eth_address.h

// Copyright 2023-2025 The Aerospace Corporation.
// This file is a part of SatCat5, licensed under CERN-OHL-W v2 or later.
// Send packets to a specific Ethernet address.
 
#pragma once
 
#include <satcat5/eth_dispatch.h>
#include <satcat5/eth_header.h>
#include <satcat5/net_address.h>
 
namespace satcat5 {
    namespace eth {
        class Address : public satcat5::net::Address {
        public:
            explicit Address(satcat5::eth::Dispatch* iface);
 
            void connect(
                const satcat5::eth::MacAddr& addr,
                const satcat5::eth::MacType& type,
                const satcat5::eth::VlanTag& vtag = satcat5::eth::VTAG_NONE);
 
            // Required overrides from net::Address:
            satcat5::net::Dispatch* iface() const override;
            satcat5::io::Writeable* open_write(unsigned len) override;
            void close() override;
            bool ready() const override;
            bool is_multicast() const override;
            bool matches_reply_address() const override;
            bool reply_is_multicast() const override;
            void save_reply_address() override;
 
            // Other accessors.
            inline satcat5::eth::MacAddr dstmac() const
                { return m_addr; }
            inline satcat5::eth::MacAddr srcmac() const
                { return m_iface->macaddr(); }
            inline satcat5::eth::MacType etype() const
                { return m_type; }
            inline satcat5::eth::VlanTag vtag() const
                { return m_vtag; }
            inline satcat5::eth::Header header() const
                { return {m_addr, srcmac(), m_type, m_vtag}; }
 
        protected:
            satcat5::eth::Dispatch* const m_iface;
            satcat5::eth::MacAddr m_addr;
            satcat5::eth::MacType m_type;
            satcat5::eth::VlanTag m_vtag;
        };
 
        class AddressContainer {
        protected:
            explicit AddressContainer(satcat5::eth::Dispatch* iface)
                : m_addr(iface) {}
            ~AddressContainer() {}
            satcat5::eth::Address m_addr;
        };
    }
}