1
0
mirror of https://github.com/mfontanini/libtins synced 2026-01-26 03:51:35 +01:00

Add OutputMemoryStream and port most classes to use it

This commit is contained in:
Matias Fontanini
2015-12-26 06:30:00 -08:00
parent 9750f46c6d
commit 02e2b278de
34 changed files with 438 additions and 418 deletions

View File

@@ -56,6 +56,7 @@
#include "memory_helpers.h"
using Tins::Memory::InputMemoryStream;
using Tins::Memory::OutputMemoryStream;
namespace Tins {
@@ -152,11 +153,7 @@ bool EthernetII::matches_response(const uint8_t *ptr, uint32_t total_sz) const {
}
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 */
OutputMemoryStream stream(buffer, total_sz);
if (inner_pdu()) {
Constants::Ethernet::e flag = Internals::pdu_flag_to_ether_type(
inner_pdu()->pdu_type()
@@ -165,13 +162,13 @@ void EthernetII::write_serialization(uint8_t *buffer, uint32_t total_sz, const P
payload_type(static_cast<uint16_t>(flag));
}
}
memcpy(buffer, &_eth, sizeof(ethhdr));
uint32_t trailer = trailer_size();
stream.write(_eth);
const 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);
if (inner_pdu()) {
stream.skip(inner_pdu()->size());
}
stream.fill(trailer, 0);
}
}