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- /***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
- #include "curl_setup.h"
- #include <curl/curl.h>
- #include "urldata.h"
- #include "sendf.h"
- #include "multiif.h"
- #include "speedcheck.h"
- void Curl_speedinit(struct SessionHandle *data)
- {
- memset(&data->state.keeps_speed, 0, sizeof(struct timeval));
- }
- CURLcode Curl_speedcheck(struct SessionHandle *data,
- struct timeval now)
- {
- if((data->progress.current_speed >= 0) &&
- data->set.low_speed_time &&
- (Curl_tvlong(data->state.keeps_speed) != 0) &&
- (data->progress.current_speed < data->set.low_speed_limit)) {
- long howlong = Curl_tvdiff(now, data->state.keeps_speed);
- long nextcheck = (data->set.low_speed_time * 1000) - howlong;
- /* We are now below the "low speed limit". If we are below it
- for "low speed time" seconds we consider that enough reason
- to abort the download. */
- if(nextcheck <= 0) {
- /* we have been this slow for long enough, now die */
- failf(data,
- "Operation too slow. "
- "Less than %ld bytes/sec transferred the last %ld seconds",
- data->set.low_speed_limit,
- data->set.low_speed_time);
- return CURLE_OPERATION_TIMEDOUT;
- }
- else {
- /* wait complete low_speed_time */
- Curl_expire(data, nextcheck);
- }
- }
- else {
- /* we keep up the required speed all right */
- data->state.keeps_speed = now;
- if(data->set.low_speed_limit)
- /* if there is a low speed limit enabled, we set the expire timer to
- make this connection's speed get checked again no later than when
- this time is up */
- Curl_expire(data, data->set.low_speed_time*1000);
- }
- return CURLE_OK;
- }
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