thodg/libgit2/include/git2/indexer.h

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• Hash : 7d222e13
  Author :
  Date : 2012-10-24T13:29:14
  

  Network progress: rename things git_indexer_stats and friends -> git_transfer_progress* Also made git_transfer_progress members more sanely named.

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• include/git2/indexer.h

• /*
   * Copyright (C) 2009-2012 the libgit2 contributors
   *
   * 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_git_indexer_h__
  #define _INCLUDE_git_indexer_h__
  
  #include "common.h"
  #include "oid.h"
  
  GIT_BEGIN_DECL
  
  /**
   * This is passed as the first argument to the callback to allow the
   * user to see the progress.
   */
  typedef struct git_transfer_progress {
  	unsigned int total_objects;
  	unsigned int indexed_objects;
  	unsigned int received_objects;
  	size_t received_bytes;
  } git_transfer_progress;
  
  
  /**
   * Type for progress callbacks during indexing
   */
  typedef void (*git_transfer_progress_callback)(const git_transfer_progress *stats, void *payload);
  
  typedef struct git_indexer git_indexer;
  typedef struct git_indexer_stream git_indexer_stream;
  
  /**
   * Create a new streaming indexer instance
   *
   * @param out where to store the indexer instance
   * @param path to the directory where the packfile should be stored
   * @param progress_cb function to call with progress information
   * @param progress_payload payload for the progress callback
   */
  GIT_EXTERN(int) git_indexer_stream_new(
  		git_indexer_stream **out,
  		const char *path,
  		git_transfer_progress_callback progress_cb,
  		void *progress_callback_payload);
  
  /**
   * Add data to the indexer
   *
   * @param idx the indexer
   * @param data the data to add
   * @param size the size of the data
   * @param stats stat storage
   */
  GIT_EXTERN(int) git_indexer_stream_add(git_indexer_stream *idx, const void *data, size_t size, git_transfer_progress *stats);
  
  /**
   * Finalize the pack and index
   *
   * Resolve any pending deltas and write out the index file
   *
   * @param idx the indexer
   */
  GIT_EXTERN(int) git_indexer_stream_finalize(git_indexer_stream *idx, git_transfer_progress *stats);
  
  /**
   * Get the packfile's hash
   *
   * A packfile's name is derived from the sorted hashing of all object
   * names. This is only correct after the index has been finalized.
   *
   * @param idx the indexer instance
   */
  GIT_EXTERN(const git_oid *) git_indexer_stream_hash(git_indexer_stream *idx);
  
  /**
   * Free the indexer and its resources
   *
   * @param idx the indexer to free
   */
  GIT_EXTERN(void) git_indexer_stream_free(git_indexer_stream *idx);
  
  /**
   * Create a new indexer instance
   *
   * @param out where to store the indexer instance
   * @param packname the absolute filename of the packfile to index
   */
  GIT_EXTERN(int) git_indexer_new(git_indexer **out, const char *packname);
  
  /**
   * Iterate over the objects in the packfile and extract the information
   *
   * Indexing a packfile can be very expensive so this function is
   * expected to be run in a worker thread and the stats used to provide
   * feedback the user.
   *
   * @param idx the indexer instance
   * @param stats storage for the running state
   */
  GIT_EXTERN(int) git_indexer_run(git_indexer *idx, git_transfer_progress *stats);
  
  /**
   * Write the index file to disk.
   *
   * The file will be stored as pack-$hash.idx in the same directory as
   * the packfile.
   *
   * @param idx the indexer instance
   */
  GIT_EXTERN(int) git_indexer_write(git_indexer *idx);
  
  /**
   * Get the packfile's hash
   *
   * A packfile's name is derived from the sorted hashing of all object
   * names. This is only correct after the index has been written to disk.
   *
   * @param idx the indexer instance
   */
  GIT_EXTERN(const git_oid *) git_indexer_hash(git_indexer *idx);
  
  /**
   * Free the indexer and its resources
   *
   * @param idx the indexer to free
   */
  GIT_EXTERN(void) git_indexer_free(git_indexer *idx);
  
  GIT_END_DECL
  
  #endif
  

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