queuehandle.h
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- /*
- * Copyright (c) 2001 University of Southern California.
- * 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 the Information Sciences
- * Institute of the University of Southern California.
- * 4. Neither the name of the University nor of the Institute may be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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 nam_queuehandle_h
- #define nam_queuehandle_h
- #include <tclcl.h>
- #include "animation.h"
- class QueueHandle : public Animation, public TclObject {
- public:
- QueueHandle(const char * type, int id, double _size);
- QueueHandle(Edge * edge);
- inline int number() {return number_;}
- virtual int classid() const { return ClassQueueHandleID; }
- inline const char * name() const {return (ns_type_);}
- virtual void reset(double);
- void attachTo(Edge * edge);
- void clearEdge();
- Edge * getEdge() {return edge_;}
- inline double x() const {return x_;}
- inline double y() const {return y_;}
- inline double width() const {return width_;}
- inline double height() const {return height_;}
-
- void setWidth(double w) {width_ = w;}
- void setHeight(double h) {height_ = h;}
- void place();
- const char* info() const;
- void setType(const char * type);
- void setLimit(int limit) {limit_ = limit;}
- void setSecondsPerByte(double spb) {secsPerByte_ = spb;}
- void setMaxQueue(int max) {maxqueue_ = max;}
- void setBuckets(int buckets) {buckets_ = buckets;}
- void setSharedBufferSize(int b) {blimit_ = b;}
- void setQuantum(int quantum) {quantum_ = quantum;}
- void setMask(bool mask) {mask_ = mask;}
- void setBytes(bool bytes) {bytes_ = bytes;}
- void setQueueInBytes(bool qib) {queue_in_bytes_ = qib;}
- void setThreshold (double min ) {thresh_ = min;}
- void setMaximumThreshold(double max ) {maxthresh_ = max;}
- void setMeanPacketSize(int mean ) {mean_pktsize_ = mean;}
- void setQueueWeight(double weight ) {q_weight_ = weight;}
- void setWaitInterval(bool wait ) {wait_ = wait;}
- void setLinterm(double linterm) {linterm_ = linterm;}
- void setBitMarking(bool bitmarking) {setbit_ = bitmarking;}
- void setREDDropTail(bool droptail) {drop_tail_ = droptail;}
- virtual double distance(double x, double y) const;
- void color(const char* name);
- virtual void size(double s);
- inline double size() const {return (size_);}
- int inside(double, float, float) const;
- virtual void update_bb();
- virtual void draw(View * view, double now);
- int writeNsScript(FILE *file);
- const char * property();
- const char * getProperties(char * type);
- int command(int argc, const char * const * argv);
- private:
- void setDefaults();
- public:
- QueueHandle * next_queue_handle_; // Used by editornetmodel to track
- Edge * edge_;
- protected:
- int number_;
- double width_;
- double height_;
- double x_, y_;
- double angle_;
- double size_;
- char * color_;
- char * type_;
- char * ns_type_;
- // DropTail
- int limit_; // max queue size
- // FairQueue (FQ)
- double secsPerByte_;
- //StocasticFairQueue (SFQ)
- int maxqueue_;
- int buckets_;
- // DeficitRoundRobin (DRR)
- // buckets_ - the total number of bucket to used for hashing of flows
- int blimit_; // shared buffer size in bytes
- int quantum_; // how much each flow can send during it's turn (bytes)
- bool mask_; // if true then a flow is determined by having the same node
- // ids (traffic betweeen nodes is one flow) otherwise flows
- // have both the same node ids and the same port ids
-
- // Random Early Detection gatways (RED)
- bool bytes_; // Set to true to enable "byte-mode" RED where the size
- // of arriving packets affect the likelihood of marking
- // (dropping) packets
- bool queue_in_bytes_; // set to true to measure the average queue size
- // in bytes rather than packets
- double thresh_; // minimum threshold for the average queue size in packets
- double maxthresh_; // maximum threshhold for the average queue size in packets
- int mean_pktsize_; // a rough estimate of the average packet size in bytes
- double q_weight_; // used in exponential average queue size for
- // calculating the average queue size
- bool wait_; // set to true to maintain an interval between dropped packets
- double linterm_; // maximum drop probability = 1/linterm
- bool setbit_; // Set to true to mark packets by setting the congestion
- // indication bit in packet headers rather than drop packets
- bool drop_tail_; // set to true to use drop tail rather than random drop
- // when the queue overflows or the average queue size
- // exceeds maxthresh_
-
-
-
- };
- #endif