1 files changed, 49 insertions, 0 deletions
diff --git a/metis/ccnx/forwarder/metis/core/metis_Wldr.h b/metis/ccnx/forwarder/metis/core/metis_Wldr.h
new file mode 100644
index 00000000..9332e9e0
--- /dev/null
+++ b/metis/ccnx/forwarder/metis/core/metis_Wldr.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef Metis_metis_Wldr_h 
+#define Metis_metis_Wldr_h
+
+#include <ccnx/forwarder/metis/core/metis_Message.h>
+#include <ccnx/forwarder/metis/core/metis_Connection.h>
+#include <config.h>
+
+#define BUFFER_SIZE         8192
+#define MAX_RTX             3
+#define WLDR_HEADER_SIZE    6
+#define WLDR_HEADER         12
+#define WLDR_LBL            13
+#define WLDR_NOTIFICATION   14
+
+//WLDR HEADERS :
+//  NORMAL PACKET or RETRASMISSION
+//      | WLDR_HEADER | WLDR_LBL | label (1byte) | label (2bytes) | unused | unused |
+//  NOTIFICATION
+//      | WLDR_HEADER | WLDR_NOTIFICATION | expected_label (1byte) | expected_label (2bytes) | last_received_label (1byte) | last_received_label (2byte) |
+
+struct metis_wldr_state;
+typedef struct metis_wldr_state MetisWldr;
+
+MetisWldr *metisWldr_Init();
+
+void metisWldr_Destroy(MetisWldr **wldrPtr);
+
+void metisWldr_ResetState(MetisWldr *wldr);
+
+void metisWldr_SetLabel(MetisWldr *wldr, MetisMessage *message);
+
+void metisWldr_DetectLosses(MetisWldr *wldr, const MetisConnection *conn, MetisMessage *message);
+
+#endif //Metis_metis_Wldr_h