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Your Name 2019-05-28 00:49:52 +02:00
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2
AUTHORS
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@ -1 +1 @@
Volker Fischer <corrados[at+]users[dot*]sourceforge[dot_]net>
See Github

2
ChangeLog
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@ -7,6 +7,8 @@
- audio recording for the server, coded by pljones
- SVG server history graph, coded by pljones

6
Jamulus.pro
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@ -173,7 +173,8 @@ HEADERS += src/audiomixerboard.h \
src/analyzerconsole.h \
src/recorder/jamrecorder.h \
src/recorder/creaperproject.h \
src/recorder/cwavestream.h
src/recorder/cwavestream.h \
src/historygraph.h
HEADERS_OPUS = libs/opus/include/opus.h \
libs/opus/include/opus_multistream.h \
@ -270,7 +271,8 @@ SOURCES += src/audiomixerboard.cpp \
src/analyzerconsole.cpp \
src/recorder/jamrecorder.cpp \
src/recorder/creaperproject.cpp \
src/recorder/cwavestream.cpp
src/recorder/cwavestream.cpp \
src/historygraph.cpp
SOURCES_OPUS = libs/opus/src/opus.c \
libs/opus/src/opus_decoder.c \

2
README
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@ -63,4 +63,4 @@ source:
- Some pixmaps are from the Open Clip Art Library (OCAL):
http://openclipart.org
- Audio recording for the server, coded by pljones: http://jamulus.drealm.info
- Audio recording for the server and SVG history graph, coded by pljones: http://jamulus.drealm.info

501
src/historygraph.cpp Normal file
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@ -0,0 +1,501 @@
/******************************************************************************\
* Copyright (c) 2004-2019
*
* Author(s):
* Volker Fischer
* Peter L Jones <pljones@users.sf.net>
*
******************************************************************************
*
* 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.
*
* 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
*
\******************************************************************************/
#include "historygraph.h"
/* Abstract class *************************************************************/
AHistoryGraph::AHistoryGraph() :
sFileName ( "" ),
bDoHistory ( false ),
vHistoryDataFifo ( NUM_ITEMS_HISTORY ),
iNumTicksX ( 0 ), // number of days in history
BackgroundColor ( "white" ), // background
FrameColor ( "black" ), // frame
GridColor ( "gray" ), // grid
TextColor ( "black" ), // text
MarkerNewColor ( "darkCyan" ), // marker for new connection
MarkerNewLocalColor ( "blue" ), // marker for new local connection
MarkerStopColor ( "red" ), // marker for server stop
canvasRectX ( 0 ),
canvasRectY ( 0 ),
canvasRectWidth ( 640 ),
canvasRectHeight ( 450 ),
iGridFrameOffset ( 10 ),
iGridWidthWeekend ( 3 ), // should be an odd value
iXAxisTextHeight ( 22 ),
gridFrameX ( canvasRectX + iGridFrameOffset ),
gridFrameY ( canvasRectY + iGridFrameOffset ),
gridFrameWidth ( canvasRectWidth - 2 * iGridFrameOffset ),
gridFrameHeight ( canvasRectHeight - 2 * iGridFrameOffset - iXAxisTextHeight ),
gridFrameRight ( gridFrameX + gridFrameWidth - 1 ),
gridFrameBottom ( gridFrameY + gridFrameHeight - 1 ),
axisFontFamily ( "Arial" ),
axisFontWeight ( "100" ),
axisFontSize ( 12 ),
iYAxisStart ( 0 ),
iYAxisEnd ( 24 ),
iNumTicksY ( 5 ),
iTextOffsetToGrid ( 3 ),
iTextOffsetX ( 18 ),
iMarkerSizeNewCon ( 11 ),
iMarkerSizeServSt ( 8 )
{
}
void AHistoryGraph::Start ( const QString& sNewFileName )
{
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
tsConsoleStream << QString ( "AHistoryGraph::Start ( %1 )" ).arg ( sNewFileName ) << endl; // on console
if ( !sNewFileName.isEmpty() )
{
// save file name
sFileName = sNewFileName;
// set enable flag
bDoHistory = true;
// enable timer (update once a day)
TimerDailyUpdate.start ( 3600000 * 24 );
// initial update (empty graph)
Update();
}
}
void AHistoryGraph::Add ( const QDateTime& newDateTime, const EHistoryItemType curType )
{
if ( bDoHistory )
{
// create and add new element in FIFO
SHistoryData curHistoryData;
curHistoryData.DateTime = newDateTime;
curHistoryData.Type = curType;
vHistoryDataFifo.Add ( curHistoryData );
}
}
void AHistoryGraph::Add ( const QDateTime& newDateTime, const QHostAddress ClientInetAddr )
{
if ( bDoHistory )
{
// add element to history, distinguish between a local connection
// and a remote connection
if ( ( ClientInetAddr == QHostAddress ( "127.0.0.1" ) ) ||
( ClientInetAddr.toString().left ( 7 ).compare ( "192.168" ) == 0 ) )
