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Hi everybody, recently I have finished a nice Purebasic progamm (with two cpp helper .so Libs). A CLI QR-/Barcode Detection from USB-Webcams or RTSP Livestreams. With virtual keyboard and some other nice features (e.g. making automatic product pictures).

https://codeberg.org/tomas-jakobs/qr-code ...

I cannot directly anser your question, but today I've made my own Windows app SCM "serviceable".
Everyting is within an include file windows_service.pbi to keep my main program clean and uncluttered, maybe you check it out?

https://codeberg.org/tomas-jakobs/rest-api-skeleton

Update: Windows version is up and running after a partial rewrite of the Threadmodel.

Thank you @infrate, you pushed me into the right Direction.

And @idle I took a peek into the Atomic Webserver but this is directly using the Socket in Windows. It tries to be a fully blown Webserver and has a lot ...

First thank you all for your input.. right now i am rewriting my thread handling this weekend... so please give some time to answer.

It does not crash here at the CloseConnection() line (WIn10 x64 PB 621b2 x86)
But it crashed once in Select NetworkServerEvent()
So I modified it a bit and then it runs smooth:


Adopted your modification but it still keeps crashing here. The first request/response runs, but then it fails.
I am ...

this is my last try to clean up everything:


Structure ClientData
ClientID.i
AlreadyCleanedUp.i
EndStructure




If *client

; Check If already cleaned up somewhere Else
If *client\AlreadyCleanedUp = 1
ProcedureReturn
Else

;Set Flag to true in order to prevent 2x ...

infratec wrote: Fri Apr 11, 2025 9:27 am Instead of

Code: Select all

If *client :  FreeMemory(*client) : EndIf

You should use:

Code: Select all

If *client :  FreeStructure(*client) : EndIf

But that is not a reason for the crash (I think)

FreeStructure in the Cleanup Procedure leads to crash Invalid Memory access (read error at address ... )

Any chance to try to remove all unneeded part while still preserving the issue ?


Here we go, kicked everything out.
first request is served... 2nd or 3rd request crashes ... in Windows only... in the Cleanup Procedure when it is closed in CloseNetworkConnection
I am checking if client ...

Good Morning,

I can bring it down to "CloseNetworkConnection" in my rest-api-skeleton.pb, cleaning procedure:


; Clean Up ClientHandling Routine
Procedure CleanupClient(clientID.i, *buffer, *client.ClientData, *tempbuffer)

; Check first before trying to close Connections and free memory
If ...

thank you for your quick check and suggesttion. Poking behind is prevented with alloc size +1 everywhere. In adition to this I eleminated a race condition in my Main loop when creating threads on PB_NetworkEvent_Connect. This works now with charme handling many parallel threads on GNU/LInux. But ...

Now checked against PureBasic 6.21 Beta on Windows 10 baremetal and virtualized Windows 2019 - no success.
Checked my code again, tried multiple compiler options, added more defensive checks (cause I expect broken requesting clients) but again, no success.
For me the NetworkServer of PureBasic is ...

Hi there,

this is my first post and my first purebasic steps, please be polite when I am missing someting

I've written an small skeleton for an http rest-api server in purebasic:
https://codeberg.org/tomas-jakobs/rest-api-skeleton

In GNU/Linux (Debian sid and stable) everything works fine and is ...