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-rw-r--r--test/run-incompatible.c188
1 files changed, 188 insertions, 0 deletions
diff --git a/test/run-incompatible.c b/test/run-incompatible.c
new file mode 100644
index 0000000..5f1b586
--- /dev/null
+++ b/test/run-incompatible.c
@@ -0,0 +1,188 @@
+#include "../common/tdb_private.h"
+#include "../common/io.c"
+#include "../common/tdb.c"
+#include "../common/lock.c"
+#include "../common/freelist.c"
+#include "../common/traverse.c"
+#include "../common/transaction.c"
+#include "../common/error.c"
+#include "../common/open.c"
+#include "../common/check.c"
+#include "../common/hash.c"
+#include "../common/mutex.c"
+#include "tap-interface.h"
+#include <stdlib.h>
+
+static unsigned int tdb_dumb_hash(TDB_DATA *key)
+{
+ return key->dsize;
+}
+
+static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level, const char *fmt, ...)
+{
+ unsigned int *count = tdb_get_logging_private(tdb);
+ if (strstr(fmt, "hash"))
+ (*count)++;
+}
+
+static unsigned int hdr_rwlocks(const char *fname)
+{
+ struct tdb_header hdr;
+ ssize_t nread;
+
+ int fd = open(fname, O_RDONLY);
+ if (fd == -1)
+ return -1;
+
+ nread = read(fd, &hdr, sizeof(hdr));
+ close(fd);
+ if (nread != sizeof(hdr)) {
+ return -1;
+ }
+ return hdr.rwlocks;
+}
+
+int main(int argc, char *argv[])
+{
+ struct tdb_context *tdb;
+ unsigned int log_count, flags;
+ TDB_DATA d, r;
+ struct tdb_logging_context log_ctx = { log_fn, &log_count };
+
+ plan_tests(38 * 2);
+
+ for (flags = 0; flags <= TDB_CONVERT; flags += TDB_CONVERT) {
+ unsigned int rwmagic = TDB_HASH_RWLOCK_MAGIC;
+
+ if (flags & TDB_CONVERT)
+ tdb_convert(&rwmagic, sizeof(rwmagic));
+
+ /* Create an old-style hash. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0, flags,
+ O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
+ NULL);
+ ok1(tdb);
+ ok1(log_count == 0);
+ d.dptr = discard_const_p(uint8_t, "Hello");
+ d.dsize = 5;
+ ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
+ tdb_close(tdb);
+
+ /* Should not have marked rwlocks field. */
+ ok1(hdr_rwlocks("run-incompatible.tdb") == 0);
+
+ /* We can still open any old-style with incompat flag. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0,
+ TDB_INCOMPATIBLE_HASH,
+ O_RDWR, 0600, &log_ctx, NULL);
+ ok1(tdb);
+ ok1(log_count == 0);
+ r = tdb_fetch(tdb, d);
+ ok1(r.dsize == 5);
+ free(r.dptr);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ log_count = 0;
+ tdb = tdb_open_ex("test/jenkins-le-hash.tdb", 0, 0, O_RDONLY,
+ 0, &log_ctx, tdb_jenkins_hash);
+ ok1(tdb);
+ ok1(log_count == 0);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ log_count = 0;
+ tdb = tdb_open_ex("test/jenkins-be-hash.tdb", 0, 0, O_RDONLY,
+ 0, &log_ctx, tdb_jenkins_hash);
+ ok1(tdb);
+ ok1(log_count == 0);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* OK, now create with incompatible flag, default hash. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0,
+ flags|TDB_INCOMPATIBLE_HASH,
+ O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
+ NULL);
+ ok1(tdb);
+ ok1(log_count == 0);
+ d.dptr = discard_const_p(uint8_t, "Hello");
+ d.dsize = 5;
+ ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
+ tdb_close(tdb);
+
+ /* Should have marked rwlocks field. */
+ ok1(hdr_rwlocks("run-incompatible.tdb") == rwmagic);
+
+ /* Cannot open with old hash. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
+ O_RDWR, 0600, &log_ctx, tdb_old_hash);
+ ok1(!tdb);
+ ok1(log_count == 1);
+
+ /* Can open with jenkins hash. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
+ O_RDWR, 0600, &log_ctx, tdb_jenkins_hash);
+ ok1(tdb);
+ ok1(log_count == 0);
+ r = tdb_fetch(tdb, d);
+ ok1(r.dsize == 5);
+ free(r.dptr);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* Can open by letting it figure it out itself. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
+ O_RDWR, 0600, &log_ctx, NULL);
+ ok1(tdb);
+ ok1(log_count == 0);
+ r = tdb_fetch(tdb, d);
+ ok1(r.dsize == 5);
+ free(r.dptr);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* We can also use incompatible hash with other hashes. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0,
+ flags|TDB_INCOMPATIBLE_HASH,
+ O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
+ tdb_dumb_hash);
+ ok1(tdb);
+ ok1(log_count == 0);
+ d.dptr = discard_const_p(uint8_t, "Hello");
+ d.dsize = 5;
+ ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
+ tdb_close(tdb);
+
+ /* Should have marked rwlocks field. */
+ ok1(hdr_rwlocks("run-incompatible.tdb") == rwmagic);
+
+ /* It should not open if we don't specify. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0,
+ &log_ctx, NULL);
+ ok1(!tdb);
+ ok1(log_count == 1);
+
+ /* Should reopen with correct hash. */
+ log_count = 0;
+ tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0,
+ &log_ctx, tdb_dumb_hash);
+ ok1(tdb);
+ ok1(log_count == 0);
+ r = tdb_fetch(tdb, d);
+ ok1(r.dsize == 5);
+ free(r.dptr);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+ }
+
+ return exit_status();
+}