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 struct repository;
   9
  10 #define GIT_TEST_MULTI_PACK_INDEX "GIT_TEST_MULTI_PACK_INDEX"
  11
  12 struct multi_pack_index {
  13         struct multi_pack_index *next;
  14
  15         int fd;
  16
  17         const unsigned char *data;
  18         size_t data_len;
  19
  20         uint32_t signature;
  21         unsigned char version;
  22         unsigned char hash_len;
  23         unsigned char num_chunks;
  24         uint32_t num_packs;
  25         uint32_t num_objects;
  26
  27         int local;
  28
  29         const unsigned char *chunk_pack_names;
  30         const uint32_t *chunk_oid_fanout;
  31         const unsigned char *chunk_oid_lookup;
  32         const unsigned char *chunk_object_offsets;
  33         const unsigned char *chunk_large_offsets;
  34
  35         const char **pack_names;
  36         struct packed_git **packs;
  37         char object_dir[FLEX_ARRAY];
  38 };
  39
  40 struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local);
  41 int prepare_midx_pack(struct repository *r, struct multi_pack_index *m, uint32_t pack_int_id);
  42 int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
  43 struct object_id *nth_midxed_object_oid(struct object_id *oid,
  44                                         struct multi_pack_index *m,
  45                                         uint32_t n);
  46 int fill_midx_entry(struct repository *r, const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
  47 int midx_contains_pack(struct multi_pack_index *m, const char *idx_or_pack_name);
  48 int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);
  49
  50 int write_midx_file(const char *object_dir);
  51 void clear_midx_file(struct repository *r);
  52 int verify_midx_file(struct repository *r, const char *object_dir);
  53 int expire_midx_packs(struct repository *r, const char *object_dir);
  54 int midx_repack(struct repository *r, const char *object_dir, size_t batch_size);
  55
  56 void close_midx(struct multi_pack_index *m);
  57
  58 #endif