{
// local connection
Add ( newDateTime, HIT_LOCAL_CONNECTION );
}
else
{
// remote connection
Add ( newDateTime, HIT_REMOTE_CONNECTION );
}
}
}
void AHistoryGraph::Update ( )
{
if ( bDoHistory )
{
int i;
// store current date for reference
curDate = QDate::currentDate();
// get oldest date in history
QDate oldestDate = curDate.addDays ( 1 ); // one day in the future
const int iNumItemsForHistory = vHistoryDataFifo.Size();
for ( i = 0; i < iNumItemsForHistory; i++ )
{
// only use valid dates
if ( vHistoryDataFifo[i].DateTime.date().isValid() )
{
if ( vHistoryDataFifo[i].DateTime.date() < oldestDate )
{
oldestDate = vHistoryDataFifo[i].DateTime.date();
}
}
}
const int iNumDaysInHistory = -curDate.daysTo ( oldestDate ) + 1;
// draw frame of the graph
DrawFrame ( iNumDaysInHistory );
// add markers
for ( i = 0; i < iNumItemsForHistory; i++ )
{
// only use valid dates
if ( vHistoryDataFifo[i].DateTime.date().isValid() )
{
AddMarker ( vHistoryDataFifo[i] );
}
}
// save graph as picture in file
Save ( sFileName );
}
}
void AHistoryGraph::DrawFrame ( const int iNewNumTicksX )
{
int i;
// store number of x-axis ticks (number of days we want to draw
// the history for
iNumTicksX = iNewNumTicksX;
// Create actual plot region (grid frame) ----------------------------------
rect( gridFrameX, gridFrameY, gridFrameWidth, gridFrameHeight );
// calculate step for x-axis ticks so that we get the desired number of
// ticks -> 5 ticks
// TODO the following equation does not work as expected but results are acceptable
// we want to have "floor ( iNumTicksX / 5 )" which is the same as
// "iNumTicksX / 5" since "iNumTicksX" is an integer variable
const int iXAxisTickStep = iNumTicksX / 5 + 1;
// grid (ticks) for x-axis
dayXSpace = static_cast<double> ( gridFrameWidth ) / ( iNumTicksX + 1 );
for ( i = 0; i < static_cast<int> ( iNumTicksX ); i++ )
{
int iBottomExtraTickLen = 0;
const int iCurX = gridFrameX + static_cast<int> ( dayXSpace * ( i + 1 ) );
const QDate curXAxisDate = curDate.addDays ( 0 - static_cast<signed> ( iNumTicksX ) + i + 1 );
// text (print only every "iXAxisTickStep" tick)
if ( !( i % iXAxisTickStep ) )
{
text ( iCurX - iTextOffsetX, gridFrameBottom + iXAxisTextHeight + iTextOffsetToGrid, curXAxisDate.toString ( "dd.MM." ) );
iBottomExtraTickLen = 5;
}
// regular grid
line ( iCurX, 1 + gridFrameY, iCurX, gridFrameBottom + iBottomExtraTickLen );
// different grid width for weekends (overwrite regular grid)
if ( ( curXAxisDate.dayOfWeek() == 6 ) || // check for Saturday
( curXAxisDate.dayOfWeek() == 7 ) ) // check for Sunday
{
const int iGridWidthWeekendHalf = iGridWidthWeekend / 2;
line ( iCurX, 1 + gridFrameY + iGridWidthWeekendHalf, iCurX, gridFrameBottom - iGridWidthWeekendHalf, iGridWidthWeekend );
}
}
// grid (ticks) for y-axis, draw iNumTicksY - 2 grid lines and
// iNumTicksY - 1 text labels (the lowest grid line is the grid frame)
iYSpace = gridFrameHeight / ( iNumTicksY - 1 );
for ( i = 0; i < ( static_cast<int> ( iNumTicksY ) - 1 ); i++ )
{
const int iCurY = gridFrameY + iYSpace * ( i + 1 );
// text
text ( gridFrameX + iTextOffsetToGrid,
iCurY - iTextOffsetToGrid,
QString ( "%1:00" ).arg ( ( iYAxisEnd - iYAxisStart ) / ( iNumTicksY - 1 ) * ( ( iNumTicksY - 2 ) - i ) ) );
// grid (do not overwrite frame)
if ( i < ( static_cast<int> ( iNumTicksY ) - 2 ) )
{
line ( gridFrameX, iCurY, gridFrameRight, iCurY );
}
}
}
void AHistoryGraph::AddMarker ( const SHistoryData& curHistoryData )
{
// calculate x-axis offset (difference of days compared to
// current date)
const int iXAxisOffs =
curDate.daysTo ( curHistoryData.DateTime.date() );
// check range, if out of range, do not plot anything
if ( -iXAxisOffs > ( static_cast<signed> ( iNumTicksX ) - 1 ) )
{
return;
}
// calculate y-axis offset (consider hours and minutes)
const double dYAxisOffs = 24 - curHistoryData.DateTime.time().hour() -
static_cast<double> ( curHistoryData.DateTime.time().minute() ) / 60;
// calculate the actual point in the graph (in pixels)
int curPointX = gridFrameX + static_cast<int> ( dayXSpace * ( static_cast<signed> ( iNumTicksX ) + iXAxisOffs ) );
int curPointY = gridFrameY + static_cast<int> ( static_cast<double> (
gridFrameHeight ) / ( iYAxisEnd - iYAxisStart ) * dYAxisOffs );
QString curPointColour = MarkerNewColor;
int curPointSize = iMarkerSizeNewCon;
// we use different markers for new connection and server stop items
switch ( curHistoryData.Type )
{
case HIT_SERVER_STOP:
curPointColour = MarkerStopColor;
