midx.h

   1 #ifndef __MIDX_H__
   2 #define __MIDX_H__
   3
   4 #include "repository.h"
   5
   6 struct multi_pack_index {
   7         struct multi_pack_index *next;
   8
   9         int fd;
  10
  11         const unsigned char *data;
  12         size_t data_len;
  13
  14         uint32_t signature;
  15         unsigned char version;
  16         unsigned char hash_len;
  17         unsigned char num_chunks;
  18         uint32_t num_packs;
  19         uint32_t num_objects;
  20
  21         int local;
  22
  23         const unsigned char *chunk_pack_names;
  24         const uint32_t *chunk_oid_fanout;
  25         const unsigned char *chunk_oid_lookup;
  26         const unsigned char *chunk_object_offsets;
  27         const unsigned char *chunk_large_offsets;
  28
  29         const char **pack_names;
  30         struct packed_git **packs;
  31         char object_dir[FLEX_ARRAY];
  32 };
  33
  34 struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local);
  35 int prepare_midx_pack(struct multi_pack_index *m, uint32_t pack_int_id);
  36 int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
  37 struct object_id *nth_midxed_object_oid(struct object_id *oid,
  38                                         struct multi_pack_index *m,
  39                                         uint32_t n);
  40 int fill_midx_entry(const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
  41 int midx_contains_pack(struct multi_pack_index *m, const char *idx_name);
  42 int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);
  43
  44 int write_midx_file(const char *object_dir);
  45 void clear_midx_file(const char *object_dir);
  46 int verify_midx_file(const char *object_dir);
  47
  48 #endif