/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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 *
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#define AVER( pFirst, pSecond, Membername ) (( pFirst->Membername + pSecond->Membername ) / 2 )
#define DIFF( pFirst, pSecond, Membername ) ( pSecond->Membername - pFirst->Membername )
#define S_SAFEDIV( a,b ) ((b)==0?CUniString("#DIV"):UniString::CreateFromInt32( (ULONG) ((a)/(b))))
#define S_SAFEDIV_DEC( a,b ) ((b)==0?CUniString("#DIV"):Dec((ULONG) ((a)/(b))))

#include <tools/time.hxx>
#include <tools/string.hxx>
#include <vcl/timer.hxx>

#define PROFILE_START   0x01
#define PROFILE_END     0x02


struct SysdepProfileSnapshot;
struct SysdepStaticData;    // Nicht wirklich statisch, sondern statisch über mehrere Snapshots

struct ProfileSnapshot
{
    Time aTime;
    SysdepProfileSnapshot *pSysdepProfileSnapshot;
    ULONG nProcessTicks;
    ULONG nSystemTicks;
};


class TTProfiler : private Timer
{
public:
    TTProfiler();
    ~TTProfiler();

    String GetProfileHeader();  // Titelzeile für Logdatei
    void StartProfileInterval( BOOL bReadAnyway = FALSE );  // Zustand merken
    void EndProfileInterval();  // Informationszeile zusammenbauen
    String GetProfileLine( String &aPrefix );


    void StartProfilingPerCommand();    // Jeden Befehl mitschneiden
    void StopProfilingPerCommand();
    BOOL IsProfilingPerCommand() { return bIsProfilingPerCommand; }

    void StartPartitioning();
    void StopPartitioning();
    BOOL IsPartitioning() { return bIsPartitioning; }
    ULONG GetPartitioningTime();

    void StartAutoProfiling( ULONG nMSec ); // Automatisch alle nMSec Milisekunden sampeln
    String GetAutoProfiling();  // Aktuelle `Sammlung` abholen
    void StopAutoProfiling();   // Sampeln beenden
    BOOL IsAutoProfiling() { return bIsAutoProfiling; }

private:

    void GetProfileSnapshot( ProfileSnapshot *pProfileSnapshot );

    // Informationszeile zusammenbauen
    String GetProfileLine( ProfileSnapshot *pStart, ProfileSnapshot *pStop );


    ProfileSnapshot *mpStart;
    ProfileSnapshot *mpEnd;
    BOOL bIsProfileIntervalStarted;



//
    BOOL bIsProfilingPerCommand;
    BOOL bIsPartitioning;


//  Für das Automatische Profiling in festen Intervallen

    ProfileSnapshot *pAutoStart;
    ProfileSnapshot *pAutoEnd;
    BOOL bIsAutoProfiling;
    String aAutoProfileBuffer;

    virtual void Timeout();


// Einige Hilfsfunktionen

//  String Hex( ULONG nNr );
    String Dec( ULONG nNr );    // Ergebnis = nNr / 100 mit 2 Dezimalen
    String Pad( const String &aS, xub_StrLen nLen );        // Fügt blanks links an den String an

/*  Ab hier werden die Methoden Systemabhängig in den entsprechenden cxx implementiert
    Sie werden von den oberen Methoden gerufen.
*/

    SysdepStaticData *pSysDepStatic;

    void InitSysdepProfiler();
    void DeinitSysdepProfiler();

    SysdepProfileSnapshot *NewSysdepSnapshotData();
    void DeleteSysdepSnapshotData( SysdepProfileSnapshot *pSysdepProfileSnapshot );

    // Titelzeile für Logdatei
    String GetSysdepProfileHeader();

    // Zustand merken
    void GetSysdepProfileSnapshot( SysdepProfileSnapshot *pSysdepProfileSnapshot, USHORT nMode = PROFILE_START | PROFILE_END );

    // Informationszeile zusammenbauen
    String GetSysdepProfileLine( SysdepProfileSnapshot *pStart, SysdepProfileSnapshot *pStop );
};

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