curPointSize = iMarkerSizeServSt;
break;
case HIT_LOCAL_CONNECTION:
curPointColour = MarkerNewLocalColor;
break;
case HIT_REMOTE_CONNECTION:
curPointColour = MarkerNewColor;
break;
}
point ( curPointX - curPointSize / 2, curPointY - curPointSize / 2, curPointSize, curPointColour );
}
/* JPEG History Graph implementation ******************************************/
CJpegHistoryGraph::CJpegHistoryGraph() :
AHistoryGraph(),
PlotPixmap ( 1, 1, QImage::Format_RGB32 ),
iAxisFontWeight ( -1 )
{
// scale pixmap to correct size
PlotPixmap = PlotPixmap.scaled ( canvasRectWidth, canvasRectHeight );
// axisFontWeight is a string matching the CSS2 font-weight definition
// Thin = 0, // 100
// ExtraLight = 12, // 200
// Light = 25, // 300
// Normal = 50, // 400
// Medium = 57, // 500
// DemiBold = 63, // 600
// Bold = 75, // 700
// ExtraBold = 81, // 800
// Black = 87 // 900
bool ok;
int weight = axisFontWeight.toInt( &ok );
if ( !ok )
{
if ( !QString ( "normal" ).compare ( axisFontWeight, Qt::CaseSensitivity::CaseInsensitive ) )
{
iAxisFontWeight = 50;
}
else if ( !QString ( "bold" ).compare ( axisFontWeight, Qt::CaseSensitivity::CaseInsensitive ) )
{
weight = 75;
}
}
else
{
if ( weight <= 100 ) { iAxisFontWeight = 0; }
else if ( weight <= 200 ) { iAxisFontWeight = 12; }
else if ( weight <= 300 ) { iAxisFontWeight = 25; }
else if ( weight <= 400 ) { iAxisFontWeight = 50; }
else if ( weight <= 500 ) { iAxisFontWeight = 57; }
else if ( weight <= 600 ) { iAxisFontWeight = 63; }
else if ( weight <= 700 ) { iAxisFontWeight = 75; }
else if ( weight <= 800 ) { iAxisFontWeight = 81; }
else if ( weight <= 900 ) { iAxisFontWeight = 87; }
}
// if all else fails, it's left at -1
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
tsConsoleStream << "CJpegHistoryGraph" << endl; // on console
// Connections -------------------------------------------------------------
QObject::connect ( &TimerDailyUpdate, SIGNAL ( timeout() ),
this, SLOT ( OnTimerDailyUpdate() ) );
}
// Override Update to blank out the plot area each time
void CJpegHistoryGraph::Update()
{
if ( bDoHistory )
{
// create JPEG image
PlotPixmap.fill ( BackgroundColor ); // fill background
AHistoryGraph::Update();
}
}
void CJpegHistoryGraph::Save ( const QString sFileName )
{
// save plot as a file
PlotPixmap.save ( sFileName, "JPG", 90 );
}
void CJpegHistoryGraph::rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height )
{
QPainter PlotPainter ( &PlotPixmap );
PlotPainter.setPen ( FrameColor );
PlotPainter.drawRect ( x, y, width, height );
}
void CJpegHistoryGraph::text ( const unsigned int x, const unsigned int y, const QString& value )
{
QPainter PlotPainter ( &PlotPixmap );
PlotPainter.setPen ( TextColor );
// QFont(const QString &family, int pointSize = -1, int weight = -1, bool italic = false);
PlotPainter.setFont ( QFont( axisFontFamily, static_cast<int> ( axisFontSize ), iAxisFontWeight ) );
PlotPainter.drawText ( QPoint ( x, y ), value );
}
void CJpegHistoryGraph::line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth )
{
QPainter PlotPainter ( &PlotPixmap );
PlotPainter.setPen ( QPen ( QBrush ( QColor ( GridColor ) ), strokeWidth ) );
PlotPainter.drawLine ( x1, y1, x2, y2 );
}
void CJpegHistoryGraph::point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour )
{
QPainter PlotPainter ( &PlotPixmap );
PlotPainter.setPen ( QPen ( QBrush( QColor ( colour ) ), size ) );
PlotPainter.drawPoint ( x, y );
}
/* SVG History Graph implementation *******************************************/
CSvgHistoryGraph::CSvgHistoryGraph() :
AHistoryGraph(),
svgImage ( "" ),
svgStreamWriter ( &svgImage )
{
// set SVG veiwBox to correct size to ensure correct scaling
svgRootAttributes.append ( "viewBox",
QString ( "%1, %2, %3, %4" )
.arg ( canvasRectX )
.arg ( canvasRectY )
.arg ( canvasRectWidth )
.arg ( canvasRectHeight )
);
svgRootAttributes.append ( "xmlns", "http://www.w3.org/2000/svg" );
svgRootAttributes.append ( "xmlns:xlink", "http://www.w3.org/1999/xlink" );
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
tsConsoleStream << "CSvgHistoryGraph" << endl; // on console
// Connections -------------------------------------------------------------
QObject::connect ( &TimerDailyUpdate, SIGNAL ( timeout() ),
this, SLOT ( OnTimerDailyUpdate() ) );
}
// Override Update to create the fresh SVG stream each time
void CSvgHistoryGraph::Update()
{
if ( bDoHistory )
{
// create SVG document
svgImage = "";
svgStreamWriter.setAutoFormatting ( true );
