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2004-12-14 jrandom

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* Reenable the probabalistic drop on the TCP queues to deal with good old
      fashioned bandwidth limiting.  However, by default the probability is
      rigged to reserve 0% of the queue free - meaning we just aggressively
      fail messages in the queue if we're transferring too slowly.  That
      reservation factor can be increased with 'tcp.queueFreeFactor=0.25'
      (or whatever) and the drop code can be disabled with the parameter
      'tcp.dropProbabalistically=false'.
    * Still penalize a peer on tunnel failure, but don't immediately drop
      their capacity to 0.
    * More aggressively ACK duplicates
    * Randomize the timestamper period
    * Display the clock skew on the connection logs when a peer sends it.
    * Allow the timestamper to fix skews of up to 10 minutes
    * Logging
This commit is contained in:
jrandom
2004-12-14 11:54:39 +00:00
committed by zzz
parent 9e16bc203a
commit b2f183fc17
11 changed files with 78 additions and 27 deletions
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3
apps/streaming/java/src/net/i2p/client/streaming/ConnectionManager.java
View File

@@ -366,7 +366,8 @@ public class ConnectionManager {
if (removed) {
if (_notifier != null)
_notifier.pingComplete(false);
_log.error("Ping failed");
if (_log.shouldLog(Log.INFO))
_log.info("Ping failed");
}
}
}

9
apps/streaming/java/src/net/i2p/client/streaming/ConnectionPacketHandler.java
View File

@@ -65,6 +65,8 @@ public class ConnectionPacketHandler {
if (packet.isFlagSet(Packet.FLAG_CLOSE) && packet.isFlagSet(Packet.FLAG_SIGNATURE_INCLUDED))
con.closeReceived();
boolean fastAck = false;
if (isNew) {
con.incrementUnackedPacketsReceived();
con.incrementBytesReceived(packet.getPayloadSize());
@@ -93,7 +95,8 @@ public class ConnectionPacketHandler {
_log.warn("congestion.. dup " + packet);
SimpleTimer.getInstance().addEvent(new AckDup(con), con.getOptions().getSendAckDelay());
//con.incrementUnackedPacketsReceived();
con.setNextSendTime(_context.clock().now() + con.getOptions().getSendAckDelay());
//con.setNextSendTime(_context.clock().now() + con.getOptions().getSendAckDelay());
fastAck = true;
} else {
if (packet.isFlagSet(Packet.FLAG_SYNCHRONIZE)) {
//con.incrementUnackedPacketsReceived();
@@ -105,10 +108,10 @@ public class ConnectionPacketHandler {
}
}
boolean fastAck = ack(con, packet.getAckThrough(), packet.getNacks(), packet, isNew);
fastAck = fastAck || ack(con, packet.getAckThrough(), packet.getNacks(), packet, isNew);
con.eventOccurred();
if (fastAck) {
if (con.getLastSendTime() + con.getOptions().getRTT() < _context.clock().now()) {
if (con.getLastSendTime() + 1000 < _context.clock().now()) {
if (_log.shouldLog(Log.DEBUG))
_log.debug("Fast ack for dup " + packet);
con.ackImmediately();