111 lines
4.3 KiB
C++
111 lines
4.3 KiB
C++
/*
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Copyright (C) 2014 PLVision.
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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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This module is developed by PLVision <developers@plvision.eu>
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*/
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#ifndef _STP_H
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#define _STP_H
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#include "abstractprotocol.h"
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#include "stp.pb.h"
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/*
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Stp Protocol Frame Format -
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+------------------------------------+------------------+------------------+
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| Protocol ID | Protocol VID | BPDU type |
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| (16) | (8) | (8) |
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+------------------+-----------------+------------------+------------------+
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| Flags | Root Identifier ->|
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| (8) | (64) ->|
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+------------------+-------------------------------------------------------+
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|-> Root Identifier ->|
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|-> (64) ->|
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+------------------+-------------------------------------------------------+
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|-> Root Identifier| Root Path Cost ->|
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|-> (8) | (32) ->|
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+------------------+-------------------------------------------------------+
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|-> Root Path Cost | Bridge Identifier ->|
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|-> (32) | (64) ->|
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+------------------+-------------------------------------------------------+
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|-> Bridge Identifier ->|
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|-> (64) ->|
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+------------------+--------------------------------- --+------------------+
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|-> Bridge Identif.| Port Identifier | Message Age ->|
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|-> (64) | (16) | (16) ->|
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+------------------+------------------------------------+------------------+
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|-> Message Age | Max Age | Hello Time ->|
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|-> (16) | (16) | (16) ->|
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+------------------+------------------------------------+------------------+
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|-> Hello Time | Forward delay |
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|-> (16) | (16) |
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+------------------+------------------------------------+
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Figures in brackets represent field width in bits
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*/
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class StpProtocol : public AbstractProtocol
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{
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public:
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enum stpfield
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{
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stp_protocol_id = 0,
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stp_version_id,
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stp_bpdu_type,
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stp_flags,
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stp_root_id,
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stp_root_path_cost,
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stp_bridge_id,
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stp_port_id,
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stp_message_age,
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stp_max_age,
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stp_hello_time,
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stp_forward_delay,
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stp_fieldCount
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};
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StpProtocol(StreamBase *stream, AbstractProtocol *parent = 0);
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virtual ~StpProtocol();
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static AbstractProtocol* createInstance(StreamBase *stream,
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AbstractProtocol *parent = 0);
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virtual quint32 protocolNumber() const;
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virtual void protoDataCopyInto(OstProto::Protocol &protocol) const;
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virtual void protoDataCopyFrom(const OstProto::Protocol &protocol);
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virtual quint32 protocolId(ProtocolIdType type) const;
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virtual QString name() const;
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virtual QString shortName() const;
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virtual int fieldCount() const;
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virtual AbstractProtocol::FieldFlags fieldFlags(int index) const;
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virtual QVariant fieldData(int index, FieldAttrib attrib,
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int streamIndex = 0) const;
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virtual bool setFieldData(int index, const QVariant &value,
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FieldAttrib attrib = FieldValue);
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private:
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OstProto::Stp data_;
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};
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#endif
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