svgStreamWriter.writeStartDocument();
svgStreamWriter.writeStartElement ( "svg" );
svgStreamWriter.writeAttributes ( svgRootAttributes );
AHistoryGraph::Update();
}
}
void CSvgHistoryGraph::Save ( const QString sFileName )
{
svgStreamWriter.writeEndDocument();
QFile outf ( sFileName );
if ( !outf.open ( QFile::WriteOnly ) )
{
throw std::runtime_error ( ( sFileName + " could not be written. Aborting." ).toStdString() );
}
QTextStream out ( &outf );
out << svgImage << endl;
}
void CSvgHistoryGraph::rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height )
{
svgStreamWriter.writeEmptyElement ( "rect" );
svgStreamWriter.writeAttribute ( "x", QString ( "%1" ).arg ( x ) );
svgStreamWriter.writeAttribute ( "y", QString ( "%1" ).arg ( y ) );
svgStreamWriter.writeAttribute ( "width", QString ( "%1" ).arg ( width ) );
svgStreamWriter.writeAttribute ( "height", QString ( "%1" ).arg ( height ) );
svgStreamWriter.writeAttribute ( "stroke", FrameColor );
svgStreamWriter.writeAttribute ( "stroke-width", QString ( "1" ) );
svgStreamWriter.writeAttribute ( "style", QString ( "fill: none;" ) );
}
void CSvgHistoryGraph::text ( const unsigned int x, const unsigned int y, const QString& value )
{
svgStreamWriter.writeStartElement ( "text" );
svgStreamWriter.writeAttribute ( "x", QString ( "%1" ).arg ( x ) );
svgStreamWriter.writeAttribute ( "y", QString ( "%1" ).arg ( y ) );
svgStreamWriter.writeAttribute ( "stroke", TextColor );
svgStreamWriter.writeAttribute ( "font-family", axisFontFamily );
svgStreamWriter.writeAttribute ( "font-weight", axisFontWeight );
svgStreamWriter.writeAttribute ( "font-size", QString ( "%1" ).arg ( axisFontSize ) );
svgStreamWriter.writeCharacters( value );
svgStreamWriter.writeEndElement();
}
void CSvgHistoryGraph::line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth )
{
svgStreamWriter.writeEmptyElement ( "line" );
svgStreamWriter.writeAttribute ( "x1", QString ( "%1" ).arg ( x1 ) );
svgStreamWriter.writeAttribute ( "y1", QString ( "%1" ).arg ( y1 ) );
svgStreamWriter.writeAttribute ( "x2", QString ( "%1" ).arg ( x2 ) );
svgStreamWriter.writeAttribute ( "y2", QString ( "%1" ).arg ( y2 ) );
svgStreamWriter.writeAttribute ( "stroke", GridColor );
svgStreamWriter.writeAttribute ( "stroke-width", QString ( "%1" ).arg ( strokeWidth ) );
}
void CSvgHistoryGraph::point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour )
{
svgStreamWriter.writeEmptyElement ( "rect" );
svgStreamWriter.writeAttribute ( "x", QString ( "%1" ).arg ( x ) );
svgStreamWriter.writeAttribute ( "y", QString ( "%1" ).arg ( y ) );
svgStreamWriter.writeAttribute ( "width", QString ( "%1" ).arg ( size ) );
svgStreamWriter.writeAttribute ( "height", QString ( "%1" ).arg ( size ) );
svgStreamWriter.writeAttribute ( "stroke-opacity", "0" );
svgStreamWriter.writeAttribute ( "fill", colour );
}

186
src/historygraph.h Normal file
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@ -0,0 +1,186 @@
/******************************************************************************\
* Copyright (c) 2004-2019
*
* Author(s):
* Volker Fischer
* Peter L Jones <pljones@users.sf.net>
*
******************************************************************************
*
* 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.
*
* 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
*
\******************************************************************************/
#ifndef HISTORYGRAPH_H
#define HISTORYGRAPH_H
#include <QDateTime>
#include <QHostAddress>
#include <QFile>
#include <QString>
#include <QTimer>
#include "global.h"
#include "util.h"
// for CJpegHistoryGraph
#include <QImage>
#include <QPainter>
// for CSvgHistoryGraph
#include <QXmlStreamWriter>
#include <QXmlStreamAttributes>
/* Definitions ****************************************************************/
// number of history items to store
#define NUM_ITEMS_HISTORY 600
/* Interface ******************************************************************/
class AHistoryGraph
{
public:
enum EHistoryItemType
{
HIT_LOCAL_CONNECTION,
HIT_REMOTE_CONNECTION,
HIT_SERVER_STOP
};
AHistoryGraph();
~AHistoryGraph() { }
void Start ( const QString& sNewFileName );
void Add ( const QDateTime& newDateTime, const EHistoryItemType curType );
void Add ( const QDateTime& newDateTime, const QHostAddress ClientInetAddr );
virtual void Update ( );
protected:
struct SHistoryData
{
QDateTime DateTime;
EHistoryItemType Type;
};
void DrawFrame ( const int iNewNumTicksX );
void AddMarker ( const SHistoryData& curHistoryData );
