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ID Date Icon Author Author Email Category OS ELOG Versiondown Subject
  1911   Thu Aug 24 15:52:54 2006 Entry Alan Stonealstone@fnal.govQuestionLinux2.6.2-1714Auto-refresh ELog display
We have multiple LCDs at a console, and usually one is dedicated to displaying a browser
with the local ELog. Meanwhile, others are making entries from another machine. If
no one clicks on refresh, the ELog display becomes stale. Is there a method to have
the ELog reload every X minutes?

Thanks, Alan
  1912   Thu Aug 24 19:02:47 2006 Reply Steve Jonessteve.jones@freescale.comQuestionLinux2.6.2-1714Re: Auto-refresh ELog display
Couldn't a small bit of javascript be added that would accomplish this? Me saying this and I have no idea what I am talking about!!


Alan Stone wrote:
We have multiple LCDs at a console, and usually one is dedicated to displaying a browser
with the local ELog. Meanwhile, others are making entries from another machine. If
no one clicks on refresh, the ELog display becomes stale. Is there a method to have
the ELog reload every X minutes?

Thanks, Alan
  1913   Thu Aug 24 19:28:35 2006 Reply Steve Jonessteve.jones@freescale.comQuestionLinux2.6.2-1714Re: Auto-refresh ELog display

<html>

<head>
<title>Refresh JavaScript Example</title>
<noscript>
<!--
We have the "refresh" meta-tag in case the user's browser does
not correctly support JavaScript or has JavaScript disabled.

Notice that this is nested within a "noscript" block.
-->
<meta http-equiv="refresh" content="2">

</noscript>

<script language="JavaScript">
<!--

var sURL = unescape(window.location.pathname);

function doLoad()
{
// the timeout value should be the same as in the "refresh" meta-tag
setTimeout( "refresh()", 2*1000 );
}

function refresh()
{
// This version of the refresh function will cause a new
// entry in the visitor's history. It is provided for
// those browsers that only support JavaScript 1.0.
//
window.location.href = sURL;
}
//-->
</script>

<script language="JavaScript1.1">
<!--
function refresh()
{
// This version does NOT cause an entry in the browser's
// page view history. Most browsers will always retrieve
// the document from the web-server whether it is already
// in the browsers page-cache or not.
//
window.location.replace( sURL );
}
//-->
</script>

<script language="JavaScript1.2">
<!--
function refresh()
{
// This version of the refresh function will be invoked
// for browsers that support JavaScript version 1.2
//

// The argument to the location.reload function determines
// if the browser should retrieve the document from the
// web-server. In our example all we need to do is cause
// the JavaScript block in the document body to be
// re-evaluated. If we needed to pull the document from
// the web-server again (such as where the document contents
// change dynamically) we would pass the argument as 'true'.
//
window.location.reload( false );
}
//-->
</script>
</head>

<!--
Use the "onload" event to start the refresh process.
-->
<body onload="doLoad()">

<script language="JavaScript">
<!--
// we put this here so we can see something change
document.write('<b>' + (new Date).toLocaleString() + '</b>');
//-->
</script>


</body>

</html>


Steve Jones wrote:
Couldn't a small bit of javascript be added that would accomplish this? Me saying this and I have no idea what I am talking about!!


Alan Stone wrote:
We have multiple LCDs at a console, and usually one is dedicated to displaying a browser
with the local ELog. Meanwhile, others are making entries from another machine. If
no one clicks on refresh, the ELog display becomes stale. Is there a method to have
the ELog reload every X minutes?

Thanks, Alan
  1914   Thu Aug 24 20:16:23 2006 Reply Alan Stonealstone@fnal.govQuestionLinux2.6.2-1714Re: Auto-refresh ELog display
I appreciate your posting of the JavaScript. However, I have no idea what
to do with it. The page appears to be generated by some elog daemon. I do
not know how to hook into that.
Alan


Steve Jones wrote:
Couldn't a small bit of javascript be added that would accomplish this? Me saying this and I have no idea what I am talking about!!


