[HOWTO] Enable graph links with time and search info

[duderino]

Maybe there was some way to do this already that I missed, but I couldn't find it.

It always bothered me that I couldn't send the view I was looking at to others via internal chat or email. If I wanted to send a link to a set of graphs from a search filter, I couldn't. Linking to multiple graphs via a host or data query view would work, but if I wanted a specific time period to be conveyed, I had to use a single graph view.

These changes will put a link on the time/search bar thingy that contains the time preset and search fields. You can then 'copy link location' or whatever your browser calls it. It doesn't do the exact time periods, you still have to use the graph.php magnifying glass thingy for that, but it will do last 2 hours, last month, etc.

It also adds some code that redirects the recipient back to a clean url after reading these variables into their session equivalents in the recipient browser.

In graph_view.php, at line 40ish, right after the input validation stuff:

Code: Select all

#redirect to a clean url after grabbing timespan and filter 
if (isset($_REQUEST["predefined_timespan"])) {
     $url = "http" . ((!empty($_SERVER['HTTPS'])) ? "s" : "") . "://". $_SERVER['HTTP_HOST']  . $_SERVER['REQUEST_URI'];
        if (isset($_REQUEST["filter"])) {
         $_SESSION["sess_graph_view_filter"] = $_REQUEST["filter"];
        }
         if (preg_match("/predefined/i", "$url")) {
         $_SESSION["sess_current_timespan"] = $_REQUEST["predefined_timespan"];
             $url_arr = explode("&pre",$url);
             $url = $url_arr[0];
         header( "Location:$url" );
         }
 }

Then this next line goes in two places. Both times, I snuck it inside the same table cell as the second clear button (the line contains "button_clear.gif"). In graph_view.php, this is at line 512ish, In lib/html_tree.php, this is around 1081 or so.

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<a href=<?php print "http" . ((!empty($_SERVER['HTTPS'])) ? "s" : "") . "://". $_SERVER['HTTP_HOST']  . $_SERVER['REQUEST_URI'] . "&predefined_timespan=" . $_SESSION["sess_current_timespan"] . "&filter=" .   $_SESSION["sess_graph_view_filter"];?>>Link to this view</a>

You'll also need to enable 'Show the page that user pointed their browser to.' in user management if you haven't already.

I've probably done some scary things here. Forgive me. Not really a programmer. Use at your peril.

[noname]

That's interesting modification.. Here is some sample.

Tree View

linkto_tree_view.png (14.72 KiB) Viewed 7962 times

List View

linkto_list_view.png (10.99 KiB) Viewed 7962 times

For example,
if I select '1 Month' for timespan and specify 'Traffic' for search filter,
I got the link to this page (by right-click 'Link to this view') as:

http://server/cacti/graph_view.php?style=selective&action=preview&predefined_timespan=7&filter=Traffic

That's useful :)



BTW, (this is off-topic?) if you want to make link to several graphs by hand, do like this:

linkto_by_hand.png (22.75 KiB) Viewed 7962 times

(In old version of Cacti, order of graph-ids can be specified voluntarily, but it is sorted automatically in recent Cacti...)

// Sorry my English

[dragossto]

Hy.
someone update the code ?
this future is interesting and useful (for someone ho update from 0.8.8 to 1.2.4 ).

my interest is preview view
Unfortunately function redirect from above no longer work or i misplaced
so i add in html_graph.php after

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<input type='button' class='ui-button ui-corner-all ui-widget' id='save' value='<?php print __esc('Save');?>' title='<?php print __esc('Save the current Graphs, Columns, Thumbnail, Preset, and Timeshift preferences to your profile');?>'>
							<?php }?>

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<a href=<?php print $_SERVER['REQUEST_SCHEME'] . "://" . $_SERVER['SERVER_NAME'] . ":" . $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI'] . "&predefined_timespan=" . $_SESSION['sess_current_timespan'] . "&predefined_timeshift=" . $_SESSION['sess_current_timeshift'] . "&filter=" .  $_SESSION['sess_graph_view_filter'] . "&date1=" . str_replace(' ', '%20', $_SESSION['sess_current_date1']) . "&date2=" .  str_replace(' ', '%20', $_SESSION['sess_current_date2']) . "&header=true";?>>Link to this view</a>

Regards,
Dragos Stoica.