2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
5 * Copyright (C) 2007, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef _VIKING_DOWNLOAD_H
24 #define _VIKING_DOWNLOAD_H
28 /* File content check */
29 typedef gboolean (*VikFileContentCheckerFunc) (FILE*);
30 gboolean a_check_map_file(FILE*);
31 gboolean a_check_html_file(FILE*);
32 gboolean a_check_kml_file(FILE*);
36 * Check if the server has a more recent file than the one we have before downloading it
37 * This uses http header If-Modified-Since
39 gboolean check_file_server_time;
42 * Set if the server handle ETag
47 * The REFERER string to use.
53 * follow_location specifies the number of retries
54 * to follow a redirect while downloading a page.
56 glong follow_location;
59 * File content checker.
61 VikFileContentCheckerFunc check_file;
67 * Time sent to server on header If-Modified-Since
69 time_t time_condition;
71 * Etag sent by server on previous download
75 * Etag sent by server on this download
79 } DownloadFileOptions;
81 void a_download_init(void);
83 /* TODO: convert to Glib */
84 int a_http_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadMapOptions *opt, void *handle );
85 int a_ftp_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadMapOptions *opt, void *handle );
86 void *a_download_handle_init ();
87 void a_download_handle_cleanup ( void *handle );
89 /* Error messages returned by download functions */
90 enum { DOWNLOAD_NO_ERROR = 0,
91 DOWNLOAD_NO_NEWER_FILE,