I don't really know where this would fit best, but I want to get a JSON and turn it into server stats.

Example:

www.usgn.de/serverstats?1.2.3.4:6969
Will result in a file such as:


Basic right? I hope this is possible.

You want to develop a RESTful API to get the server stats by the server's IP address? Is it what you want?

I made a little investigation of http://www.unrealsoftware.de/usgn.php?s=cs2d and find out that you can make a GET call to

For example:

returned
(visible content only, HTML tags omitted)

It's not JSON, but I guess you can use parse it and make use of that. It's simple HTML with table tags.

Parameters of a call:

Okay and how do I download a file with Lua? doesn't seem to exist.

Use



Replace ip with server ip address
Replace port with server port

EDIT: Fixed the code!

But how? I've tried to google but it seems complicated.

My way is too complicated yeah, You may use what @ Avo said, It's much easier.

Yeah but I want to download the URL into a string somehow...

@ Mami Tomoe: Are you using pure lua or CS2D

CS2D Lua, I want to have a server specifically for doing file downloading and stuff

If you want simpler method, not recommended though, can cause traffic to unrealsoftware itself. Use Avo's method.

Off-topic: I personally recommend asking for such help in unreal software discord instead, there is a specificed channel for it. There are so many good developers who are experienced at that area and there are more active developers than in here.

I get Timeout.

That's why I said It's not recommended, So the best way is using datagram. Why don't you use it Mami Tomoe? Even If It's complicated you will need to learn it in the future so why not now? We are here we can try our best to help you

I just want something simple that works...

@ Gaios: it seems to happen when the IP and/or port is wrong or server is not reachable by USGN itself (due to high latency, I believe).

Edit:

You might want to see [Lua 5.1] LuaSocket 3.0 x86 Windows/Linux/MacOS (6).

What is the end goal of getting the server stats for servers, are you trying to make a "hub/lobby" or something?

Look, So now they are offering you to use LuaSocket, It's complicated too. So finally you should get back to my way, Using my way you don't have to install anything because it uses nodeJS itself to request data, Just use the code I've posted above then you're done. It gets the server map, server name. If you would like to add more you would have to find the hexadecimal address of what you would like to add.

Note: It also shows some special characters If you don't want to, Just use regular expressions to avoid that.

Careful! The PHP script is NOT a public API! You should NOT use it because I can't guarantee that this script will stay the way it is. It's very likely that it will be changed in future. That would break your stuff. Also it's not designed for mass requests. So it's a bad idea to call it often. Don't get me wrong: I don't mind if you use it (unless you plan to call it frequently, that would slow down my whole server) but it's not made for external use.

Moreover it's quite inefficient. What that PHP script does is requesting the info from the server directly via a UDP socket (that's what The Dark Shadow explained). So when you use that you would have the full HTTP request with all its overhead in between for no good reason at all.

In general the USGN is not required at all to get information from a server (as long as you have the IP already).

The recommended approach would be to get the server details directly from the server via UDP.

And how would I do it using UDP and Lua?

I'm using nodejs childprocess to run cs2d dedicated server, then read the output console from it and use firebase to get stuffs on server. Got it works with realtime chat log and player list, server info, etc..