Alan Stone wrote:
We have multiple LCDs at a console, and usually one is dedicated to displaying a browser
with the local ELog. Meanwhile, others are making entries from another machine. If
no one clicks on refresh, the ELog display becomes stale. Is there a method to have
the ELog reload every X minutes?

Thanks, Alan
  1915   Fri Aug 25 05:27:13 2006 Reply Steve Jonessteve.jones@freescale.comQuestionLinux2.6.2-1714Re: Auto-refresh ELog display
eLog allows one to add custom headers or footers as well as include Cascading Style Sheets. I believe there is a post somewhere in here from Stefan indicating that javascript can be added through one of these methods . . . hold on, a simple search, yes Stefan mentions it at http://midas.psi.ch/elogs/Forum/1837


Alan Stone wrote:
I appreciate your posting of the JavaScript. However, I have no idea what
to do with it. The page appears to be generated by some elog daemon. I do
not know how to hook into that.
Alan


Steve Jones wrote:
Couldn't a small bit of javascript be added that would accomplish this? Me saying this and I have no idea what I am talking about!!


Alan Stone wrote:
We have multiple LCDs at a console, and usually one is dedicated to displaying a browser
with the local ELog. Meanwhile, others are making entries from another machine. If
no one clicks on refresh, the ELog display becomes stale. Is there a method to have
the ELog reload every X minutes?

Thanks, Alan
  1919   Thu Aug 31 21:46:15 2006 Warning Steve Jonessteve.jones@freescale.comBug reportAll2.6.2-1714Top Text and Bottom Text only show "text" --- no files
Just compiled 2.6.2-1714 and "Top text" and "Bottom text" interpret everything as "text" --- nothing is interpreted as a file to be included, unless there is a new syntax.
  1924   Tue Sep 5 19:46:05 2006 Reply Steve Jonessteve.jones@freescale.comBug reportAll2.6.2-1714Re: Top Text and Bottom Text only show "text" --- no files

Steve Jones wrote:
Just compiled 2.6.2-1714 and "Top text" and "Bottom text" interpret everything as "text" --- nothing is interpreted as a file to be included, unless there is a new syntax.


I dropped back to SVN1699 and same problem, then moved the file to the elog root directory and it works fine. Seems that the current version isn't finding the file, regardless of where I put it (root or in 'resources' directory). Perhaps another directory?
  1925   Tue Sep 5 20:23:40 2006 Reply Steve Jonessteve.jones@freescale.comBug reportAll2.6.2-1714Re: Top Text and Bottom Text only show "text" --- no files

Steve Jones wrote:

Steve Jones wrote:
Just compiled 2.6.2-1714 and "Top text" and "Bottom text" interpret everything as "text" --- nothing is interpreted as a file to be included, unless there is a new syntax.


I dropped back to SVN1699 and same problem, then moved the file to the elog root directory and it works fine. Seems that the current version isn't finding the file, regardless of where I put it (root or in 'resources' directory). Perhaps another directory?


Stefan, I found the source of the problem. When you moved some files to "logbook_dir" you also told the code to look in "logbook_dir" for top and bottom text files:
void show_bottom_text(LOGBOOK * lbs)
{
   char str[NAME_LENGTH], slist[20][NAME_LENGTH], svalue[20][NAME_LENGTH];
   int i, size;

   if (getcfg(lbs->name, "bottom text", str, sizeof(str))) {
      FILE *f;
      char file_name[256], *buf;

      if (str[0]) {
         /* check if file starts with an absolute directory */
         if (str[0] == DIR_SEPARATOR || str[1] == ':')
            strcpy(file_name, str);
         else {
            strlcpy(file_name, logbook_dir, sizeof(file_name));
            strlcat(file_name, str, sizeof(file_name));
         }

The documentation indicates that the location dir should be "resource_dir".
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