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/*
* 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
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