1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 * SPDX-License-Identifier: curl
23 ***************************************************************************/
25 #include "curl_setup.h"
27 #include <curl/curl.h>
31 #include "speedcheck.h"
33 void Curl_speedinit(struct Curl_easy *data)
35 memset(&data->state.keeps_speed, 0, sizeof(struct curltime));
41 CURLcode Curl_speedcheck(struct Curl_easy *data,
44 if(data->req.keepon & KEEP_RECV_PAUSE)
45 /* A paused transfer is not qualified for speed checks */
48 if((data->progress.current_speed >= 0) && data->set.low_speed_time) {
49 if(data->progress.current_speed < data->set.low_speed_limit) {
50 if(!data->state.keeps_speed.tv_sec)
51 /* under the limit at this very moment */
52 data->state.keeps_speed = now;
54 /* how long has it been under the limit */
55 timediff_t howlong = Curl_timediff(now, data->state.keeps_speed);
57 if(howlong >= data->set.low_speed_time * 1000) {
60 "Operation too slow. "
61 "Less than %ld bytes/sec transferred the last %ld seconds",
62 data->set.low_speed_limit,
63 data->set.low_speed_time);
64 return CURLE_OPERATION_TIMEDOUT;
69 /* faster right now */
70 data->state.keeps_speed.tv_sec = 0;
73 if(data->set.low_speed_limit)
74 /* if low speed limit is enabled, set the expire timer to make this
75 connection's speed get checked again in a second */
76 Curl_expire(data, 1000, EXPIRE_SPEEDCHECK);