- Patch ported to ns-2.32 ::
--- ns-allinone-2.32.bak/ns-2.32/mac/mac-bod.cc 1970-01-01 10:00:00.000000000 +1000
+++ ns-allinone-2.32/ns-2.32/mac/mac-bod.cc 2008-04-15 17:43:11.000000000 +1000
@@ -0,0 +1,435 @@
+// Copyright (c) 2006 by the Consiglio Nazionale Ricerche (CNR) area
+// della Ricerca di Pisa
+//
+// All rights reserved.
+//
+// Permission to use, copy, modify, and distribute this software and its
+// documentation in source and binary forms for non-commercial purposes
+// and without fee is hereby granted, provided that the above copyright
+// notice appear in all copies and that both the copyright notice and
+// this permission notice appear in supporting documentation. and that
+// any documentation, advertising materials, and other materials related
+// to such distribution and use acknowledge that the software was
+// developed by the University of Southern California, Information
+// Sciences Institute. The name of the University may not be used to
+// endorse or promote products derived from this software without
+// specific prior written permission.
+//
+// THE Consiglio Nazionale Ricerche (CNR) makes no representations about
+// the suitability of this software for any purpose. THIS SOFTWARE IS
+// PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Other copyrights might apply to parts of this software and are so
+// noted when applicable.
+//
+//
+// mac-bod.cc
+// by Raffaello Secchi (raffaello.secchi@isti.cnr.it), CNR/ISTI
+
+
+#include "delay.h"
+#include "connector.h"
+#include "packet.h"
+#include "random.h"
+
+#include "arp.h"
+#include "ll.h"
+#include "mac.h"
+#include "mac-tdma.h"
+#include "cmu-trace.h"
+
+/* Initialize Requester and Allocator*/
+TdmaRequester::TdmaRequester(): qMon_(0)
+{
+ bind("request_",&request_);
+}
+
+
+TdmaAllocator::TdmaAllocator()
+{
+ bind("delay_",&delay_);
+ bind("active_node_",&active_node_);
+ bind("max_slot_num_",&max_slot_num_);
+ schedule_nxt_ = NULL;
+}
+
+AllocatorProportional::AllocatorProportional(): TdmaAllocator()
+{
+ deficit = 0;
+ slot_index = 0;
+}
+
+
+/* ======================================================================
+ TCL Hooks for the simulator
+ ====================================================================== */
+
+static class AllocatorProportionalClass : public TclClass {
+public:
+ AllocatorProportionalClass() : TclClass("Allocator/Proportional") {}
+ TclObject* create(int, const char*const*) {
+ return (new AllocatorProportional());
+ }
+} class_allocator_proportional;
+
+static class AllocatorTclClass : public TclClass {
+public:
+ AllocatorTclClass() : TclClass("Allocator/Tcl") {}
+ TclObject* create(int, const char*const*) {
+ return (new AllocatorTcl());
+ }
+} class_allocator_tcl;
+
+static class RequesterConstantClass : public TclClass {
+public:
+ RequesterConstantClass() : TclClass("Requester/Constant") {}
+ TclObject* create(int, const char*const*) {
+ return (new RequesterConstant());
+ }
+} class_requester_constant;
+
+static class RequesterRBDCClass : public TclClass {
+public:
+ RequesterRBDCClass() : TclClass("Requester/RBDC") {}
+ TclObject* create(int, const char*const*) {
+ return (new RequesterRBDC());
+ }
+} class_requester_rbdc;
+
+static class RequesterVBDCClass : public TclClass {
+public:
+ RequesterVBDCClass() : TclClass("Requester/VBDC") {}
+ TclObject* create(int, const char*const*) {
+ return (new RequesterVBDC());
+ }
+} class_requester_vbdc;
+
+static class RequesterTclClass : public TclClass {
+public:
+ RequesterTclClass() : TclClass("Requester/Tcl") {}
+ TclObject* create(int, const char*const*) {
+ return (new RequesterTcl());
+ }
+} class_requester_tcl;
+
+
+/* Reinitialize Allocator and Requester objects after new nodes is created */
+void TdmaAllocator::init() {
+
+ requestv_ = mac_->requestv_;
+ max_slot_num_ = mac_->max_slot_num_;
+ tdma_schedule_nxt_ = mac_->tdma_schedule_nxt_;
+ if (schedule_nxt_)
+ delete [] schedule_nxt_;
+ schedule_nxt_ = new int[max_slot_num_];
+ active_node_ = mac_->active_node_;
+
+ mac_->allocator_ = this;
+
+}
+
+void AllocatorProportional::init(){
+
+ if (deficit)
+ delete[] deficit;
+
+ active_node_ = mac_->active_node_;
+
+ deficit = new double[active_node_];
