--- /dev/null
+#define _XOPEN_SOURCE 500
+#include <ccan/tdb/tdb.h>
+#include <ccan/tdb/io.c>
+#include <ccan/tdb/tdb.c>
+#include <ccan/tdb/lock.c>
+#include <ccan/tdb/freelist.c>
+#include <ccan/tdb/traverse.c>
+#include <ccan/tdb/transaction.c>
+#include <ccan/tdb/error.c>
+#include <ccan/tdb/open.c>
+#include <ccan/tdb/check.c>
+#include <ccan/tdb/hash.c>
+#include <ccan/tap/tap.h>
+#include <stdlib.h>
+#include <err.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;
+
+ int fd = open(fname, O_RDONLY);
+ if (fd == -1)
+ return -1;
+
+ if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr))
+ return -1;
+
+ close(fd);
+ return hdr.rwlocks;
+}
+
+int main(int argc, char *argv[])
+{
+ struct tdb_context *tdb;
+ unsigned int log_count, flags;
+ TDB_DATA d;
+ 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 = (void *)"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);
+ ok1(tdb_fetch(tdb, d).dsize == 5);
+ 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 = (void *)"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);
+ ok1(tdb_fetch(tdb, d).dsize == 5);
+ 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);
+ ok1(tdb_fetch(tdb, d).dsize == 5);
+ 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 = (void *)"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);
+ ok1(tdb_fetch(tdb, d).dsize == 5);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+ }
+
+ return exit_status();
+}
projects / ccan / blobdiff