pkt_filter6.h

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// Copyright (C) 2013-2015,2021 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#ifndef PKT_FILTER6_H
#define PKT_FILTER6_H

#include <asiolink/io_address.h>
#include <dhcp/pkt6.h>

namespace isc {
namespace dhcp {

struct SocketInfo;

class Iface;

class PktFilter6 {
public:

    virtual ~PktFilter6() { }

    virtual SocketInfo openSocket(const Iface& iface,
                                  const isc::asiolink::IOAddress& addr,
                                  const uint16_t port,
                                  const bool join_multicast) = 0;

    virtual Pkt6Ptr receive(const SocketInfo& socket_info) = 0;

    virtual int send(const Iface& iface, uint16_t sockfd,
                     const Pkt6Ptr& pkt) = 0;

    static bool joinMulticast(int sock, const std::string& ifname,
                              const std::string & mcast);

};


typedef boost::shared_ptr<PktFilter6> PktFilter6Ptr;

} // namespace isc::dhcp
} // namespace isc

#endif // PKT_FILTER6_H