1/* Declarations for retr.c.
2   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3   2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
4   Inc.
5
6This file is part of GNU Wget.
7
8GNU Wget is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 3 of the License, or
11(at your option) any later version.
12
13GNU Wget is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with Wget.  If not, see <http://www.gnu.org/licenses/>.
20
21Additional permission under GNU GPL version 3 section 7
22
23If you modify this program, or any covered work, by linking or
24combining it with the OpenSSL project's OpenSSL library (or a
25modified version of that library), containing parts covered by the
26terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
27grants you additional permission to convey the resulting work.
28Corresponding Source for a non-source form of such a combination
29shall include the source code for the parts of OpenSSL used as well
30as that of the covered work.  */
31
32#ifndef RETR_H
33#define RETR_H
34
35#include "url.h"
36
37/* These global vars should be made static to retr.c and exported via
38   functions! */
39extern SUM_SIZE_INT total_downloaded_bytes;
40extern double total_download_time;
41extern FILE *output_stream;
42extern bool output_stream_regular;
43
44/* Flags for fd_read_body. */
45enum {
46  rb_read_exactly  = 1,
47  rb_skip_startpos = 2,
48
49  /* Used by HTTP/HTTPS*/
50  rb_chunked_transfer_encoding = 4
51};
52
53int fd_read_body (const char *, int, FILE *, wgint, wgint, wgint *, wgint *, double *, int, FILE *);
54
55typedef const char *(*hunk_terminator_t) (const char *, const char *, int);
56
57char *fd_read_hunk (int, hunk_terminator_t, long, long);
58char *fd_read_line (int);
59
60uerr_t retrieve_url (struct url *, const char *, char **, char **,
61                     const char *, int *, bool, struct iri *, bool);
62uerr_t retrieve_from_file (const char *, bool, int *);
63
64const char *retr_rate (wgint, double);
65double calc_rate (wgint, double, int *);
66void printwhat (int, int);
67
68void sleep_between_retrievals (int);
69
70void rotate_backups (const char *);
71
72bool url_uses_proxy (struct url *);
73
74void set_local_file (const char **, const char *);
75
76bool input_file_url (const char *);
77
78#endif /* RETR_H */
79