/*
protocol_misc.c -- handle the meta-protocol, miscellaneous functions
- Copyright (C) 1999-2004 Ivo Timmermans <ivo@tinc-vpn.org>,
- 2000-2004 Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 1999-2005 Ivo Timmermans,
+ 2000-2006 Guus Sliepen <guus@tinc-vpn.org>
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 "protocol.h"
#include "utils.h"
+int maxoutbufsize = 0;
+
/* Status and error notification routines */
bool send_status(connection_t *c, int statusno, const char *statusstring)
{
cp();
- /* Evil hack. */
+ /* If there already is a lot of data in the outbuf buffer, discard this packet.
+ We use a very simple Random Early Drop algorithm. */
+
+ if(2.0 * c->outbuflen / (double)maxoutbufsize - 1 > drand48())
+ return true;
if(!send_request(c, "%d %hd", PACKET, packet->len))
return false;
- return send_meta(c, packet->data, packet->len);
+ return send_meta(c, (char *)packet->data, packet->len);
}
bool tcppacket_h(connection_t *c)