There is one tiny bug. You are dereferencing 'arg', but never passed its address. So use:
MHD_OPTION_EXTERNAL_LOGGER,
MHD_external_logger, (void*) &MHD_logger,
and it should work.
On 11/29/18 9:25 AM, sreejit...@dell.com wrote:
> Hi MHD team/Christian,
>
>
>
> I implemented MHD in a windows application via MSYS. To detect some
> intermittent connection-break issues, I implemented external logging. It
> looks straightforward and that is why I doubt if it is the right way to
> do, too… messages are enabled (not compiled with –disable-messages) and
> I also use MHD_USE_DEBUG.
>
>
>
> FILE* MHD_logger = NULL; //somewhere in the code
>
>
>
> voidMHD_external_logger(void* arg, constchar* fmt, va_listap)
>
> {
>
>
>
> if(arg!= NULL)
>
> {
>
> FILE* _fptr = *((FILE**)(arg));
>
> vfprintf_s(_fptr, fmt, ap);
>
> }
>
> }
>
>
>
> //…
>
> //
>
> m_pMhd = MHD_start_daemon(flags | MHD_USE_DEBUG, gblusport,
>
> //NULL,NULL,
>
> AcceptPolicyCallback, this,
>
> AccessHandlerCallback, this,
>
> MHD_OPTION_CONNECTION_TIMEOUT,
> (unsignedint)120,
>
> MHD_OPTION_SOCK_ADDR, &addr,
>
> MHD_OPTION_HTTPS_MEM_KEY, key_file_pem.c_str(),
>
> MHD_OPTION_HTTPS_MEM_CERT,
> cert_file_pem.c_str(),
>
> MHD_OPTION_EXTERNAL_LOGGER,
> MHD_external_logger, (void*)MHD_logger,
>
> MHD_OPTION_ARRAY, &ops[0],
>
> MHD_OPTION_END);
>
>
>
>
>
> -Sreejith.
>
>
>
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