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Annotation of embedaddon/curl/lib/speedcheck.c, revision 1.1.1.1

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: }