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Added some helper methods to Dot1Q.

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This commit is contained in:
Matias Fontanini
2013-03-26 23:42:43 -03:00
parent dfc0498b70
commit 97049140af
4 changed files with 41 additions and 8 deletions
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22
src/dot1q.cpp
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@@ -35,10 +35,10 @@
namespace Tins {
Dot1Q::Dot1Q()
: _header()
Dot1Q::Dot1Q(small_uint<12> tag_id, bool append_pad)
: _header(), _append_padding(append_pad)
{
id(tag_id);
}
Dot1Q::Dot1Q(const uint8_t *buffer, uint32_t total_sz) {
@@ -85,10 +85,14 @@ uint32_t Dot1Q::header_size() const {
}
uint32_t Dot1Q::trailer_size() const {
uint32_t total_size = sizeof(_header);
if(inner_pdu())
total_size += inner_pdu()->size();
return (total_size > 50) ? 0 : (50 - total_size);
if(_append_padding) {
uint32_t total_size = sizeof(_header);
if(inner_pdu())
total_size += inner_pdu()->size();
return (total_size > 50) ? 0 : (50 - total_size);
}
else
return 0;
}
void Dot1Q::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *) {
@@ -118,6 +122,10 @@ void Dot1Q::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *)
}
#endif
void Dot1Q::append_padding(bool value) {
_append_padding = value;
}
bool Dot1Q::matches_response(uint8_t *ptr, uint32_t total_sz) {
if(total_sz < sizeof(_header))
return false;