thodg/got/lib/got_lib_object.h

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• Hash : db9b9b1c
  Author :
  Date : 2022-06-14T20:26:15
  

  let got-read-pack be explicit about whether it could enumerate all objects This allows the main process to avoid looping over all object IDs again in case the pack file used for enumeration is complete. ok op@

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• lib/got_lib_object.h

• /*
   * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  struct got_object {
  	int type;
  
  	int flags;
  #define GOT_OBJ_FLAG_PACKED		0x01
  #define GOT_OBJ_FLAG_DELTIFIED		0x02
  
  	size_t hdrlen;
  	size_t size;
  	struct got_object_id id;
  
  	int pack_idx;		/* if packed */
  	off_t pack_offset;	/* if packed */
  	struct got_delta_chain deltas; /* if deltified */
  	int refcnt;		/* > 0 if open and/or cached */
  };
  
  struct got_raw_object {
  	FILE *f;		/* NULL if data buffer is being used */
  	int fd;			/* -1 unless data buffer is memory-mapped */
  	uint8_t *data;
  	off_t size;
  	size_t hdrlen;
  	int refcnt;		/* > 0 if open and/or cached */
  };
  
  struct got_commit_object {
  	struct got_object_id *tree_id;
  	unsigned int nparents;
  	struct got_object_id_queue parent_ids;
  	char *author;
  	time_t author_time;	/* UTC */
  	time_t author_gmtoff;
  	char *committer;
  	time_t committer_time;	/* UTC */
  	time_t committer_gmtoff;
  	char *logmsg;
  	int refcnt;		/* > 0 if open and/or cached */
  
  	int flags;
  #define GOT_COMMIT_FLAG_PACKED		0x01
  };
  
  struct got_tree_entry {
  	mode_t mode;
  	char name[NAME_MAX + 1 /* NUL */];
  	struct got_object_id id;
  	int idx;
  };
  
  struct got_tree_object {
  	int nentries;
  	struct got_tree_entry *entries;
  	int refcnt;
  };
  
  struct got_blob_object {
  	FILE *f;
  	uint8_t *data;
  	size_t hdrlen;
  	size_t blocksize;
  	uint8_t *read_buf;
  	struct got_object_id id;
  };
  
  struct got_tag_object {
  	struct got_object_id id;
  	int obj_type;
  	char *tag;
  	time_t tagger_time;
  	time_t tagger_gmtoff;
  	char *tagger;
  	char *tagmsg;
  	int refcnt;		/* > 0 if open and/or cached */
  };
  
  struct got_object_id *got_object_get_id(struct got_object *);
  const struct got_error *got_object_get_id_str(char **, struct got_object *);
  const struct got_error *got_object_get_path(char **, struct got_object_id *,
      struct got_repository *);
  const struct got_error *got_object_open_loose_fd(int *, struct got_object_id *,
      struct got_repository *);
  const struct got_error *got_object_open_packed(struct got_object **,
      struct got_object_id *, struct got_repository *);
  struct got_pack;
  struct got_packidx;
  const struct got_error *got_object_open_from_packfile(struct got_object **,
      struct got_object_id *, struct got_pack *, struct got_packidx *, int,
      struct got_repository *);
  const struct got_error *got_object_read_raw_delta(uint64_t *, uint64_t *,
      off_t *, off_t *, off_t *, off_t *, struct got_object_id **, int,
      struct got_packidx *, int, struct got_object_id *, struct got_repository *);
  const struct got_error *got_object_prepare_delta_reuse(struct got_pack **,
      struct got_packidx *, int, struct got_repository *);
  const struct got_error *got_object_read_header_privsep(struct got_object **,
      struct got_object_id *, struct got_repository *, int);
  const struct got_error *got_object_open(struct got_object **,
      struct got_repository *, struct got_object_id *);
  const struct got_error *got_object_raw_open(struct got_raw_object **, int *,
      struct got_repository *, struct got_object_id *);
  const struct got_error *got_object_raw_close(struct got_raw_object *);
  const struct got_error *got_object_open_by_id_str(struct got_object **,
      struct got_repository *, const char *);
  void got_object_close(struct got_object *);
  const struct got_error *got_object_commit_open(struct got_commit_object **,
      struct got_repository *, struct got_object *);
  const struct got_error *got_object_tree_open(struct got_tree_object **,
      struct got_repository *, struct got_object *);
  const struct got_error *got_object_blob_open(struct got_blob_object **,
      struct got_repository *, struct got_object *, size_t);
  char *got_object_blob_id_str(struct got_blob_object*, char *, size_t);
  const struct got_error *got_object_tag_open(struct got_tag_object **,
      struct got_repository *, struct got_object *);
  const struct got_error *got_object_tree_entry_dup(struct got_tree_entry **,
      struct got_tree_entry *);
  
  const struct got_error *got_traverse_packed_commits(
      struct got_object_id_queue *, struct got_object_id *, const char *,
      struct got_repository *);
  
  typedef const struct got_error *(*got_object_enumerate_commit_cb)(void *,
      time_t, struct got_object_id *, struct got_repository *);
  typedef const struct got_error *(*got_object_enumerate_tree_cb)(void *,
      struct got_tree_object *, time_t, struct got_object_id *, const char *,
      struct got_repository *);
  
  const struct got_error *got_object_enumerate(int *,
      got_object_enumerate_commit_cb, got_object_enumerate_tree_cb, void *,
      struct got_object_id **, int, struct got_object_id **, int,
      struct got_packidx *, struct got_repository *);
  

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