#ifndef _VIKING_DOWNLOAD_H
#define _VIKING_DOWNLOAD_H
+#include <stdio.h>
+
+/* 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*);
+
typedef struct {
- int sendhostname;
+ /**
+ * Check if the server has a more recent file than the one we have before downloading it
+ * This uses http header If-Modified-Since
+ */
+ gboolean check_file_server_time;
+
+ /**
+ * The REFERER string to use.
+ * Could be NULL.
+ */
+ gchar *referer;
+
+ /**
+ * follow_location specifies the number of retries
+ * to follow a redirect while downloading a page.
+ */
+ glong follow_location;
+
+ /**
+ * File content checker.
+ */
+ VikFileContentCheckerFunc check_file;
+
} DownloadOptions;
+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_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 );
+void *a_download_handle_init ();
+void a_download_handle_cleanup ( void *handle );
+
+/* Error messages returned by download functions */
+enum { DOWNLOAD_NO_ERROR = 0,
+ DOWNLOAD_NO_NEWER_FILE,
+ DOWNLOAD_ERROR };
#endif