2 * Copyright (C) the libgit2 contributors. All rights reserved.
4 * This file is part of libgit2, distributed under the GNU GPL v2 with
5 * a Linking Exception. For full terms see the included COPYING file.
8 #ifndef INCLUDE_pack_objects_h__
9 #define INCLUDE_pack_objects_h__
21 #include "git2/pack.h"
23 #define GIT_PACK_WINDOW 10 /* number of objects to possibly delta against */
24 #define GIT_PACK_DEPTH 50 /* max delta depth */
25 #define GIT_PACK_DELTA_CACHE_SIZE (256 * 1024 * 1024)
26 #define GIT_PACK_DELTA_CACHE_LIMIT 1000
27 #define GIT_PACK_BIG_FILE_THRESHOLD (512 * 1024 * 1024)
29 typedef struct git_pobject
{
36 unsigned int hash
; /* name hint hash */
38 struct git_pobject
*delta
; /* delta base object */
39 struct git_pobject
*delta_child
; /* deltified objects who bases me */
40 struct git_pobject
*delta_sibling
; /* other deltified objects
41 * who uses the same base as
45 unsigned long delta_size
;
46 unsigned long z_delta_size
;
56 unsigned int uninteresting
:1,
60 struct git_packbuilder
{
61 git_repository
*repo
; /* associated repository */
62 git_odb
*odb
; /* associated object database */
72 git_pobject
*object_list
;
74 git_oidmap
*object_ix
;
76 git_oidmap
*walk_objects
;
79 git_oid pack_oid
; /* hash of written pack */
81 /* synchronization objects */
82 git_mutex cache_mutex
;
83 git_mutex progress_mutex
;
84 git_cond progress_cond
;
87 uint64_t delta_cache_size
;
88 uint64_t max_delta_cache_size
;
89 uint64_t cache_max_small_delta_size
;
90 uint64_t big_file_threshold
;
91 uint64_t window_memory_limit
;
93 int nr_threads
; /* nr of threads to use */
95 git_packbuilder_progress progress_cb
;
96 void *progress_cb_payload
;
97 double last_progress_report_time
; /* the time progress was last reported */
102 int git_packbuilder_write_buf(git_buf
*buf
, git_packbuilder
*pb
);
104 #endif /* INCLUDE_pack_objects_h__ */