void Callback::call(
const dht::message::Message& m,
dht::Node& node) const
{
_callback(
payload_type(m,node),*this);
}
void Dot1Q::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *) {
uint32_t trailer = trailer_size();
#ifdef TINS_DEBUG
assert(total_sz >= sizeof(_header) + trailer);
#endif
if ((payload_type() == 0) && inner_pdu()) {
Constants::Ethernet::e flag = Internals::pdu_flag_to_ether_type(
inner_pdu()->pdu_type()
);
payload_type(static_cast<uint16_t>(flag));
}
std::memcpy(buffer, &_header, sizeof(_header));
buffer += sizeof(_header);
if(inner_pdu())
buffer += inner_pdu()->size();
std::fill(buffer, buffer + trailer, 0);
}
EthernetII::EthernetII(const uint8_t *buffer, uint32_t total_sz)
{
if(total_sz < sizeof(ethhdr))
throw malformed_packet();
memcpy(&_eth, buffer, sizeof(ethhdr));
buffer += sizeof(ethhdr);
total_sz -= sizeof(ethhdr);
if(total_sz) {
inner_pdu(
Internals::pdu_from_flag(
(Constants::Ethernet::e)payload_type(),
buffer,
total_sz
)
);
}
}
void EthernetII::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent) {
#ifdef TINS_DEBUG
assert(total_sz >= header_size() + trailer_size());
#endif
/* Inner type defaults to IP */
if (inner_pdu()) {
Constants::Ethernet::e flag = Internals::pdu_flag_to_ether_type(
inner_pdu()->pdu_type()
);
payload_type(static_cast<uint16_t>(flag));
}
memcpy(buffer, &_eth, sizeof(ethhdr));
uint32_t trailer = trailer_size();
if (trailer) {
uint32_t trailer_offset = header_size();
if (inner_pdu())
trailer_offset += inner_pdu()->size();
memset(buffer + trailer_offset, 0, trailer);
}
}
