printout.ps

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(Table of  Contents) K
(                                     Tue Feb 24 09:54:38 2004) p n
() N
() N
() N
(    File: Table.cc                                               Page    1) N
() N
(    File: fdl-scheduler.cc                                       Page    4) N
() N
(    File: lauc-scheduler.cc                                      Page    6) N
() N
(    File: scheduler-group.cc                                     Page    9) N
() N
(    File: Table.h                                                Page   12) N
() N
(    File: fdl-scheduler.h                                        Page   14) N
() N
(    File: lauc-scheduler.h                                       Page   16) N
() N
(    File: scheduler-group.h                                      Page   19) N
() N
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(Table.cc) K
(  Aug 27 11:32 2003                                 Page:   1) p n
() N
(/* Copyright \(c\) University of Maryland, Baltimore County, 2003.) N
( * Original Authors: Ramakrishna Shenai, Sunil Gowda and Krishna Sivalingam.) N
( *) N
( * This software is developed at the University of Maryland, Baltimore County un) N
(der) N
( * grants from Cisco Systems Inc and the University of Maryland, Baltimore Count) N
(y.) N
( *) N
( * Permission to use, copy, modify, and distribute this software and its) N
( * documentation in source and binary forms for non-commercial purposes) N
( * and without fee is hereby granted, provided that the above copyright) N
( * notice appear in all copies and that both the copyright notice and) N
( * this permission notice appear in supporting documentation. and that) N
( * any documentation, advertising materials, and other materials related) N
( * to such distribution and use acknowledge that the software was) N
( * developed by the University of Maryland, Baltimore County.  The name of) N
( * the University may not be used to endorse or promote products derived from) N
( * this software without specific prior written permission.) N
( *) N
( * Copyright \(C\) 2000-2003 Washington State University. All rights reserved.) N
( * This software was originally developed at Alcatel USA and subsequently modifi) N
(ed) N
( * at Washington State University, Pullman, WA  through research work which was) N
( * supported by Alcatel USA, Inc and Cisco Systems Inc.) N
() N
( * The  following notice is in adherence to the Washington State University) N
( * copyright policy follows.) N
( *) N
( * License is granted to copy, to use, and to make and to use derivative) N
( * works for research and evaluation purposes, provided that Washington) N
( * State University is acknowledged in all documentation pertaining to any such) N
( * copy or derivative work. Washington State University grants no other) N
( * licenses expressed or implied. The Washington State University name) N
( * should not be used in any advertising without its written permission.) N
( *) N
( * WASHINGTON STATE UNIVERSITY MAKES NO REPRESENTATIONS CONCERNING EITHER) N
( * THE MERCHANTABILITY OF THIS SOFTWARE OR THE SUITABILITY OF THIS SOFTWARE) N
( * FOR ANY PARTICULAR PURPOSE.  The software is provided "as is") N
( *  without express or implied warranty of any kind. These notices must) N
( * be retained in any copies of any part of this software.) N
( */) N
(#include "Table.h") N
() N
(// the lookup table map object) N
(map <unsigned long, HashEntry*> LookupSwitch::table__;) N
() N
(void LookupSwitch::add\( u_long burstid, u_long inChannel, u_long outChannel,) N
(                  double arrTime, double depTime, double expTime \) {) N
(    HashEntry *e = new HashEntry\(\);) N
(    e->burstId = burstid;) N
(    e->inChannel = inChannel;) N
(    e->outChannel = outChannel;) N
(    e->arrTime = arrTime;) N
(    e->depTime = depTime;) N
(    e->expTime = expTime;) N
() N
(    add\( e \);) N
(}) N
() N
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(  Aug 27 11:32 2003                                 Page:   2) p n
() N
() N
(void LookupSwitch::add\( HashEntry* e \) {) N
(    table__[e->burstId] = e;) N
(}) N
() N
(HashEntry* LookupSwitch::lookup\( unsigned long key \) {) N
( //   map<unsigned long, Entry>::iterator result = table__.find\( key \);) N
( //   return \(*result\).second;) N
() N
(    if\( table__.find\( key \) != table__.end\(\) \) {) N
(        return  table__.find\( key \)->second;) N
(    } else {) N
(        return NULL;) N
(    }) N
(}) N
() N
(HashEntry* LookupSwitch::erase\( unsigned long key \) {) N
(    HashEntry *result = lookup\( key \);) N
(    if\( result != NULL \)) N
(        table__.erase\( key \);) N
(    return \(result\);) N
(}) N
() N
() N
(// Displays the elements of the lookupswitch -used for diagnostic purposes only) N
(void LookupSwitch::showall\(\) {) N
