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/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
/*
* Copyright (c) 2000 International Computer Science Institute
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by ACIRI, the AT&T
* Center for Internet Research at ICSI (the International Computer
* Science Institute).
* 4. Neither the name of ACIRI nor of ICSI may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ICSI AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL ICSI OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef ns_pushback_queue_h
#define ns_pushback_queue_h
#include "red.h"
#include "queue-monitor.h"
#include "timer-handler.h"
#include "pushback-constants.h"
class RateLimitSessionList;
class RateEstimator;
class PushbackQueueTimer;
class PushbackAgent;
class PushbackQueue: public REDQueue {
public:
PushbackQueue( const char* const);
virtual void reportDrop(Packet *pkt);
void enque(Packet *p);
// Packet * deque() {return NULL;}
PushbackAgent * pushback_;
int command(int, const char*const*);
void timeout(int);
double getBW();
double getRate();
double getDropRate();
int verbose_;
RateLimitSessionList * rlsList_;
RateEstimator * rateEstimator_;
protected:
int pushbackID_;
int src_;
int dst_;
int rate_limiting_;
EDQueueMonitor * qmon_;
PushbackQueueTimer * timer_;
NsObject * RLDropTrace_;
};
class PushbackQueueTimer: public TimerHandler {
public:
PushbackQueueTimer(PushbackQueue * queue) {queue_ = queue;}
virtual void
expire(Event *e);
protected:
PushbackQueue * queue_;
};
#endif
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