diff options
Diffstat (limited to 'libtransport/src/io_modules/udp/hicn_forwarder_module.h')
-rw-r--r-- | libtransport/src/io_modules/udp/hicn_forwarder_module.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/libtransport/src/io_modules/udp/hicn_forwarder_module.h b/libtransport/src/io_modules/udp/hicn_forwarder_module.h new file mode 100644 index 000000000..845db73bf --- /dev/null +++ b/libtransport/src/io_modules/udp/hicn_forwarder_module.h @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2017-2020 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> + +namespace transport { + +namespace core { + +class UdpSocketConnector; + +class HicnForwarderModule : public IoModule { + static constexpr uint8_t ack_code = 0xc2; + static constexpr uint8_t nack_code = 0xc3; + static constexpr std::uint16_t interface_mtu = 1500; + + public: + union addressLight { + uint32_t ipv4; + struct in6_addr ipv6; + }; + + struct route_to_self_command { + uint8_t messageType; + uint8_t commandID; + uint16_t length; + uint32_t seqNum; + char symbolicOrConnid[16]; + union addressLight address; + uint16_t cost; + uint8_t addressType; + uint8_t len; + }; + + using route_to_self_command = struct route_to_self_command; + + HicnForwarderModule(); + + ~HicnForwarderModule(); + + 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: + UdpSocketConnector *connector_; +}; + +extern "C" IoModule *create_module(void); + +} // namespace core + +} // namespace transport |