git.ozlabs.org Git - ccan/blob - ccan/ntdb/test/api-firstkey-nextkey.c

   1 #include "config.h"
   2 #include "ntdb.h"
   3 #include "private.h"
   4 #include "tap-interface.h"
   5 #include "logging.h"
   6
   7 #define NUM_RECORDS 1000
   8
   9 static bool store_records(struct ntdb_context *ntdb)
  10 {
  11         int i;
  12         NTDB_DATA key = { (unsigned char *)&i, sizeof(i) };
  13         NTDB_DATA data = { (unsigned char *)&i, sizeof(i) };
  14
  15         for (i = 0; i < NUM_RECORDS; i++)
  16                 if (ntdb_store(ntdb, key, data, NTDB_REPLACE) != 0)
  17                         return false;
  18         return true;
  19 }
  20
  21 struct trav_data {
  22         unsigned int records[NUM_RECORDS];
  23         unsigned int calls;
  24 };
  25
  26 static int trav(struct ntdb_context *ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *p)
  27 {
  28         struct trav_data *td = p;
  29         int val;
  30
  31         memcpy(&val, dbuf.dptr, dbuf.dsize);
  32         td->records[td->calls++] = val;
  33         return 0;
  34 }
  35
  36 /* Since ntdb_nextkey frees dptr, we need to clone it. */
  37 static NTDB_DATA dup_key(NTDB_DATA key)
  38 {
  39         void *p = malloc(key.dsize);
  40         memcpy(p, key.dptr, key.dsize);
  41         key.dptr = p;
  42         return key;
  43 }
  44
  45 int main(int argc, char *argv[])
  46 {
  47         unsigned int i, j;
  48         int num;
  49         struct trav_data td;
  50         NTDB_DATA k;
  51         struct ntdb_context *ntdb;
  52         union ntdb_attribute seed_attr;
  53         enum NTDB_ERROR ecode;
  54         int flags[] = { NTDB_INTERNAL, NTDB_DEFAULT, NTDB_NOMMAP,
  55                         NTDB_INTERNAL|NTDB_CONVERT, NTDB_CONVERT,
  56                         NTDB_NOMMAP|NTDB_CONVERT };
  57
  58         seed_attr.base.attr = NTDB_ATTRIBUTE_SEED;
  59         seed_attr.base.next = &tap_log_attr;
  60         seed_attr.seed.seed = 6334326220117065685ULL;
  61
  62         plan_tests(sizeof(flags) / sizeof(flags[0])
  63                    * (NUM_RECORDS*6 + (NUM_RECORDS-1)*3 + 22) + 1);
  64         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  65                 ntdb = ntdb_open("api-firstkey-nextkey.ntdb",
  66                                  flags[i]|MAYBE_NOSYNC,
  67                                  O_RDWR|O_CREAT|O_TRUNC, 0600,
  68                                  &seed_attr);
  69                 ok1(ntdb);
  70                 if (!ntdb)
  71                         continue;
  72
  73                 ok1(ntdb_firstkey(ntdb, &k) == NTDB_ERR_NOEXIST);
  74
  75                 /* One entry... */
  76                 k.dptr = (unsigned char *)&num;
  77                 k.dsize = sizeof(num);
  78                 num = 0;
  79                 ok1(ntdb_store(ntdb, k, k, NTDB_INSERT) == 0);
  80                 ok1(ntdb_firstkey(ntdb, &k) == NTDB_SUCCESS);
  81                 ok1(k.dsize == sizeof(num));
  82                 ok1(memcmp(k.dptr, &num, sizeof(num)) == 0);
  83                 ok1(ntdb_nextkey(ntdb, &k) == NTDB_ERR_NOEXIST);
  84
  85                 /* Two entries. */
  86                 k.dptr = (unsigned char *)&num;
  87                 k.dsize = sizeof(num);
  88                 num = 1;
  89                 ok1(ntdb_store(ntdb, k, k, NTDB_INSERT) == 0);
  90                 ok1(ntdb_firstkey(ntdb, &k) == NTDB_SUCCESS);
  91                 ok1(k.dsize == sizeof(num));
  92                 memcpy(&num, k.dptr, sizeof(num));
  93                 ok1(num == 0 || num == 1);
  94                 ok1(ntdb_nextkey(ntdb, &k) == NTDB_SUCCESS);
  95                 ok1(k.dsize == sizeof(j));
  96                 memcpy(&j, k.dptr, sizeof(j));
  97                 ok1(j == 0 || j == 1);
  98                 ok1(j != num);
  99                 ok1(ntdb_nextkey(ntdb, &k) == NTDB_ERR_NOEXIST);
 100
 101                 /* Clean up. */
 102                 k.dptr = (unsigned char *)&num;
 103                 k.dsize = sizeof(num);
 104                 num = 0;
 105                 ok1(ntdb_delete(ntdb, k) == 0);
 106                 num = 1;
 107                 ok1(ntdb_delete(ntdb, k) == 0);
 108
 109                 /* Now lots of records. */
 110                 ok1(store_records(ntdb));
 111                 td.calls = 0;
 112
 113                 num = ntdb_traverse(ntdb, trav, &td);
 114                 ok1(num == NUM_RECORDS);
 115                 ok1(td.calls == NUM_RECORDS);
 116
 117                 /* Simple loop should match ntdb_traverse */
 118                 for (j = 0, ecode = ntdb_firstkey(ntdb, &k); j < td.calls; j++) {
 119                         int val;
 120
 121                         ok1(ecode == NTDB_SUCCESS);
 122                         ok1(k.dsize == sizeof(val));
 123                         memcpy(&val, k.dptr, k.dsize);
 124                         ok1(td.records[j] == val);
 125                         ecode = ntdb_nextkey(ntdb, &k);
 126                 }
 127
 128                 /* But arbitrary orderings should work too. */
 129                 for (j = td.calls-1; j > 0; j--) {
 130                         k.dptr = (unsigned char *)&td.records[j-1];
 131                         k.dsize = sizeof(td.records[j-1]);
 132                         k = dup_key(k);
 133                         ok1(ntdb_nextkey(ntdb, &k) == NTDB_SUCCESS);
 134                         ok1(k.dsize == sizeof(td.records[j]));
 135                         ok1(memcmp(k.dptr, &td.records[j], k.dsize) == 0);
 136                         free(k.dptr);
 137                 }
 138
 139                 /* Even delete should work. */
 140                 for (j = 0, ecode = ntdb_firstkey(ntdb, &k);
 141                      ecode != NTDB_ERR_NOEXIST;
 142                      j++) {
 143                         ok1(ecode == NTDB_SUCCESS);
 144                         ok1(k.dsize == 4);
 145                         ok1(ntdb_delete(ntdb, k) == 0);
 146                         ecode = ntdb_nextkey(ntdb, &k);
 147                 }
 148
 149                 diag("delete using first/nextkey gave %u of %u records",
 150                      j, NUM_RECORDS);
 151                 ok1(j == NUM_RECORDS);
 152                 ntdb_close(ntdb);
 153         }
 154
 155         ok1(tap_log_messages == 0);
 156         return exit_status();
 157 }