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db2508840d
As copied from tdb1, there is logic in the transaction code to handle a non-PGSIZE multiple db, but in fact this only happens for a completely unused database: as soon as we add anything to it, it is expanded to a NTDB_PGSIZE multiple. If we create the database with a free record which pads it out to NTDB_PGSIZE, we can remove this last-page-is-different logic. Of course, the fake ntdbs we create in our tests now also need to be multiples of NTDB_PGSIZE, so we change some numbers there too. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
#include "ntdb-source.h"
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#include "tap-interface.h"
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#include "logging.h"
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int main(int argc, char *argv[])
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{
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unsigned int i;
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struct ntdb_context *ntdb;
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int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
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NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
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NTDB_DATA key = ntdb_mkdata("key", 3);
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NTDB_DATA data = ntdb_mkdata("data", 4);
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plan_tests(sizeof(flags) / sizeof(flags[0]) * 9 + 1);
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for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
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size_t size;
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NTDB_DATA k, d;
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ntdb = ntdb_open("run-expand-in-transaction.ntdb", flags[i],
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O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
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ok1(ntdb);
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if (!ntdb)
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continue;
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size = ntdb->file->map_size;
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/* Add a fake record to chew up the existing free space. */
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k = ntdb_mkdata("fake", 4);
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d.dsize = ntdb->file->map_size - sizeof(struct new_database)- 8;
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d.dptr = malloc(d.dsize);
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memset(d.dptr, 0, d.dsize);
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ok1(ntdb_store(ntdb, k, d, NTDB_INSERT) == 0);
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ok1(ntdb->file->map_size == size);
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free(d.dptr);
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ok1(ntdb_transaction_start(ntdb) == 0);
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ok1(ntdb_store(ntdb, key, data, NTDB_INSERT) == 0);
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ok1(ntdb->file->map_size > size);
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ok1(ntdb_transaction_commit(ntdb) == 0);
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ok1(ntdb->file->map_size > size);
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ok1(ntdb_check(ntdb, NULL, NULL) == 0);
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ntdb_close(ntdb);
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}
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ok1(tap_log_messages == 0);
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return exit_status();
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}
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