Exemple #1
0
        private void CheckMultiInfo()
        {
            IntPtr pMessage;

            while ((pMessage = CurlNative.Multi.InfoRead(_multiHandle, out int _)) != IntPtr.Zero)
            {
                var message = Marshal.PtrToStructure <CurlNative.Multi.CURLMsg>(pMessage);
                if (message.msg != CURLMSG.DONE)
                {
                    throw new Exception($"Unexpected curl_multi_info_read result message: {message.msg}.");
                }

                var context = _easyPool[message.easy_handle];

                /* Do not use message data after calling curl_multi_remove_handle() and
                 *         curl_easy_cleanup(). As per curl_multi_info_read() docs:
                 *         "WARNING: The data the returned pointer points to will not survive
                 *         calling curl_multi_cleanup, curl_multi_remove_handle or
                 *         curl_easy_cleanup." */

                var action = _responseConsumer.OnComplete(context.Easy, context.CurrentRequest, message.data.result);

                if (action == HandleCompletedAction.ReuseHandleAndRetry)
                {
                    CurlNative.Multi.RemoveHandle(_multiHandle, context.Easy);
                    CurlNative.Multi.AddHandle(_multiHandle, context.Easy);
                }
                else if (action == HandleCompletedAction.ResetHandleAndNext)
                {
                    CurlNative.Multi.RemoveHandle(_multiHandle, context.Easy);
                    CurlNative.Easy.Reset(context.Easy);

                    GC.KeepAlive(context.CurrentRequest);
                    context.IsUsed         = false;
                    context.CurrentRequest = null;

                    Refill();
                }
            }
        }
Exemple #2
0
        private void CheckMultiInfo()
        {
            IntPtr pMessage;

            while ((pMessage = CurlNative.Multi.InfoRead(_multiHandle, out int _)) != IntPtr.Zero)
            {
                var message = Marshal.PtrToStructure <CurlNative.Multi.CURLMsg>(pMessage);
                if (message.msg != CURLMSG.DONE)
                {
                    throw new Exception($"Unexpected curl_multi_info_read result message: {message.msg}.");
                }

                var easy = _easyPool.GetSafeHandleFromPtr(message.easy_handle);

                /* Do not use message data after calling curl_multi_remove_handle() and
                 *         curl_easy_cleanup(). As per curl_multi_info_read() docs:
                 *         "WARNING: The data the returned pointer points to will not survive
                 *         calling curl_multi_cleanup, curl_multi_remove_handle or
                 *         curl_easy_cleanup." */

                _easyPool.GetAssignedContext(easy, out T requestContext);
                var action = _responseConsumer.OnComplete(easy, requestContext, message.data.result);

                if (action == HandleCompletedAction.ReuseHandleAndRetry)
                {
                    CurlNative.Multi.RemoveHandle(_multiHandle, easy);
                    CurlNative.Multi.AddHandle(_multiHandle, easy);
                }
                else if (action == HandleCompletedAction.ResetHandleAndNext)
                {
                    CurlNative.Multi.RemoveHandle(_multiHandle, easy);
                    CurlNative.Easy.Reset(easy);
                    _easyPool.UnassignContext(easy);
                    _easyPool.Free(easy);
                    Refill();
                }
            }
        }