75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curl_setup.h"
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#include <curl/curl.h>
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#include "urldata.h"
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#include "sendf.h"
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#include "multiif.h"
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#include "speedcheck.h"
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void Curl_speedinit(struct SessionHandle *data)
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{
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memset(&data->state.keeps_speed, 0, sizeof(struct timeval));
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}
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CURLcode Curl_speedcheck(struct SessionHandle *data,
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struct timeval now)
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{
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if((data->progress.current_speed >= 0) &&
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data->set.low_speed_time &&
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(Curl_tvlong(data->state.keeps_speed) != 0) &&
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(data->progress.current_speed < data->set.low_speed_limit)) {
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long howlong = Curl_tvdiff(now, data->state.keeps_speed);
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long nextcheck = (data->set.low_speed_time * 1000) - howlong;
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/* We are now below the "low speed limit". If we are below it
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for "low speed time" seconds we consider that enough reason
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to abort the download. */
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if(nextcheck <= 0) {
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/* we have been this slow for long enough, now die */
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failf(data,
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"Operation too slow. "
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"Less than %ld bytes/sec transferred the last %ld seconds",
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data->set.low_speed_limit,
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data->set.low_speed_time);
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return CURLE_OPERATION_TIMEDOUT;
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}
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else {
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/* wait complete low_speed_time */
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Curl_expire_latest(data, nextcheck);
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}
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}
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else {
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/* we keep up the required speed all right */
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data->state.keeps_speed = now;
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if(data->set.low_speed_limit)
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/* if there is a low speed limit enabled, we set the expire timer to
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make this connection's speed get checked again no later than when
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this time is up */
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Curl_expire_latest(data, data->set.low_speed_time*1000);
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}
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return CURLE_OK;
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}
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