mirror of
https://github.com/rsyslog/loganalyzer.git
synced 2025-09-25 18:59:12 +02:00
Started implemented jpgraph lib to draw charts and graphs
This commit is contained in:
Andre Lorbach
parent
7c0c12ca48
commit
38a00af8da
@ -50,18 +50,39 @@ InitFilterHelpers(); // Helpers for frontend filtering!
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// ---
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// --- READ CONTENT Vars
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$content['error_occured'] = false;
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if ( isset($_GET['type']) )
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$content['chart_type'] = intval($_GET['type']);
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else
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$content['chart_type'] = CHART_CAKE;
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if ( isset($_GET['width']) )
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{
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$content['chart_width'] = intval($_GET['width']);
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// Limit Chart Size for now
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if ( $content['chart_width'] < 100 )
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$content['chart_width'] = 100;
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else if ( $content['chart_width'] > 1000 )
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$content['chart_width'] = 1000;
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}
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else
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$content['chart_width'] = 100;
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if ( isset($_GET['byfield']) )
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$content['chart_field'] = $_GET['byfield'];
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{
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if ( isset($fields[ $_GET['byfield'] ]) )
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{
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$content['chart_field'] = $_GET['byfield'];
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$content['chart_fieldtype'] = $fields[SYSLOG_UID]['FieldType'];
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}
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else
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{
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$content['error_occured'] = true;
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$content['error_details'] = $content['LN_GEN_ERROR_INVALIDFIELD'];
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}
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}
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else
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{
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$content['error_occured'] = true;
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@ -74,6 +95,23 @@ $content['TITLE'] = InitPageTitle();
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// --- END CREATE TITLE
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// --- BEGIN Custom Code
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include_once ($gl_root_path . "classes/jpgraph/jpgraph.php");
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include_once ($gl_root_path . "classes/jpgraph/jpgraph_bar.php");
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// Create Basic Image!
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$myGraph = new Graph($content['chart_width'], $content['chart_width'], 'auto');
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$myGraph->SetScale("textlin");
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$myGraph->img->SetMargin(60,30,20,40);
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$myGraph->yaxis->SetTitleMargin(45);
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$myGraph->yaxis->scale->SetGrace(30);
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$myGraph->SetShadow();
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// Turn the tickmarks
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$myGraph->xaxis->SetTickSide(SIDE_DOWN);
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$myGraph->yaxis->SetTickSide(SIDE_LEFT);
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// Get data and print on the image!
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if ( !$content['error_occured'] )
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{
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if ( isset($content['Sources'][$currentSourceID]) )
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@ -87,8 +125,51 @@ if ( !$content['error_occured'] )
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$res = $stream->Open( $content['Columns'], true );
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if ( $res == SUCCESS )
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{
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// Obtain data from the logstream!
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$chartData = $stream->GetCountSortedByField($content['chart_field'], $content['chart_fieldtype']);
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// If data is valid, we have an array!
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if ( is_array($chartData) )
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{
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// Sort Array, so the highest count comes first!
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array_multisort($chartData, SORT_NUMERIC, SORT_DESC);
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// Create y array!
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foreach( $chartData as $myYData)
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$YchartData[] = intval($myYData);
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//print_r ($chartData);
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//$datay=array(12,26,9,17,31);
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// Create a bar pot
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$bplot = new BarPlot($YchartData);
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// $bplot->SetFillColor("orange");
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// Use a shadow on the bar graphs (just use the default settings)
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$bplot->SetShadow();
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$bplot->value->SetFormat("%2.0f",70);
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$bplot->value->SetFont(FF_ARIAL,FS_NORMAL,9);
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$bplot->value->SetColor("blue");
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$bplot->value->Show();
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$myGraph->Add($bplot);
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$myGraph->title->Set("Chart blabla");
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$myGraph->xaxis->title->Set("X-title");
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$myGraph->yaxis->title->Set("Y-title");
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}
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else
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{
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$content['error_occured'] = true;
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$content['error_details'] = GetErrorMessage($chartData);
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if ( isset($extraErrorDescription) )
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$content['error_details'] .= "\n\n" . GetAndReplaceLangStr( $content['LN_SOURCES_ERROR_EXTRAMSG'], $extraErrorDescription);
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}
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//$fields[SYSLOG_UID]['FieldID']
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}
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else
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@ -97,7 +178,7 @@ if ( !$content['error_occured'] )
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$content['error_occured'] = true;
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$content['error_details'] = GetErrorMessage($res);
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if ( isset($extraErrorDescription) )
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$content['error_details'] .= "<br><br>" . GetAndReplaceLangStr( $content['LN_SOURCES_ERROR_EXTRAMSG'], $extraErrorDescription);
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$content['error_details'] .= "\n\n" . GetAndReplaceLangStr( $content['LN_SOURCES_ERROR_EXTRAMSG'], $extraErrorDescription);
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}
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// Close file!
