pushback-queue.h
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上传日期:2015-12-11
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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) {
- // printf("PBQTimer: expiry at %gn", Scheduler::instance().clock());
- queue_->timeout(0);
- }
-
- protected:
- PushbackQueue * queue_;
-
-
- };
- #endif