/*
* Copyright 2010 NCHOVY
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.krakenapps.pcap.decoder.tcp;
import java.net.InetAddress;
/**
* @author mindori
*/
public class TcpSessionTrackerKey {
public static int activeHashCode(String token) {
String[] portCommand = token.split(",");
int portNum = (Integer.parseInt(portCommand[4]) * 256) + Integer.parseInt(portCommand[5].replaceAll("\r\n", ""));
return Integer.parseInt(portCommand[0]) ^ Integer.parseInt(portCommand[1]) ^ Integer.parseInt(portCommand[2]) ^ Integer.parseInt(portCommand[3]) ^ portNum;
}
public static int passiveHashCode(String[] token) {
String[] portCommand = token[token.length - 1].replaceAll("[()]", "").split(",");
int portNum = (Integer.parseInt(portCommand[4]) * 256) + Integer.parseInt(portCommand[5].replaceAll("\r\n", ""));
return Integer.parseInt(portCommand[0]) ^ Integer.parseInt(portCommand[1]) ^ Integer.parseInt(portCommand[2]) ^ Integer.parseInt(portCommand[3]) ^ portNum;
}
public static int calcHashcode(InetAddress ipAddress, int portNum) {
String[] token = ipAddress.toString().split("\\.");
return Integer.parseInt(token[0].substring(1)) ^ Integer.parseInt(token[1]) ^ Integer.parseInt(token[2]) ^ Integer.parseInt(token[3]) ^ portNum;
}
}