1/*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 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.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 * SPDX-License-Identifier: curl 22 * 23 ***************************************************************************/ 24 25#include "curl_setup.h" 26 27#include <curl/curl.h> 28#include "urldata.h" 29#include "sendf.h" 30#include "multiif.h" 31#include "speedcheck.h" 32 33void Curl_speedinit(struct Curl_easy *data) 34{ 35 memset(&data->state.keeps_speed, 0, sizeof(struct curltime)); 36} 37 38/* 39 * @unittest: 1606 40 */ 41CURLcode Curl_speedcheck(struct Curl_easy *data, 42 struct curltime now) 43{ 44 if(data->req.keepon & KEEP_RECV_PAUSE) 45 /* A paused transfer is not qualified for speed checks */ 46 return CURLE_OK; 47 48 if((data->progress.current_speed >= 0) && data->set.low_speed_time) { 49 if(data->progress.current_speed < data->set.low_speed_limit) { 50 if(!data->state.keeps_speed.tv_sec) 51 /* under the limit at this very moment */ 52 data->state.keeps_speed = now; 53 else { 54 /* how long has it been under the limit */ 55 timediff_t howlong = Curl_timediff(now, data->state.keeps_speed); 56 57 if(howlong >= data->set.low_speed_time * 1000) { 58 /* too long */ 59 failf(data, 60 "Operation too slow. " 61 "Less than %ld bytes/sec transferred the last %ld seconds", 62 data->set.low_speed_limit, 63 data->set.low_speed_time); 64 return CURLE_OPERATION_TIMEDOUT; 65 } 66 } 67 } 68 else 69 /* faster right now */ 70 data->state.keeps_speed.tv_sec = 0; 71 } 72 73 if(data->set.low_speed_limit) 74 /* if low speed limit is enabled, set the expire timer to make this 75 connection's speed get checked again in a second */ 76 Curl_expire(data, 1000, EXPIRE_SPEEDCHECK); 77 78 return CURLE_OK; 79} 80