Re: [libmicrohttpd] Messages queued by MHD not received by client

[Bob Furber]

Ooops!

I stand corrected: MHD_create_response_from_callback() returns a 
non-NULL pointer to a MHD_Response struct and it has a reasonable 
address. But, I have not figured out how to examine the structure it is 
pointing at.

Bob F

On 15-02-26 08:10 PM, Bob Furber wrote:
> I have a microhttpd based server program (mhdServer ) that happily 
> serves files and more, when run on a 64-bit LinuxPC and is accessed 
> through requests such as http://localhost:8080/filename.html.
>
> However, porting this program to a remote 32-bit Arm-Linux platform is 
> proving to be a challenge: It ALMOST WORKS:
> * It replies with a “404 File not found” response to requests for 
> non-existing files ..as it should
>
> But, requests for existing files do not get the anticipated reply:
> * Client hangs waiting for requested web page files
> * However, the web page is displayed by the client as soon as the 
> mhdServer program is terminated!!
>
> Examination of the mhdServer program with a remote debugger indicates 
> that:
> * All client requests are being received
> * The requested files are indeed located and fopen'ed
> * MHD_create_response_from_callback() returns MHD_YES (1)
> * MHD_queue_response() returns 1, indicating success ..yet the client 
> keeps waiting patiently for its response ..which only arrives upon  
> mhdServer's dying breath
>
> I have been banging my head against this for days. Can anyone suggest 
> any tests that might shed light on this strange behaviour?