+ for(int i=0; i<active_node_; i++)
+ deficit[i] = 0;
+
+ TdmaAllocator::init();
+}
+
+void AllocatorTcl::init(){
+
+ Tcl& tcl = Tcl::instance();
+
+ active_node_ = mac_->active_node_;
+
+ // initialize AllocatorTcl instvars
+ tcl.evalf("%s initvar",name());
+
+ TdmaAllocator::init();
+}
+
+void TdmaRequester::init() {
+ requestv_ = mac_->requestv_;
+ slot_num_ = mac_->slot_num_;
+ mac_->requester_ = this;
+}
+
+void RequesterTcl::init() {
+
+ Tcl& tcl = Tcl::instance();
+
+ // initialize RequesterTcl instvars
+ tcl.evalf("%s initvar",name());
+
+ TdmaRequester::init();
+}
+
+
+/* ======================================================================
+ Command Interface with the interpreter
+ ====================================================================== */
+int AllocatorProportional::command(int argc, const char*const* argv)
+{
+
+ if (argc == 3) {
+ if (strcmp(argv[1], "attach") == 0) {
+ mac_ = (MacTdma*) TclObject::lookup(argv[2]);
+ if(mac_ == 0)
+ return TCL_ERROR;
+ init();
+ return TCL_OK;
+ }
+ }
+ return TdmaAllocator::command(argc, argv);
+}
+
+int AllocatorTcl::command(int argc, const char*const* argv)
+{
+
+ if (argc == 3) {
+ if (strcmp(argv[1], "attach") == 0) {
+ mac_ = (MacTdma*) TclObject::lookup(argv[2]);
+ if(mac_ == 0)
+ return TCL_ERROR;
+ init();
+ return TCL_OK;
+ }
+ }
+ return TdmaAllocator::command(argc, argv);
+}
+
+
+int TdmaRequester::command(int argc, const char*const* argv){
+
+ if (argc == 3) {
+ if (strcmp(argv[1], "attach") == 0) {
+ mac_ = (MacTdma*) TclObject::lookup(argv[2]);
+ if(mac_ == 0)
+ return TCL_ERROR;
+ init();
+ return TCL_OK;
+ }
+ if (strcmp(argv[1], "setifq") == 0) {
+ ifq_ = (Queue *)TclObject::lookup(argv[2]);
+ if (!ifq_)
+ return TCL_ERROR;
+ return (TCL_OK);
+ }
+ if (strcmp(argv[1], "setmon") == 0) {
+ qMon_ = (QueueMonitor *)TclObject::lookup(argv[2]);
+ if (!qMon_)
+ return TCL_ERROR;
+ return (TCL_OK);
+ }
+ }
+ return TclObject::command(argc,argv);
+}
+
+int RequesterConstant::command(int argc, const char*const* argv)
+{
+ return TdmaRequester::command(argc, argv);
+}
+
+int RequesterRBDC::command(int argc, const char*const* argv)
+{
+ return TdmaRequester::command(argc, argv);
+}
+
+int RequesterVBDC::command(int argc, const char*const* argv)
+{
+ return TdmaRequester::command(argc, argv);
+}
+
+int RequesterTcl::command(int argc, const char*const* argv)
+{
+ if (argc == 3) {
+ if (strcmp(argv[1], "attach") == 0) {
+ mac_ = (MacTdma*) TclObject::lookup(argv[2]);
+ if(mac_ == 0)
+ return TCL_ERROR;
+ init();
+ return TCL_OK;
+ }
+ }
+ return TdmaRequester::command(argc, argv);
+}
+
+
+/* ======================================================================
+ Debugging Routines
+ ====================================================================== */
+
+void TdmaAllocator::printrequests(){
+
+ for(int i=0; i<active_node_ ; i++ )
+ printf("[%d]",requestv_[i]);
+ printf("\n");
+
+}
+
+void TdmaAllocator::printrequest_nxt(){
+ for(int i=0; i<max_slot_num_ ; i++ )
+ if (schedule_nxt_[i] == SLOT_UNALLOC)
+ printf("[N]");
+ else
+ printf("[%d]", schedule_nxt_[i]);
+ printf("\n");
+}
+
+
+/* Requester Main Functions */
+
+void RequesterConstant::dorequest(){
+
+ /* overwrite previous request */
+ requestv_[slot_num_] = request_;
+}
+
+void RequesterRBDC::dorequest(){
+
+ rate = (qMon_->barrivals() - pin)/(mac_->slot_packet_len_*mac_->num_frame_);
+
+ /* overwrite previous request */
+ requestv_[slot_num_] = rate+1;
+
+ pin = qMon_->barrivals();
+ tin = NOW;
+}
+
+void RequesterVBDC::dorequest(){
+
+ buffer = qMon_->barrivals() - qMon_->bdepartures() - qMon_->bdrops();
+ /* overwrite previous request */
+ printf("%lf %d %d\n",NOW, slot_num_,
+ buffer/(mac_->slot_packet_len_*mac_->num_frame_));
+ requestv_[slot_num_] = buffer/(mac_->slot_packet_len_*mac_->num_frame_)+1;
+}
+
+void RequesterTcl::dorequest(){
+
+ char wrk[1024];
+ Tcl& tcl = Tcl::instance();
+
+ // call the requester tcl
+ sprintf(wrk,"%s dorequest",name());
+ tcl.evalc(wrk);
+
+ /* overwrite previous request */
+ requestv_[slot_num_] = atoi(tcl.result());
+
+}
+
+
+/* Main Allocation Functions */
+void TdmaAllocator::allocation(){
+
+ /* create new timer */
+ copy_ = new AllocationDelay(this);
