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Property Tree/Web Server: Difference between revisions
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{{PropertyTree}} | {{PropertyTree}} | ||
[[FlightGear]] has a few network access protocols. These are started | {{Note|This feature received significant updates in FlightGear 3.1+: | ||
While working on the new radio/atis implementation, Torsten rediscovered the internal httpd (aka webserver) to browse the property tree. | |||
It's much easier to have multiple browser windows open and point to various locations in the property tree than to reopen the internal | |||
property browser and navigate to the locations after each sim restart. | |||
After a while, Torsten got disappointed by the functionality and the look&feel of the http property-browser, so he had a look at the code to see if it | |||
could be improved, he quickly realized, that the implementation was simple but not scalable, so he looked for something allready available on | |||
the GPL market. | |||
And he found Mongoose as a well maintained, feature rich and yet simple implementation of a web server and started to embedd that into FlightGear. | |||
What is ready so far and pushed to next is: | |||
* A single threaded httpd running in the main loop (should probably get its own thread soon) | |||
* Running as a replacement for the old httpd | |||
* Serving FGDATA/Docs as the document root | |||
* Serving the uri /props/ as a replacement for the old property browser (improved functionality, improved l&f, styling via css) | |||
* Serving the uri /run.cgi as a replacement for the old interface to run fg_commands | |||
* Serving the uri /json/ to return selected properties as JSON (read-only so far) | |||
{{FGCquote | |||
|If your using fgrun, under Advanced (last tab)/ Network, check httpd and enter 5500. Then in a compatible browser use <code>http://localhost:5500/gui/</code> | |||
|{{cite web |url=http://forum.flightgear.org/viewtopic.php?p=237925#p237925 | |||
|title=<nowiki>Re: Heaven or Hell? Phi sneak preview.</nowiki> | |||
|author=<nowiki>wlbragg</nowiki> | |||
|date=<nowiki>Sun Apr 05</nowiki> | |||
}} | |||
}} | |||
}} | |||
[[FlightGear]] has a few network access protocols. These are started via a [[Command Line Parameters|command line option]]. | |||
And, just for fun we have an embedded web server you can activate which exposes the internal property tree via a web style interface that you can browse (and edit) with any web browser. You can literally fly the airplane remotely via your web browser. It's primarily there as an interactive remote debugging tool, but it could be used for many things. | |||
== Web Server == | == Web Server == | ||
| Line 15: | Line 47: | ||
You can now browse the entire FG property tree "live" as the sim is running. You need to refresh the browser to see changes and you can even change values if you like. You can configure autopilot modes and even set control inputs so you could literally fly the airplane from your web browser, although it's maybe not the most convenient interface for doing that. ;-) | You can now browse the entire FG property tree "live" as the sim is running. You need to refresh the browser to see changes and you can even change values if you like. You can configure autopilot modes and even set control inputs so you could literally fly the airplane from your web browser, although it's maybe not the most convenient interface for doing that. ;-) | ||
Note that you can setup as many of these as you want ... for instance, just to be obscene you could do: | |||
* --httpd=5400 | |||
* --httpd=5401 | |||
* --httpd=5402 | |||
* --props=5403 | |||
* --props=5404 | |||
* --props=5405 | |||
Now you have 6 different network interfaces running that you can access from anywhere. [Note: security issues if not used wisely.] | |||
[[Category:Property Tree]] | [[Category:Property Tree]] | ||