JACQUESG / Git-Raw-0.54-TRIAL / deps / libgit2 / src / pack-objects.h 

            

              
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/*
 * Copyright (C) the libgit2 contributors. All rights reserved.
 *
 * This file is part of libgit2, distributed under the GNU GPL v2 with
 * a Linking Exception. For full terms see the included COPYING file.
 */
#ifndef INCLUDE_pack_objects_h__
#define INCLUDE_pack_objects_h__
#include "common.h"
#include "buffer.h"
#include "hash.h"
#include "oidmap.h"
#include "netops.h"
#include "zstream.h"
#include "pool.h"
#include "git2/oid.h"
#include "git2/pack.h"
#define GIT_PACK_WINDOW 10 /* number of objects to possibly delta against */
#define GIT_PACK_DEPTH 50 /* max delta depth */
#define GIT_PACK_DELTA_CACHE_SIZE (256 * 1024 * 1024)
#define GIT_PACK_DELTA_CACHE_LIMIT 1000
#define GIT_PACK_BIG_FILE_THRESHOLD (512 * 1024 * 1024)
typedef struct git_pobject {
        git_oid id;
        git_otype type;
        git_off_t offset;
        size_t size;
        unsigned int hash; /* name hint hash */
        struct git_pobject *delta; /* delta base object */
        struct git_pobject *delta_child; /* deltified objects who bases me */
        struct git_pobject *delta_sibling; /* other deltified objects
                                            * who uses the same base as
                                            * me */
        void *delta_data;
        unsigned long delta_size;
        unsigned long z_delta_size;
        int written:1,
            recursing:1,
            tagged:1,
            filled:1;
} git_pobject;
typedef struct {
        git_oid id;
        unsigned int uninteresting:1,
                seen:1;
} git_walk_object;
struct git_packbuilder {
        git_repository *repo; /* associated repository */
        git_odb *odb; /* associated object database */
        git_hash_ctx ctx;
        git_zstream zstream;
        uint32_t nr_objects,
                 nr_deltified,
                 nr_alloc,
                 nr_written,
                 nr_remaining;
        git_pobject *object_list;
        git_oidmap *object_ix;
        git_oidmap *walk_objects;
        git_pool object_pool;
        git_oid pack_oid; /* hash of written pack */
        /* synchronization objects */
        git_mutex cache_mutex;
        git_mutex progress_mutex;
        git_cond progress_cond;
        /* configs */
        uint64_t delta_cache_size;
        uint64_t max_delta_cache_size;
        uint64_t cache_max_small_delta_size;
        uint64_t big_file_threshold;
        uint64_t window_memory_limit;
        int nr_threads; /* nr of threads to use */
        git_packbuilder_progress progress_cb;
        void *progress_cb_payload;
        double last_progress_report_time; /* the time progress was last reported */
        bool done;
};
int git_packbuilder_write_buf(git_buf *buf, git_packbuilder *pb);
#endif /* INCLUDE_pack_objects_h__ */