virtual void Save ( const QString sFileName ) = 0;
virtual void rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height ) = 0;
virtual void text ( const unsigned int x, const unsigned int y, const QString& value ) = 0;
virtual void line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth = 1 ) = 0;
virtual void point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour ) = 0;
// Constructor sets these
QString sFileName;
bool bDoHistory;
CFIFO<SHistoryData> vHistoryDataFifo;
unsigned int iNumTicksX; // Class global, not sure why
QString BackgroundColor;
QString FrameColor;
QString GridColor;
QString TextColor;
QString MarkerNewColor;
QString MarkerNewLocalColor;
QString MarkerStopColor;
const unsigned int canvasRectX;
const unsigned int canvasRectY;
const unsigned int canvasRectWidth;
const unsigned int canvasRectHeight;
const unsigned int iGridFrameOffset;
const unsigned int iGridWidthWeekend;
const unsigned int iXAxisTextHeight;
const unsigned int gridFrameX;
const unsigned int gridFrameY;
const unsigned int gridFrameWidth;
const unsigned int gridFrameHeight;
const unsigned int gridFrameRight;
const unsigned int gridFrameBottom;
const QString axisFontFamily;
const QString axisFontWeight;
const unsigned int axisFontSize;
const unsigned int iYAxisStart;
const unsigned int iYAxisEnd;
const unsigned int iNumTicksY;
const unsigned int iTextOffsetToGrid;
const unsigned int iTextOffsetX;
const unsigned int iMarkerSizeNewCon;
const unsigned int iMarkerSizeServSt;
// others
double dayXSpace;
unsigned int iYSpace;
QDate curDate;
QTimer TimerDailyUpdate;
};
/* Implementations ************************************************************/
class CJpegHistoryGraph : public QObject, virtual public AHistoryGraph
{
Q_OBJECT
public:
CJpegHistoryGraph();
virtual void Update ( );
protected:
virtual void Save ( const QString sFileName );
virtual void rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height );
virtual void text ( const unsigned int x, const unsigned int y, const QString& value );
virtual void line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth = 1 );
virtual void point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour );
private:
QImage PlotPixmap;
int iAxisFontWeight;
public slots:
void OnTimerDailyUpdate() { Update(); }
};
class CSvgHistoryGraph : public QObject, virtual public AHistoryGraph
{
Q_OBJECT
public:
CSvgHistoryGraph();
virtual void Update();
protected:
virtual void Save ( const QString sFileName );
virtual void rect ( const unsigned int x, const unsigned int y, const unsigned int width, const unsigned int height );
virtual void text ( const unsigned int x, const unsigned int y, const QString& value );
virtual void line ( const unsigned int x1, const unsigned int y1, const unsigned int x2, const unsigned int y2, const unsigned int strokeWidth = 1 );
virtual void point ( const unsigned int x, const unsigned int y, const unsigned int size, const QString& colour );
private:
QXmlStreamAttributes svgRootAttributes;
QString svgImage;
QXmlStreamWriter svgStreamWriter;
public slots:
void OnTimerDailyUpdate() { Update(); }
};
#endif // HISTORYGRAPH_H

3
src/main.cpp
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@ -415,8 +415,7 @@ int main ( int argc, char** argv )
// Application object
if ( !bUseGUI && !strHistoryFileName.isEmpty() )
{
tsConsole << "Qt5 requires a windowing system to paint a JPEG image; disabling history graph" << endl;
strHistoryFileName = "";
tsConsole << "Qt5 requires a windowing system to paint a JPEG image; image will use SVG" << endl;
}
QCoreApplication* pApp = bUseGUI
? new QApplication ( argc, argv )

326
src/serverlogging.cpp
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@ -24,293 +24,6 @@
#include "serverlogging.h"
/* Implementation *************************************************************/
CHistoryGraph::CHistoryGraph() :
sFileName ( "" ),
bDoHistory ( false ),
vHistoryDataFifo ( NUM_ITEMS_HISTORY ),
PlotCanvasRect ( 0, 0, 600, 450 ), // defines total size of graph
iNumTicksX ( 0 ), // just an initialization value, will be overwritten
iYAxisStart ( 0 ),
iYAxisEnd ( 24 ),
iNumTicksY ( 5 ),
iGridFrameOffset ( 10 ),
iGridWidthWeekend ( 3 ), // should be an odd value
iTextOffsetToGrid ( 3 ),
iXAxisTextHeight ( 22 ),
iMarkerSizeNewCon ( 11 ),
iMarkerSizeServSt ( 8 ),
AxisFont ( "Arial", 12 ),
iTextOffsetX ( 18 ),
PlotBackgroundColor ( Qt::white ), // background
PlotFrameColor ( Qt::black ), // frame
