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