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Diffstat (limited to 'src/examples')
| -rw-r--r-- | src/examples/rrdJFlotTwo.html | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/examples/rrdJFlotTwo.html b/src/examples/rrdJFlotTwo.html new file mode 100644 index 0000000..9719dde --- /dev/null +++ b/src/examples/rrdJFlotTwo.html @@ -0,0 +1,141 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<!-- + Example HTML/javascript file that display the + content of two RRD archive files in a graph + using the Flot libraries + Part of the javascriptRRD package + Copyright (c) 2010 Igor Sfiligoi, isfiligoi@ucsd.edu + Frank Wuerthwein, fkw@ucsd.edu + + Original repository: http://javascriptrrd.sourceforge.net/ + + MIT License [http://www.opensource.org/licenses/mit-license.php] + +--> + +<!-- + This page requires Flot. + + Repository: http://code.google.com/p/flot/ + +--> + +<html> + + <script type="text/javascript" src="../lib/binaryXHR.js"></script> + <script type="text/javascript" src="../lib/rrdFile.js"></script> + <script type="text/javascript" src="../lib/rrdMultiFile.js"></script> + + <!-- rrdFlot class needs the following four include files !--> + <script type="text/javascript" src="../lib/rrdFlotSupport.js"></script> + <script type="text/javascript" src="../lib/rrdFlot.js"></script> + <script type="text/javascript" src="../../flot/jquery.js"></script> + <script type="text/javascript" src="../../flot/jquery.flot.js"></script> + <head> + <title>RRD Graphs with Flot</title> + </head> + + <body> + <h1 id="title">RRD Graphs with Flot</h1> + + RRD URL: + <input type="text" id="input_fname1" value="example4_s1.rrd"><br> + <input type="text" id="input_fname2" value="example4_s2.rrd"><br> + <button onclick="fname_update()">Update</button> + <hr> + + <table id="infotable" border=1> + <tr><td colspan="21"><b>Javascript needed for this page to work</b></td></tr> + <tr><td><b>RRD file</b></td><td id="fname1" colspan="2">None</td><td id="fname2" colspan="3">None</td></tr> + </table> + + <div id="mygraph"></div> + + <script type="text/javascript"> + + // Remove the Javascript warning + document.getElementById("infotable").deleteRow(0); + + // fname and rrd_data are the global variable used by all the functions below + fname1=document.getElementById("input_fname1").value; + rrd_data1=undefined; + fname2=document.getElementById("input_fname2").value; + rrd_data2=undefined; + + // This function updates the Web Page with the data from the RRD archive header + // when a new file is selected + function update_fname() { + if ((rrd_data1==undefined) || (rrd_data2==undefined)) { + return; /* some data still missing */ + } + + rrd_data_sum=new RRDFileSum([rrd_data1,rrd_data2]); + + // Finally, update the file name and enable the update button + document.getElementById("fname1").firstChild.data=fname1; + document.getElementById("fname2").firstChild.data=fname2; + + var graph_opts={legend: { noColumns:4}}; + var ds_graph_opts={'Oscilator':{ color: "#ff8000", + lines: { show: true, fill: true, fillColor:"#ffff80"} }, + 'Idle':{ label: 'IdleJobs', color: "#00c0c0", + lines: { show: true, fill: true} }, + 'Running':{color: "#000000",yaxis:2}}; + + // the rrdFlot object creates and handles the graph + var f=new rrdFlot("mygraph",rrd_data_sum,graph_opts,ds_graph_opts); + } + + // This is the callback function that, + // given a binary file object, + // verifies that it is a valid RRD archive + // and performs the update of the Web page + function update_fname_handler1(bf) { + var i_rrd_data=undefined; + try { + var i_rrd_data=new RRDFile(bf); + } catch(err) { + alert("File "+fname1+" is not a valid RRD archive!"); + } + if (i_rrd_data!=undefined) { + rrd_data1=i_rrd_data; + update_fname() + } + } + + function update_fname_handler2(bf) { + var i_rrd_data=undefined; + try { + var i_rrd_data=new RRDFile(bf); + } catch(err) { + alert("File "+fname2+" is not a valid RRD archive!"); + } + if (i_rrd_data!=undefined) { + rrd_data2=i_rrd_data; + update_fname() + } + } + + // this function is invoked when the RRD file name changes + function fname_update() { + /* invalidate them, so we know when they are both loaded */ + rrd_data1=undefined; + rrd_data2=undefined; + + fname1=document.getElementById("input_fname1").value; + try { + FetchBinaryURLAsync(fname1,update_fname_handler1); + } catch (err) { + alert("Failed loading "+fname1+"\n"+err); + } + fname2=document.getElementById("input_fname2").value; + try { + FetchBinaryURLAsync(fname2,update_fname_handler2); + } catch (err) { + alert("Failed loading "+fname2+"\n"+err); + } + } + + </script> + </body> +</html> |