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