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4816ffacb8
We use tdb_mkdata() to get rid of many of them from the tests, and explicit cast_const() in a few places. tlist_for_each() still causes a warning, but that needs to be fixed in CCAN. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Autobuild-User: Rusty Russell <rusty@rustcorp.com.au> Autobuild-Date: Thu Mar 22 03:29:32 CET 2012 on sn-devel-104
141 lines
3.7 KiB
C
141 lines
3.7 KiB
C
#include "tdb2-source.h"
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#include "tap-interface.h"
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#include <stdlib.h>
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#include <err.h>
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#include "logging.h"
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static int tdb1_expand_file_sparse(struct tdb_context *tdb,
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tdb1_off_t size,
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tdb1_off_t addition)
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{
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if ((tdb->flags & TDB_RDONLY) || tdb->tdb1.traverse_read) {
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tdb->last_error = TDB_ERR_RDONLY;
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return -1;
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}
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if (ftruncate(tdb->file->fd, size+addition) == -1) {
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char b = 0;
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ssize_t written = pwrite(tdb->file->fd, &b, 1, (size+addition) - 1);
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if (written == 0) {
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/* try once more, potentially revealing errno */
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written = pwrite(tdb->file->fd, &b, 1, (size+addition) - 1);
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}
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if (written == 0) {
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/* again - give up, guessing errno */
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errno = ENOSPC;
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}
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if (written != 1) {
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tdb->last_error = tdb_logerr(tdb, TDB_ERR_IO, TDB_LOG_ERROR,
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"expand_file to %d failed (%s)",
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size+addition,
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strerror(errno));
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return -1;
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}
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}
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return 0;
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}
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static const struct tdb1_methods large_io_methods = {
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tdb1_read,
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tdb1_write,
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tdb1_next_hash_chain,
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tdb1_oob,
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tdb1_expand_file_sparse
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};
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static int test_traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
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void *_data)
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{
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TDB_DATA *expect = _data;
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ok1(key.dsize == strlen("hi"));
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ok1(memcmp(key.dptr, "hi", strlen("hi")) == 0);
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ok1(data.dsize == expect->dsize);
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ok1(memcmp(data.dptr, expect->dptr, data.dsize) == 0);
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return 0;
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}
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int main(int argc, char *argv[])
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{
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struct tdb_context *tdb;
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TDB_DATA key, orig_data, data;
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uint32_t hash;
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tdb1_off_t rec_ptr;
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struct tdb1_record rec;
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union tdb_attribute hsize;
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int ret;
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hsize.base.attr = TDB_ATTRIBUTE_TDB1_HASHSIZE;
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hsize.base.next = &tap_log_attr;
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hsize.tdb1_hashsize.hsize = 1024;
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plan_tests(26);
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tdb = tdb_open("run-36-file.tdb1", TDB_VERSION1,
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O_CREAT|O_TRUNC|O_RDWR, 0600, &hsize);
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ok1(tdb);
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tdb->tdb1.io = &large_io_methods;
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key = tdb_mkdata("hi", strlen("hi"));
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orig_data = tdb_mkdata("world", strlen("world"));
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/* Enlarge the file (internally multiplies by 2). */
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ret = tdb1_expand(tdb, 1500000000);
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#ifdef HAVE_INCOHERENT_MMAP
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/* This can fail due to mmap failure on 32 bit systems. */
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if (ret == -1) {
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/* These should now fail. */
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ok1(tdb_store(tdb, key, orig_data, TDB_INSERT) == TDB_ERR_IO);
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ok1(tdb_fetch(tdb, key, &data) == TDB_ERR_IO);
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ok1(tdb_traverse(tdb, test_traverse, &orig_data) == TDB_ERR_IO);
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ok1(tdb_delete(tdb, key) == TDB_ERR_IO);
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ok1(tdb_traverse(tdb, test_traverse, NULL) == TDB_ERR_IO);
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/* Skip the rest... */
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for (ret = 0; ret < 26 - 6; ret++)
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ok1(1);
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tdb_close(tdb);
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return exit_status();
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}
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#endif
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ok1(ret == 0);
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/* Put an entry in, and check it. */
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ok1(tdb_store(tdb, key, orig_data, TDB_INSERT) == TDB_SUCCESS);
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ok1(tdb_fetch(tdb, key, &data) == TDB_SUCCESS);
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ok1(data.dsize == strlen("world"));
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ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
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free(data.dptr);
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/* That currently fills at the end, make sure that's true. */
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hash = tdb_hash(tdb, key.dptr, key.dsize);
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rec_ptr = tdb1_find_lock_hash(tdb, key, hash, F_RDLCK, &rec);
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ok1(rec_ptr);
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ok1(rec_ptr > 2U*1024*1024*1024);
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tdb1_unlock(tdb, TDB1_BUCKET(rec.full_hash), F_RDLCK);
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/* Traverse must work. */
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ok1(tdb_traverse(tdb, test_traverse, &orig_data) == 1);
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/* Delete should work. */
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ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
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ok1(tdb_traverse(tdb, test_traverse, NULL) == 0);
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/* Transactions should work. */
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ok1(tdb_transaction_start(tdb) == TDB_SUCCESS);
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ok1(tdb_store(tdb, key, orig_data, TDB_INSERT) == TDB_SUCCESS);
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ok1(tdb_fetch(tdb, key, &data) == TDB_SUCCESS);
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ok1(data.dsize == strlen("world"));
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ok1(memcmp(data.dptr, "world", strlen("world")) == 0);
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free(data.dptr);
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ok1(tdb_transaction_commit(tdb) == TDB_SUCCESS);
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ok1(tdb_traverse(tdb, test_traverse, &orig_data) == 1);
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tdb_close(tdb);
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return exit_status();
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}
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