1#ifndef __TRANSFER_H
2#define __TRANSFER_H
3/***************************************************************************
4 *                                  _   _ ____  _
5 *  Project                     ___| | | |  _ \| |
6 *                             / __| | | | |_) | |
7 *                            | (__| |_| |  _ <| |___
8 *                             \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, 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 http://curl.haxx.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 ***************************************************************************/
24CURLcode Curl_perform(struct SessionHandle *data);
25CURLcode Curl_pretransfer(struct SessionHandle *data);
26CURLcode Curl_second_connect(struct connectdata *conn);
27CURLcode Curl_posttransfer(struct SessionHandle *data);
28
29typedef enum {
30  FOLLOW_NONE,  /* not used within the function, just a placeholder to
31                   allow initing to this */
32  FOLLOW_FAKE,  /* only records stuff, not actually following */
33  FOLLOW_RETRY, /* set if this is a request retry as opposed to a real
34                          redirect following */
35  FOLLOW_REDIR, /* a full true redirect */
36  FOLLOW_LAST   /* never used */
37} followtype;
38
39CURLcode Curl_follow(struct SessionHandle *data, char *newurl,
40                     followtype type);
41
42
43CURLcode Curl_readwrite(struct connectdata *conn, bool *done);
44int Curl_single_getsock(const struct connectdata *conn,
45                        curl_socket_t *socks,
46                        int numsocks);
47CURLcode Curl_readrewind(struct connectdata *conn);
48CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp);
49CURLcode Curl_reconnect_request(struct connectdata **connp);
50CURLcode Curl_retry_request(struct connectdata *conn, char **url);
51bool Curl_meets_timecondition(struct SessionHandle *data, time_t timeofdoc);
52
53/* This sets up a forthcoming transfer */
54void
55Curl_setup_transfer (struct connectdata *data,
56               int sockindex,           /* socket index to read from or -1 */
57               curl_off_t size,         /* -1 if unknown at this point */
58               bool getheader,          /* TRUE if header parsing is wanted */
59               curl_off_t *bytecountp,  /* return number of bytes read */
60               int writesockindex,      /* socket index to write to, it may
61                                           very well be the same we read from.
62                                           -1 disables */
63               curl_off_t *writecountp /* return number of bytes written */
64);
65
66long Curl_sleep_time(curl_off_t rate_bps, curl_off_t cur_rate_bps,
67                     int pkt_size);
68
69#endif
70