Author: nextgens
Date: 2007-03-06 01:26:32 +0000 (Tue, 06 Mar 2007)
New Revision: 11990
Modified:
trunk/freenet/src/freenet/io/comm/UdpSocketManager.java
Log:
Add a minimum value for the "detectedMTU" and fix a typo.
Modified: trunk/freenet/src/freenet/io/comm/UdpSocketManager.java
===================================================================
--- trunk/freenet/src/freenet/io/comm/UdpSocketManager.java 2007-03-06
01:11:37 UTC (rev 11989)
+++ trunk/freenet/src/freenet/io/comm/UdpSocketManager.java 2007-03-06
01:26:32 UTC (rev 11990)
@@ -683,11 +683,16 @@
* @return The maximum packet size supported by this SocketManager.
*/
public int getMaxPacketSize() { //FIXME: what about passing a peerNode
though and doing it on a per-peer basis?
- final int minAdvertizedMTU = node.ipDetector.getMinimumDetectedMTU();
+ final int minAdvertisedMTU = node.ipDetector.getMinimumDetectedMTU();
final int maxAllowedMTU = 1400;
- final int overhead = 28;
+ final int overhead = 28;
- return (minAdvertizedMTU < maxAllowedMTU ? minAdvertizedMTU :
maxAllowedMTU) - overhead;
+ // We don't want the MTU detection thingy to prevent us to send
PacketTransmits!
+ if(minAdvertisedMTU < 1100){
+ Logger.error(this, "It shouldn't happen : we disabled the MTU
detection algorithm because the advertised MTU is smallish !!
("+node.ipDetector.getMinimumDetectedMTU()+')');
+ return maxAllowedMTU - overhead;
+ }else
+ return (minAdvertisedMTU < maxAllowedMTU ? minAdvertisedMTU :
maxAllowedMTU) - overhead;
// CompuServe use 1400 MTU; AOL claim 1450; DFN at home use 1448.
// http://info.aol.co.uk/broadband/faqHomeNetworking.adp
//
http://www.compuserve.de/cso/hilfe/linux/hilfekategorien/installation/contentview.jsp?conid=385700
