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Diffstat (limited to 'libtransport/src/io_modules/loopback/loopback_module.cc')
-rw-r--r-- | libtransport/src/io_modules/loopback/loopback_module.cc | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/libtransport/src/io_modules/loopback/loopback_module.cc b/libtransport/src/io_modules/loopback/loopback_module.cc new file mode 100644 index 000000000..0bdbf8c8e --- /dev/null +++ b/libtransport/src/io_modules/loopback/loopback_module.cc @@ -0,0 +1,84 @@ +/* + * 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. + */ + +#include <hicn/transport/errors/not_implemented_exception.h> +#include <hicn/transport/utils/log.h> +#include <io_modules/loopback/loopback_module.h> + +namespace transport { + +namespace core { + +std::vector<std::unique_ptr<LocalConnector>> LoopbackModule::local_faces_; +std::atomic<uint32_t> LoopbackModule::global_counter_(0); + +LoopbackModule::LoopbackModule() : IoModule(), local_id_(~0) {} + +LoopbackModule::~LoopbackModule() {} + +void LoopbackModule::connect(bool is_consumer) {} + +bool LoopbackModule::isConnected() { return true; } + +void LoopbackModule::send(Packet &packet) { + IoModule::send(packet); + + TRANSPORT_LOGD("LoopbackModule: sending from %u to %d", local_id_, + 1 - local_id_); + + local_faces_.at(1 - local_id_)->send(packet); +} + +void LoopbackModule::send(const uint8_t *packet, std::size_t len) { + // not supported + throw errors::NotImplementedException(); +} + +void LoopbackModule::registerRoute(const Prefix &prefix) { + // For the moment we route packets from one socket to the other. + // Next step will be to introduce a FIB + return; +} + +void LoopbackModule::closeConnection() { + local_faces_.erase(local_faces_.begin() + local_id_); +} + +void LoopbackModule::init(Connector::PacketReceivedCallback &&receive_callback, + Connector::OnReconnectCallback &&reconnect_callback, + asio::io_service &io_service, + const std::string &app_name) { + if (local_id_ == uint32_t(~0) && global_counter_ < 2) { + local_id_ = global_counter_++; + local_faces_.emplace( + local_faces_.begin() + local_id_, + new LocalConnector(io_service, std::move(receive_callback), nullptr, + nullptr, std::move(reconnect_callback))); + } +} + +void LoopbackModule::processControlMessageReply(utils::MemBuf &packet_buffer) { + return; +} + +std::uint32_t LoopbackModule::getMtu() { return interface_mtu; } + +bool LoopbackModule::isControlMessage(const uint8_t *message) { return false; } + +extern "C" IoModule *create_module(void) { return new LoopbackModule(); } + +} // namespace core + +} // namespace transport |