transfer.h 3.8 KB

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  1. #ifndef HEADER_CURL_TRANSFER_H
  2. #define HEADER_CURL_TRANSFER_H
  3. /***************************************************************************
  4. * _ _ ____ _
  5. * Project ___| | | | _ \| |
  6. * / __| | | | |_) | |
  7. * | (__| |_| | _ <| |___
  8. * \___|\___/|_| \_\_____|
  9. *
  10. * Copyright (C) Daniel Stenberg, <[email protected]>, et al.
  11. *
  12. * This software is licensed as described in the file COPYING, which
  13. * you should have received as part of this distribution. The terms
  14. * are also available at https://curl.se/docs/copyright.html.
  15. *
  16. * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  17. * copies of the Software, and permit persons to whom the Software is
  18. * furnished to do so, under the terms of the COPYING file.
  19. *
  20. * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21. * KIND, either express or implied.
  22. *
  23. * SPDX-License-Identifier: curl
  24. *
  25. ***************************************************************************/
  26. #define Curl_headersep(x) ((((x)==':') || ((x)==';')))
  27. char *Curl_checkheaders(const struct Curl_easy *data,
  28. const char *thisheader,
  29. const size_t thislen);
  30. void Curl_init_CONNECT(struct Curl_easy *data);
  31. CURLcode Curl_pretransfer(struct Curl_easy *data);
  32. CURLcode Curl_posttransfer(struct Curl_easy *data);
  33. typedef enum {
  34. FOLLOW_NONE, /* not used within the function, just a placeholder to
  35. allow initing to this */
  36. FOLLOW_FAKE, /* only records stuff, not actually following */
  37. FOLLOW_RETRY, /* set if this is a request retry as opposed to a real
  38. redirect following */
  39. FOLLOW_REDIR /* a full true redirect */
  40. } followtype;
  41. CURLcode Curl_follow(struct Curl_easy *data, char *newurl,
  42. followtype type);
  43. CURLcode Curl_readwrite(struct Curl_easy *data, bool *done);
  44. int Curl_single_getsock(struct Curl_easy *data,
  45. struct connectdata *conn, curl_socket_t *socks);
  46. CURLcode Curl_fillreadbuffer(struct Curl_easy *data, size_t bytes,
  47. size_t *nreadp);
  48. CURLcode Curl_retry_request(struct Curl_easy *data, char **url);
  49. bool Curl_meets_timecondition(struct Curl_easy *data, time_t timeofdoc);
  50. CURLcode Curl_get_upload_buffer(struct Curl_easy *data);
  51. CURLcode Curl_done_sending(struct Curl_easy *data,
  52. struct SingleRequest *k);
  53. /**
  54. * Write the transfer raw response bytes, as received from the connection.
  55. * Will handle all passed bytes or return an error. By default, this will
  56. * write the bytes as BODY to the client. Protocols may provide a
  57. * "write_resp" callback in their handler to add specific treatment. E.g.
  58. * HTTP parses response headers and passes them differently to the client.
  59. * @param data the transfer
  60. * @param buf the raw response bytes
  61. * @param blen the amount of bytes in `buf`
  62. * @param is_eos TRUE iff the connection indicates this to be the last
  63. * bytes of the response
  64. * @param done on returnm, TRUE iff the response is complete
  65. */
  66. CURLcode Curl_xfer_write_resp(struct Curl_easy *data,
  67. char *buf, size_t blen,
  68. bool is_eos, bool *done);
  69. /* This sets up a forthcoming transfer */
  70. void
  71. Curl_setup_transfer (struct Curl_easy *data,
  72. int sockindex, /* socket index to read from or -1 */
  73. curl_off_t size, /* -1 if unknown at this point */
  74. bool getheader, /* TRUE if header parsing is wanted */
  75. int writesockindex /* socket index to write to. May be
  76. the same we read from. -1
  77. disables */
  78. );
  79. #endif /* HEADER_CURL_TRANSFER_H */