+
+ /* store schedule_nxt to local memory */
+ copy_->schedule_ = new int[max_slot_num_];
+
+ for(int i=0; i<max_slot_num_; i++)
+ copy_->schedule_[i] = schedule_nxt_[i];
+
+ /* schedule the allocation */
+ copy_->sched(delay_);
+
+ mac_->trace_event("reques",0);
+ mac_->trace_event("nxt",0);
+
+}
+
+void TdmaAllocator::schedule_copy(AllocationDelay* c){
+
+ /* copy the sent schedule to local MAC */
+ for(int i=0; i<max_slot_num_; i++)
+ tdma_schedule_nxt_[i] = c->schedule_[i];
+
+ /* free memory */
+ delete c;
+}
+
+/* Implements the Proportional */
+void AllocatorProportional::allocation()
+{
+ int totreq = 0; // sum of all requests
+ int slot = 0;
+ int ns = 0;
+ int si = slot_index;
+
+ // find the sum of all requests
+ for(int i=0; i<active_node_; i++)
+ totreq += requestv_[i];
+
+ // add the previous deficit to current request
+ if ( totreq > 0 )
+ for(int i=0; i<active_node_; i++)
+ if (i!=slot_index)
+ deficit[i] += double(max_slot_num_*requestv_[i])/totreq;
+
+ while( slot<max_slot_num_ && ns<active_node_ ) {
+
+ while( ns<active_node_ && deficit[slot_index]<=EPS ) {
+ slot_index = (slot_index + 1) % active_node_;
+ ns++;
+ }
+
+ while( slot<max_slot_num_ && deficit[slot_index]>EPS ) {
+ deficit[slot_index]--;
+ schedule_nxt_[slot] = slot_index;
+ slot++;
+ }
+ }
+
+ deficit[si] += double(max_slot_num_*requestv_[si])/totreq;
+
+ // the rest is not allocated
+ if (slot<max_slot_num_)
+ for(int i=slot; i<max_slot_num_; i++)
+ if (deficit[si]>EPS) {
+ deficit[si]--;
+ schedule_nxt_[i] = si;
+ } else
+ schedule_nxt_[i] = SLOT_UNALLOC;
+
+ /* operation common to all Allocators */
+ TdmaAllocator::allocation();
+}
+
+
+
+/* Implements the Tcl Embedded allocation function */
+void AllocatorTcl::allocation()
+{
+ Tcl & tcl = Tcl::instance();
+
+ char wrk[1024];
+
+ // initialize the array
+ for(int i=0; i<active_node_; i++)
+ tcl.evalf("%s set requestv_(%d) %d",name(),i,requestv_[i]);
+
+ // call Tcl scheduling function
+ tcl.evalf("%s allocation", name());
+
+ for(int i=0; i<max_slot_num_; i++){
+ sprintf(wrk,"%s set schedule_(%d)",name(),i);
+ tcl.evalc(wrk);
+ schedule_nxt_[i] = atoi(tcl.result());
+ }
+
+ // operation common to all Allocators
+ TdmaAllocator::allocation();
+}
+
+
+
--- ns-allinone-2.32.bak/ns-2.32/mac/mac-tdma.h 2008-04-15 17:39:53.000000000 +1000
+++ ns-allinone-2.32/ns-2.32/mac/mac-tdma.h 2008-04-15 17:43:11.000000000 +1000
@@ -1,4 +1,3 @@
-
/*
* mac-tdma.h
* Copyright (C) 1999 by the University of Southern California
@@ -59,6 +58,8 @@
//#include <debug.h>
#include "marshall.h"
+#include "queue-monitor.h"
+
#include <delay.h>
#include <connector.h>
#include <packet.h>
@@ -84,6 +85,8 @@
#define DSSS_PreambleLength 144 // 144 bits
#define DSSS_PLCPHeaderLength 48 // 48 bits
+#define EPS 0.0000001
+
class PHY_MIB {
public:
u_int32_t CWMin;
@@ -129,6 +132,11 @@
/* Quoted from MAC-802.11. */
#define DATA_DURATION 5
+// Indicate that the slot is not allocated
+#define SLOT_UNALLOC -2
+#define SLOT_NOREQ 0
+
+
/* We are using same header structure as 802.11 currently */
struct frame_control {
u_char fc_subtype : 4;
@@ -174,9 +182,171 @@
u_int32_t seqno;
};
-/* Timers */
+
class MacTdma;
+
+/* Make a request to allocator for each Tdma node */
+class TdmaRequester: public TclObject {
+
+public:
+ TdmaRequester();
+ virtual void dorequest() {};
+
+ int command(int argc, const char*const* argv);
+
+ // initialize dynamic variables
+ void init();
+
+ /* pointer to Queue */
+ Queue* ifq_;
+ QueueMonitor* qMon_;
+
+
+protected:
+ MacTdma* mac_;
+ int slot_num_;
+ int *requestv_;
+
+ /* the request to submit */
+ int request_;
+
+};
+
+
+class RequesterConstant: public TdmaRequester {
+
+public:
+ RequesterConstant(): TdmaRequester() { };
+ int command(int argc, const char*const* argv);
+
+ virtual void dorequest();
+
+};
+
+class RequesterRBDC: public TdmaRequester {
+
+public:
+ RequesterRBDC(): TdmaRequester() { };
+ int command(int argc, const char*const* argv);
+
+ virtual void dorequest();
+
+private:
+ int rate;
+ int pin;
+ double tin;
+};
+
+class RequesterVBDC: public TdmaRequester {
+
+public:
+ RequesterVBDC(): TdmaRequester() { };
+ int command(int argc, const char*const* argv);
+