(    map<unsigned long, HashEntry*>::const_iterator iter;) N
(    for\( iter = table__.begin\(\); iter != table__.end\(\); iter++ \) {) N
(        char s[300];) N
(        HashEntry *e = iter->second;) N
(        sprintf\( s, "bid: %ld, aT: %lf, eT: %lf",  e->burstId,) N
(           e->arrTime, e->expTime \);) N
(        Debug::debug\( s \);) N
(    }) N
(}) N
() N
(/*) N
(int main\(\) {) N
(    LookupSwitch ls;) N
() N
(    for\( int i = 0; i < 200; i++ \)) N
(        ls.add\( i, 0, 0, 1.0, 0.0, 0.0 \);) N
() N
(    for\( int i = 0; i < 201; i++ \) {) N
(        ls.erase\( i \);) N
(        Entry e = ls.lookup\( i \);) N
(        if\( e.arrTime != 0 \) {) N
(            cout << "Found entry " << e.burstId << endl;) N
(            cout << "Entry arr time " << e.arrTime << endl;) N
(        } else {) N
(            cout << "Unable to find entry with key " << i << endl;) N
(        }) N
(    }) N
(    cout << "done" << endl;) N
() N
(}) N
() N
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(  Aug 27 11:32 2003                                 Page:   3) p n
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(*/) N
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(fdl-scheduler.cc) K
(  Feb 24 09:27 2004                         Page:   4) p n
() N
(#include "fdl-scheduler.h") N
() N
(int FdlScheduler::option_ = 0;) N
(int FdlScheduler::max_fdls_ = 0;) N
() N
(/* constructor */) N
(FdlScheduler::FdlScheduler\(\)) N
({) N
(     bind \("option", &option\);) N
(     bind \("maxfdls", &max_fdls_\);) N
(}) N
() N
(/* alloc method */) N
(void FdlScheduler:alloc\( u_int nfdl\)) N
({) N
(    unschTime_ = new double[nfdl];) N
(    startTime_ = new double[nfdl];) N
(    endTime_ = new double[nfdl];) N
() N
(    memset\( unschTime_, 0, nfdl * sizeof\( double \) \);) N
(    memset\( startTime_, 0, nfdl * sizeof\( double \) \);) N
(    memset\( endTime_, 0, nfdl * sizeof\( double \)  \);) N
(}) N
() N
(/* Schedule an FDL at the proposed schedule time and duration */) N
(FdlSchedule FdlScheduler::schedFdl\( double schedTime, double schedDur \)) N
({) N
() N
(    // make sure the sched duration is greater than 0.) N
(    assert\( \( schedTime >= 0. \) && \( schedDur > 0. \) \);) N
(    assert\(nfdl_ > 0\);) N
() N
(    FdlSchedule result = search\( schedTime, schedDur \);) N
() N
(    int fdl = result.fdl\(\);) N
(    if\( fdl >= 0 \)) N
(        update\( fdl, result.startTime\(\), schedDur \);) N
() N
(    return result;) N
(}) N
() N
(// search the scheduler and the voids for an appropriate schedule) N
(FdlSchedule FdlScheduler::search\( double schedTime, double schedDur \)) N
({) N
(    FdlSchedule result;) N
(    double   diffTime = HUGE_VAL;) N
() N
(    for\( u_int i = 0; i < nfdl_; i++ \) {) N
(        // try to schedule in a void) N
(        if\( schedTime >= startTime_[i] \)) N
(           if\( \( endTime_[i] - schedTime \) >= schedDur \)) N
(              if\( \( schedTime - startTime_[i] \) < diffTime \)) N
(              {) N
(                 diffTime = schedTime - startTime_[i];) N
(                 result.fdl\(\) = i;) N
() N
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(  Feb 24 09:27 2004                         Page:   5) p n
() N
(                 result.startTime\(\) = schedTime;) N
(              }) N
(        // try to schedule after the void) N
(        if\( schedTime >= unschTime_[i] \)) N
(           if\( \( schedTime - unschTime_[i] \) < diffTime \)) N
(           {) N
(              diffTime = schedTime - unschTime_[i];) N
(              result.fdl\(\) = i;) N
(              result.startTime\(\) = schedTime;) N
(           }) N
(    }) N
(    return \(result\);) N
(}) N
() N
(// update the $fdl information) N
(void FdlScheduler::update\( u_int fdl, double schedTime, double schedDur \)) N
({) N
(    if\( schedTime >= unschTime_[fdl] \) {) N
(        startTime_[fdl] = unschTime_[fdl];) N
(        unschTime_[fdl] = schedTime + schedDur;) N
(        endTime_[fdl] = schedTime;) N
(    } else {) N
(        // scheduled in the void) N
(        // i.e sched_time < unsch_time[fdl]) N
(        startTime_[fdl] = schedTime + schedDur;) N
(    }) N
(}) N
() N
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(lauc-scheduler.cc) K
(  Aug 27 11:32 2003                        Page:   6) p n
() N
(/* Copyright \(c\) University of Maryland, Baltimore County, 2003.) N
( * Original Authors: Ramakrishna Shenai, Sunil Gowda and Krishna Sivalingam.) N
( *) N
( * This software is developed at the University of Maryland, Baltimore County un) N
(der) N
( * grants from Cisco Systems Inc and the University of Maryland, Baltimore Count) N
(y.) N
( *) N
( * Permission to use, copy, modify, and distribute this software and its) N
( * documentation in source and binary forms for non-commercial purposes) N
( * and without fee is hereby granted, provided that the above copyright) N