lib/ntdb/test/layout.h

   1 #ifndef NTDB_TEST_LAYOUT_H
   2 #define NTDB_TEST_LAYOUT_H
   3 #include "private.h"
   4
   5 struct ntdb_layout *new_ntdb_layout(void);
   6 void ntdb_layout_add_freetable(struct ntdb_layout *layout);
   7 void ntdb_layout_add_free(struct ntdb_layout *layout, ntdb_len_t len,
   8                          unsigned ftable);
   9 void ntdb_layout_add_used(struct ntdb_layout *layout,
  10                          NTDB_DATA key, NTDB_DATA data,
  11                          ntdb_len_t extra);
  12 void ntdb_layout_add_capability(struct ntdb_layout *layout,
  13                                uint64_t type,
  14                                bool write_breaks,
  15                                bool check_breaks,
  16                                bool open_breaks,
  17                                ntdb_len_t extra);
  18
  19 #if 0 /* FIXME: Allow allocation of subtables */
  20 void ntdb_layout_add_hashtable(struct ntdb_layout *layout,
  21                               int htable_parent, /* -1 == toplevel */
  22                               unsigned int bucket,
  23                               ntdb_len_t extra);
  24 #endif
  25 /* freefn is needed if we're using failtest_free. */
  26 struct ntdb_context *ntdb_layout_get(struct ntdb_layout *layout,
  27                                    void (*freefn)(void *),
  28                                    union ntdb_attribute *attr);
  29 void ntdb_layout_write(struct ntdb_layout *layout, void (*freefn)(void *),
  30                        union ntdb_attribute *attr, const char *filename);
  31
  32 void ntdb_layout_free(struct ntdb_layout *layout);
  33
  34 enum layout_type {
  35         FREETABLE, FREE, DATA, CAPABILITY
  36 };
  37
  38 /* Shared by all union members. */
  39 struct tle_base {
  40         enum layout_type type;
  41         ntdb_off_t off;
  42 };
  43
  44 struct tle_freetable {
  45         struct tle_base base;
  46 };
  47
  48 struct tle_free {
  49         struct tle_base base;
  50         ntdb_len_t len;
  51         unsigned ftable_num;
  52 };
  53
  54 struct tle_used {
  55         struct tle_base base;
  56         NTDB_DATA key;
  57         NTDB_DATA data;
  58         ntdb_len_t extra;
  59 };
  60
  61 struct tle_capability {
  62         struct tle_base base;
  63         uint64_t type;
  64         ntdb_len_t extra;
  65 };
  66
  67 union ntdb_layout_elem {
  68         struct tle_base base;
  69         struct tle_freetable ftable;
  70         struct tle_free free;
  71         struct tle_used used;
  72         struct tle_capability capability;
  73 };
  74
  75 struct ntdb_layout {
  76         unsigned int num_elems;
  77         union ntdb_layout_elem *elem;
  78 };
  79 #endif /* NTDB_TEST_LAYOUT_H */