+ virtual void dorequest();
+
+private:
+ int buffer;
+};
+
+class RequesterTcl: public TdmaRequester {
+
+public:
+ RequesterTcl(): TdmaRequester() { };
+ int command(int argc, const char*const* argv);
+
+ virtual void dorequest();
+
+ void init();
+};
+
+class AllocationDelay;
+
+/* Allocator classes */
+class TdmaAllocator: public TclObject {
+friend class AllocationDelay;
+
+public:
+ TdmaAllocator();
+ int command(int argc, const char*const* argv){
+ return TclObject::command(argc,argv);
+ };
+
+ void virtual allocation();
+ int active_node_;
+ int max_slot_num_;
+
+ void virtual init();
+ int *schedule_nxt_;
+
+protected:
+ MacTdma* mac_;
+
+ /* request vector */
+ int *requestv_;
+ int *tdma_schedule_nxt_;
+ void printrequests();
+ void printrequest_nxt();
+
+ /* allocation delay */
+ double delay_;
+ double jitter_;
+
+ AllocationDelay* copy_;
+ void schedule_copy(AllocationDelay *);
+
+};
+
+/* implements the timer that copy next allocation */
+class AllocationDelay: public TimerHandler {
+public:
+ AllocationDelay(TdmaAllocator* a): TimerHandler() {
+ allocator_ = a;
+ }
+ int * schedule_;
+
+ virtual void expire(Event *e){
+ allocator_->schedule_copy(this);
+ }
+
+ ~AllocationDelay() {
+ delete [] schedule_;
+ }
+
+protected:
+ TdmaAllocator* allocator_;
+};
+
+class AllocatorProportional: public TdmaAllocator {
+
+public:
+ AllocatorProportional();
+ int command(int argc, const char*const* argv);
+ virtual void allocation();
+ void virtual init();
+
+protected:
+ double* deficit; // deficit for allocator
+ int slot_index;
+ double creq;
+};
+
+class AllocatorTcl: public TdmaAllocator {
+
+public:
+ AllocatorTcl(): TdmaAllocator() {} ;
+ int command(int argc, const char*const* argv);
+ virtual void allocation();
+ void virtual init();
+protected:
+ int slot_index;
+
+};
+
+
+/* Timers */
+
class MacTdmaTimer : public Handler {
public:
MacTdmaTimer(MacTdma* m, double s = 0) : mac(m) {
@@ -235,7 +405,8 @@
friend class SlotTdmaTimer;
friend class TxPktTdmaTimer;
friend class RxPktTdmaTimer;
-
+ friend class TdmaAllocator;
+
public:
MacTdma(PHY_MIB* p);
void recv(Packet *p, Handler *h);
@@ -248,17 +419,47 @@
void recvHandler(Event *e);
void sendHandler(Event *e);
- protected:
- PHY_MIB *phymib_;
+ static int *requestv_; // The vector of requests done by stations
- // Both the slot length and max slot num (max node num) can be configged.
+ /* Requester and Allocator objects for slot scheduling */
+ static TdmaAllocator* allocator_;
+ TdmaRequester* requester_;
+
+ /* Data structure for tdma scheduling. */
+ static int active_node_; // How many nodes needs to be descheduled
+
+ static int *tdma_schedule_nxt_; // The next frame to allocate
+
+ /* TDMA scheduling state.
+ Currently, we only use a centralized simplified way to do
+ scheduling. Will work on the algorithm later.*/
+ // The max num of slot within one frame.
+ static int max_slot_num_;
+ int slot_num_; // The slot number it's allocated.
+
+ /* MAC Trace support */
+ EventTrace* et_;
+ virtual void trace_event(char* event,int val);
+
+
+ // Both the slot length and max slot num (max node num) can be configged.
int slot_packet_len_;
- int max_node_num_;
+
+ // The number of frame after which a request is done
+ static int num_frame_;
+
+ protected:
+ PHY_MIB *phymib_;
+
private:
int command(int argc, const char*const* argv);
+ // dump only allocation
+ int dump_alloc_;
+
// Do slot scheduling for the active nodes within one cluster.
+ void re_allocate();
void re_schedule();
void makePreamble();
void radioSwitch(int i);
@@ -282,14 +483,9 @@
logtarget_->recv(p, (Handler*) 0);
}
- inline double TX_Time(Packet *p) {
- double t = DATA_Time((HDR_CMN(p))->size());
-
- // printf("<%d>, packet size: %d, tx-time: %f\n", index_, (HDR_CMN(p))->size(), t);
- if(t < 0.0) {
- drop(p, "XXX");
- exit(1);
- }
+ inline double TX_Time() {
+ double t = DATA_Time(residue_);
+
return t;
}
@@ -303,7 +499,8 @@
TxPktTdmaTimer mhTxPkt_;
RxPktTdmaTimer mhRxPkt_;
- /* Internal MAC state */
+
+ /* Internal MAC state */
MacState rx_state_; // incoming state (MAC_RECV or MAC_IDLE)
MacState tx_state_; // outgoing state
@@ -314,42 +511,36 @@
NsObject* logtarget_;
- /* TDMA scheduling state.
