* 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
/**
* 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;
+} 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, void *handle );
-int a_ftp_download_get_url ( const char *hostname, const char *uri, const char *fn, DownloadOptions *opt, void *handle );
+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 );