maxconnects.c 2.0 KB

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  1. /***************************************************************************
  2. * _ _ ____ _
  3. * Project ___| | | | _ \| |
  4. * / __| | | | |_) | |
  5. * | (__| |_| | _ <| |___
  6. * \___|\___/|_| \_\_____|
  7. *
  8. * Copyright (C) James Fuller, <jim@webcomposite.com>, 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. /* <DESC>
  25. * Set maximum number of persistent connections to 1.
  26. * </DESC>
  27. */
  28. #include <stdio.h>
  29. #include <curl/curl.h>
  30. int main(void)
  31. {
  32. CURL *curl;
  33. CURLcode res;
  34. curl = curl_easy_init();
  35. if(curl) {
  36. const char *urls[] = { "https://example.com",
  37. "https://curl.se",
  38. "https://www.example/",
  39. NULL /* end of list */
  40. };
  41. int i = 0;
  42. /* Change the maximum number of persistent connection */
  43. curl_easy_setopt(curl, CURLOPT_MAXCONNECTS, 1L);
  44. curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
  45. /* loop over the URLs */
  46. while(urls[i]) {
  47. curl_easy_setopt(curl, CURLOPT_URL, urls[i]);
  48. /* Perform the request, res gets the return code */
  49. res = curl_easy_perform(curl);
  50. /* Check for errors */
  51. if(res != CURLE_OK)
  52. fprintf(stderr, "curl_easy_perform() failed: %s\n",
  53. curl_easy_strerror(res));
  54. i++;
  55. }
  56. /* always cleanup */
  57. curl_easy_cleanup(curl);
  58. }
  59. return 0;
  60. }