- Currently, we only use a centralized simplified way to do
- scheduling. Will work on the algorithm later.*/
- // The max num of slot within one frame.
- static int max_slot_num_;
-
+ int frame_;
+
// The time duration for each slot.
static double slot_time_;
/* The start time for whole TDMA scheduling. */
static double start_time_;
-
- /* Data structure for tdma scheduling. */
- static int active_node_; // How many nodes needs to be scheduled
+ /* initial slot time */
+ double slot_start_time_;
+
static int *tdma_schedule_;
- int slot_num_; // The slot number it's allocated.
static int *tdma_preamble_; // The preamble data structure.
-
+
// When slot_count_ = active_nodes_, a new preamble is needed.
int slot_count_;
+
+ // The remaining part of packet to send
+ int residue_;
+
+ // number of request received during active frame
+ static int num_requests_;
// How many packets has been sent out?
static int tdma_ps_;
static int tdma_pr_;
-};
-
-double MacTdma::slot_time_ = 0;
-double MacTdma::start_time_ = 0;
-int MacTdma::active_node_ = 0;
-int MacTdma::max_slot_num_ = 0;
-int *MacTdma::tdma_schedule_ = NULL;
-int *MacTdma::tdma_preamble_ = NULL;
+
+ void watch_alloc();
-int MacTdma::tdma_ps_ = 0;
-int MacTdma::tdma_pr_ = 0;
+};
#endif /* __mac_tdma_h__ */
--- ns-allinone-2.32.bak/ns-2.32/mac/mac-tdma.cc 2008-04-15 17:39:53.000000000 +1000
+++ ns-allinone-2.32/ns-2.32/mac/mac-tdma.cc 2008-04-15 17:43:11.000000000 +1000
@@ -83,6 +83,21 @@
tx_state_ = (x); \
}
+double MacTdma::slot_time_ = 0;
+double MacTdma::start_time_ = 0;
+int MacTdma::active_node_ = 0;
+int MacTdma::max_slot_num_ = 0;
+int MacTdma::num_requests_ = 0;
+int *MacTdma::tdma_schedule_ = NULL;
+int *MacTdma::tdma_preamble_ = NULL;
+int *MacTdma::tdma_schedule_nxt_ = NULL;
+int *MacTdma::requestv_ = NULL;
+TdmaAllocator *MacTdma::allocator_ = NULL;
+int MacTdma::num_frame_ = 1;
+
+int MacTdma::tdma_ps_ = 0;
+int MacTdma::tdma_pr_ = 0;
+
/* Phy specs from 802.11 */
static PHY_MIB PMIB = {
DSSS_CWMin, DSSS_CWMax, DSSS_SlotTime, DSSS_CCATime,
@@ -90,6 +105,7 @@
DSSS_PLCPHeaderLength
};
+
/* Timers */
void MacTdmaTimer::start(Packet *p, double time)
{
@@ -101,12 +117,15 @@
stime = s.clock();
rtime = time;
assert(rtime >= 0.0);
-
+
+
s.schedule(this, p, rtime);
+
}
void MacTdmaTimer::stop(Packet *p)
{
+
Scheduler &s = Scheduler::instance();
assert(busy_);
@@ -155,9 +174,6 @@
mac->sendHandler(e);
}
-/* ======================================================================
- TCL Hooks for the simulator
- ====================================================================== */
static class MacTdmaClass : public TclClass {
public:
MacTdmaClass() : TclClass("Mac/Tdma") {}
@@ -171,43 +187,55 @@
// Frame format:
// Pamble Slot1 Slot2 Slot3...
MacTdma::MacTdma(PHY_MIB* p) :
- Mac(), mhSlot_(this), mhTxPkt_(this), mhRxPkt_(this){
+ Mac(), requester_(0), et_(0), dump_alloc_(0),
+ mhSlot_(this), mhTxPkt_(this), mhRxPkt_(this) {
+
/* Global variables setting. */
// Setup the phy specs.
+ static int slot_pointer = 0;
+
phymib_ = p;
-
- /* Get the parameters of the link (which in bound in mac.cc, 2M by default),
- the packet length within one TDMA slot (1500 byte by default),
- and the max number of nodes (64) in the simulations.*/
+
+ // bind parameters of MacTdma object
bind("slot_packet_len_", &slot_packet_len_);
- bind("max_node_num_", &max_node_num_);
+ bind("max_slot_num_", &max_slot_num_);
+ bind("num_frame_", &num_frame_);
+ bind("dump_alloc_", &dump_alloc_);
+
- // slot_packet_len_ = 1500;
- // max_node_num_ = 64;
// Calculate the slot time based on the MAX allowed data length.
slot_time_ = DATA_Time(slot_packet_len_);
- /* Calsulate the max slot num within on frame from max node num.
- In the simple case now, they are just equal.
- */
- max_slot_num_ = max_node_num_;
- /* Much simplified centralized scheduling algorithm for single hop
- topology, like WLAN etc.
