1 #ifndef __TRANSFER_H
2 #define __TRANSFER_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) 1998 - 2008, 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  * $Id: transfer.h,v 1.32 2008-04-30 21:20:09 bagder Exp $
24  ***************************************************************************/
25 CURLcode Curl_perform(struct SessionHandle *data);
26 CURLcode Curl_pretransfer(struct SessionHandle *data);
27 CURLcode Curl_second_connect(struct connectdata *conn);
28 CURLcode Curl_posttransfer(struct SessionHandle *data);
29 
30 typedef enum {
31   FOLLOW_NONE,  /* not used within the function, just a placeholder to
32                    allow initing to this */
33   FOLLOW_FAKE,  /* only records stuff, not actually following */
34   FOLLOW_RETRY, /* set if this is a request retry as opposed to a real
35                           redirect following */
36   FOLLOW_REDIR, /* a full true redirect */
37   FOLLOW_LAST   /* never used */
38 } followtype;
39 
40 CURLcode Curl_follow(struct SessionHandle *data, char *newurl, followtype type);
41 
42 
43 CURLcode Curl_readwrite(struct connectdata *conn, bool *done);
44 int Curl_single_getsock(const struct connectdata *conn,
45                         curl_socket_t *socks,
46                         int numsocks);
47 CURLcode Curl_readrewind(struct connectdata *conn);
48 CURLcode Curl_fillreadbuffer(struct connectdata *conn, int bytes, int *nreadp);
49 bool Curl_retry_request(struct connectdata *conn, char **url);
50 
51 /* This sets up a forthcoming transfer */
52 CURLcode
53 Curl_setup_transfer (struct connectdata *data,
54                int sockindex,           /* socket index to read from or -1 */
55                curl_off_t size,         /* -1 if unknown at this point */
56                bool getheader,          /* TRUE if header parsing is wanted */
57                curl_off_t *bytecountp,  /* return number of bytes read */
58                int writesockindex,      /* socket index to write to, it may
59                                            very well be the same we read from.
60                                            -1 disables */
61                curl_off_t *writecountp /* return number of bytes written */
62 );
63 #endif
64