lib/ntdb/test/run-03-coalesce.c

   1 #include "ntdb-source.h"
   2 #include "tap-interface.h"
   3 #include "logging.h"
   4 #include "layout.h"
   5
   6 static ntdb_len_t free_record_length(struct ntdb_context *ntdb, ntdb_off_t off)
   7 {
   8         struct ntdb_free_record f;
   9         enum NTDB_ERROR ecode;
  10
  11         ecode = ntdb_read_convert(ntdb, off, &f, sizeof(f));
  12         if (ecode != NTDB_SUCCESS)
  13                 return ecode;
  14         if (frec_magic(&f) != NTDB_FREE_MAGIC)
  15                 return NTDB_ERR_CORRUPT;
  16         return frec_len(&f);
  17 }
  18
  19 int main(int argc, char *argv[])
  20 {
  21         ntdb_off_t b_off, test;
  22         struct ntdb_context *ntdb;
  23         struct ntdb_layout *layout;
  24         NTDB_DATA data, key;
  25         ntdb_len_t len;
  26
  27         /* FIXME: Test NTDB_CONVERT */
  28         /* FIXME: Test lock order fail. */
  29
  30         plan_tests(42);
  31         data = ntdb_mkdata("world", 5);
  32         key = ntdb_mkdata("hello", 5);
  33
  34         /* No coalescing can be done due to EOF */
  35         layout = new_ntdb_layout();
  36         ntdb_layout_add_freetable(layout);
  37         len = 15560;
  38         ntdb_layout_add_free(layout, len, 0);
  39         ntdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.ntdb");
  40         /* NOMMAP is for lockcheck. */
  41         ntdb = ntdb_open("run-03-coalesce.ntdb", NTDB_NOMMAP|MAYBE_NOSYNC,
  42                          O_RDWR, 0, &tap_log_attr);
  43         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  44         ok1(free_record_length(ntdb, layout->elem[1].base.off) == len);
  45
  46         /* Figure out which bucket free entry is. */
  47         b_off = bucket_off(ntdb->ftable_off, size_to_bucket(len));
  48         /* Lock and fail to coalesce. */
  49         ok1(ntdb_lock_free_bucket(ntdb, b_off, NTDB_LOCK_WAIT) == 0);
  50         test = layout->elem[1].base.off;
  51         ok1(coalesce(ntdb, layout->elem[1].base.off, b_off, len, &test)
  52             == 0);
  53         ntdb_unlock_free_bucket(ntdb, b_off);
  54         ok1(free_record_length(ntdb, layout->elem[1].base.off) == len);
  55         ok1(test == layout->elem[1].base.off);
  56         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  57         ntdb_close(ntdb);
  58         ntdb_layout_free(layout);
  59
  60         /* No coalescing can be done due to used record */
  61         layout = new_ntdb_layout();
  62         ntdb_layout_add_freetable(layout);
  63         ntdb_layout_add_free(layout, 15528, 0);
  64         ntdb_layout_add_used(layout, key, data, 6);
  65         ntdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.ntdb");
  66         /* NOMMAP is for lockcheck. */
  67         ntdb = ntdb_open("run-03-coalesce.ntdb", NTDB_NOMMAP|MAYBE_NOSYNC,
  68                          O_RDWR, 0, &tap_log_attr);
  69         ok1(free_record_length(ntdb, layout->elem[1].base.off) == 15528);
  70         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  71
  72         /* Figure out which bucket free entry is. */
  73         b_off = bucket_off(ntdb->ftable_off, size_to_bucket(15528));
  74         /* Lock and fail to coalesce. */
  75         ok1(ntdb_lock_free_bucket(ntdb, b_off, NTDB_LOCK_WAIT) == 0);
  76         test = layout->elem[1].base.off;
  77         ok1(coalesce(ntdb, layout->elem[1].base.off, b_off, 15528, &test)
  78             == 0);
  79         ntdb_unlock_free_bucket(ntdb, b_off);
  80         ok1(free_record_length(ntdb, layout->elem[1].base.off) == 15528);
  81         ok1(test == layout->elem[1].base.off);
  82         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  83         ntdb_close(ntdb);
  84         ntdb_layout_free(layout);
  85
  86         /* Coalescing can be done due to two free records, then EOF */
  87         layout = new_ntdb_layout();
  88         ntdb_layout_add_freetable(layout);
  89         ntdb_layout_add_free(layout, 1024, 0);
  90         ntdb_layout_add_free(layout, 14520, 0);
  91         ntdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.ntdb");
  92         /* NOMMAP is for lockcheck. */
  93         ntdb = ntdb_open("run-03-coalesce.ntdb", NTDB_NOMMAP|MAYBE_NOSYNC,
  94                          O_RDWR, 0, &tap_log_attr);
  95         ok1(free_record_length(ntdb, layout->elem[1].base.off) == 1024);
  96         ok1(free_record_length(ntdb, layout->elem[2].base.off) == 14520);