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@ -109,122 +190,40 @@ if ( !$content['error_occured'] )
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$content['error_details'] = GetAndReplaceLangStr( $content['LN_GEN_ERROR_SOURCENOTFOUND'], $currentSourceID);
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}
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}
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// ---
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// --- Convert and Output
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if ( $content['error_occured'] )
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if ( $content['error_occured'] )
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{
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// TODO PRINT ERROR ON PICTURE STREAM!
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// QUICK AND DIRTY!
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$myImage = imagecreatetruecolor( $content['chart_width'], $content['chart_width']);
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// InitTemplateParser();
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// $page -> parser($content, "export.html");
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// $page -> output();
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}
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else
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{
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// Create ChartDiagram!
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/* // create basic colours
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$red = ImageColorAllocate($myImage, 255, 0, 0);
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$green = ImageColorAllocate($myImage, 0, 255, 0);
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$gray = ImageColorAllocate($myImage, 128, 128, 128);
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$black = ImageColorAllocate($myImage, 0, 0, 0);
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$white = ImageColorAllocate($myImage, 255, 255, 255);
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// Fill image with colour, and create a border
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imagerectangle( $myImage, 0, 0, $content['chart_width']-1, $content['chart_width']-1, $gray );
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imagefill( $myImage, 1, 1, $white );
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*/
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$text_color = imagecolorallocate($myImage, 255, 0, 0);
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imagestring($myImage, 3, 10, 10, $content['LN_GEN_ERRORDETAILS'], $text_color);
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imagestring($myImage, 3, 10, 25, $content['error_details'], $text_color);
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header ("Content-type: image/png");
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imagepng($myImage); // Outputs the image to the browser
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imagedestroy($myImage); // Clean Image resource
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exit;
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// Create a CVS File!
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$szOutputContent = "";
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$szOutputMimeType = "text/plain";
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$szOutputCharset = "";
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$szOutputFileName = "ExportMessages";
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$szOutputFileExtension = ".txt";
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if ( $content['exportformat'] == EXPORT_CVS )
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{
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// Set MIME TYPE and File Extension
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$szOutputMimeType = "text/csv";
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$szOutputFileExtension = ".csv";
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// Set Column line in cvs file!
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foreach($content['Columns'] as $mycolkey)
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{
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if ( isset($fields[$mycolkey]) )
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{
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// Prepend Comma if needed
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if (strlen($szOutputContent) > 0)
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$szOutputContent .= ",";
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// Append column name
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$szOutputContent .= $content[ $fields[$mycolkey]['FieldCaptionID'] ];
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}
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}
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// Append line break
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$szOutputContent .= "\n";
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// Append messages into output
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foreach ( $content['syslogmessages'] as $myIndex => $mySyslogMessage )
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{
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$szLine = "";
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// --- Process columns
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foreach($mySyslogMessage as $myColkey => $mySyslogField)
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{
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// Prepend Comma if needed
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if (strlen($szLine) > 0)
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$szLine .= ",";
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// Append field contents
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$szLine .= '"' . str_replace('"', '\\"', $mySyslogField['fieldvalue']) . '"';
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}
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// ---
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// Append line!
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$szOutputContent .= $szLine . "\n";
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}
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}
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else if ( $content['exportformat'] == EXPORT_XML )
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{
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// Set MIME TYPE and File Extension
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$szOutputMimeType = "application/xml";
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$szOutputFileExtension = ".xml";
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$szOutputCharset = "charset=UTF-8";
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// Create XML Header and first node!!
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$szOutputContent .= "\xef\xbb\xbf";
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$szOutputContent .= "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
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$szOutputContent .= "<syslogmessages>\n";
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// Append messages into output
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foreach ( $content['syslogmessages'] as $myIndex => $mySyslogMessage )
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{
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$szXmlLine = "\t<syslogmsg>\n";
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// --- Process columns
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foreach($mySyslogMessage as $myColkey => $mySyslogField)
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{
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// if ( isset($content[ $fields[$mycolkey]['FieldCaptionID'] ]) )
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// $szNodeTitle = $content[ $fields[$mycolkey]['FieldCaptionID'] ];
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// else
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// Append field content | first run htmlentities,tnen utf8 encoding!!
