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wget/src/metalink.h

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Metalink support. * bootstrap.conf: Add crypto/sha256 * configure.ac: Look for libmetalink and GPGME * doc/wget.texi: Add --input-metalink and --metalink-over-http options description. * po/POTFILES.in: Add metalink.c * src/Makefile.am: Add new translation unit (metalink.c) * src/http.c (http_stat): Add metalink field. (free_stat): Free metalink field. (find_key_value): Find value of given key in header string. (has_key): Check if token exists in header string. (find_key_values): Find all key=value pairs in header string. (metalink_from_http): Obtain Metalink metadata from HTTP response. (gethttp): Call metalink_from_http if requested. (http_loop): Request Metalink metadata from HTTP response if should be. Fall back to regular download if no Metalink metadata found. * src/init.c: Add --input-metalink and --metalink-over-http options * src/main.c (option_data): Handle --input-metalink and --metalink-over-http cmd arguments. (print_help): Print --input-metalink option description. (main): Retrieve files from Metalink file * src/metalink.c (retrieve_from_metalink): Download files described by metalink. (metalink_res_cmp): Comparator for resources priority-sorting. * src/metalink.h: Create header for metalink.c (RES_TYPE_SUPPORTED): Define supported resources media. (DEFAULT_PRI): Default mirror priority for Metalink over HTTP. (VALID_PRI_RANGE): Valid priority range. * src/options.h (options): Add input_metalink option and metalink_over_http options. * src/utils.c (hex_to_string): Convert binary data to ASCII-hex. * src/utils.h (hex_to_string): Add prototype. * src/wget.h: Add metalink-related error enums Add METALINK_METADATA flag for document type.
2015-05-30 17:51:55 -04:00
/* Declarations for metalink.c.
Copyright (C) 2015 Free Software Foundation, Inc.
This file is part of GNU Wget.
GNU Wget is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
GNU Wget is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Wget. If not, see <http://www.gnu.org/licenses/>.
Additional permission under GNU GPL version 3 section 7
If you modify this program, or any covered work, by linking or
combining it with the OpenSSL project's OpenSSL library (or a
modified version of that library), containing parts covered by the
terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
grants you additional permission to convey the resulting work.
Corresponding Source for a non-source form of such a combination
shall include the source code for the parts of OpenSSL used as well
as that of the covered work. */
#if ! defined METALINK_H && defined HAVE_METALINK
#define METALINK_H
#include <metalink/metalink_types.h>
#include "wget.h"
#ifdef HAVE_SSL
# define RES_TYPE_SUPPORTED(x)\
((!x) || !strcmp (x, "ftp") || !strcmp (x, "http") || !strcmp (x, "https"))
#else
# define RES_TYPE_SUPPORTED(x)\
((!x) || !strcmp (x, "ftp") || !strcmp (x, "http"))
#endif
#define DEFAULT_PRI 999999
#define VALID_PRI_RANGE(x) ((x) > 0 && (x) < 1000000)
uerr_t retrieve_from_metalink (const metalink_t *metalink);
int metalink_res_cmp (const void *res1, const void *res2);
#endif /* METALINK_H */