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85611cd9 GB |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifndef _VIKING_DOWNLOAD_H | |
23 | #define _VIKING_DOWNLOAD_H | |
80214df2 | 24 | |
1ac37c09 GB |
25 | #include <stdio.h> |
26 | ||
27 | /* File content check */ | |
28 | typedef gboolean (*VikFileContentCheckerFunc) (FILE*); | |
29 | gboolean a_check_map_file(FILE*); | |
30 | gboolean a_check_html_file(FILE*); | |
ae941b4c | 31 | gboolean a_check_kml_file(FILE*); |
1ac37c09 | 32 | |
80214df2 | 33 | typedef struct { |
6a4a29aa JJ |
34 | /** |
35 | * Check if the server has a more recent file than the one we have before downloading it | |
36 | * This uses http header If-Modified-Since | |
ae40c2dc GB |
37 | * Nevertheless, the current file cache must be older than the specified |
38 | * value. | |
6a4a29aa | 39 | */ |
ae40c2dc | 40 | time_t check_file_server_time; |
6a4a29aa | 41 | |
a3188993 GB |
42 | /** |
43 | * The REFERER string to use. | |
44 | * Could be NULL. | |
45 | */ | |
46 | gchar *referer; | |
1a8143e6 BZ |
47 | |
48 | /** | |
49 | * follow_location specifies the number of retries | |
50 | * to follow a redirect while downloading a page. | |
51 | */ | |
52 | glong follow_location; | |
1ac37c09 GB |
53 | |
54 | /** | |
55 | * File content checker. | |
56 | */ | |
57 | VikFileContentCheckerFunc check_file; | |
6a4a29aa | 58 | |
80214df2 GB |
59 | } DownloadOptions; |
60 | ||
4b992365 GB |
61 | void a_download_init(void); |
62 | ||
85611cd9 | 63 | /* TODO: convert to Glib */ |
825413ba SW |
64 | int a_http_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadOptions *opt, void *handle ); |
65 | int a_ftp_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadOptions *opt, void *handle ); | |
66 | void *a_download_handle_init (); | |
67 | void a_download_handle_cleanup ( void *handle ); | |
85611cd9 | 68 | |
6a4a29aa JJ |
69 | /* Error messages returned by download functions */ |
70 | enum { DOWNLOAD_NO_ERROR = 0, | |
71 | DOWNLOAD_NO_NEWER_FILE, | |
72 | DOWNLOAD_ERROR }; | |
73 | ||
85611cd9 | 74 | #endif |