brt_header *h);
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void toku_block_translation_note_failed_checkpoint(BLOCK_TABLE bt);
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void toku_block_translation_note_skipped_checkpoint(BLOCK_TABLE bt);
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void toku_block_translation_truncate_unlocked(BLOCK_TABLE bt, struct brt_header *h);
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void toku_maybe_truncate_cachefile_on_open(BLOCK_TABLE bt, struct brt_header *h);
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//Blocknums
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void toku_allocate_blocknum(BLOCK_TABLE bt, BLOCKNUM *res, struct brt_header * h);
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void toku_allocate_blocknum_unlocked(BLOCK_TABLE bt, BLOCKNUM *res, struct brt_header * h);
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void toku_free_blocknum(BLOCK_TABLE bt, BLOCKNUM *b, struct brt_header * h);
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void toku_verify_blocknum_allocated(BLOCK_TABLE bt, BLOCKNUM b);
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void toku_block_verify_no_free_blocknums(BLOCK_TABLE bt);
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void toku_realloc_fifo_on_disk_unlocked (BLOCK_TABLE, DISKOFF size, DISKOFF *offset);
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void toku_get_fifo_offset_on_disk(BLOCK_TABLE bt, DISKOFF *offset);
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void toku_realloc_descriptor_on_disk(BLOCK_TABLE bt, DISKOFF size, DISKOFF *offset, struct brt_header * h);
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void toku_get_descriptor_offset_size(BLOCK_TABLE bt, DISKOFF *offset, DISKOFF *size);
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//Blocks and Blocknums
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void toku_blocknum_realloc_on_disk(BLOCK_TABLE bt, BLOCKNUM b, DISKOFF size, DISKOFF *offset, struct brt_header * h, BOOL for_checkpoint);
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void toku_translate_blocknum_to_offset_size(BLOCK_TABLE bt, BLOCKNUM b, DISKOFF *offset, DISKOFF *size);
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//Serialization
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void toku_serialize_translation_to_wbuf_unlocked(BLOCK_TABLE bt, struct wbuf *w, int64_t *address, int64_t *size);
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//DEBUG ONLY (brtdump included), tests included
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void toku_blocknum_dump_translation(BLOCK_TABLE bt, BLOCKNUM b);
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void toku_dump_translation_table(FILE *f, BLOCK_TABLE bt);
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void toku_block_alloc(BLOCK_TABLE bt, u_int64_t size, u_int64_t *offset);
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void toku_block_free(BLOCK_TABLE bt, u_int64_t offset);
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typedef int(*BLOCKTABLE_CALLBACK)(BLOCKNUM b, int64_t size, int64_t address, void *extra);
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enum translation_type {TRANSLATION_NONE=0,
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TRANSLATION_CURRENT,
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TRANSLATION_INPROGRESS,
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TRANSLATION_CHECKPOINTED,
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TRANSLATION_DEBUG};
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int toku_blocktable_iterate(BLOCK_TABLE bt, enum translation_type type, BLOCKTABLE_CALLBACK f, void *extra, BOOL data_only, BOOL used_only);
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void toku_blocktable_internal_fragmentation(BLOCK_TABLE bt, int64_t *total_sizep, int64_t *used_sizep);
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//ROOT FIFO (To delete)
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u_int64_t toku_block_allocator_allocated_limit(BLOCK_TABLE bt);
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#endif
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