1 /* We need this otherwise fcntl locking fails. */
2 #define _FILE_OFFSET_BITS 64
3 #include "tdb2-source.h"
4 #include <ccan/tap/tap.h>
9 static int tdb1_expand_file_sparse(struct tdb_context *tdb,
13 if ((tdb->flags & TDB_RDONLY) || tdb->tdb1.traverse_read) {
14 tdb->last_error = TDB_ERR_RDONLY;
18 if (ftruncate(tdb->file->fd, size+addition) == -1) {
20 ssize_t written = pwrite(tdb->file->fd, &b, 1, (size+addition) - 1);
22 /* try once more, potentially revealing errno */
23 written = pwrite(tdb->file->fd, &b, 1, (size+addition) - 1);
26 /* again - give up, guessing errno */
30 tdb->last_error = tdb_logerr(tdb, TDB_ERR_IO, TDB_LOG_ERROR,
31 "expand_file to %d failed (%s)",
41 static const struct tdb1_methods large_io_methods = {
46 tdb1_expand_file_sparse
49 static int test_traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
52 TDB_DATA *expect = _data;
53 ok1(key.dsize == strlen("hi"));
54 ok1(memcmp(key.dptr, "hi", strlen("hi")) == 0);
55 ok1(data.dsize == expect->dsize);
56 ok1(memcmp(data.dptr, expect->dptr, data.dsize) == 0);
60 int main(int argc, char *argv[])
62 struct tdb_context *tdb;
63 TDB_DATA key, orig_data, data;
66 struct tdb1_record rec;
69 tdb = tdb1_open("run-36-file.tdb", 1024, TDB_DEFAULT,
70 O_CREAT|O_TRUNC|O_RDWR, 0600, &tap_log_attr);
73 tdb->tdb1.io = &large_io_methods;
75 /* Enlarge the file (internally multiplies by 2). */
76 ok1(tdb1_expand(tdb, 1500000000) == 0);
78 /* Put an entry in, and check it. */
79 key.dsize = strlen("hi");
80 key.dptr = (void *)"hi";
81 orig_data.dsize = strlen("world");
82 orig_data.dptr = (void *)"world";
84 ok1(tdb1_store(tdb, key, orig_data, TDB_INSERT) == 0);
86 data = tdb1_fetch(tdb, key);
87 ok1(data.dsize == strlen("world"));
88 ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
91 /* That currently fills at the end, make sure that's true. */
92 hash = tdb_hash(tdb, key.dptr, key.dsize);
93 rec_ptr = tdb1_find_lock_hash(tdb, key, hash, F_RDLCK, &rec);
95 ok1(rec_ptr > 2U*1024*1024*1024);
96 tdb1_unlock(tdb, TDB1_BUCKET(rec.full_hash), F_RDLCK);
98 /* Traverse must work. */
99 ok1(tdb1_traverse(tdb, test_traverse, &orig_data) == 1);
101 /* Delete should work. */
102 ok1(tdb1_delete(tdb, key) == 0);
104 ok1(tdb1_traverse(tdb, test_traverse, NULL) == 0);
106 /* Transactions should work. */
107 ok1(tdb1_transaction_start(tdb) == 0);
108 ok1(tdb1_store(tdb, key, orig_data, TDB_INSERT) == 0);
110 data = tdb1_fetch(tdb, key);
111 ok1(data.dsize == strlen("world"));
112 ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
114 ok1(tdb1_transaction_commit(tdb) == 0);
116 ok1(tdb1_traverse(tdb, test_traverse, &orig_data) == 1);
119 return exit_status();