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i2psnark: Increase DHT blacklist time (ticket #2275)

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Update time if already blacklisted
Prune blacklist if too big
This commit is contained in:
zzz
2019-06-16 14:59:55 +00:00
parent 1ddc651b11
commit a542b182ea
1 changed files with 16 additions and 5 deletions
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15
apps/i2psnark/java/src/org/klomp/snark/dht/KRPC.java
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@ -156,7 +156,8 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
/** stagger with other cleaners */
private static final long CLEAN_TIME = 63*1000;
private static final long EXPLORE_TIME = 877*1000;
private static final long BLACKLIST_CLEAN_TIME = 17*60*1000;
private static final long BLACKLIST_CLEAN_TIME = 67*60*1000;
private static final int BLACKLIST_MAX_PEERS = 500;
private static final long NODES_SAVE_TIME = 3*60*60*1000;
public static final String DHT_FILE_SUFFIX = ".dht.dat";
@ -1232,10 +1233,12 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
if (_log.shouldLog(Log.INFO))
_log.info("Removed after consecutive timeouts: " + nInfo);
}
if (!_blacklist.contains(nid)) {
// remove and add back with new date, may not be same object
// used as when-added time
nid.setLastSeen();
boolean already = _blacklist.remove(nid);
_blacklist.add(nid);
if (!already) {
if (_log.shouldLog(Log.INFO))
_log.info("Blacklisted: " + nid);
}
@ -1686,6 +1689,14 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
if (nid.lastSeen() < expire)
iter.remove();
}
int sz = _blacklist.size();
if (sz > BLACKLIST_MAX_PEERS) {
// just remove random peers
for (Iterator<NID> iter = _blacklist.iterator(); iter.hasNext() && sz > BLACKLIST_MAX_PEERS; sz--) {
iter.next();
iter.remove();
}
}
if (now - _nodesLastSaved > NODES_SAVE_TIME) {
PersistDHT.saveDHT(_knownNodes, false, _dhtFile);
_nodesLastSaved = now;