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speedcheck.c 2.6 KB

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  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. #include "curl_setup.h"
  25. #include <curl/curl.h>
  26. #include "urldata.h"
  27. #include "sendf.h"
  28. #include "multiif.h"
  29. #include "speedcheck.h"
  30. void Curl_speedinit(struct Curl_easy *data)
  31. {
  32. memset(&data->state.keeps_speed, 0, sizeof(struct curltime));
  33. }
  34. /*
  35. * @unittest: 1606
  36. */
  37. CURLcode Curl_speedcheck(struct Curl_easy *data,
  38. struct curltime now)
  39. {
  40. if(data->req.keepon & KEEP_RECV_PAUSE)
  41. /* A paused transfer is not qualified for speed checks */
  42. return CURLE_OK;
  43. if((data->progress.current_speed >= 0) && data->set.low_speed_time) {
  44. if(data->progress.current_speed < data->set.low_speed_limit) {
  45. if(!data->state.keeps_speed.tv_sec)
  46. /* under the limit at this very moment */
  47. data->state.keeps_speed = now;
  48. else {
  49. /* how long has it been under the limit */
  50. timediff_t howlong = Curl_timediff(now, data->state.keeps_speed);
  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. if(data->set.low_speed_limit)
  67. /* if low speed limit is enabled, set the expire timer to make this
  68. connection's speed get checked again in a second */
  69. Curl_expire(data, 1000, EXPIRE_SPEEDCHECK);
  70. return CURLE_OK;
  71. }