105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
/*
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Copyright (C) 2010-2016 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 _PCAP_TX_THREAD_H
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#define _PCAP_TX_THREAD_H
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#include "abstractport.h"
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#include "packetsequence.h"
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#include "statstuple.h"
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#include <QThread>
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#include <pcap.h>
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class PcapTxThread: public QThread
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{
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public:
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PcapTxThread(const char *device);
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~PcapTxThread();
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bool setRateAccuracy(AbstractPort::Accuracy accuracy);
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bool setStreamStatsTracking(bool enable);
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void clearPacketList();
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void loopNextPacketSet(qint64 size, qint64 repeats,
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long repeatDelaySec, long repeatDelayNsec);
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bool appendToPacketList(long sec, long usec, const uchar *packet,
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int length);
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void setPacketListLoopMode(bool loop, quint64 secDelay, quint64 nsecDelay);
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void setHandle(pcap_t *handle);
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void setStats(StatsTuple *stats);
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const StreamStats& streamStats();
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void clearStreamStats();
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void run();
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void start();
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void stop();
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bool isRunning();
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double lastTxDuration();
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private:
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enum State
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{
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kNotStarted,
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kRunning,
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kFinished
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};
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static void udelay(unsigned long usec);
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int sendQueueTransmit(pcap_t *p, PacketSequence *seq,
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long &overHead, int sync);
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void updateTxStreamStats();
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// Intermediate state variables used while building the packet list
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PacketSequence *currentPacketSequence_;
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int repeatSequenceStart_;
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quint64 repeatSize_;
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quint64 packetCount_;
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QList<PacketSequence*> packetSequenceList_;
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quint64 packetListSize_; // count of pkts in packet List including repeats
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int returnToQIdx_;
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quint64 loopDelay_;
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void (*udelayFn_)(unsigned long);
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bool usingInternalHandle_;
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pcap_t *handle_;
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volatile bool stop_;
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volatile State state_;
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bool trackStreamStats_;
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StatsTuple *stats_;
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StatsTuple lastStats_;
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StreamStats streamStats_;
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quint8 ttagId_{0};
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double lastTxDuration_{0.0}; // in secs
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const ulong kTtagPktInterval{5}; // T-Tag pkt once every X sec
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};
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#endif
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