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

   1 #include <ccan/tdb2/tdb2.h>
   2 #include <ccan/tap/tap.h>
   3 #include <sys/types.h>
   4 #include <sys/stat.h>
   5 #include <fcntl.h>
   6 #include "logging.h"
   7
   8 int main(int argc, char *argv[])
   9 {
  10         unsigned int i, extra_msgs;
  11         struct tdb_context *tdb;
  12         struct tdb_data key = tdb_mkdata("key", 3);
  13         struct tdb_data data = tdb_mkdata("data", 4);
  14         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  15                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT,
  16                         TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
  17                         TDB_CONVERT|TDB_VERSION1,
  18                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  19
  20         plan_tests(sizeof(flags) / sizeof(flags[0]) * 48);
  21
  22         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  23                 /* RW -> R0 */
  24                 tdb = tdb_open("run-92-get-set-readonly.tdb", flags[i],
  25                                O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
  26                 ok1(tdb);
  27                 ok1(!(tdb_get_flags(tdb) & TDB_RDONLY));
  28
  29                 /* TDB1 complains multiple times. */
  30                 if (flags[i] & TDB_VERSION1) {
  31                         extra_msgs = 1;
  32                 } else {
  33                         extra_msgs = 0;
  34                 }
  35
  36                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == TDB_SUCCESS);
  37
  38                 tdb_add_flag(tdb, TDB_RDONLY);
  39                 ok1(tdb_get_flags(tdb) & TDB_RDONLY);
  40
  41                 /* Can't store, append, delete. */
  42                 ok1(tdb_store(tdb, key, data, TDB_MODIFY) == TDB_ERR_RDONLY);
  43                 ok1(tap_log_messages == 1);
  44                 ok1(tdb_append(tdb, key, data) == TDB_ERR_RDONLY);
  45                 tap_log_messages -= extra_msgs;
  46                 ok1(tap_log_messages == 2);
  47                 ok1(tdb_delete(tdb, key) == TDB_ERR_RDONLY);
  48                 tap_log_messages -= extra_msgs;
  49                 ok1(tap_log_messages == 3);
  50
  51                 /* Can't start a transaction, or any write lock. */
  52                 ok1(tdb_transaction_start(tdb) == TDB_ERR_RDONLY);
  53                 ok1(tap_log_messages == 4);
  54                 ok1(tdb_chainlock(tdb, key) == TDB_ERR_RDONLY);
  55                 tap_log_messages -= extra_msgs;
  56                 ok1(tap_log_messages == 5);
  57                 ok1(tdb_lockall(tdb) == TDB_ERR_RDONLY);
  58                 ok1(tap_log_messages == 6);
  59                 ok1(tdb_wipe_all(tdb) == TDB_ERR_RDONLY);
  60                 ok1(tap_log_messages == 7);
  61
  62                 /* Back to RW. */
  63                 tdb_remove_flag(tdb, TDB_RDONLY);
  64                 ok1(!(tdb_get_flags(tdb) & TDB_RDONLY));
  65
  66                 ok1(tdb_store(tdb, key, data, TDB_MODIFY) == TDB_SUCCESS);
  67                 ok1(tdb_append(tdb, key, data) == TDB_SUCCESS);
  68                 ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
  69
  70                 ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
  71                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == TDB_SUCCESS);
  72                 ok1(tdb_transaction_commit(tdb) == TDB_SUCCESS);
  73
  74                 ok1(tdb_chainlock(tdb, key) == TDB_SUCCESS);
  75                 tdb_chainunlock(tdb, key);
  76                 ok1(tdb_lockall(tdb) == TDB_SUCCESS);
  77                 tdb_unlockall(tdb);
  78                 ok1(tdb_wipe_all(tdb) == TDB_SUCCESS);
  79                 ok1(tap_log_messages == 7);
  80
  81                 tdb_close(tdb);
  82
  83                 /* R0 -> RW */
  84                 tdb = tdb_open("run-92-get-set-readonly.tdb", flags[i],
  85                                O_RDONLY, 0600, &tap_log_attr);
  86                 ok1(tdb);
  87                 ok1(tdb_get_flags(tdb) & TDB_RDONLY);
  88
  89                 /* Can't store, append, delete. */
  90                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == TDB_ERR_RDONLY);
  91                 ok1(tap_log_messages == 8);
  92                 ok1(tdb_append(tdb, key, data) == TDB_ERR_RDONLY);
  93                 tap_log_messages -= extra_msgs;
  94                 ok1(tap_log_messages == 9);
  95                 ok1(tdb_delete(tdb, key) == TDB_ERR_RDONLY);
  96                 tap_log_messages -= extra_msgs;
  97                 ok1(tap_log_messages == 10);
  98
  99                 /* Can't start a transaction, or any write lock. */
 100                 ok1(tdb_transaction_start(tdb) == TDB_ERR_RDONLY);
 101                 ok1(tap_log_messages == 11);
 102                 ok1(tdb_chainlock(tdb, key) == TDB_ERR_RDONLY);
 103                 tap_log_messages -= extra_msgs;
 104                 ok1(tap_log_messages == 12);
 105                 ok1(tdb_lockall(tdb) == TDB_ERR_RDONLY);
 106                 ok1(tap_log_messages == 13);
 107                 ok1(tdb_wipe_all(tdb) == TDB_ERR_RDONLY);
 108                 ok1(tap_log_messages == 14);
 109
 110                 /* Can't remove TDB_RDONLY since we opened with O_RDONLY */
 111                 tdb_remove_flag(tdb, TDB_RDONLY);
 112                 ok1(tap_log_messages == 15);
 113                 ok1(tdb_get_flags(tdb) & TDB_RDONLY);
 114                 tdb_close(tdb);
 115
 116                 ok1(tap_log_messages == 15);
 117                 tap_log_messages = 0;
 118         }
 119         return exit_status();
 120 }