92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
/*
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Copyright (C) 2010 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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#ifndef _IP_6_OVER_6_H
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#define _IP_6_OVER_6_H
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#include "ip6over6.pb.h"
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#include "comboprotocol.h"
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#include "ip6.h"
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typedef ComboProtocol<OstProto::Protocol::kIp6over6FieldNumber,
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Ip6Protocol, Ip6Protocol> Ip6over6Combo;
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class Ip6over6Protocol : public Ip6over6Combo
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{
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public:
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Ip6over6Protocol(StreamBase *stream, AbstractProtocol *parent = 0)
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: Ip6over6Combo(stream, parent)
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{
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}
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static Ip6over6Protocol* createInstance(StreamBase *stream,
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AbstractProtocol *parent)
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{
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return new Ip6over6Protocol(stream, parent);
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}
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virtual void protoDataCopyInto(OstProto::Protocol &protocol) const
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{
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OstProto::Protocol tempProto;
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protoA->protoDataCopyInto(tempProto);
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protocol.MutableExtension(OstProto::ip6over6)
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->MutableExtension(OstProto::ip6_outer)
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->CopyFrom(tempProto.GetExtension(OstProto::ip6));
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tempProto.Clear();
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protoB->protoDataCopyInto(tempProto);
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protocol.MutableExtension(OstProto::ip6over6)
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->MutableExtension(OstProto::ip6_inner)
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->CopyFrom(tempProto.GetExtension(OstProto::ip6));
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protocol.mutable_protocol_id()->set_id(protocolNumber());
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}
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virtual void protoDataCopyFrom(const OstProto::Protocol &protocol)
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{
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if (protocol.protocol_id().id() == protocolNumber()
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&& protocol.HasExtension(OstProto::ip6over6))
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{
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OstProto::Protocol tempProto;
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// NOTE: To use protoX->protoDataCopyFrom() we need to arrange
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// so that it sees its own protocolNumber() and its own extension
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// in 'protocol'
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tempProto.mutable_protocol_id()->set_id(protoA->protocolNumber());
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tempProto.MutableExtension(OstProto::ip6)->CopyFrom(
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protocol.GetExtension(OstProto::ip6over6).GetExtension(
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OstProto::ip6_outer));
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protoA->protoDataCopyFrom(tempProto);
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tempProto.Clear();
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tempProto.mutable_protocol_id()->set_id(protoB->protocolNumber());
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tempProto.MutableExtension(OstProto::ip6)->CopyFrom(
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protocol.GetExtension(OstProto::ip6over6).GetExtension(
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OstProto::ip6_inner));
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protoB->protoDataCopyFrom(tempProto);
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}
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}
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};
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#endif
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