reftable/stack.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 STACK_H
  10 #define STACK_H
  11
  12 #include "system.h"
  13 #include "reftable-writer.h"
  14 #include "reftable-stack.h"
  15
  16 struct reftable_stack {
  17         struct stat_validity list_validity;
  18         char *list_file;
  19         char *reftable_dir;
  20         int disable_auto_compact;
  21
  22         struct reftable_write_options config;
  23
  24         struct reftable_reader **readers;
  25         size_t readers_len;
  26         struct reftable_merged_table *merged;
  27         struct reftable_compaction_stats stats;
  28 };
  29
  30 int read_lines(const char *filename, char ***lines);
  31
  32 struct segment {
  33         int start, end;
  34         int log;
  35         uint64_t bytes;
  36 };
  37
  38 int fastlog2(uint64_t sz);
  39 struct segment *sizes_to_segments(int *seglen, uint64_t *sizes, int n);
  40 struct segment suggest_compaction_segment(uint64_t *sizes, int n);
  41
  42 #endif