ofswitch13-stats-calculator.h

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/*
 * Copyright (c) 2017 University of Campinas (Unicamp)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Luciano Jerez Chaves <ljerezchaves@gmail.com>
 */
 
#ifndef OFSWITCH13_STATS_CALCULATOR_H
#define OFSWITCH13_STATS_CALCULATOR_H
 
#include <ns3/ofswitch13-device.h>
 
namespace ns3
{
 
class OFSwitch13StatsCalculator : public Object
{
  public:
    OFSwitch13StatsCalculator();           
    ~OFSwitch13StatsCalculator() override; 
 
    static TypeId GetTypeId();
 
    void HookSinks(Ptr<OFSwitch13Device> device);
 
    //\{
    uint32_t GetEwmaBufferEntries() const;
    DataRate GetEwmaCpuLoad() const;
    uint32_t GetEwmaFlowTableEntries(uint8_t tableId) const;
    uint32_t GetEwmaGroupTableEntries() const;
    uint32_t GetEwmaMeterTableEntries() const;
    Time GetEwmaPipelineDelay() const;
    uint32_t GetEwmaSumFlowEntries() const;
    //\}
 
    //\{
    uint32_t GetAvgBufferUsage() const;
    uint32_t GetAvgCpuUsage() const;
    uint32_t GetAvgFlowTableUsage(uint8_t tableId) const;
    uint32_t GetAvgGroupTableUsage() const;
    uint32_t GetAvgMeterTableUsage() const;
    uint32_t GetAvgActFlowTableUsage() const;
    //\}
 
  protected:
    void DoDispose() override;
 
    // Inherited from ObjectBase.
    void NotifyConstructionCompleted() override;
 
  private:
    void NotifyDatapathTimeout(Ptr<const OFSwitch13Device> device);
 
    void NotifyOverloadDrop(Ptr<const Packet> packet);
 
    void NotifyMeterDrop(Ptr<const Packet> packet, uint32_t meterId);
 
    void NotifyTableDrop(Ptr<const Packet> packet, uint8_t tableId);
 
    void NotifyPipelinePacket(Ptr<const Packet> packet);
 
    void DumpStatistics();
 
    Ptr<OFSwitch13Device> m_device;     
    Ptr<OutputStreamWrapper> m_wrapper; 
    std::string m_filename;             
    Time m_timeout;                     
    Time m_lastUpdate;                  
    double m_alpha;                     
    bool m_details;                     
 
    //\{
    double m_ewmaBufferEntries;
    double m_ewmaCpuLoad;
    double m_ewmaGroupEntries;
    double m_ewmaMeterEntries;
    double m_ewmaPipelineDelay;
    double m_ewmaSumFlowEntries;
 
    std::vector<double> m_ewmaFlowEntries;
 
    uint64_t m_bytes;
    uint64_t m_lastFlowMods;
    uint64_t m_lastGroupMods;
    uint64_t m_lastMeterMods;
    uint64_t m_lastPacketsIn;
    uint64_t m_lastPacketsOut;
    uint64_t m_loadDrops;
    uint64_t m_meterDrops;
    uint64_t m_tableDrops;
    uint64_t m_packets;
    //\}
};
 
} // namespace ns3
#endif /* OFSWITCH13_STATS_CALCULATOR_H */