SoupMessage *message = soup_message_new("GET", uri);
g_signal_connect(message, "got-chunk", G_CALLBACK(gis_wms_soup_chunk_cb), file);
soup_message_headers_set_range(message->request_headers, ftell(file), -1);
int status = soup_session_send_message(self->soup, message);
SoupMessage *message = soup_message_new("GET", uri);
g_signal_connect(message, "got-chunk", G_CALLBACK(gis_wms_soup_chunk_cb), file);
soup_message_headers_set_range(message->request_headers, ftell(file), -1);
int status = soup_session_send_message(self->soup, message);