/** Handle asynchronous cancellation of a request
*
* If we're signalled that the request has been cancelled (FR_SIGNAL_CANCEL).
* Cleanup any pending state and release the connection handle back into the pool.
*
* @param[in] instance of rlm_rest.
* @param[in] thread Thread specific module instance.
* @param[in] request being cancelled.
* @param[in] rctx rlm_rest_handle_t currently used by the request.
* @param[in] action What happened.
*/
void rest_io_module_action(void *instance, void *thread, REQUEST *request, void *rctx, fr_state_signal_t action)
{
rlm_rest_handle_t *randle = talloc_get_type_abort(rctx, rlm_rest_handle_t);
rlm_rest_thread_t *t = thread;
CURLMcode ret;
if (action != FR_SIGNAL_CANCEL) return;
RDEBUG2("Forcefully cancelling pending REST request");
ret = curl_multi_remove_handle(t->mandle, randle->candle); /* Gracefully terminate the request */
if (ret != CURLM_OK) {
RERROR("Failed removing curl handle from multi-handle: %s (%i)", curl_multi_strerror(ret), ret);
/* Not much we can do */
}
t->transfers--;
rest_request_cleanup(instance, randle);
fr_pool_connection_release(t->pool, request, randle);
}
static void rlm_rest_cleanup (rlm_rest_t *instance, rlm_rest_section_t *section,
void *handle)
{
rest_request_cleanup(instance, section, handle);
};
