mirror of
https://github.com/haiwen/seafile-server.git
synced 2025-10-30 20:59:34 +00:00
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef BLOCK_BACKEND_H
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#define BLOCK_BACKEND_H
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#include "block.h"
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typedef struct BlockBackend BlockBackend;
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struct BlockBackend {
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BHandle* (*open_block) (BlockBackend *bend,
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const char *store_id, int version,
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const char *block_id, int rw_type);
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int (*read_block) (BlockBackend *bend, BHandle *handle, void *buf, int len);
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int (*write_block) (BlockBackend *bend, BHandle *handle, const void *buf, int len);
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int (*commit_block) (BlockBackend *bend, BHandle *handle);
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int (*close_block) (BlockBackend *bend, BHandle *handle);
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int (*exists) (BlockBackend *bend,
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const char *store_id, int version,
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const char *block_id);
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int (*remove_block) (BlockBackend *bend,
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const char *store_id, int version,
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const char *block_id);
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BMetadata* (*stat_block) (BlockBackend *bend,
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const char *store_id, int version,
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const char *block_id);
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BMetadata* (*stat_block_by_handle) (BlockBackend *bend, BHandle *handle);
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void (*block_handle_free) (BlockBackend *bend, BHandle *handle);
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int (*foreach_block) (BlockBackend *bend,
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const char *store_id,
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int version,
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SeafBlockFunc process,
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void *user_data);
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int (*copy) (BlockBackend *bend,
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const char *src_store_id,
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int src_version,
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const char *dst_store_id,
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int dst_version,
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const char *block_id);
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/* Only valid for version 1 repo. Remove all blocks for the repo. */
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int (*remove_store) (BlockBackend *bend,
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const char *store_id);
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void* be_priv; /* backend private field */
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};
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BlockBackend* load_block_backend (GKeyFile *config);
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#endif
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