129 lines
3.2 KiB
C++
129 lines
3.2 KiB
C++
/*
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Copyright (C) 2015 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 _DEVICE_H
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#define _DEVICE_H
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#include "../common/emulproto.pb.h"
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#include "../common/protocol.pb.h"
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#include "../common/uint128.h"
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#include <QByteArray>
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#include <QHash>
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class DeviceManager;
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class PacketBuffer;
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class DeviceKey: public QByteArray
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{
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};
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class Device
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{
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public:
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static const quint16 kVlanTpid = 0x8100;
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enum NeighborSet {
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kAllNeighbors,
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kUnresolvedNeighbors
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};
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public:
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Device(DeviceManager *deviceManager);
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void setVlan(int index, quint16 vlan, quint16 tpid = kVlanTpid);
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quint64 mac();
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void setMac(quint64 mac);
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void setIp4(quint32 address, int prefixLength, quint32 gateway);
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void setIp6(UInt128 address, int prefixLength, UInt128 gateway);
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void getConfig(OstEmul::Device *deviceConfig);
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QString config();
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DeviceKey key();
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void clearKey();
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int encapSize();
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void encap(PacketBuffer *pktBuf, quint64 dstMac, quint16 type);
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void receivePacket(PacketBuffer *pktBuf);
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void transmitPacket(PacketBuffer *pktBuf);
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void resolveGateway();
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void clearNeighbors(Device::NeighborSet set);
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void resolveNeighbor(PacketBuffer *pktBuf);
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void getNeighbors(OstEmul::DeviceNeighborList *neighbors);
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bool isOrigin(const PacketBuffer *pktBuf);
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quint64 neighborMac(const PacketBuffer *pktBuf);
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private: // methods
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void receiveArp(PacketBuffer *pktBuf);
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void sendArpRequest(PacketBuffer *pktBuf);
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void sendArpRequest(quint32 tgtIp);
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void receiveIp4(PacketBuffer *pktBuf);
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void sendIp4Reply(PacketBuffer *pktBuf);
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void receiveIcmp4(PacketBuffer *pktBuf);
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void receiveIp6(PacketBuffer *pktBuf);
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bool sendIp6(PacketBuffer *pktBuf, UInt128 dstIp, quint8 protocol);
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void sendIp6Reply(PacketBuffer *pktBuf);
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void receiveIcmp6(PacketBuffer *pktBuf);
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void receiveNdp(PacketBuffer *pktBuf);
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void sendNeighborSolicit(PacketBuffer *pktBuf);
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void sendNeighborSolicit(UInt128 tgtIp);
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void sendNeighborAdvertisement(PacketBuffer *pktBuf);
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private: // data
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static const int kMaxVlan = 4;
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DeviceManager *deviceManager_;
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int numVlanTags_;
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quint32 vlan_[kMaxVlan];
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quint64 mac_;
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bool hasIp4_;
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quint32 ip4_;
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int ip4PrefixLength_;
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quint32 ip4Gateway_;
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quint32 ip4Mask_;
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quint32 ip4Subnet_;
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bool hasIp6_;
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UInt128 ip6_;
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int ip6PrefixLength_;
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UInt128 ip6Gateway_;
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UInt128 ip6Mask_;
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UInt128 ip6Subnet_;
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DeviceKey key_;
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QHash<quint32, quint64> arpTable_;
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QHash<UInt128, quint64> ndpTable_;
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};
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bool operator<(const DeviceKey &a1, const DeviceKey &a2);
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#endif
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