1 files changed, 0 insertions, 229 deletions
diff --git a/sources/protocols/implementations/VSBerkelyTimeProtocol.java b/sources/protocols/implementations/VSBerkelyTimeProtocol.java
deleted file mode 100644
index 1b69b72..0000000
--- a/sources/protocols/implementations/VSBerkelyTimeProtocol.java
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * Copyright (c) 2008 Paul C. Buetow, vs@dev.buetow.org
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- *
- * All icons of the icons/ folder are 	under a Creative Commons
- * Attribution-Noncommercial-Share Alike License a CC-by-nc-sa.
- *
- * The icon's homepage is http://code.google.com/p/ultimate-gnome/
- */
-
-package protocols.implementations;
-
-import protocols.VSAbstractProtocol;
-import core.VSMessage;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Vector;
-
-/**
- * The class VSBerkelyTimeProtocol, an implementation of the berkely time
- * protocol.
- *
- * @author Paul C. Buetow
- */
-public class VSBerkelyTimeProtocol extends VSAbstractProtocol {
-    private static final long serialVersionUID = 1L;
-
-    /**
-     * Instantiates a new berkely time protocol.
-     */
-    public VSBerkelyTimeProtocol() {
-        super(VSAbstractProtocol.HAS_ON_SERVER_START);
-        setClassname(getClass().toString());
-    }
-
-    /** Integer: Process ID, Long: Local time of the process */
-    private HashMap<Integer,Long> processTimes = new HashMap<Integer,Long>();
-
-    /** Integer: Process ID, Long: Time of receiving the response from the
-     * process
-     */
-    private HashMap<Integer,Long> recvTimes = new HashMap<Integer,Long>();
-
-    /** Integer: Process ID, Long: Calculated process times (using the RTT) */
-    private HashMap<Integer,Long> realTimesRTT = new HashMap<Integer,Long>();
-
-    /** Contains all process IDs of processes which want to justify their
-     * time
-     */
-    private ArrayList<Integer> peers = new ArrayList<Integer>();
-
-    /** Time the request/response has started */
-    private long requestTime;
-
-    /* (non-Javadoc)
-     * @see events.VSAbstractProtocol#onServerInit()
-     */
-    public void onServerInit() {
-        Vector<Integer> vec = new Vector<Integer>();
-        vec.add(1);
-        vec.add(3);
-        initVector("pids", vec, "PIDs beteiliger Prozesse");
-    }
-
-    /* (non-Javadoc)
-     * @see protocols.VSAbstractProtocol#onServerReset()
-     */
-    public void onServerReset() {
-        //System.out.println("FOOBAR");
-        processTimes.clear();
-        recvTimes.clear();
-        realTimesRTT.clear();
-        peers.clear();
-    }
-
-    /* (non-Javadoc)
-     * @see protocols.VSAbstractProtocol#onServerStart()
-     */
-    public void onServerStart() {
-        //System.out.println("FOO");
-        peers.addAll(getVector("pids"));
-        requestTime = process.getTime();
-        VSMessage message = new VSMessage();
-        message.setBoolean("isRequest", true);
-        sendMessage(message);
-    }
-
-    /* (non-Javadoc)
-     * @see protocols.VSAbstractProtocol#onServerRecv(core.VSMessage)
-     */
-    public void onServerRecv(VSMessage recvMessage) {
-        /* Ignore all protocol messages which are not a response message,
-           e.g. itself */
-        if (!recvMessage.getBoolean("isResponse"))
-            return;
-
-        Integer processID = recvMessage.getIntegerObj("processID");
-
-        if (peers.contains(processID))
-            peers.remove(processID);
-        else
-            return; /* Process has been handled already or is not listed */
-
-        Long time = new Long(recvMessage.getLong("time"));
-
-        processTimes.put(processID, time);
-        recvTimes.put(processID, new Long(process.getTime()));
-
-        /* All peers have told their times */
-        if (peers.size() == 0) {
-            long avgTime = calculateAverageTime();
-            /* Set the local's process time to the new avg reference time */
-            process.setTime(avgTime);
-            /* Tell all other processes what to do in order to justify their
-               times */
-            sendJustifyRequests(avgTime);
-            /* Start "clean" next time */
-            onServerReset();
-        }
-    }
-
-    /* (non-Javadoc)
-     * @see protocols.VSAbstractProtocol#onServerSchedule()
-     */
-    public void onServerSchedule() {
-    }
-
-    /**
-     * Calculate the new average time.
-     *
-     * @return the long
-     */
-    private long calculateAverageTime() {
-        long sum = 0;
-        for (Integer processID : processTimes.keySet()) {
-            Long localTime = processTimes.get(processID);
-            Long recvTime = recvTimes.get(processID);
-            long rtt = recvTime.longValue() - requestTime;
-            long realProcessTime = localTime + (long) (rtt / 2);
-            realTimesRTT.put(processID, new Long(realProcessTime));
-            sum += realProcessTime;
-        }
-        /* Include the time of the local process */
-        sum += process.getTime();
-        return (long) sum / (getVector("pids").size() + 1);
-    }
-
-    /**
-     * Sends to all clients a value to justify their local clocks.
-     *
-     * @param avgTime the avg time
-     */
-    private void sendJustifyRequests(long avgTime) {
-        for (Integer processID : processTimes.keySet()) {
-            long realProcessTime = realTimesRTT.get(processID).longValue();
-            long diff = avgTime - realProcessTime;
-            VSMessage message = new VSMessage();
-            message.setBoolean("isJustify", true);
-            message.setLong("timeDiff", diff);
-            message.setInteger("receiverProcessID", processID);
-            sendMessage(message);
-        }
-    }
-
-    /* (non-Javadoc)
-     * @see events.VSAbstractProtocol#onClientInit()
-     */
-    public void onClientInit() {
-    }
-
-    /* (non-Javadoc)
-     * @see protocols.VSAbstractProtocol#onClientReset()
-     */
-    public void onClientReset() {
-    }
-
-    /* (non-Javadoc)
-     * @see protocols.VSAbstractProtocol#onClientRecv(core.VSMessage)
-     */
-    public void onClientRecv(VSMessage recvMessage) {
-        if (recvMessage.getBoolean("isRequest")) {
-            VSMessage message = new VSMessage();
-            message.setInteger("processID", process.getProcessID());
-            message.setLong("time", process.getTime());
-            message.setBoolean("isResponse", true);
-            sendMessage(message);
-
-        } else if (recvMessage.getBoolean("isJustify")) {
-            /* Check if it's "my" justify message */
-            if (recvMessage.getInteger("receiverProcessID") !=
-                    process.getProcessID())
-                return;
-
-            long timeDiff = recvMessage.getLong("timeDiff");
-            //long recvTime = process.getTime();
-            long newTime = process.getTime() + timeDiff;
-            log("Neue Zeit: " + newTime);
-
-            process.setTime(newTime);
-        }
-    }
-
-    /* (non-Javadoc)
-     * @see protocols.VSAbstractProtocol#onClientSchedule()
-     */
-    public void onClientSchedule() {
-    }
-
-    /* (non-Javadoc)
-     * @see protocols.VSAbstractProtocol#toString()
-     */
-    public String toString() {
-        return super.toString();
-    }
-}