lib/ntdb/test/api-firstkey-nextkey.c

   1 #include "config.h"
   2 #include "ntdb.h"
   3 #include "tap-interface.h"
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <stdlib.h>
   8 #include "logging.h"
   9
  10 #define NUM_RECORDS 1000
  11
  12 static bool store_records(struct ntdb_context *ntdb)
  13 {
  14         int i;
  15         NTDB_DATA key = { (unsigned char *)&i, sizeof(i) };
  16         NTDB_DATA data = { (unsigned char *)&i, sizeof(i) };
  17
  18         for (i = 0; i < NUM_RECORDS; i++)
  19                 if (ntdb_store(ntdb, key, data, NTDB_REPLACE) != 0)
  20                         return false;
  21         return true;
  22 }
  23
  24 struct trav_data {
  25         unsigned int records[NUM_RECORDS];
  26         unsigned int calls;
  27 };
  28
  29 static int trav(struct ntdb_context *ntdb, NTDB_DATA key, NTDB_DATA dbuf, void *p)
  30 {
  31         struct trav_data *td = p;
  32         int val;
  33
  34         memcpy(&val, dbuf.dptr, dbuf.dsize);
  35         td->records[td->calls++] = val;
  36         return 0;
  37 }
  38
  39 /* Since ntdb_nextkey frees dptr, we need to clone it. */
  40 static NTDB_DATA dup_key(NTDB_DATA key)
  41 {
  42         void *p = malloc(key.dsize);
  43         memcpy(p, key.dptr, key.dsize);
  44         key.dptr = p;
  45         return key;
  46 }
  47
  48 int main(int argc, char *argv[])
  49 {
  50         unsigned int i, j;
  51         int num;
  52         struct trav_data td;
  53         NTDB_DATA k;
  54         struct ntdb_context *ntdb;
  55         union ntdb_attribute seed_attr;
  56         enum NTDB_ERROR ecode;
  57         int flags[] = { NTDB_INTERNAL, NTDB_DEFAULT, NTDB_NOMMAP,
  58                         NTDB_INTERNAL|NTDB_CONVERT, NTDB_CONVERT,
  59                         NTDB_NOMMAP|NTDB_CONVERT };
  60
  61         seed_attr.base.attr = NTDB_ATTRIBUTE_SEED;
  62         seed_attr.base.next = &tap_log_attr;
  63         seed_attr.seed.seed = 6334326220117065685ULL;
  64
  65         plan_tests(sizeof(flags) / sizeof(flags[0])
  66                    * (NUM_RECORDS*6 + (NUM_RECORDS-1)*3 + 22) + 1);
  67         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  68                 ntdb = ntdb_open("api-firstkey-nextkey.ntdb",
  69                                  flags[i]|MAYBE_NOSYNC,
  70                                  O_RDWR|O_CREAT|O_TRUNC, 0600,
  71                                  &seed_attr);
  72                 ok1(ntdb);
  73                 if (!ntdb)
  74                         continue;
  75
  76                 ok1(ntdb_firstkey(ntdb, &k) == NTDB_ERR_NOEXIST);
  77
  78                 /* One entry... */
  79                 k.dptr = (unsigned char *)&num;
  80                 k.dsize = sizeof(num);
  81                 num = 0;
  82                 ok1(ntdb_store(ntdb, k, k, NTDB_INSERT) == 0);
  83                 ok1(ntdb_firstkey(ntdb, &k) == NTDB_SUCCESS);
  84                 ok1(k.dsize == sizeof(num));
  85                 ok1(memcmp(k.dptr, &num, sizeof(num)) == 0);
  86                 ok1(ntdb_nextkey(ntdb, &k) == NTDB_ERR_NOEXIST);
  87
  88                 /* Two entries. */
  89                 k.dptr = (unsigned char *)&num;
  90                 k.dsize = sizeof(num);
  91                 num = 1;
  92                 ok1(ntdb_store(ntdb, k, k, NTDB_INSERT) == 0);
  93                 ok1(ntdb_firstkey(ntdb, &k) == NTDB_SUCCESS);
  94                 ok1(k.dsize == sizeof(num));
  95                 memcpy(&num, k.dptr, sizeof(num));
  96                 ok1(num == 0 || num == 1);
  97                 ok1(ntdb_nextkey(ntdb, &k) == NTDB_SUCCESS);
  98                 ok1(k.dsize == sizeof(j));
  99                 memcpy(&j, k.dptr, sizeof(j));
 100                 ok1(j == 0 || j == 1);
 101                 ok1(j != num);
 102                 ok1(ntdb_nextkey(ntdb, &k) == NTDB_ERR_NOEXIST);
 103
 104                 /* Clean up. */
 105                 k.dptr = (unsigned char *)&num;
 106                 k.dsize = sizeof(num);
 107                 num = 0;
 108                 ok1(ntdb_delete(ntdb, k) == 0);
 109                 num = 1;
 110                 ok1(ntdb_delete(ntdb, k) == 0);
 111
 112                 /* Now lots of records. */
 113                 ok1(store_records(ntdb));
 114                 td.calls = 0;
 115
 116                 num = ntdb_traverse(ntdb, trav, &td);
 117                 ok1(num == NUM_RECORDS);
 118                 ok1(td.calls == NUM_RECORDS);
 119
 120                 /* Simple loop should match ntdb_traverse */
 121                 for (j = 0, ecode = ntdb_firstkey(ntdb, &k); j < td.calls; j++) {
 122                         int val;
 123
 124                         ok1(ecode == NTDB_SUCCESS);
 125                         ok1(k.dsize == sizeof(val));
 126                         memcpy(&val, k.dptr, k.dsize);
 127                         ok1(td.records[j] == val);
 128                         ecode = ntdb_nextkey(ntdb, &k);
 129                 }
 130
 131                 /* But arbitrary orderings should work too. */
 132                 for (j = td.calls-1; j > 0; j--) {
 133                         k.dptr = (unsigned char *)&td.records[j-1];
 134                         k.dsize = sizeof(td.records[j-1]);
 135                         k = dup_key(k);
 136                         ok1(ntdb_nextkey(ntdb, &k) == NTDB_SUCCESS);
 137                         ok1(k.dsize == sizeof(td.records[j]));
 138                         ok1(memcmp(k.dptr, &td.records[j], k.dsize) == 0);
 139                         free(k.dptr);
 140                 }
 141
 142                 /* Even delete should work. */
 143                 for (j = 0, ecode = ntdb_firstkey(ntdb, &k);
 144                      ecode != NTDB_ERR_NOEXIST;
 145                      j++) {
 146                         ok1(ecode == NTDB_SUCCESS);
 147                         ok1(k.dsize == 4);
 148                         ok1(ntdb_delete(ntdb, k) == 0);
 149                         ecode = ntdb_nextkey(ntdb, &k);
 150                 }
 151
 152                 diag("delete using first/nextkey gave %u of %u records",
 153                      j, NUM_RECORDS);
 154                 ok1(j == NUM_RECORDS);
 155                 ntdb_close(ntdb);
 156         }
 157
 158         ok1(tap_log_messages == 0);
 159         return exit_status();
 160 }