tdb2: implement tdb_exists and tdb_parse_record

[ccan] / ccan / tdb2 / test / run-21-parse_record.c

diff --git a/ccan/tdb2/test/run-21-parse_record.c b/ccan/tdb2/test/run-21-parse_record.c
new file mode 100644 (file)
index 0000000..b6601d0
--- /dev/null
+++ b/ccan/tdb2/test/run-21-parse_record.c
@@ -0,0 +1,72 @@
+#include <ccan/tdb2/tdb.c>
+#include <ccan/tdb2/open.c>
+#include <ccan/tdb2/free.c>
+#include <ccan/tdb2/lock.c>
+#include <ccan/tdb2/io.c>
+#include <ccan/tdb2/hash.c>
+#include <ccan/tdb2/check.c>
+#include <ccan/tdb2/transaction.c>
+#include <ccan/tap/tap.h>
+#include "logging.h"
+
+static enum TDB_ERROR parse(TDB_DATA key, TDB_DATA data, TDB_DATA *expected)
+{
+       if (data.dsize != expected->dsize)
+               return TDB_ERR_EINVAL;
+       if (memcmp(data.dptr, expected->dptr, data.dsize) != 0)
+               return TDB_ERR_EINVAL;
+       return TDB_SUCCESS;
+}
+
+static enum TDB_ERROR parse_err(TDB_DATA key, TDB_DATA data, void *unused)
+{
+       return 100;
+}
+
+static bool test_records(struct tdb_context *tdb)
+{
+       int i;
+       struct tdb_data key = { (unsigned char *)&i, sizeof(i) };
+       struct tdb_data data = { (unsigned char *)&i, sizeof(i) };
+
+       for (i = 0; i < 1000; i++) {
+               if (tdb_store(tdb, key, data, TDB_REPLACE) != 0)
+                       return false;
+       }
+
+       for (i = 0; i < 1000; i++) {
+               if (tdb_parse_record(tdb, key, parse, &data) != TDB_SUCCESS)
+                       return false;
+       }
+
+       if (tdb_parse_record(tdb, key, parse, &data) != TDB_ERR_NOEXIST)
+               return false;
+
+       /* Test error return from parse function. */
+       i = 0;
+       if (tdb_parse_record(tdb, key, parse_err, NULL) != 100)
+               return false;
+
+       return true;
+}
+
+int main(int argc, char *argv[])
+{
+       unsigned int i;
+       struct tdb_context *tdb;
+       int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
+                       TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
+                       TDB_NOMMAP|TDB_CONVERT };
+
+       plan_tests(sizeof(flags) / sizeof(flags[0]) * 2 + 1);
+       for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+               tdb = tdb_open("run-14-exists.tdb", flags[i],
+                              O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
+               if (ok1(tdb))
+                       ok1(test_records(tdb));
+               tdb_close(tdb);
+       }
+
+       ok1(tap_log_messages == 0);
+       return exit_status();
+}