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flow.h

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/***************************************************************************
                                 flow.h
                             -------------------
    begin                : Fri Feb 1 2002
    copyright            : (C) 2002 by Constantinos A. Kotsokalis
    email                : ckotso@grnet.gr
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef FLOW_H
#define FLOW_H

class Flow;

#include "common.h"
#include "timestamp.h"

// A union of the possible flow body formats
union FlowBody {
    V1Body v1;
    V5Body v5;
    V8BodyAS v8as;
    V8BodyPP v8pp;
    V8BodySP v8sp;
    V8BodyDP v8dp;
    V8BodyPR v8pr;
    V9Body v9;
};

// Represents a single flow of data as provided by NetFlow
class Flow {
private:
    // The flow body
    FlowBody flowbody;
    // Protocol version
    uint16_t version;
    // Input and output interface
    uint16_t input, output;
    // Destination address
    uint32_t dstaddr;
    // Aggregation type
    uint8_t aggtype;
    TimeStamp begin, end;
    
public:
    Flow();
    virtual ~Flow();
    // Set the flow data from a raw buffer
    void flSet(uint16_t&, uint32_t&, uint32_t&, uint32_t&, uint8_t *, uint8_t maggtype=0);
    // Return the input interface
    virtual const uint16_t getInput() {return input;}
    // Return the output interface
    virtual const uint16_t getOutput() {return output;}
    // Return the version number
    virtual const uint16_t getVersion() {return version;}
    // Return the destination address
    virtual const uint32_t getDstAddr() {return dstaddr;}
    // Return the number of packets thath this flow holds
    virtual const uint32_t getPackets();
    // Return the number of octets that this flow holds
    virtual const uint32_t getOctets();
    // Return the timestamp indicating when the flow started
    virtual const uint32_t getStartTime();
    // Return the timestamp indicating when the flow ended
    virtual const uint32_t getEndTime();
    virtual TimeStamp getUBegin() { return begin; }
    virtual TimeStamp getUEnd() { return end; }
};

#endif

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