Re: [mh] Simple JSON Server

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Ryan,

Have you looked at the xml server in mh/lib/xml_server.pl?  I think it 
would be good to add a format=json option to it.  I have some ideas on 
how to create a streaming or chunked server.

David

On 5/11/2011 6:54 AM, Douglas Parrish wrote:
> Aesome!!!
>
> On Wed, May 11, 2011 at 6:56 AM, Ryan Davies 
> <ry...@pr... <mailto:ry...@pr...>> wrote:
>
>     Hi All,
>
>
>     I have written a small prototype JSON server for dynamically
>     passing variables to web-pages using AJAX and JSON formatting.
>
>
>     My end goal is to completely re-work the WEB-UI into something a
>     little more WEB2.0 (I hate frames with a passion)
>
>
>     The work I have so far is this:
>
>
>     Objcts can be requested on the URL:
>
>     E.g. I want the Time_Now and Time_Sunset variables:
>     /bin/variables.js.pl?Time_Now=&Time_Sunset=
>     <http://variables.js.pl?Time_Now=&Time_Sunset=>
>
>     - Returns:
>
>     {"Time_Now":"11:34 PM","Time_Sunset":"5:17 PM"}
>
>
>     If I want an entire Hash:
>
>     /bin/variables.js.pl?Save= <http://variables.js.pl?Save=>
>
>     - Returns:
>
>     {"Save":{"web_hits_hour":0,"mode":"mute","web_count_default":1130,"ping_test_results":"up","sleeping_kids":0,"photo_index":null,"mhdl_date":"12/01/2008","mp3_Genre":null,"web_clients_hour":0,"Time_Saved":"11/05/11
>     23:35:00","web_hits_day":96,"mhdl_maj":2,"email_flag":"
>     37","mp3_search":null,"web_clients_day":4,"trivia.Entertainment.cnt":23,"photo_search":null,"trivia.Science.cnt":21,"trivia.Sports.cnt":14,"trivia.Mixed.cnt":12,"security":null,"mh_exit":"abend","mhdl_min":105,"sleeping_parents":0}}
>
>
>     Or if I only want certain variables of that hash, e.g. just the
>     house mode and who is sleeping:
>
>     /bin/variables.js.pl?Save=mode,sleeping_parents,sleeping_kids
>     <http://variables.js.pl?Save=mode,sleeping_parents,sleeping_kids>
>
>     - Returns:
>
>     {"Save":{"mode":"mute","sleeping_kids":0,"sleeping_parents":0}}
>
>     An example of multiple hashes and variables:
>
>     /bin/variables.js.pl?config_parms=html_dir&Time_Sunrise=&Weather=Summary_Short&Date_Now=&Tk_objects=label_cpu_used,label_memory_used
>     <http://variables.js.pl?config_parms=html_dir&Time_Sunrise=&Weather=Summary_Short&Date_Now=&Tk_objects=label_cpu_used,label_memory_used>
>
>     - Returns:
>
>     {"Time_Sunrise":"7:18
>     AM","config_parms":{"html_dir":"/home/ryan/mh/web"},"Date_Now":"Wed,
>     May 11","Weather":{"Summary_Short":"19.0&deg;C
>     100%"},"Tk_objects":{"label_memory_used":"MB
>     44.7/33.8","label_cpu_used":"CPU 6.0%"}}
>
>
>     Unfortunatly I dont have this working with objects at this stage
>     (Just builtin and overridden vars)
>
>
>     The plan is to have a UI that certain aspects can update via ajax
>     without having to pull large files, Also, each "section" can just
>     pull the data it needs.
>
>
>     Here is an example of a webpage calling this JSONgen via AJAX:
>
>     <html>
>
>     <head>
>
>     <script type="text/javascript" src="js/jquery.min.js"></script>
>
>     <script>
>
>     function ajaxCallBack(data) {
>
>     // Updated the required Classes
>
>     // Called from fireJSON's getJSON
>
>     // This function could also just store them in JS vars.
>
>     $(".time_now").html(data.Time_Now);
>
>     $(".cpu").html(data.Tk_objects.label_cpu_used);
>
>     $(".mem").html(data.Tk_objects.label_memory_used);
>
>     }
>
>     $(document).ready(function() {
>
>     fireJSON();
>
>     });
>
>     function fireJSON(){
>
>     // get the JSON Data
>
>     $.getJSON("/bin/variables.js.pl <http://variables.js.pl>",
>
>     { Weather: "Summary_Short", Tk_objects:
>     "label_cpu_used,label_memory_used", config_parms:
>     "web_href_shopping", Time_Now: "" },
>
>     ajaxCallBack
>
>     );
>
>     // Update the data every 5 seconds (CAN CAUSE ALOT OF JSON CALLS,
>     IN HERE FOR TESTING)
>
>     setTimeout("fireJSON();", 5000);
>
>     }
>
>     </script>
>
>     </head>
>
>     <body>
>
>     Time Now: <span id="time_now" class="time_now"></span><br />
>
>     CPU: <span id="cpu" class="cpu"></span><br />
>
>     Memory Used: <span id="mem" class="mem"></span><br />
>
>     </body>
>
>     </html>
>
>
>     Which for me, Generates (which updates every 5 seconds successfully):
>
>     Time Now: 11:51 PM
>
>     CPU: CPU 6.0%
>
>     Memory Used: MB 44.7/33.8
>
>
>     Source code is listed here: http://pastebin.com/Mdz0LzWH
>
>
>     Any changes or suggestions welcome
>
>
>     -- 
>
>     Regards,
>
>     Ryan
>
>
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>
>
>
> -- 
> Douglas A. Parrish
> do...@ge... <mailto:do...@ge...>
>
>
> ------------------------------------------------------------------------------
> Achieve unprecedented app performance and reliability
> What every C/C++ and Fortran developer should know.
> Learn how Intel has extended the reach of its next-generation tools
> to help boost performance applications - inlcuding clusters.
> http://p.sf.net/sfu/intel-dev2devmay
>
>
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> To unsubscribe from this list, go to: http://sourceforge.net/mail/?group_id=1365
>