PlotGridColor ( Qt::gray ), // grid
PlotTextColor ( Qt::black ), // text
PlotMarkerNewColor ( Qt::darkCyan ), // marker for new connection
PlotMarkerNewLocalColor ( Qt::blue ), // marker for new local connection
PlotMarkerStopColor ( Qt::red ), // marker for server stop
PlotPixmap ( 1, 1, QImage::Format_RGB32 )
{
// generate plot grid frame rectangle
PlotGridFrame.setRect ( PlotCanvasRect.x() + iGridFrameOffset,
PlotCanvasRect.y() + iGridFrameOffset,
PlotCanvasRect.width() - 2 * iGridFrameOffset,
PlotCanvasRect.height() - 2 * iGridFrameOffset - iXAxisTextHeight );
// scale pixmap to correct size
PlotPixmap = PlotPixmap.scaled (
PlotCanvasRect.width(), PlotCanvasRect.height() );
// Connections -------------------------------------------------------------
QObject::connect ( &TimerDailyUpdate, SIGNAL ( timeout() ),
this, SLOT ( OnTimerDailyUpdate() ) );
}
void CHistoryGraph::Start ( const QString& sNewFileName )
{
if ( !sNewFileName.isEmpty() )
{
// save file name
sFileName = sNewFileName;
// set enable flag
bDoHistory = true;
// enable timer (update once a day)
TimerDailyUpdate.start ( 3600000 * 24 );
// initial update (empty graph)
Update();
}
}
void CHistoryGraph::DrawFrame ( const int iNewNumTicksX )
{
int i;
// store number of x-axis ticks (number of days we want to draw
// the history for
iNumTicksX = iNewNumTicksX;
// clear base pixmap for new plotting
PlotPixmap.fill ( PlotBackgroundColor.rgb() ); // fill background
// create painter
QPainter PlotPainter ( &PlotPixmap );
// Create actual plot region (grid frame) ----------------------------------
PlotPainter.setPen ( PlotFrameColor );
PlotPainter.drawRect ( PlotGridFrame );
// calculate step for x-axis ticks so that we get the desired number of
// ticks -> 5 ticks
// TODO the following equation does not work as expected but results are acceptable
// we want to have "floor ( iNumTicksX / 5 )" which is the same as
// "iNumTicksX / 5" since "iNumTicksX" is an integer variable
const int iXAxisTickStep = iNumTicksX / 5 + 1;
// grid (ticks) for x-axis
dXSpace = static_cast<double> ( PlotGridFrame.width() ) / ( iNumTicksX + 1 );
for ( i = 0; i < iNumTicksX; i++ )
{
int iBottomExtraTickLen = 0;
const int iCurX = PlotGridFrame.x() + static_cast<int> ( dXSpace * ( i + 1 ) );
const QDate curXAxisDate = curDate.addDays ( i - iNumTicksX + 1 );
// text (print only every "iXAxisTickStep" tick)
if ( !( i % iXAxisTickStep ) )
{
PlotPainter.setPen ( PlotTextColor );
PlotPainter.setFont ( AxisFont );
PlotPainter.drawText (
QPoint ( iCurX - iTextOffsetX,
PlotGridFrame.bottom() + iXAxisTextHeight + iTextOffsetToGrid ),
curXAxisDate.toString ( "dd.MM." ) );
iBottomExtraTickLen = 5;
}
// regular grid
PlotPainter.setPen ( PlotGridColor );
PlotPainter.drawLine ( iCurX, 1 + PlotGridFrame.y(),
iCurX, PlotGridFrame.bottom() + iBottomExtraTickLen );
// different grid width for weekends (overwrite regular grid)
if ( ( curXAxisDate.dayOfWeek() == 6 ) || // check for Saturday
( curXAxisDate.dayOfWeek() == 7 ) ) // check for Sunday
{
const int iGridWidthWeekendHalf = iGridWidthWeekend / 2;
PlotPainter.setPen ( QPen ( PlotGridColor, iGridWidthWeekend ) );
PlotPainter.drawLine ( iCurX, 1 + PlotGridFrame.y() + iGridWidthWeekendHalf,
iCurX, PlotGridFrame.bottom() - iGridWidthWeekendHalf );
}
}
// grid (ticks) for y-axis, draw iNumTicksY - 2 grid lines and
// iNumTicksY - 1 text labels (the lowest grid line is the grid frame)
iYSpace = PlotGridFrame.height() / ( iNumTicksY - 1 );
for ( i = 0; i < ( iNumTicksY - 1 ); i++ )
{
const int iCurY = PlotGridFrame.y() + iYSpace * ( i + 1 );
// text
PlotPainter.setPen ( PlotTextColor );
PlotPainter.setFont ( AxisFont );
PlotPainter.drawText ( QPoint (
PlotGridFrame.x() + iTextOffsetToGrid,
iCurY - iTextOffsetToGrid ),
QString ( "%1:00" ).arg (
( iYAxisEnd - iYAxisStart ) / ( iNumTicksY - 1 ) *
( ( iNumTicksY - 2 ) - i ) ) );
// grid (do not overwrite frame)
if ( i < ( iNumTicksY - 2 ) )
{
PlotPainter.setPen ( PlotGridColor );
PlotPainter.drawLine ( PlotGridFrame.x(), iCurY,
PlotGridFrame.right(), iCurY );
}
}
}
void CHistoryGraph::AddMarker ( const SHistoryData& curHistoryData )
{
// calculate x-axis offset (difference of days compared to
// current date)
const int iXAxisOffs =
curDate.daysTo ( curHistoryData.DateTime.date() );
// check range, if out of range, do not plot anything
if ( -iXAxisOffs > ( iNumTicksX - 1 ) )
{
return;
}
// calculate y-axis offset (consider hours and minutes)
const double dYAxisOffs = 24 - curHistoryData.DateTime.time().hour() -
