tap.h

/*
 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
 * Author: GreenSocs 2022
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#pragma once
 
#include <mutex>
#include <queue>
 
#include <backends/net-backend.h>
 
#include <async_event.h>
 
class NetworkBackendTap : public NetworkBackend, public sc_core::sc_module
{
private:
    gs::async_event m_event;
    std::queue<Payload*> m_queue;
    std::mutex m_mutex;
    int m_fd;
 
    void open(std::string& tun);
    void* rcv_thread();
    void rcv();
    void close();
 
public:
    NetworkBackendTap(sc_core::sc_module_name name, std::string tun);
 
    virtual ~NetworkBackendTap();
 
    void send(Payload& frame);
};