mirror of
https://github.com/curl/curl.git
synced 2024-12-21 06:50:10 +08:00
8dd81bd5db
Add method in protocol handlers to allow writing of a single, 0-terminated header line. Avoids parsing and copying these lines. Closes #13165
116 lines
4.7 KiB
C
116 lines
4.7 KiB
C
#ifndef HEADER_CURL_TRANSFER_H
|
|
#define HEADER_CURL_TRANSFER_H
|
|
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at https://curl.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
* SPDX-License-Identifier: curl
|
|
*
|
|
***************************************************************************/
|
|
|
|
#define Curl_headersep(x) ((((x)==':') || ((x)==';')))
|
|
char *Curl_checkheaders(const struct Curl_easy *data,
|
|
const char *thisheader,
|
|
const size_t thislen);
|
|
|
|
void Curl_init_CONNECT(struct Curl_easy *data);
|
|
|
|
CURLcode Curl_pretransfer(struct Curl_easy *data);
|
|
CURLcode Curl_posttransfer(struct Curl_easy *data);
|
|
|
|
typedef enum {
|
|
FOLLOW_NONE, /* not used within the function, just a placeholder to
|
|
allow initing to this */
|
|
FOLLOW_FAKE, /* only records stuff, not actually following */
|
|
FOLLOW_RETRY, /* set if this is a request retry as opposed to a real
|
|
redirect following */
|
|
FOLLOW_REDIR /* a full true redirect */
|
|
} followtype;
|
|
|
|
CURLcode Curl_follow(struct Curl_easy *data, char *newurl,
|
|
followtype type);
|
|
CURLcode Curl_readwrite(struct Curl_easy *data);
|
|
int Curl_single_getsock(struct Curl_easy *data,
|
|
struct connectdata *conn, curl_socket_t *socks);
|
|
CURLcode Curl_retry_request(struct Curl_easy *data, char **url);
|
|
bool Curl_meets_timecondition(struct Curl_easy *data, time_t timeofdoc);
|
|
|
|
/**
|
|
* Write the transfer raw response bytes, as received from the connection.
|
|
* Will handle all passed bytes or return an error. By default, this will
|
|
* write the bytes as BODY to the client. Protocols may provide a
|
|
* "write_resp" callback in their handler to add specific treatment. E.g.
|
|
* HTTP parses response headers and passes them differently to the client.
|
|
* @param data the transfer
|
|
* @param buf the raw response bytes
|
|
* @param blen the amount of bytes in `buf`
|
|
* @param is_eos TRUE iff the connection indicates this to be the last
|
|
* bytes of the response
|
|
*/
|
|
CURLcode Curl_xfer_write_resp(struct Curl_easy *data,
|
|
const char *buf, size_t blen,
|
|
bool is_eos);
|
|
|
|
/**
|
|
* Write a single "header" line from a server response.
|
|
* @param hd0 the 0-terminated, single header line
|
|
* @param hdlen the length of the header line
|
|
* @param is_eos TRUE iff this is the end of the response
|
|
*/
|
|
CURLcode Curl_xfer_write_resp_hd(struct Curl_easy *data,
|
|
const char *hd0, size_t hdlen, bool is_eos);
|
|
|
|
/* This sets up a forthcoming transfer */
|
|
void Curl_xfer_setup(struct Curl_easy *data,
|
|
int sockindex, /* socket index to read from or -1 */
|
|
curl_off_t size, /* -1 if unknown at this point */
|
|
bool getheader, /* TRUE if header parsing is wanted */
|
|
int writesockindex /* socket index to write to. May be
|
|
the same we read from. -1
|
|
disables */
|
|
);
|
|
|
|
/**
|
|
* Multi has set transfer to DONE. Last chance to trigger
|
|
* missing response things like writing an EOS to the client.
|
|
*/
|
|
CURLcode Curl_xfer_write_done(struct Curl_easy *data, bool premature);
|
|
|
|
/**
|
|
* Send data on the socket/connection filter designated
|
|
* for transfer's outgoing data.
|
|
* Will return CURLE_OK on blocking with (*pnwritten == 0).
|
|
*/
|
|
CURLcode Curl_xfer_send(struct Curl_easy *data,
|
|
const void *buf, size_t blen,
|
|
size_t *pnwritten);
|
|
|
|
/**
|
|
* Receive data on the socket/connection filter designated
|
|
* for transfer's incoming data.
|
|
* Will return CURLE_AGAIN on blocking with (*pnrcvd == 0).
|
|
*/
|
|
CURLcode Curl_xfer_recv(struct Curl_easy *data,
|
|
char *buf, size_t blen,
|
|
ssize_t *pnrcvd);
|
|
|
|
CURLcode Curl_xfer_send_close(struct Curl_easy *data);
|
|
|
|
#endif /* HEADER_CURL_TRANSFER_H */
|