1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2010, 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 http://curl.haxx.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 ***************************************************************************/
28 #include <curl/curl.h>
32 #include "speedcheck.h"
34 void Curl_speedinit(struct SessionHandle *data)
36 memset(&data->state.keeps_speed, 0, sizeof(struct timeval));
39 CURLcode Curl_speedcheck(struct SessionHandle *data,
42 if((data->progress.current_speed >= 0) &&
43 data->set.low_speed_time &&
44 (Curl_tvlong(data->state.keeps_speed) != 0) &&
45 (data->progress.current_speed < data->set.low_speed_limit)) {
46 long howlong = Curl_tvdiff(now, data->state.keeps_speed);
48 /* We are now below the "low speed limit". If we are below it
49 for "low speed time" seconds we consider that enough reason
50 to abort the download. */
52 if( (howlong/1000) > data->set.low_speed_time) {
53 /* we have been this slow for long enough, now die */
55 "Operation too slow. "
56 "Less than %ld bytes/sec transfered the last %ld seconds",
57 data->set.low_speed_limit,
58 data->set.low_speed_time);
59 return CURLE_OPERATION_TIMEDOUT;
61 Curl_expire(data, howlong);
64 /* we keep up the required speed all right */
65 data->state.keeps_speed = now;
67 if(data->set.low_speed_limit)
68 /* if there is a low speed limit enabled, we set the expire timer to
69 make this connection's speed get checked again no later than when
71 Curl_expire(data, data->set.low_speed_time*1000);