f0dd0c307b
Device emulation packets are received and processed in a different thread compared to the main RPC processing thread where the emulated devices are created/deleted. No packets should be processed while the latter is in progress otherwise the former may access devices that have been deleted.
92 lines
2.6 KiB
C++
92 lines
2.6 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_MANAGER_H
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#define _DEVICE_MANAGER_H
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#include "device.h"
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#include <QHash>
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#include <QMap>
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#include <QMultiHash>
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#include <QMutex>
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#include <QtGlobal>
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class AbstractPort;
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class PacketBuffer;
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namespace OstProto {
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class DeviceGroup;
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};
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class DeviceManager
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{
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public:
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DeviceManager(AbstractPort *parent = 0);
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~DeviceManager();
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void createHostDevices();
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int deviceGroupCount();
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const OstProto::DeviceGroup* deviceGroupAtIndex(int index);
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const OstProto::DeviceGroup* deviceGroup(uint deviceGroupId);
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bool addDeviceGroup(uint deviceGroupId);
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bool deleteDeviceGroup(uint deviceGroupId);
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bool modifyDeviceGroup(const OstProto::DeviceGroup *deviceGroup);
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int deviceCount();
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void getDeviceList(OstProto::PortDeviceList *deviceList);
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void receivePacket(PacketBuffer *pktBuf);
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void transmitPacket(PacketBuffer *pktBuf);
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void resolveDeviceGateways();
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void clearDeviceNeighbors(Device::NeighborSet set = Device::kAllNeighbors);
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void resolveDeviceNeighbor(PacketBuffer *pktBuf);
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void getDeviceNeighbors(OstProto::PortNeighborList *neighborList);
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quint64 deviceMacAddress(PacketBuffer *pktBuf);
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quint64 neighborMacAddress(PacketBuffer *pktBuf);
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private:
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enum Operation { kAdd, kDelete };
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Device* originDevice(PacketBuffer *pktBuf);
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void enumerateDevices(
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const OstProto::DeviceGroup *deviceGroup,
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Operation oper);
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bool insertDevice(DeviceKey key, Device *device);
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bool deleteDevice(DeviceKey key);
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AbstractPort *port_;
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QMutex listLock_; // protects all the lists
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QHash<uint, OstProto::DeviceGroup*> deviceGroupList_;
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QHash<DeviceKey, Device*> deviceList_; // fast access to devices
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QMap<DeviceKey, Device*> sortedDeviceList_; // sorted access to devices
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QMultiHash<DeviceKey, Device*> bcastList_;
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QHash<quint16, uint> tpidList_; // Key: TPID, Value: RefCount
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QList<Device*> hostDeviceList_;
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};
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#endif
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