Hi,

I am writing a C client using libcurl to communicate with a proprietary
server. I am registering a function handle to receive the response from the
server using something like:

*****************************************
curl_easy_setopt( curl, CURLOPT_WRITEFUNCTION, responseBodyReceiver );
*****************************************

I want to stop reading response and close connection from the client if the
total data received exceeds some preset response size limit.

So, I want the responseBodyReceiver to look something like:

*****************************************
size_t responseBodyReceiver(void *buffer, size_t size, size_t nmemb, void
*userp)
{
        size_t realsize = size * nmemb;
        ResponseData *mem = static_cast<ResponseData*>(userp);

        size_t newSize = mem->size + realsize;

        if( newSize > RESPONSE_SIZE_LIMIT ){

            // I would like to stop reading and exit. But want to
            // break connection from the client side before I exit

        }else{

            mem->memory = (char*)realloc( mem->memory, newSize );
            memcpy( &(mem->memory[mem->size]), buffer, realsize );
            mem->size = newSize;

            return realsize;
        }
}
*****************************************
I am not sure how I can exit the responseBodyReceiver by closing the
connection from the client side.

Any help would be highly appreciated,

Thanks
Sachin

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Received on 2014-04-29