  97         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
  98
  99         /* Figure out which bucket (first) free entry is. */
 100         b_off = bucket_off(ntdb->ftable_off, size_to_bucket(1024));
 101         /* Lock and coalesce. */
 102         ok1(ntdb_lock_free_bucket(ntdb, b_off, NTDB_LOCK_WAIT) == 0);
 103         test = layout->elem[2].base.off;
 104         ok1(coalesce(ntdb, layout->elem[1].base.off, b_off, 1024, &test)
 105             == 1024 + sizeof(struct ntdb_used_record) + 14520);
 106         /* Should tell us it's erased this one... */
 107         ok1(test == NTDB_ERR_NOEXIST);
 108         ok1(ntdb->file->allrecord_lock.count == 0 && ntdb->file->num_lockrecs == 0);
 109         ok1(free_record_length(ntdb, layout->elem[1].base.off)
 110             == 1024 + sizeof(struct ntdb_used_record) + 14520);
 111         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
 112         ntdb_close(ntdb);
 113         ntdb_layout_free(layout);
 114
 115         /* Coalescing can be done due to two free records, then data */
 116         layout = new_ntdb_layout();
 117         ntdb_layout_add_freetable(layout);
 118         ntdb_layout_add_free(layout, 1024, 0);
 119         ntdb_layout_add_free(layout, 14488, 0);
 120         ntdb_layout_add_used(layout, key, data, 6);
 121         ntdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.ntdb");
 122         /* NOMMAP is for lockcheck. */
 123         ntdb = ntdb_open("run-03-coalesce.ntdb", NTDB_NOMMAP|MAYBE_NOSYNC,
 124                          O_RDWR, 0, &tap_log_attr);
 125         ok1(free_record_length(ntdb, layout->elem[1].base.off) == 1024);
 126         ok1(free_record_length(ntdb, layout->elem[2].base.off) == 14488);
 127         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
 128
 129         /* Figure out which bucket free entry is. */
 130         b_off = bucket_off(ntdb->ftable_off, size_to_bucket(1024));
 131         /* Lock and coalesce. */
 132         ok1(ntdb_lock_free_bucket(ntdb, b_off, NTDB_LOCK_WAIT) == 0);
 133         test = layout->elem[2].base.off;
 134         ok1(coalesce(ntdb, layout->elem[1].base.off, b_off, 1024, &test)
 135             == 1024 + sizeof(struct ntdb_used_record) + 14488);
 136         ok1(ntdb->file->allrecord_lock.count == 0 && ntdb->file->num_lockrecs == 0);
 137         ok1(free_record_length(ntdb, layout->elem[1].base.off)
 138             == 1024 + sizeof(struct ntdb_used_record) + 14488);
 139         ok1(test == NTDB_ERR_NOEXIST);
 140         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
 141         ntdb_close(ntdb);
 142         ntdb_layout_free(layout);
 143
 144         /* Coalescing can be done due to three free records, then EOF */
 145         layout = new_ntdb_layout();
 146         ntdb_layout_add_freetable(layout);
 147         ntdb_layout_add_free(layout, 1024, 0);
 148         ntdb_layout_add_free(layout, 512, 0);
 149         ntdb_layout_add_free(layout, 13992, 0);
 150         ntdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.ntdb");
 151         /* NOMMAP is for lockcheck. */
 152         ntdb = ntdb_open("run-03-coalesce.ntdb", NTDB_NOMMAP|MAYBE_NOSYNC,
 153                          O_RDWR, 0, &tap_log_attr);
 154         ok1(free_record_length(ntdb, layout->elem[1].base.off) == 1024);
 155         ok1(free_record_length(ntdb, layout->elem[2].base.off) == 512);
 156         ok1(free_record_length(ntdb, layout->elem[3].base.off) == 13992);
 157         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
 158
 159         /* Figure out which bucket free entry is. */
 160         b_off = bucket_off(ntdb->ftable_off, size_to_bucket(1024));
 161         /* Lock and coalesce. */
 162         ok1(ntdb_lock_free_bucket(ntdb, b_off, NTDB_LOCK_WAIT) == 0);
 163         test = layout->elem[2].base.off;
 164         ok1(coalesce(ntdb, layout->elem[1].base.off, b_off, 1024, &test)
 165             == 1024 + sizeof(struct ntdb_used_record) + 512
 166             + sizeof(struct ntdb_used_record) + 13992);
 167         ok1(ntdb->file->allrecord_lock.count == 0
 168             && ntdb->file->num_lockrecs == 0);
 169         ok1(free_record_length(ntdb, layout->elem[1].base.off)
 170             == 1024 + sizeof(struct ntdb_used_record) + 512
 171             + sizeof(struct ntdb_used_record) + 13992);
 172         ok1(ntdb_check(ntdb, NULL, NULL) == 0);
 173         ntdb_close(ntdb);
 174         ntdb_layout_free(layout);
 175
 176         ok1(tap_log_messages == 0);
 177         return exit_status();
 178 }