+
+ // Initialize the tdma schedule data structures.
+ if ( !tdma_schedule_ ) {
+ tdma_schedule_ = new int[max_slot_num_];
+ tdma_preamble_ = new int[max_slot_num_];
+ tdma_schedule_nxt_ = new int[max_slot_num_];
+ requestv_ = new int[max_slot_num_];
+
+ for(int i=active_node_; i<max_slot_num_; i++) {
+ tdma_preamble_[i] = NOTHING_TO_SEND;
+ tdma_schedule_[i] = SLOT_UNALLOC;
+ tdma_schedule_nxt_[i] = SLOT_UNALLOC;
+ requestv_[i] = SLOT_NOREQ;
+ }
+ }
+
+ /*
+ if ( active_node_ < max_slot_num_) {
+ tdma_preamble_[active_node_] = active_node_;
+ tdma_schedule_[active_node_] = active_node_;
+ tdma_schedule_nxt_[active_node_] = active_node_;
+ }
*/
- // Initualize the tdma schedule and preamble data structure.
- tdma_schedule_ = new int[max_slot_num_];
- tdma_preamble_ = new int[max_slot_num_];
- /* Do each node's initialization. */
// Record the initial active node number.
active_node_++;
-
- if (active_node_ > max_node_num_) {
- printf("Too many nodes taking part in the simulations, aborting...\n");
- exit(-1);
- }
-
+
+ /* Do each node's initialization. */
+
// Initial channel / transceiver states.
tx_state_ = rx_state_ = MAC_IDLE;
tx_active_ = 0;
@@ -215,16 +243,28 @@
// Initialy, the radio is off. NOTE: can't use radioSwitch(OFF) here.
radio_active_ = 0;
- // Do slot scheduling.
- re_schedule();
+ // Record the start time of the new schedule.
+ start_time_ = NOW;
+
+ /* Seperate slot_num_ and the node id:
+ we may have flexibility as node number changes.
+ */
+ slot_num_ = slot_pointer++;
+
+ frame_ = 0;
+ if ( allocator_ )
+ allocator_->init();
+
/* Deal with preamble. */
// Can't send anything in the first frame.
slot_count_ = FIRST_ROUND;
- tdma_preamble_[slot_num_] = NOTHING_TO_SEND;
+
+ residue_ = 0;
+
+ //Start the Slot timer...
+ mhSlot_.start((Packet *) (& intr_), 0);
- //Start the Slot timer..
- mhSlot_.start((Packet *) (& intr_), 0);
}
/* similar to 802.11, no cached node lookup. */
@@ -237,13 +277,19 @@
return TCL_ERROR;
return TCL_OK;
}
+ if (strcmp(argv[1], "eventtrace") == 0) {
+ et_ = (EventTrace *)TclObject::lookup(argv[2]);
+ if (!et_)
+ return TCL_ERROR;
+ return (TCL_OK);
+ }
}
return Mac::command(argc, argv);
}
/* ======================================================================
- Debugging Routines
+ Debugging & Tracing Routines
====================================================================== */
void MacTdma::trace_pkt(Packet *p)
{
@@ -268,12 +314,118 @@
(long) pktTx_, (long) pktRx_, (long) callback_);
}
+void MacTdma::watch_alloc(){
+
+ for(int i=0; i<max_slot_num_; i++)
+ if (tdma_schedule_[i] == SLOT_UNALLOC)
+ printf("[N]");
+ else
+ printf("[%d]",tdma_schedule_[i]);
+ printf("\n");
+
+}
+
+
+void MacTdma::trace_event(char *event, int val)
+{
+
+ if (et_ == NULL) return;
+ char *wrk = et_->buffer();
+
+ if (dump_alloc_)
+ if ( strcmp(event,"req") != 0 &&
+ strcmp(event,"nxt") != 0 &&
+ strcmp(event,"cur") != 0 )
+ return;
+
+ if (wrk != 0) {
+ if (strcmp(event,"cur") == 0) {
+ static int *xc = new int[active_node_];
+ for(int i=0; i<active_node_; i++)
+ xc[i] = 0;
+ sprintf(wrk, "<%d> %lf %sslt ", index_, NOW, event);
+ for(int i=0; i<max_slot_num_; i++)
+ if (tdma_schedule_[i] == SLOT_UNALLOC)
+ sprintf(wrk+strlen(wrk), "[N]");
+ else{
+ sprintf(wrk+strlen(wrk), "[%d]", tdma_schedule_[i]);
+ xc[tdma_schedule_[i]]++;
+ }
+ sprintf(wrk+strlen(wrk), "\n<%d> %lf %sall ", index_, NOW, event);
+ for(int i=0; i<active_node_; i++)
+ sprintf(wrk+strlen(wrk), "%d ", xc[i]);
+ } else if (strcmp(event,"reques") == 0) {
+ sprintf(wrk, "<%d> %lf %s ", index_, NOW, event);
+ for(int i=0; i<active_node_; i++ )
+ sprintf(wrk+strlen(wrk),"%d ",requestv_[i]);
+ } else if (strcmp(event,"nxt") == 0) {
+ static int *xs = new int[active_node_];
