reftable/writer.h

   1 /*
   2 Copyright 2020 Google LLC
   3
   4 Use of this source code is governed by a BSD-style
   5 license that can be found in the LICENSE file or at
   6 https://developers.google.com/open-source/licenses/bsd
   7 */
   8
   9 #ifndef WRITER_H
  10 #define WRITER_H
  11
  12 #include "basics.h"
  13 #include "block.h"
  14 #include "tree.h"
  15 #include "reftable-writer.h"
  16
  17 struct reftable_writer {
  18         ssize_t (*write)(void *, const void *, size_t);
  19         int (*flush)(void *);
  20         void *write_arg;
  21         int pending_padding;
  22         struct strbuf last_key;
  23
  24         /* offset of next block to write. */
  25         uint64_t next;
  26         uint64_t min_update_index, max_update_index;
  27         struct reftable_write_options opts;
  28
  29         /* memory buffer for writing */
  30         uint8_t *block;
  31
  32         /* writer for the current section. NULL or points to
  33          * block_writer_data */
  34         struct block_writer *block_writer;
  35
  36         struct block_writer block_writer_data;
  37
  38         /* pending index records for the current section */
  39         struct reftable_index_record *index;
  40         size_t index_len;
  41         size_t index_cap;
  42
  43         /*
  44          * tree for use with tsearch; used to populate the 'o' inverse OID
  45          * map */
  46         struct tree_node *obj_index_tree;
  47
  48         struct reftable_stats stats;
  49 };
  50
  51 #endif