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* if we timeout connecting or otherwise need to cancel tags that we've sent, go one step

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further and cancel all of the tags we're using for that peer so that we can react to their
  potential restart / tag loss quicker.
* use the minimum resend delay as the base to be exponentiated if our RTT is too low
  (so we resend less)
* dont be such a wuss when flushing a closed stream
This commit is contained in:
jrandom
2004-11-18 19:42:11 +00:00
committed by zzz
parent 6bd9e58ece
commit 4a029b7853
2 changed files with 28 additions and 8 deletions
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27
apps/streaming/java/src/net/i2p/client/streaming/Connection.java
View File

@ -336,14 +336,19 @@ public class Connection {
_inputStream.close();
} else {
doClose();
boolean tagsCancelled = false;
synchronized (_outboundPackets) {
for (Iterator iter = _outboundPackets.values().iterator(); iter.hasNext(); ) {
PacketLocal pl = (PacketLocal)iter.next();
if ( (pl.getTagsSent() != null) && (pl.getTagsSent().size() > 0) )
tagsCancelled = true;
pl.cancelled();
}
_outboundPackets.clear();
_outboundPackets.notifyAll();
}
if (tagsCancelled)
_context.sessionKeyManager().failTags(_remotePeer.getPublicKey());
}
if (removeFromConMgr) {
if (!_disconnectScheduled) {
@ -380,14 +385,20 @@ public class Connection {
_connectionManager.removeConnection(this);
}
boolean tagsCancelled = false;
synchronized (_outboundPackets) {
for (Iterator iter = _outboundPackets.values().iterator(); iter.hasNext(); ) {
PacketLocal pl = (PacketLocal)iter.next();
if ( (pl.getTagsSent() != null) && (pl.getTagsSent().size() > 0) )
tagsCancelled = true;
pl.cancelled();
}
_outboundPackets.clear();
_outboundPackets.notifyAll();
}
if (tagsCancelled)
_context.sessionKeyManager().failTags(_remotePeer.getPublicKey());
}
private class DisconnectEvent implements SimpleTimer.TimedEvent {
@ -672,7 +683,13 @@ public class Connection {
}
public void timeReached() {
if (!_connected) return;
if (_packet.getAckTime() > 0)
return;
if (!_connected) {
_packet.cancelled();
return;
}
//if (_log.shouldLog(Log.DEBUG))
// _log.debug("Resend period reached for " + _packet);
@ -732,12 +749,14 @@ public class Connection {
if (numSends > _options.getMaxResends()) {
if (_log.shouldLog(Log.DEBUG))
_log.debug("Too many resends");
_packet.cancelled();
disconnect(false);
} else {
//long timeout = _options.getResendDelay() << numSends;
long timeout = _options.getRTT() << (numSends-1);
if (timeout < MIN_RESEND_DELAY)
timeout = MIN_RESEND_DELAY;
long rtt = _options.getRTT();
if (rtt < MIN_RESEND_DELAY)
rtt = MIN_RESEND_DELAY;
long timeout = rtt << (numSends-1);
if ( (timeout > MAX_RESEND_DELAY) || (timeout <= 0) )
timeout = MAX_RESEND_DELAY;
if (_log.shouldLog(Log.DEBUG))

5
apps/streaming/java/src/net/i2p/client/streaming/MessageOutputStream.java
View File

@ -197,13 +197,14 @@ public class MessageOutputStream extends OutputStream {
void flushAvailable(DataReceiver target, boolean blocking) throws IOException {
WriteStatus ws = null;
synchronized (_dataLock) {
if (_buf == null) throw new IOException("closed (buffer went away)");
// _buf may be null, but the data receiver can handle that just fine,
// deciding whether or not to send a packet
ws = target.writeData(_buf, 0, _valid);
_written += _valid;
_valid = 0;
_dataLock.notifyAll();
}
if (blocking) {
if (blocking && ws != null) {
ws.waitForAccept(_writeTimeout);
if (ws.writeFailed())
throw new IOException("Flush available failed");