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/*
* Copyright (c) 2021 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 <glog/logging.h>
#include <hicn/transport/errors/not_implemented_exception.h>
#include <io_modules/forwarder/forwarder_module.h>
namespace transport {
namespace core {
ForwarderModule::ForwarderModule()
: IoModule(),
name_(""),
connector_id_(Connector::invalid_connector),
forwarder_ptr_(ForwarderGlobal::getInstance().getReference()),
forwarder_(*forwarder_ptr_) {}
ForwarderModule::~ForwarderModule() {}
bool ForwarderModule::isConnected() { return true; }
void ForwarderModule::send(Packet &packet) {
IoModule::send(packet);
forwarder_.send(packet, connector_id_);
DLOG_IF(INFO, VLOG_IS_ON(3))
<< "Sending from " << connector_id_ << " to " << 1 - connector_id_;
}
void ForwarderModule::send(const utils::MemBuf::Ptr &buffer) {
// not supported
throw errors::NotImplementedException();
}
void ForwarderModule::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 ForwarderModule::closeConnection() {
forwarder_.deleteConnector(connector_id_);
}
void ForwarderModule::init(Connector::PacketReceivedCallback &&receive_callback,
Connector::PacketSentCallback &&sent_callback,
Connector::OnCloseCallback &&close_callback,
Connector::OnReconnectCallback &&reconnect_callback,
asio::io_service &io_service,
const std::string &app_name) {
connector_id_ = forwarder_.registerLocalConnector(
io_service, std::move(receive_callback), std::move(sent_callback),
std::move(close_callback), std::move(reconnect_callback));
name_ = app_name;
}
void ForwarderModule::processControlMessageReply(utils::MemBuf &packet_buffer) {
return;
}
void ForwarderModule::connect(bool is_consumer) {
forwarder_.getConnector(connector_id_)
->setRole(is_consumer ? Connector::Role::CONSUMER
: Connector::Role::PRODUCER);
}
std::uint32_t ForwarderModule::getMtu() { return interface_mtu; }
bool ForwarderModule::isControlMessage(utils::MemBuf &packet_buffer) {
return false;
}
extern "C" IoModule *create_module(void) { return new ForwarderModule(); }
} // namespace core
} // namespace transport
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