/*
* Mojito Distributed Hash Table (Mojito DHT)
* Copyright (C) 2006-2007 LimeWire LLC
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.limewire.mojito.settings;
import org.limewire.setting.BooleanSetting;
import org.limewire.setting.FloatSetting;
import org.limewire.setting.IntSetting;
import org.limewire.setting.LongSetting;
/**
* Setting for Kademlia lookups.
*/
public class LookupSettings extends MojitoProps {
private LookupSettings() {}
/**
* Use FIND_NODE (default) or FIND_VALUE to get the SecurityToken of
* a remote Node.
*/
public static final BooleanSetting FIND_NODE_FOR_SECURITY_TOKEN
= FACTORY.createBooleanSetting("FIND_NODE_FOR_SECURITY_TOKEN", true);
/**
* Whether or not the (k+1)-closest Contact should be
* removed from the response Set.
*/
public static final BooleanSetting DELETE_FURTHEST_CONTACT
= FACTORY.createBooleanSetting("DELETE_FURTHEST_CONTACT", true);
/**
* The FIND_NODE lookup timeout.
*/
public static final LongSetting FIND_NODE_LOOKUP_TIMEOUT
= FACTORY.createRemoteLongSetting("FIND_NODE_LOOKUP_TIMEOUT",
90L*1000L);
/**
* The FIND_VALUE lookup timeout.
*/
public static final LongSetting FIND_VALUE_LOOKUP_TIMEOUT
= FACTORY.createRemoteLongSetting("FIND_VALUE_LOOKUP_TIMEOUT",
90L*1000L);
/**
* Whether or not a value lookup is exhaustive.
*/
public static final BooleanSetting EXHAUSTIVE_VALUE_LOOKUP
= FACTORY.createBooleanSetting("EXHAUSTIVE_VALUE_LOOKUP", false);
/**
* The number of parallel FIND_VALUE lookups.
*/
public static final IntSetting FIND_VALUE_PARALLEL_LOOKUPS
= FACTORY.createIntSetting("FIND_VALUE_PARALLEL_LOOKUPS_2", 5);
/**
* The number of parallel FIND_NODE lookups.
*/
public static final IntSetting FIND_NODE_PARALLEL_LOOKUPS
= FACTORY.createRemoteIntSetting("FIND_NODE_PARALLEL_LOOKUPS", 5);
/**
* Bootstrapping Node return an empty Collection of Contacts
* for our FIND_NODE requests. This Setting controls whether or
* not such Nodes should be added to the lookup response path.
*/
public static final BooleanSetting ACCEPT_EMPTY_FIND_NODE_RESPONSES
= FACTORY.createRemoteBooleanSetting("ACCEPT_EMPTY_FIND_NODE_RESPONSES",
true);
/**
* Setting for what percentage of all Contacts in a FIND_NODE
* response must be valid before the entire response is considered
* valid.
*/
public static final FloatSetting CONTACTS_SCRUBBER_REQUIRED_RATIO
= FACTORY.createRemoteFloatSetting("CONTACTS_SCRUBBER_REQUIRED_RATIO",
0.0f);
/**
* Returns the lock timeout for a lookup process.
*
* @param findNode whether it's a FIND_NODE or FIND_VALUE operation
*/
public static long getWaitOnLock(boolean findNode) {
long waitOnLock = 0L;
if (findNode) {
waitOnLock += ContextSettings.getWaitOnLock(
LookupSettings.FIND_NODE_LOOKUP_TIMEOUT.getValue());
} else {
waitOnLock += ContextSettings.getWaitOnLock(
LookupSettings.FIND_VALUE_LOOKUP_TIMEOUT.getValue());
}
return waitOnLock;
}
}