+ for(int i=0; i<active_node_; i++)
+ xs[i] = 0;
+ sprintf(wrk, "<%d> %lf %sslt ", index_, NOW, event);
+ for(int i=0; i<max_slot_num_; i++ )
+ if (allocator_->schedule_nxt_[i] == SLOT_UNALLOC)
+ sprintf(wrk+strlen(wrk), "[N]");
+ else{
+ sprintf(wrk+strlen(wrk), "[%d]", allocator_->schedule_nxt_[i]);
+ xs[allocator_->schedule_nxt_[i]]++;
+ }
+ sprintf(wrk+strlen(wrk), "\n<%d> %lf %sall ", index_, NOW, event);
+ for(int i=0; i<active_node_; i++)
+ sprintf(wrk+strlen(wrk), "%d ", xs[i]);
+ } else if (strcmp(event,"req") == 0) {
+ static double *prev = new double[active_node_];
+ static int *prevb = new int [active_node_];
+ static int flg = 0;
+ //
+
+ if (!flg) {
+ for(int i=0; i<active_node_; i++){
+ prev[i] = 0.0;
+ prevb[i] = 0;
+ }
+ flg = 1;
+ }
+
+ int queue;
+
+ double dt = 0;
+ double db = 0;
+
+ dt = NOW - prev[index_];
+
+
+ db = 8*((int)requester_->qMon_->barrivals() -
+ (int)requester_->qMon_->bdrops()-prevb[index_]);
+
+ prevb[index_] = (int)requester_->qMon_->barrivals() -
+ (int)requester_->qMon_->bdrops();
+
+ queue = (int)requester_->qMon_->barrivals() -
+ (int)requester_->qMon_->bdepartures() -
+ (int)requester_->qMon_->bdrops();
+
+
+ sprintf(wrk, "<%d> %lf reqpar %d %lf", index_, NOW,
+ queue,db/dt);
+
+ prev[index_] = NOW;
+
+ } else
+ sprintf(wrk, "<%d> %lf %s %d", index_, NOW, event, val);
+ }
+
+ et_->trace();
+}
+
/* ======================================================================
Packet Headers Routines
====================================================================== */
+
int MacTdma::hdr_dst(char* hdr, int dst )
{
+
struct hdr_mac_tdma *dh = (struct hdr_mac_tdma*) hdr;
if(dst > -2)
STORE4BYTE(&dst, (dh->dh_da));
@@ -282,6 +434,7 @@
int MacTdma::hdr_src(char* hdr, int src )
{
+
struct hdr_mac_tdma *dh = (struct hdr_mac_tdma*) hdr;
if(src > -2)
STORE4BYTE(&src, (dh->dh_sa));
@@ -306,85 +459,103 @@
return 1;
}
-/* Do the slot re-scheduling:
- The idea of postphone the slot scheduling for one slot time may be useful.
-*/
+/* Do slot re-scheduling */
void MacTdma::re_schedule() {
- static int slot_pointer = 0;
- // Record the start time of the new schedule.
- start_time_ = NOW;
- /* Seperate slot_num_ and the node id:
- we may have flexibility as node number changes.
- */
- slot_num_ = slot_pointer++;
- tdma_schedule_[slot_num_] = (char) index_;
+
+ /* make the requests */
+ if (frame_ == 0 && requester_) {
+ trace_event("req",slot_num_);
+ requester_->dorequest();
+ }
+
+ frame_ = (frame_ + 1) % num_frame_;
+
+ /* apply next schedule */
+ for(int i=0; i<max_slot_num_; i++)
+ tdma_schedule_[i] = tdma_schedule_nxt_[i];
+}
+
+/* Do slot re-allocation */
+void MacTdma::re_allocate() {
+
+ num_requests_++;
+
+ // printf("%lf %d %d\n", NOW, num_requests_, slot_num_);
+
+ if (num_requests_ < active_node_)
+ return;
+
+ if (allocator_)
+ allocator_->allocation();
+
+ trace_event("cur",0);
+
+ num_requests_ = 0;
}
/* To handle incoming packet. */
void MacTdma::recv(Packet* p, Handler* h) {
struct hdr_cmn *ch = HDR_CMN(p);
+ u_int32_t dst;
+ struct hdr_mac_tdma* dh;
+
/* Incoming packets from phy layer, send UP to ll layer.
Now, it is in receiving mode.
*/
if (ch->direction() == hdr_cmn::UP) {
+
+ dh = HDR_MAC_TDMA(p);
+ dst = ETHER_ADDR(dh->dh_da);
+
// Since we can't really turn the radio off at lower level,
- // we just discard the packet.
- if (!radio_active_) {
- free(p);
- //printf("<%d>, %f, I am sleeping...\n", index_, NOW);
+ // we just discard the packet when is not directed to us
+ // or is broadcast
+ if (dst != (u_int32_t) index_ && dst != MAC_BROADCAST) {
+ Packet::free(p);
return;
}
sendUp(p);
- //printf("<%d> packet recved: %d\n", index_, tdma_pr_++);
return;
+
}
-
+
/* Packets coming down from ll layer (from ifq actually),
send them to phy layer.
