X11 Server

[RossComputerGuy]

I'm trying to build my own x11 server and I've built upon the existing code, but I'm stuck at pack_stream.pack("CxSSSa",[1,11,0,hello.length/4,hello]); and I don't know what hello is suppose to be set to.

[sidorares]

What type of server you building? I can't remember how complete server side of this library is, and it does not attempt to implement any functionality/semantics at all, just protocol. Intended use case is various types of proxy servers talking to "Real" x11 server

[sidorares]

looks like you are talking about this line: https://github.com/sidorares/node-x11/blob/f040f8bbba7b5be7f1ef1223dde495f92ade3284/lib/xserver.js#L153

( wow, there is hard coded fs.readFile there )

I'm pretty sure this is server side of what happens here: https://github.com/sidorares/node-x11/blob/97a582be5c135c884342035e9967b2480d9e93ea/lib/handshake.js#L111

Have a look at what readServerHello does on client, from there you can figure out how to serialize that on server

[RossComputerGuy]

I've not been able to figure it out, I've spent the last few hours looking and couldn't figure it out.

[sidorares]

I might be able to help later today but no promices

[RossComputerGuy]

Here is a chunk of my working code

this.pack_stream.pack("C",[1]);
		this.pack_stream.flush();
		
		this.pack_stream.pack("xSSSLLLLSSCCCCCCCCxxxxp",[
			this.protocolMajor, // major
			this.protocolMinor, // minor
			(32+this.server.formats.getByteLength()+stringPad(this.vendor)+this.server.screens.getByteLength())/4, // xlen
			0, // release
			this.resource_id_base, // resource_base
			this.resource_id_mask, // resource_mask
			255, // motion_buffer_size
			this.vendor.length, // vlen
			0xffff, // max_request_length
			this.server.screens.arr.length, // screen_num
			this.server.formats.arr.length, // format_num
			0, // image_byte_order
			0, // bitmap_bit_order
			32, // bitmap_scanline_unit
			32, // bitmap_scanline_pad
			8, // min_keycode
			255, // max_keycode
			
			this.vendor // vendor
		]);
		this.pack_stream.flush();
		for(var format of this.server.formats.arr) {
			this.pack_stream = format.pack(this.pack_stream);
			this.pack_stream.flush();
		}
		for(var screen of this.server.screens.arr) {
			this.pack_stream = screen.pack(this.pack_stream);
			this.pack_stream.flush();
		}

[RossComputerGuy]

X11 Server

[sidorares]

not much there yet @SpaceboyRoss01 :) What are you plans re server implementation?

[RossComputerGuy]

I plan to write a basic server that people use event listeners to know what happens.14.11.2018, 14:26, "Andrey Sidorov" [email protected]:not much there yet @SpaceboyRoss01 :) What are you plans re server implementation?

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[sidorares]

Would it actually implement some x server functionality or act as a proxy to "real" server?

[RossComputerGuy]

An actual X Server14.11.2018, 14:33, "Andrey Sidorov" [email protected]:Would it actually implement some x server functionality or act as a proxy to "real" server?

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[sidorares]

What would it use for display? Offscreen pixmap / browser / etc?

these two use browser:

https://github.com/GothAck/javascript-x-server https://github.com/ttaubert/x-server-js

[RossComputerGuy]

Actually, there's an event that will be emitted when the display is updated.

[RossComputerGuy]

I might need some help with writing the code to get it to work.