midx.h

   1 #ifndef MIDX_H
   2 #define MIDX_H
   3
   4 #include "repository.h"
   5
   6 struct object_id;
   7 struct pack_entry;
   8
   9 #define GIT_TEST_MULTI_PACK_INDEX "GIT_TEST_MULTI_PACK_INDEX"
  10
  11 struct multi_pack_index {
  12         struct multi_pack_index *next;
  13
  14         int fd;
  15
  16         const unsigned char *data;
  17         size_t data_len;
  18
  19         uint32_t signature;
  20         unsigned char version;
  21         unsigned char hash_len;
  22         unsigned char num_chunks;
  23         uint32_t num_packs;
  24         uint32_t num_objects;
  25
  26         int local;
  27
  28         const unsigned char *chunk_pack_names;
  29         const uint32_t *chunk_oid_fanout;
  30         const unsigned char *chunk_oid_lookup;
  31         const unsigned char *chunk_object_offsets;
  32         const unsigned char *chunk_large_offsets;
  33
  34         const char **pack_names;
  35         struct packed_git **packs;
  36         char object_dir[FLEX_ARRAY];
  37 };
  38
  39 struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local);
  40 int prepare_midx_pack(struct multi_pack_index *m, uint32_t pack_int_id);
  41 int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
  42 struct object_id *nth_midxed_object_oid(struct object_id *oid,
  43                                         struct multi_pack_index *m,
  44                                         uint32_t n);
  45 int fill_midx_entry(const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
  46 int midx_contains_pack(struct multi_pack_index *m, const char *idx_or_pack_name);
  47 int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);
  48
  49 int write_midx_file(const char *object_dir);
  50 void clear_midx_file(struct repository *r);
  51 int verify_midx_file(const char *object_dir);
  52
  53 void close_midx(struct multi_pack_index *m);
  54
  55 #endif