Don't stat() on iPhone/iPod.

[tinc] / src / protocol_misc.c

diff --git a/src/protocol_misc.c b/src/protocol_misc.c
index 0b893a6..8f56aee 100644 (file)
--- a/src/protocol_misc.c
+++ b/src/protocol_misc.c
@@ -1,7 +1,7 @@
 /*
     protocol_misc.c -- handle the meta-protocol, miscellaneous functions
-    Copyright (C) 1999-2005 Ivo Timmermans <ivo@tinc-vpn.org>,
-                  2000-2005 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
@@ -155,9 +155,10 @@ bool send_tcppacket(connection_t *c, vpn_packet_t *packet)
 {
        cp();
 
-       /* If there already is a lot of data in the outbuf buffer, discard this packet. */
+       /* 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(c->outbuflen > maxoutbufsize)
+       if(2.0 * c->outbuflen / (double)maxoutbufsize - 1 > drand48())
                return true;
 
        if(!send_request(c, "%d %hd", PACKET, packet->len))