static_cast<double> ( curHistoryData.DateTime.time().minute() ) / 60;
// calculate the actual point in the graph (in pixels)
const QPoint curPoint (
PlotGridFrame.x() + static_cast<int> ( dXSpace * ( iNumTicksX + iXAxisOffs ) ),
PlotGridFrame.y() + static_cast<int> ( static_cast<double> (
PlotGridFrame.height() ) / ( iYAxisEnd - iYAxisStart ) * dYAxisOffs ) );
// create painter for plot
QPainter PlotPainter ( &PlotPixmap );
// we use different markers for new connection and server stop items
switch ( curHistoryData.Type )
{
case HIT_SERVER_STOP:
PlotPainter.setPen ( QPen ( QBrush ( PlotMarkerStopColor ),
iMarkerSizeServSt ) );
break;
case HIT_LOCAL_CONNECTION:
PlotPainter.setPen ( QPen ( QBrush ( PlotMarkerNewLocalColor ),
iMarkerSizeNewCon ) );
break;
case HIT_REMOTE_CONNECTION:
PlotPainter.setPen ( QPen ( QBrush ( PlotMarkerNewColor ),
iMarkerSizeNewCon ) );
break;
}
PlotPainter.drawPoint ( curPoint );
}
void CHistoryGraph::Save ( const QString sFileName )
{
// save plot as a file
PlotPixmap.save ( sFileName, "JPG", 90 );
}
void CHistoryGraph::Add ( const QDateTime& newDateTime,
const QHostAddress ClientInetAddr )
{
if ( bDoHistory )
{
// add element to history, distinguish between a local connection
// and a remote connection
if ( ( ClientInetAddr == QHostAddress ( "127.0.0.1" ) ) ||
( ClientInetAddr.toString().left ( 7 ).compare ( "192.168" ) == 0 ) )
{
// local connection
Add ( newDateTime, CHistoryGraph::HIT_LOCAL_CONNECTION );
}
else
{
// remote connection
Add ( newDateTime, CHistoryGraph::HIT_REMOTE_CONNECTION );
}
}
}
void CHistoryGraph::Add ( const QDateTime& newDateTime,
const EHistoryItemType curType )
{
if ( bDoHistory )
{
// create and add new element in FIFO
SHistoryData curHistoryData;
curHistoryData.DateTime = newDateTime;
curHistoryData.Type = curType;
vHistoryDataFifo.Add ( curHistoryData );
}
}
void CHistoryGraph::Update()
{
if ( bDoHistory )
{
int i;
// store current date for reference
curDate = QDate::currentDate();
// get oldest date in history
QDate oldestDate = curDate.addDays ( 1 ); // one day in the future
const int iNumItemsForHistory = vHistoryDataFifo.Size();
for ( i = 0; i < iNumItemsForHistory; i++ )
{
// only use valid dates
if ( vHistoryDataFifo[i].DateTime.date().isValid() )
{
if ( vHistoryDataFifo[i].DateTime.date() < oldestDate )
{
oldestDate = vHistoryDataFifo[i].DateTime.date();
}
}
}
const int iNumDaysInHistory = -curDate.daysTo ( oldestDate ) + 1;
// draw frame of the graph
DrawFrame ( iNumDaysInHistory );
// add markers
for ( i = 0; i < iNumItemsForHistory; i++ )
{
// only use valid dates
if ( vHistoryDataFifo[i].DateTime.date().isValid() )
{
AddMarker ( vHistoryDataFifo[i] );
}
}
// save graph as picture in file
Save ( sFileName );
}
}
// Server logging --------------------------------------------------------------
CServerLogging::~CServerLogging()
{
@ -325,6 +38,7 @@ void CServerLogging::Start ( const QString& strLoggingFileName )
{
// open file
File.setFileName ( strLoggingFileName );
if ( File.open ( QIODevice::Append | QIODevice::Text ) )
{
bDoLogging = true;
@ -333,7 +47,14 @@ void CServerLogging::Start ( const QString& strLoggingFileName )
void CServerLogging::EnableHistory ( const QString& strHistoryFileName )
{
HistoryGraph.Start ( strHistoryFileName );
if ( strHistoryFileName.right ( 4 ).compare ( ".svg", Qt::CaseInsensitive ) == 0 )
{
SvgHistoryGraph.Start ( strHistoryFileName );
}
else
{
JpegHistoryGraph.Start ( strHistoryFileName );
}
}
void CServerLogging::AddNewConnection ( const QHostAddress& ClientInetAddr )
@ -342,14 +63,13 @@ void CServerLogging::AddNewConnection ( const QHostAddress& ClientInetAddr )
const QString strLogStr = CurTimeDatetoLogString() + ", " +
ClientInetAddr.toString() + ", connected";
#ifndef _WIN32
QTextStream tsConsoleStream ( stdout );
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
tsConsoleStream << strLogStr << endl; // on console
#endif
*this << strLogStr; // in log file
// add element to history
HistoryGraph.Add ( QDateTime::currentDateTime(), ClientInetAddr );
JpegHistoryGraph.Add ( QDateTime::currentDateTime(), ClientInetAddr );
SvgHistoryGraph.Add ( QDateTime::currentDateTime(), ClientInetAddr );
}
void CServerLogging::AddServerStopped()
@ -357,17 +77,16 @@ void CServerLogging::AddServerStopped()
const QString strLogStr = CurTimeDatetoLogString() + ",, server stopped "
"-------------------------------------";
#ifndef _WIN32
QTextStream tsConsoleStream ( stdout );
