* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
+ * Copyright (C) 2007, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <stdio.h>
+G_BEGIN_DECLS
+
/* File content check */
typedef gboolean (*VikFileContentCheckerFunc) (FILE*);
gboolean a_check_map_file(FILE*);
gboolean a_check_html_file(FILE*);
gboolean a_check_kml_file(FILE*);
+// Convert
+void a_try_decompress_file (gchar *name);
+typedef void (*VikFileContentConvertFunc) (gchar*); // filename (temporary)
typedef struct {
/**
* Check if the server has a more recent file than the one we have before downloading it
* This uses http header If-Modified-Since
- * Nevertheless, the current file cache must be older than the specified
- * value.
*/
- time_t check_file_server_time;
+ gboolean check_file_server_time;
+
+ /**
+ * Set if the server handle ETag
+ */
+ gboolean use_etag;
/**
* The REFERER string to use.
*/
VikFileContentCheckerFunc check_file;
-} DownloadOptions;
+ /**
+ * If need to authenticate on download
+ * format: 'username:password'
+ */
+ gchar *user_pass;
+
+ /**
+ * File manipulation if necessary such as uncompressing the downloaded file.
+ */
+ VikFileContentConvertFunc convert_file;
+
+} DownloadMapOptions;
+
+typedef struct {
+ /**
+ * Time sent to server on header If-Modified-Since
+ */
+ time_t time_condition;
+ /**
+ * Etag sent by server on previous download
+ */
+ char *etag;
+ /**
+ * Etag sent by server on this download
+ */
+ char *new_etag;
+
+} DownloadFileOptions;
void a_download_init(void);
/* TODO: convert to Glib */
-int a_http_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadOptions *opt );
-int a_ftp_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadOptions *opt );
+int a_http_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadMapOptions *opt, void *handle );
+int a_ftp_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadMapOptions *opt, void *handle );
+void *a_download_handle_init ();
+void a_download_handle_cleanup ( void *handle );
+
+gchar *a_download_uri_to_tmp_file ( const gchar *uri, DownloadMapOptions *options );
/* Error messages returned by download functions */
enum { DOWNLOAD_NO_ERROR = 0,
DOWNLOAD_NO_NEWER_FILE,
DOWNLOAD_ERROR };
+G_END_DECLS
+
#endif