1 files changed, 54 insertions, 0 deletions

diff --git a/src/service/cadet/cadet_api_helper.c b/src/service/cadet/cadet_api_helper.c
new file mode 100644
index 000000000..52aec6cc9
--- /dev/null
+++ b/src/service/cadet/cadet_api_helper.c
@@ -0,0 +1,54 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2011, 2017 GNUnet e.V.
+
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     or (at your option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     Affero General Public License for more details.
+
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @file cadet/cadet_api_helper.c
+ * @brief cadet api: client implementation of cadet service
+ * @author Bartlomiej Polot
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_constants.h"
+#include "gnunet_cadet_service.h"
+#include "cadet.h"
+#include "cadet_protocol.h"
+
+
+/**
+ * Transitional function to convert an unsigned int port to a hash value.
+ * WARNING: local static value returned, NOT reentrant!
+ * WARNING: do not use this function for new code!
+ *
+ * @param port Numerical port (unsigned int format).
+ *
+ * @return A GNUNET_HashCode usable for the new CADET API.
+ */
+const struct GNUNET_HashCode *
+GC_u2h (uint32_t port)
+{
+  static struct GNUNET_HashCode hash;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+              "This is a transitional function, use proper crypto hashes as CADET ports\n");
+  GNUNET_CRYPTO_hash (&port,
+                      sizeof(port),
+                      &hash);
+  return &hash;
+}