+++ /dev/null
-/*
- * Copyright (c) 2003-2005 The BISON Project
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-package peersim.edsim;
-
-import peersim.core.*;
-
-
-/**
-* Implements a random delay, but making sure there is exactly one call in each
-* consecutive <code>step</code> time units.
-*/
-public class RegRandNextCycle extends NextCycleEvent {
-
-// ============================== fields ==============================
-// ====================================================================
-
-/**
-* Indicates the start of the next cycle for a particular protocol
-* instance. If negative it means it has not been initialized yet.
-*/
-private long nextCycleStart = -1;
-
-// =============================== initialization ======================
-// =====================================================================
-
-
-/**
-* Calls super constructor.
-*/
-public RegRandNextCycle(String n) {
-
- super(n);
-}
-
-// --------------------------------------------------------------------
-
-/**
-* Calls super.clone().
-*/
-public Object clone() throws CloneNotSupportedException {
-
- return super.clone();
-}
-
-
-// ========================== methods ==================================
-// =====================================================================
-
-
-/**
-* Returns a random delay but making sure there is exactly one invocation in each
-* consecutive interval of length <code>step</code>. The beginning of these
-* intervals is defined by the first invocation which is in turn defined by
-* {@link CDScheduler} that initiates the protocol in question.
-*/
-protected long nextDelay(long step) {
-
- // at this point nextCycleStart points to the start of the next cycle
- // (the cycle after the one in which this execution is taking place)
- // (note that the start of the cycle is included in the cycle)
-
- final long now = CommonState.getTime();
- if(nextCycleStart<0)
- {
- // not initialized
- nextCycleStart=now+step;
- }
-
- // to be on the safe side, we do the next while loop.
- // although currently it never executes
- while(nextCycleStart<=now) nextCycleStart+=step;
-
- // we increment nextCycleStart to point to the start of the cycle
- // after the next cycle
- nextCycleStart+=step;
-
- return nextCycleStart-now-CommonState.r.nextLong(step)-1;
-}
-
-}
-
-
