TDB2: Goodbye TDB2, Hello NTDB.

This renames everything from tdb2 to ntdb: importantly, we no longer
use the tdb_ namespace, so you can link against both ntdb and tdb if
you want to.

This also enables building of standalone ntdb by the autobuild script.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 83 insertions, 0 deletions

diff --git a/lib/ntdb/test/api-open-multiple-times.c b/lib/ntdb/test/api-open-multiple-times.c
new file mode 100644
index 0000000000..70bad00568
--- /dev/null
+++ b/lib/ntdb/test/api-open-multiple-times.c
@@ -0,0 +1,83 @@
+#include "config.h"
+#include "ntdb.h"
+#include "tap-interface.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include "logging.h"
+
+int main(int argc, char *argv[])
+{
+	unsigned int i;
+	struct ntdb_context *ntdb, *ntdb2;
+	NTDB_DATA key = { (unsigned char *)&i, sizeof(i) };
+	NTDB_DATA data = { (unsigned char *)&i, sizeof(i) };
+	NTDB_DATA d = { NULL, 0 }; /* Bogus GCC warning */
+	int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
+			NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
+
+	plan_tests(sizeof(flags) / sizeof(flags[0]) * 28);
+	for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+		ntdb = ntdb_open("run-open-multiple-times.ntdb", flags[i],
+			       O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+		ok1(ntdb);
+		if (!ntdb)
+			continue;
+
+		ntdb2 = ntdb_open("run-open-multiple-times.ntdb", flags[i],
+				O_RDWR|O_CREAT, 0600, &tap_log_attr);
+		ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+		ok1(ntdb_check(ntdb2, NULL, NULL) == 0);
+
+		/* Store in one, fetch in the other. */
+		ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == 0);
+		ok1(ntdb_fetch(ntdb2, key, &d) == NTDB_SUCCESS);
+		ok1(ntdb_deq(d, data));
+		free(d.dptr);
+
+		/* Vice versa, with delete. */
+		ok1(ntdb_delete(ntdb2, key) == 0);
+		ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_NOEXIST);
+
+		/* OK, now close first one, check second still good. */
+		ok1(ntdb_close(ntdb) == 0);
+
+		ok1(ntdb_store(ntdb2, key, data, NTDB_REPLACE) == 0);
+		ok1(ntdb_fetch(ntdb2, key, &d) == NTDB_SUCCESS);
+		ok1(ntdb_deq(d, data));
+		free(d.dptr);
+
+		/* Reopen */
+		ntdb = ntdb_open("run-open-multiple-times.ntdb", flags[i],
+			       O_RDWR|O_CREAT, 0600, &tap_log_attr);
+		ok1(ntdb);
+
+		ok1(ntdb_transaction_start(ntdb2) == 0);
+
+		/* Anything in the other one should fail. */
+		ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
+		ok1(tap_log_messages == 1);
+		ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
+		ok1(tap_log_messages == 2);
+		ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
+		ok1(tap_log_messages == 3);
+		ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
+		ok1(tap_log_messages == 4);
+
+		/* Transaciton should work as normal. */
+		ok1(ntdb_store(ntdb2, key, data, NTDB_REPLACE) == NTDB_SUCCESS);
+
+		/* Now... try closing with locks held. */
+		ok1(ntdb_close(ntdb2) == 0);
+
+		ok1(ntdb_fetch(ntdb, key, &d) == NTDB_SUCCESS);
+		ok1(ntdb_deq(d, data));
+		free(d.dptr);
+		ok1(ntdb_close(ntdb) == 0);
+		ok1(tap_log_messages == 4);
+		tap_log_messages = 0;
+	}
+
+	return exit_status();
+}