git.ozlabs.org Git - ccan/blob - ccan/tdb2/test/run-92-get-set-readonly.c

   1 #include "tdb2-source.h"
   2 #include <ccan/tap/tap.h>
   3 #include "logging.h"
   4
   5 int main(int argc, char *argv[])
   6 {
   7         unsigned int i, extra_msgs;
   8         struct tdb_context *tdb;
   9         struct tdb_data key = tdb_mkdata("key", 3);
  10         struct tdb_data data = tdb_mkdata("data", 4);
  11         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  12                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT,
  13                         TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
  14                         TDB_CONVERT|TDB_VERSION1,
  15                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  16
  17         plan_tests(sizeof(flags) / sizeof(flags[0]) * 48);
  18
  19         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  20                 /* RW -> R0 */
  21                 tdb = tdb_open("run-92-get-set-readonly.tdb", flags[i],
  22                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  23                 ok1(tdb);
  24                 ok1(!(tdb_get_flags(tdb) & TDB_RDONLY));
  25
  26                 /* TDB1 complains multiple times. */
  27                 if (flags[i] & TDB_VERSION1) {
  28                         extra_msgs = 1;
  29                 } else {
  30                         extra_msgs = 0;
  31                 }
  32
  33                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == TDB_SUCCESS);
  34
  35                 tdb_add_flag(tdb, TDB_RDONLY);
  36                 ok1(tdb_get_flags(tdb) & TDB_RDONLY);
  37
  38                 /* Can't store, append, delete. */
  39                 ok1(tdb_store(tdb, key, data, TDB_MODIFY) == TDB_ERR_RDONLY);
  40                 ok1(tap_log_messages == 1);
  41                 ok1(tdb_append(tdb, key, data) == TDB_ERR_RDONLY);
  42                 tap_log_messages -= extra_msgs;
  43                 ok1(tap_log_messages == 2);
  44                 ok1(tdb_delete(tdb, key) == TDB_ERR_RDONLY);
  45                 tap_log_messages -= extra_msgs;
  46                 ok1(tap_log_messages == 3);
  47
  48                 /* Can't start a transaction, or any write lock. */
  49                 ok1(tdb_transaction_start(tdb) == TDB_ERR_RDONLY);
  50                 ok1(tap_log_messages == 4);
  51                 ok1(tdb_chainlock(tdb, key) == TDB_ERR_RDONLY);
  52                 tap_log_messages -= extra_msgs;
  53                 ok1(tap_log_messages == 5);
  54                 ok1(tdb_lockall(tdb) == TDB_ERR_RDONLY);
  55                 ok1(tap_log_messages == 6);
  56                 ok1(tdb_wipe_all(tdb) == TDB_ERR_RDONLY);
  57                 ok1(tap_log_messages == 7);
  58
  59                 /* Back to RW. */
  60                 tdb_remove_flag(tdb, TDB_RDONLY);
  61                 ok1(!(tdb_get_flags(tdb) & TDB_RDONLY));
  62
  63                 ok1(tdb_store(tdb, key, data, TDB_MODIFY) == TDB_SUCCESS);
  64                 ok1(tdb_append(tdb, key, data) == TDB_SUCCESS);
  65                 ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
  66
  67                 ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  68                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == TDB_SUCCESS);
  69                 ok1(tdb_transaction_commit(tdb) == TDB_SUCCESS);
  70
  71                 ok1(tdb_chainlock(tdb, key) == TDB_SUCCESS);
  72                 tdb_chainunlock(tdb, key);
  73                 ok1(tdb_lockall(tdb) == TDB_SUCCESS);
  74                 tdb_unlockall(tdb);
  75                 ok1(tdb_wipe_all(tdb) == TDB_SUCCESS);
  76                 ok1(tap_log_messages == 7);
  77
  78                 tdb_close(tdb);
  79
  80                 /* R0 -> RW */
  81                 tdb = tdb_open("run-92-get-set-readonly.tdb", flags[i],
  82                                O_RDONLY, 0600, &tap_log_attr);
  83                 ok1(tdb);
  84                 ok1(tdb_get_flags(tdb) & TDB_RDONLY);
  85
  86                 /* Can't store, append, delete. */
  87                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == TDB_ERR_RDONLY);
  88                 ok1(tap_log_messages == 8);
  89                 ok1(tdb_append(tdb, key, data) == TDB_ERR_RDONLY);
  90                 tap_log_messages -= extra_msgs;
  91                 ok1(tap_log_messages == 9);
  92                 ok1(tdb_delete(tdb, key) == TDB_ERR_RDONLY);
  93                 tap_log_messages -= extra_msgs;
  94                 ok1(tap_log_messages == 10);
  95
  96                 /* Can't start a transaction, or any write lock. */
  97                 ok1(tdb_transaction_start(tdb) == TDB_ERR_RDONLY);
  98                 ok1(tap_log_messages == 11);
  99                 ok1(tdb_chainlock(tdb, key) == TDB_ERR_RDONLY);
 100                 tap_log_messages -= extra_msgs;
 101                 ok1(tap_log_messages == 12);
 102                 ok1(tdb_lockall(tdb) == TDB_ERR_RDONLY);
 103                 ok1(tap_log_messages == 13);
 104                 ok1(tdb_wipe_all(tdb) == TDB_ERR_RDONLY);
 105                 ok1(tap_log_messages == 14);
 106
 107                 /* Can't remove TDB_RDONLY since we opened with O_RDONLY */
 108                 tdb_remove_flag(tdb, TDB_RDONLY);
 109                 ok1(tap_log_messages == 15);
 110                 ok1(tdb_get_flags(tdb) & TDB_RDONLY);
 111                 tdb_close(tdb);
 112
 113                 ok1(tap_log_messages == 15);
 114                 tap_log_messages = 0;
 115         }
 116         return exit_status();
 117 }