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370a46462c
Per-L3 support is provided as a template, with the L3 protocol as a parameter, so the address type for each protocol is a concrete type without requiring dynamic allocation or virtual functions for hashing and comparing addresses.
44 lines
953 B
C++
44 lines
953 B
C++
/*
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* Copyright (C) 2014 Cloudius Systems, Ltd.
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*/
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#include "arp.hh"
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namespace net {
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arp_for_protocol::arp_for_protocol(arp& a, uint16_t proto_num)
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: _arp(a), _proto_num(proto_num) {
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_arp.add(proto_num, this);
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}
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arp_for_protocol::~arp_for_protocol() {
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_arp.del(_proto_num);
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}
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arp::arp(interface* netif) : _netif(netif), _proto(netif, 0x0806) {
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run();
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}
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void arp::add(uint16_t proto_num, arp_for_protocol* afp) {
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_arp_for_protocol[proto_num] = afp;
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}
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void arp::del(uint16_t proto_num) {
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_arp_for_protocol.erase(proto_num);
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}
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void arp::run() {
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_proto.receive().then([this] (packet p, ethernet_address from) {
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auto ah = p.get_header<arp_hdr>(0);
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ntoh(*ah);
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auto i = _arp_for_protocol.find(ah->ptype);
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hton(*ah); // return to raw state for further processing
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if (i != _arp_for_protocol.end()) {
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i->second->received(std::move(p));
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}
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run();
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});
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}
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}
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