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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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8
src/tcp.cpp
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@@ -51,6 +51,14 @@ namespace Tins {
const uint16_t TCP::DEFAULT_WINDOW = 32678;
PDU::metadata TCP::extract_metadata(const uint8_t *buffer, uint32_t total_sz) {
if (TINS_UNLIKELY(total_sz < sizeof(tcp_header))) {
throw malformed_packet();
}
const tcp_header* header = (const tcp_header*)buffer;
return metadata(header->doff * 4, pdu_flag, PDU::UNKNOWN);
}
TCP::TCP(uint16_t dport, uint16_t sport)
: header_(), options_size_(0), total_options_size_(0) {
this->dport(dport);