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Add extract_metadata to main PDU classes

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This commit is contained in:
Matias Fontanini
2016-02-20 22:19:12 -08:00
parent dae25b3381
commit 17da10d76e
32 changed files with 318 additions and 12 deletions
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12
src/ethernetII.cpp
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@@ -61,8 +61,18 @@ namespace Tins {
const EthernetII::address_type EthernetII::BROADCAST("ff:ff:ff:ff:ff:ff");
PDU::metadata EthernetII::extract_metadata(const uint8_t *buffer, uint32_t total_sz) {
if (TINS_UNLIKELY(total_sz < sizeof(ethernet_header))) {
throw malformed_packet();
}
const ethernet_header* header = (const ethernet_header*)buffer;
PDUType next_type = Internals::ether_type_to_pdu_flag(
static_cast<Constants::Ethernet::e>(Endian::be_to_host(header->payload_type)));
return metadata(sizeof(ethernet_header), pdu_flag, next_type);
}
EthernetII::EthernetII(const address_type& dst_hw_addr,
const address_type& src_hw_addr)
const address_type& src_hw_addr)
: header_() {
dst_addr(dst_hw_addr);
src_addr(src_hw_addr);