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$szXmlLine .= "\t\t<" . $myColkey . ">" . utf8_encode( htmlentities($mySyslogField['fieldvalue']) ) . "</" . $myColkey . ">\n";
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}
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// ---
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$szXmlLine .= "\t</syslogmsg>\n";
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// Append line!
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$szOutputContent .= $szXmlLine;
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}
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// End first XML Node
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$szOutputContent .= "</syslogmessages>";
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}
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// Set needed Header properties
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header('Content-type: ' . $szOutputMimeType . "; " . $szOutputCharset);
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header("Content-Length: " . strlen($szOutputContent) );
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header('Content-Disposition: attachment; filename="' . $szOutputFileName . $szOutputFileExtension . '"');
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// Output Content!
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print( $szOutputContent );
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}
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// ---
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// --- Output the image
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// Send back the HTML page which will call this script again to retrieve the image.
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$myGraph->StrokeCSIM();
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// ---
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?>
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@ -195,6 +195,13 @@ abstract class LogStream {
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*/
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public abstract function GetCurrentPageNumber();
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/**
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* This functions is used by charts/graph generator to obtain data
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*
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* @return integer Error stat
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*/
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public abstract function GetCountSortedByField($szFieldId, $nFieldType);
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/**
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* Gets a property and checks if the class is able to sort the records
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@ -499,6 +499,18 @@ class LogStreamDB extends LogStream {
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return false;
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}
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/**
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* Implementation of GetCountSortedByField
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*
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* In the native MYSQL Logstream, the database will do most of the work
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*
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* @return integer Error stat
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*/
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public function GetCountSortedByField($szFieldId, $nFieldType)
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{
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}
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/*
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* ============= Beginn of private functions =============
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*/
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@ -573,6 +573,49 @@ class LogStreamDisk extends LogStream {
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return false;
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}
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/**
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* Implementation of GetCountSortedByField
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*
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* For now, the disk source needs to loop through the whole file
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* to consolidate and sort the data
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*
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* @return integer Error stat
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*/
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public function GetCountSortedByField($szFieldId, $nFieldType)
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{
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// We loop through all loglines! this may take a while!
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$uID = UID_UNKNOWN;
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$ret = $this->ReadNext($uID, $logArray);
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if ( $ret == SUCCESS )
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{
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do
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{
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if ( isset($logArray[$szFieldId]) )
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{
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if ( isset($aResult[ $logArray[$szFieldId] ]) )
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$aResult[ $logArray[$szFieldId] ]++;
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else
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$aResult[ $logArray[$szFieldId] ] = 1;
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/*
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if ( isset($aResult[ $logArray[$szFieldId] ][CHARTDATA_COUNT]) )
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$aResult[ $logArray[$szFieldId] ][CHARTDATA_COUNT]++;
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else
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{
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$aResult[ $logArray[$szFieldId] ][CHARTDATA_NAME] = $logArray[$szFieldId];
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$aResult[ $logArray[$szFieldId] ][CHARTDATA_COUNT] = 1;
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}
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*/
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}
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} while ( ($ret = $this->ReadNext($uID, $logArray)) == SUCCESS );
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// finally return result!
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return $aResult;
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}
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else
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return ERROR_NOMORERECORDS;
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}
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/**
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* Set the direction the stream should read data.
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*
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@ -509,6 +509,18 @@ class LogStreamPDO extends LogStream {
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return false;
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}
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/**
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* Implementation of GetCountSortedByField
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*
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* In the PDO DB Logstream, the database will do most of the work
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*
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* @return integer Error stat
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*/
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public function GetCountSortedByField($szFieldId, $nFieldType)
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{
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}
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/*
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* ============= Beginn of private functions =============
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*/
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@ -78,6 +78,9 @@ define('EXPORT_XML', 'XML');
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define('CHART_CAKE', 1);
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define('CHART_BARS_VERTICAL', 2);
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define('CHART_BARS_HORIZONTAL', 3);
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define('CHARTDATA_NAME', 'NAME');
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define('CHARTDATA_COUNT', 'COUNT');
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// ---
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// ---
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@ -282,6 +282,10 @@ $content['LN_CONVERT_ERROR_SOURCEIMPORT'] = "Critical Error while importing the
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// Stats Site
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$content['LN_STATS_COUNTBYSOURCE'] = "Messagecount by Source";
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$content['LN_STATS_GRAPH'] = "Graph";
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$content['LN_GEN_ERROR_INVALIDFIELD'] = "Invalid fieldname";
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$content['LN_GEN_ERROR_MISSINGCHARTFIELD'] = "Missing fieldname";
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?>
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