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Use a simple Random Early Drop algorithm in send_tcppacket().
[tinc]
/
src
/
protocol_misc.c
diff --git
a/src/protocol_misc.c
b/src/protocol_misc.c
index
b2f6ddc
..
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
/*
protocol_misc.c -- handle the meta-protocol, miscellaneous functions
- Copyright (C) 1999-2005 Ivo Timmermans
<ivo@tinc-vpn.org>
,
- 2000-200
5
Guus Sliepen <guus@tinc-vpn.org>
+ Copyright (C) 1999-2005 Ivo Timmermans,
+ 2000-200
6
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
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
@@
-155,15
+155,16
@@
bool send_tcppacket(connection_t *c, vpn_packet_t *packet)
{
cp();
{
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))
return false;
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)
}
bool tcppacket_h(connection_t *c)