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Add OutputMemoryStream and port most classes to use it

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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
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24
src/llc.cpp
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@@ -39,6 +39,7 @@
#include "memory_helpers.h"
using Tins::Memory::InputMemoryStream;
using Tins::Memory::OutputMemoryStream;
namespace Tins {
@@ -198,33 +199,26 @@ void LLC::clear_information_fields() {
}
void LLC::write_serialization(uint8_t *buffer, uint32_t total_sz, const Tins::PDU *parent) {
#ifdef TINS_DEBUG
assert(total_sz >= header_size());
#endif
if(inner_pdu() && inner_pdu()->pdu_type() == PDU::STP) {
OutputMemoryStream stream(buffer, total_sz);
if (inner_pdu() && inner_pdu()->pdu_type() == PDU::STP) {
dsap(0x42);
ssap(0x42);
}
std::memcpy(buffer, &_header, sizeof(_header));
buffer += sizeof(_header);
stream.write(_header);
switch (type()) {
case LLC::UNNUMBERED:
std::memcpy(buffer, &(control_field.unnumbered), sizeof(un_control_field));
buffer += sizeof(un_control_field);
stream.write(control_field.unnumbered);
break;
case LLC::INFORMATION:
std::memcpy(buffer, &(control_field.info), sizeof(info_control_field));
buffer += sizeof(info_control_field);
stream.write(control_field.info);
break;
case LLC::SUPERVISORY:
std::memcpy(buffer, &(control_field.super), sizeof(super_control_field));
buffer += sizeof(super_control_field);
stream.write(control_field.super);
break;
}
for (std::list<field_type>::const_iterator it = information_fields.begin(); it != information_fields.end(); it++) {
std::copy(it->begin(), it->end(), buffer);
buffer += it->size();
for (field_list::const_iterator it = information_fields.begin(); it != information_fields.end(); it++) {
stream.write(it->begin(), it->end());
}
}