Comments on: SDL Net – Part 2 (User Tutorial)

By: Rupak

Rupak — Tue, 27 Apr 2010 17:19:04 +0000

I noticed stderr.txt is full of:

SDLNet_TCP_Open: Couldn’t create socket

That’s the same problem with me too…

By: basement24

basement24 — Thu, 08 Apr 2010 16:24:40 +0000

how would i send a string of chars with this? tried butt no luck so far.

By: kahshoo-heem

kahshoo-heem — Wed, 13 Jan 2010 23:23:31 +0000

Ok, that’s my fault – again.
On the contrary I’ve said in the first part of the tutorial, SDL_Init(SDL_INIT_EVERYTHING) do not initialize SDL NET. According to the documentation, the subsystems started by this flag are:

SDL_INIT_TIMER The timer subsystem
SDL_INIT_AUDIO The audio subsystem
SDL_INIT_VIDEO The video subsystem
SDL_INIT_CDROM The cdrom subsystem
SDL_INIT_JOYSTICK The joystick subsystem

Therefore, you need to add CNet::Init() and CNet::Quit() to CApp_OnInit.cpp and CApp_OnCleanup.cpp files, respectively.

However, linux treats network initialization in a different way than Windows. I tested the host application in a linux workstation, and all gone well. For this I was trapped.

So it’s not enough to remember that, besides SDL is platform independent, we have always to test our programs in the various system and configurations we want they will run.

And that’s what I’ll do. After that, I will rewrite this tutorial.

By: kahshoo-heem

kahshoo-heem — Wed, 13 Jan 2010 00:19:03 +0000

obsrv,

Probably, the network security policy of your system is blocking your workstation to act as a server. Unfortunately, I don’t have a windows machine at the moment to test this hypothesis. But you can lay down the firewall, temporarily, of course , and check if the program works.

By: obsrv

obsrv — Tue, 12 Jan 2010 21:51:57 +0000

I noticed stderr.txt is full of:

SDLNet_TCP_Open: Couldn’t create socket

By: obsrv

obsrv — Tue, 12 Jan 2010 21:35:06 +0000

I read that response but altering the code did not help.

By: kahshoo-heem

kahshoo-heem — Tue, 12 Jan 2010 19:28:20 +0000

Please, see the response I wrote at “SDL Net – Part 1″ tutorial.
If you don’t want to update that line at CNet.cpp, you can download the files again, as I think Tim has already uploaded the fixed files.

By: obsrv

obsrv — Tue, 12 Jan 2010 15:53:46 +0000

I have compiled SDL Net Tutorial Files but when I run server executable a window of SDL appears for half-second and dissapears. Client executable works fine. Maybe there is problem with code?