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/*
Copyright (C) 2011 Srivats P.
This file is part of "Ostinato"
This is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#include "vlanpdml.h"
#include "eth2.pb.h"
#include "vlan.pb.h"
PdmlVlanProtocol::PdmlVlanProtocol()
{
ostProtoId_ = OstProto::Protocol::kVlanFieldNumber;
}
PdmlProtocol* PdmlVlanProtocol::createInstance()
{
return new PdmlVlanProtocol();
}
void PdmlVlanProtocol::preProtocolHandler(QString /*name*/,
const QXmlStreamAttributes& /*attributes*/, int /*expectedPos*/,
OstProto::Protocol *pbProto, OstProto::Stream *stream)
{
OstProto::Vlan *vlan = pbProto->MutableExtension(OstProto::vlan);
vlan->set_tpid(0x8100);
vlan->set_is_override_tpid(true);
// If a eth2 protocol precedes vlan, we remove the eth2 protocol
// 'coz the eth2.etherType is actually the vlan.tpid
//
// We assume that the current protocol is the last in the stream
int index = stream->protocol_size() - 1;
if ((index > 1)
&& (stream->protocol(index).protocol_id().id()
== OstProto::Protocol::kVlanFieldNumber)
&& (stream->protocol(index - 1).protocol_id().id()
== OstProto::Protocol::kEth2FieldNumber))
{
stream->mutable_protocol()->SwapElements(index, index - 1);
Q_ASSERT(stream->protocol(index).protocol_id().id()
== OstProto::Protocol::kEth2FieldNumber);
stream->mutable_protocol()->RemoveLast();
}
}
void PdmlVlanProtocol::unknownFieldHandler(QString name, int /*pos*/,
int /*size*/, const QXmlStreamAttributes &attributes,
OstProto::Protocol *pbProto, OstProto::Stream *stream)
{
if (name == "vlan.id")
{
bool isOk;
OstProto::Vlan *vlan = pbProto->MutableExtension(OstProto::vlan);
uint tag = attributes.value("unmaskedvalue").isEmpty() ?
attributes.value("value").toString().toUInt(&isOk, kBaseHex) :
attributes.value("unmaskedvalue").toString().toUInt(&isOk,kBaseHex);
vlan->set_vlan_tag(tag);
}
else if (name == "vlan.etype")
{
OstProto::Protocol *proto = stream->add_protocol();
proto->mutable_protocol_id()->set_id(
OstProto::Protocol::kEth2FieldNumber);
bool isOk;
OstProto::Eth2 *eth2 = proto->MutableExtension(OstProto::eth2);
eth2->set_type(attributes.value("value")
.toString().toUInt(&isOk, kBaseHex));
eth2->set_is_override_type(true);
}
}
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