QTextStream& tsConsoleStream = *( ( new ConsoleWriterFactory() )->get() );
tsConsoleStream << strLogStr << endl; // on console
#endif
*this << strLogStr; // in log file
// add element to history and update on server stop
HistoryGraph.Add ( QDateTime::currentDateTime(),
CHistoryGraph::HIT_SERVER_STOP );
JpegHistoryGraph.Add ( QDateTime::currentDateTime(), CJpegHistoryGraph::HIT_SERVER_STOP );
SvgHistoryGraph.Add ( QDateTime::currentDateTime(), CJpegHistoryGraph::HIT_SERVER_STOP );
HistoryGraph.Update();
JpegHistoryGraph.Update();
SvgHistoryGraph.Update();
}
void CServerLogging::operator<< ( const QString& sNewStr )
@ -417,11 +136,12 @@ void CServerLogging::ParseLogFile ( const QString& strFileName )
// check if server stop or new client connection
QString strAddress = strlistCurLine.at ( 2 ).trimmed();
if ( strAddress.isEmpty() )
{
// server stop
HistoryGraph.Add ( curDateTime,
CHistoryGraph::HIT_SERVER_STOP );
JpegHistoryGraph.Add ( curDateTime, CJpegHistoryGraph::HIT_SERVER_STOP );
SvgHistoryGraph.Add ( curDateTime, CSvgHistoryGraph::HIT_SERVER_STOP );
}
else
{
@ -431,14 +151,16 @@ void CServerLogging::ParseLogFile ( const QString& strFileName )
if ( curAddress.setAddress ( strlistCurLine.at ( 2 ).trimmed() ) )
{
// new client connection
HistoryGraph.Add ( curDateTime, curAddress );
JpegHistoryGraph.Add ( curDateTime, curAddress );
SvgHistoryGraph.Add ( curDateTime, curAddress );
}
}
}
}
}
HistoryGraph.Update();
JpegHistoryGraph.Update();
SvgHistoryGraph.Update();
}
QString CServerLogging::CurTimeDatetoLogString()

88
src/serverlogging.h
View file

@ -22,11 +22,9 @@
*
\******************************************************************************/
#if !defined ( SERVERLOGGING_HOIHOKIH83JH8_3_43445KJIUHF1912__INCLUDED_ )
#define SERVERLOGGING_HOIHOKIH83JH8_3_43445KJIUHF1912__INCLUDED_
#ifndef SERVERLOGGING_H
#define SERVERLOGGING_H
#include <QImage>
#include <QPainter>
#include <QDateTime>
#include <QHostAddress>
#include <QFile>
@ -35,84 +33,9 @@
#include "global.h"
#include "util.h"
/* Definitions ****************************************************************/
// number of history items to store
#define NUM_ITEMS_HISTORY 600
#include "historygraph.h"
/* Classes ********************************************************************/
class CHistoryGraph : public QObject
{
Q_OBJECT
public:
enum EHistoryItemType
{
HIT_LOCAL_CONNECTION,
HIT_REMOTE_CONNECTION,
HIT_SERVER_STOP
};
CHistoryGraph();
void Start ( const QString& sNewFileName );
void Add ( const QDateTime& newDateTime, const EHistoryItemType curType );
void Add ( const QDateTime& newDateTime, const QHostAddress ClientInetAddr );
void Update();
protected:
struct SHistoryData
{
QDateTime DateTime;
EHistoryItemType Type;
};
void DrawFrame ( const int iNewNumTicksX );
void AddMarker ( const SHistoryData& curHistoryData );
void Save ( const QString sFileName );
QString sFileName;
bool bDoHistory;
CFIFO<SHistoryData> vHistoryDataFifo;
QRect PlotCanvasRect;
int iNumTicksX;
int iYAxisStart;
int iYAxisEnd;
int iNumTicksY;
int iGridFrameOffset;
int iGridWidthWeekend;
int iTextOffsetToGrid;
int iXAxisTextHeight;
int iMarkerSizeNewCon;
int iMarkerSizeServSt;
QFont AxisFont;
int iTextOffsetX;
QColor PlotBackgroundColor;
QColor PlotFrameColor;
QColor PlotGridColor;
QColor PlotTextColor;
QColor PlotMarkerNewColor;
QColor PlotMarkerNewLocalColor;
QColor PlotMarkerStopColor;
QImage PlotPixmap;
double dXSpace;
int iYSpace;
QDate curDate;
QRect PlotGridFrame;
QTimer TimerDailyUpdate;
public slots:
void OnTimerDailyUpdate() { Update(); }
};
class CServerLogging
{
public:
@ -130,9 +53,10 @@ protected:
void operator<< ( const QString& sNewStr );
QString CurTimeDatetoLogString();
CHistoryGraph HistoryGraph;
CJpegHistoryGraph JpegHistoryGraph;
CSvgHistoryGraph SvgHistoryGraph;
bool bDoLogging;
QFile File;
};
#endif /* !defined ( SERVERLOGGING_HOIHOKIH83JH8_3_43445KJIUHF1912__INCLUDED_ ) */
#endif // SERVERLOGGING_H

2
src/util.cpp
View file

@ -385,7 +385,7 @@ CAboutDlg::CAboutDlg ( QWidget* parent ) : QDialog ( parent )
"<i><a href=""http://openclipart.org"">http://openclipart.org</a></i></li>"
"<li>Country flag icons from Mark James: "
"<i><a href=""http://www.famfamfam.com"">http://www.famfamfam.com</a></i></li>"
"<li>Audio recording for the server, coded by pljones: "
"<li>Audio recording for the server and SVG history graph, coded by pljones: "
"<i><a href=""http://jamulus.drealm.info"">http://jamulus.drealm.info</a></i></li>"
"</ul>"
"</center><br>");