[164] | 1 | /***************************************************************************
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| 2 | * _ _ ____ _
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| 3 | * Project ___| | | | _ \| |
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| 4 | * / __| | | | |_) | |
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| 5 | * | (__| |_| | _ <| |___
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| 6 | * \___|\___/|_| \_\_____|
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| 7 | *
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| 8 | * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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| 9 | *
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| 10 | * This software is licensed as described in the file COPYING, which
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| 11 | * you should have received as part of this distribution. The terms
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| 12 | * are also available at https://curl.haxx.se/docs/copyright.html.
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| 13 | *
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| 14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 15 | * copies of the Software, and permit persons to whom the Software is
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| 16 | * furnished to do so, under the terms of the COPYING file.
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| 17 | *
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| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 19 | * KIND, either express or implied.
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| 20 | *
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| 21 | ***************************************************************************/
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| 22 |
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| 23 | #include "curl_setup.h"
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| 24 |
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| 25 | #include <curl/curl.h>
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| 26 | #include "urldata.h"
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| 27 | #include "sendf.h"
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| 28 | #include "multiif.h"
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| 29 | #include "speedcheck.h"
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| 30 |
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| 31 | void Curl_speedinit(struct SessionHandle *data)
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| 32 | {
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| 33 | memset(&data->state.keeps_speed, 0, sizeof(struct timeval));
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| 34 | }
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| 35 |
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| 36 | CURLcode Curl_speedcheck(struct SessionHandle *data,
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| 37 | struct timeval now)
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| 38 | {
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| 39 | if((data->progress.current_speed >= 0) &&
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| 40 | data->set.low_speed_time &&
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| 41 | (Curl_tvlong(data->state.keeps_speed) != 0) &&
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| 42 | (data->progress.current_speed < data->set.low_speed_limit)) {
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| 43 | long howlong = Curl_tvdiff(now, data->state.keeps_speed);
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| 44 | long nextcheck = (data->set.low_speed_time * 1000) - howlong;
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| 45 |
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| 46 | /* We are now below the "low speed limit". If we are below it
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| 47 | for "low speed time" seconds we consider that enough reason
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| 48 | to abort the download. */
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| 49 | if(nextcheck <= 0) {
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| 50 | /* we have been this slow for long enough, now die */
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| 51 | failf(data,
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| 52 | "Operation too slow. "
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| 53 | "Less than %ld bytes/sec transferred the last %ld seconds",
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| 54 | data->set.low_speed_limit,
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| 55 | data->set.low_speed_time);
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| 56 | return CURLE_OPERATION_TIMEDOUT;
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| 57 | }
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| 58 | else {
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| 59 | /* wait complete low_speed_time */
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| 60 | Curl_expire_latest(data, nextcheck);
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| 61 | }
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| 62 | }
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| 63 | else {
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| 64 | /* we keep up the required speed all right */
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| 65 | data->state.keeps_speed = now;
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| 66 |
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| 67 | if(data->set.low_speed_limit)
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| 68 | /* if there is a low speed limit enabled, we set the expire timer to
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| 69 | make this connection's speed get checked again no later than when
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| 70 | this time is up */
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| 71 | Curl_expire_latest(data, data->set.low_speed_time*1000);
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| 72 | }
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| 73 | return CURLE_OK;
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| 74 | }
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