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Annotation of embedaddon/curl/lib/speedcheck.c, revision 1.1

1.1     ! misho       1: /***************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
        !             9:  *
        !            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.haxx.se/docs/copyright.html.
        !            13:  *
        !            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.
        !            17:  *
        !            18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
        !            19:  * KIND, either express or implied.
        !            20:  *
        !            21:  ***************************************************************************/
        !            22: 
        !            23: #include "curl_setup.h"
        !            24: 
        !            25: #include <curl/curl.h>
        !            26: #include "urldata.h"
        !            27: #include "sendf.h"
        !            28: #include "multiif.h"
        !            29: #include "speedcheck.h"
        !            30: 
        !            31: void Curl_speedinit(struct Curl_easy *data)
        !            32: {
        !            33:   memset(&data->state.keeps_speed, 0, sizeof(struct curltime));
        !            34: }
        !            35: 
        !            36: /*
        !            37:  * @unittest: 1606
        !            38:  */
        !            39: CURLcode Curl_speedcheck(struct Curl_easy *data,
        !            40:                          struct curltime now)
        !            41: {
        !            42:   if((data->progress.current_speed >= 0) && data->set.low_speed_time) {
        !            43:     if(data->progress.current_speed < data->set.low_speed_limit) {
        !            44:       if(!data->state.keeps_speed.tv_sec)
        !            45:         /* under the limit at this very moment */
        !            46:         data->state.keeps_speed = now;
        !            47:       else {
        !            48:         /* how long has it been under the limit */
        !            49:         timediff_t howlong = Curl_timediff(now, data->state.keeps_speed);
        !            50: 
        !            51:         if(howlong >= data->set.low_speed_time * 1000) {
        !            52:           /* too long */
        !            53:           failf(data,
        !            54:                 "Operation too slow. "
        !            55:                 "Less than %ld bytes/sec transferred the last %ld seconds",
        !            56:                 data->set.low_speed_limit,
        !            57:                 data->set.low_speed_time);
        !            58:           return CURLE_OPERATION_TIMEDOUT;
        !            59:         }
        !            60:       }
        !            61:     }
        !            62:     else
        !            63:       /* faster right now */
        !            64:       data->state.keeps_speed.tv_sec = 0;
        !            65:   }
        !            66: 
        !            67:   if(data->set.low_speed_limit)
        !            68:     /* if low speed limit is enabled, set the expire timer to make this
        !            69:        connection's speed get checked again in a second */
        !            70:     Curl_expire(data, 1000, EXPIRE_SPEEDCHECK);
        !            71: 
        !            72:   return CURLE_OK;
        !            73: }