Re: Adding/removing handles to the multi_handle produces unexpected result of curl_multi_perform

On Fri, 27 Sep 2019, Denis Chapligin via curl-library wrote:

> //Here goes the main loop
> curl_multi_perform(multi_handle, &running_handles);
> while(running_handles>0){
> curl_multi_wait(multi_handle)
> while(curl_multi_info_read(multi_handle) {
> if(CURLMSG_DONE) {
> //success
> curl_multi_remove_handle(multi_handle, easy_handle);
> curl_easy_cleanup(easy_handle);
> } else {
> //Failure, need to retry
> curl_multi_remove_handle(multi_handle, easy_handle);
> curl_easy_cleanup(easy_handle);
> auto easy_handle = curl_easy_init();
> curl_multi_add_handle(multi_handle, easy_handle);
> curl_easy_setopt(m_handle, CURLOPT_URL, "http://www.example.org");
> }
> curl_multi_perform(multi_handle, &running_handles);
> }

Not sure if this is what happens for you, but if in this case the newly added
transfers fails really early, the first curl_multi_perform() call with the new
transfer will get a zero back in running_handles and this loop will stop.

-- 
  / daniel.haxx.se | Get the best commercial curl support there is - from me
                   | Private help, bug fixes, support, ports, new features
                   | https://www.wolfssl.com/contact/
-------------------------------------------------------------------
Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library
Etiquette:   https://curl.haxx.se/mail/etiquette.html