1 files changed, 83 insertions, 0 deletions
diff --git a/libtransport/src/io_modules/memif/vpp_forwarder_module.h b/libtransport/src/io_modules/memif/vpp_forwarder_module.h
new file mode 100644
index 000000000..8c4114fed
--- /dev/null
+++ b/libtransport/src/io_modules/memif/vpp_forwarder_module.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2017-2019 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.
+ */
+
+#pragma once
+
+#include <hicn/transport/core/io_module.h>
+#include <hicn/transport/core/prefix.h>
+
+#ifdef always_inline
+#undef always_inline
+#endif
+extern "C" {
+#include <vapi/vapi_safe.h>
+};
+
+namespace transport {
+
+namespace core {
+
+class MemifConnector;
+
+class VPPForwarderModule : public IoModule {
+  static constexpr std::uint16_t interface_mtu = 1500;
+
+ public:
+  VPPForwarderModule();
+  ~VPPForwarderModule();
+
+  void connect(bool is_consumer) override;
+
+  void send(Packet &packet) override;
+  void send(const uint8_t *packet, std::size_t len) override;
+
+  bool isConnected() override;
+
+  void init(Connector::PacketReceivedCallback &&receive_callback,
+            Connector::OnReconnectCallback &&reconnect_callback,
+            asio::io_service &io_service,
+            const std::string &app_name = "Libtransport") override;
+
+  void registerRoute(const Prefix &prefix) override;
+
+  std::uint32_t getMtu() override;
+
+  bool isControlMessage(const uint8_t *message) override;
+
+  void processControlMessageReply(utils::MemBuf &packet_buffer) override;
+
+  void closeConnection() override;
+
+ private:
+  uint32_t getMemifConfiguration();
+  void consumerConnection();
+  void producerConnection();
+
+ private:
+  MemifConnector *connector_;
+  uint32_t memif_id_;
+  uint32_t sw_if_index_;
+  // A consumer socket in vpp has two faces (ipv4 and ipv6)
+  uint32_t face_id1_;
+  uint32_t face_id2_;
+  bool is_consumer_;
+  vapi_ctx_t sock_;
+};
+
+extern "C" IoModule *create_module(void);
+
+}  // namespace core
+
+}  // namespace transport