Now, it is in transmitting mode. */
- callback_ = h;
+
+ callback_ = h;
state(MAC_SEND);
sendDown(p);
- //printf("<%d> packet sent down: %d\n", index_, tdma_ps_++);
+
}
void MacTdma::sendUp(Packet* p)
{
- struct hdr_cmn *ch = HDR_CMN(p);
-
- /* Can't receive while transmitting. Should not happen...?*/
- if (tx_state_ && ch->error() == 0) {
- printf("<%d>, can't receive while transmitting!\n", index_);
- ch->error() = 1;
- };
/* Detect if there is any collision happened. should not happen...?*/
if (rx_state_ == MAC_IDLE) {
SET_RX_STATE(MAC_RECV); // Change the state to recv.
pktRx_ = p; // Save the packet for timer reference.
- /* Schedule the reception of this packet,
- since we just see the packet header. */
- double rtime = TX_Time(p);
- assert(rtime >= 0);
-
/* Start the timer for receiving, will end when receiving finishes. */
- mhRxPkt_.start(p, rtime);
+ mhRxPkt_.start(p, 0);
} else {
/* Note: we don't take the channel status into account,
as collision should not happen...
*/
printf("<%d>, receiving, but the channel is not idle....???\n", index_);
}
+
}
/* Actually receive data packet when RxPktTimer times out. */
void MacTdma::recvDATA(Packet *p){
+
/*Adjust the MAC packet size: strip off the mac header.*/
struct hdr_cmn *ch = HDR_CMN(p);
- ch->size() -= ETHER_HDR_LEN;
+ // ch->size() -= ETHER_HDR_LEN;
ch->num_forwards() += 1;
/* Pass the packet up to the link-layer.*/
@@ -395,17 +566,20 @@
Need to calculate a certain time slot for transmission. */
void MacTdma::sendDown(Packet* p) {
u_int32_t dst, src, size;
-
+
+ int send_byte;
+
struct hdr_cmn* ch = HDR_CMN(p);
struct hdr_mac_tdma* dh = HDR_MAC_TDMA(p);
/* Update the MAC header, same as 802.11 */
- ch->size() += ETHER_HDR_LEN;
+ // ch->size() += ETHER_HDR_LEN;
+
dh->dh_fc.fc_protocol_version = MAC_ProtocolVersion;
dh->dh_fc.fc_type = MAC_Type_Data;
dh->dh_fc.fc_subtype = MAC_Subtype_Data;
-
+
dh->dh_fc.fc_to_ds = 0;
dh->dh_fc.fc_from_ds = 0;
dh->dh_fc.fc_more_frag = 0;
@@ -424,8 +598,30 @@
src = ETHER_ADDR(dh->dh_sa);
size = ch->size();
+
+ if (pktTx_ != NULL)
+ printf("<%d> warning: buffer is NOT empty\n",index_);
+
+
/* buffer the packet to be sent. */
pktTx_ = p;
+
+ /* initialize the residue to whole packet length */
+ residue_ = (HDR_CMN(pktTx_))->size();
+ // printf("residue = %d\n",residue_);
+
+ if (slot_count_ >= 0 && tdma_schedule_[slot_count_] == slot_num_ && is_idle()){
+ send_byte = slot_packet_len_-int((NOW - slot_start_time_)*bandwidth_/8.0);
+ if (residue_ <= send_byte) {
+ /* the packet can be sent immediately since is my turn,
+ * the MAC is idle and enough space is in slot*/
+ tdma_preamble_[slot_count_] = (char) dst;
+ send();
+ residue_ = 0;
+ return;
+ }
+ residue_ -= send_byte;
+ }
}
/* Actually send the packet. */
@@ -457,7 +653,7 @@
dst = ETHER_ADDR(dh->dh_da);
src = ETHER_ADDR(dh->dh_sa);
size = ch->size();
- stime = TX_Time(pktTx_);
+ stime = TX_Time();
ch->txtime() = stime;
/* Turn on the radio and transmit! */
@@ -466,6 +662,7 @@
/* Start a timer that expires when the packet transmission is complete. */
mhTxPkt_.start(pktTx_->copy(), stime);
+
downtarget_->recv(pktTx_, this);
pktTx_ = 0;
@@ -509,10 +706,10 @@
dh = HDR_MAC_TDMA(pktTx_);
dst = ETHER_ADDR(dh->dh_da);
//printf("<%d>, %f, write %d to slot %d in preamble\n", index_, NOW, dst, slot_num_);
- tdma_preamble_[slot_num_] = dst;
+ tdma_preamble_[slot_count_] = dst;
} else {
//printf("<%d>, %f, write NO_PKT to slot %d in preamble\n", index_, NOW, slot_num_);
- tdma_preamble_[slot_num_] = NOTHING_TO_SEND;
+ tdma_preamble_[slot_count_] = NOTHING_TO_SEND;
}
}
@@ -527,49 +724,64 @@
// Restart timer for next slot.
mhSlot_.start((Packet *)e, slot_time_);
- // Make a new presamble for next frame.
- if ((slot_count_ == active_node_) || (slot_count_ == FIRST_ROUND)) {
- //printf("<%d>, %f, make the new preamble now.\n", index_, NOW);
+ slot_count_++;
+
+ // Make the new preamble for next frame.
+ if ((slot_count_ == max_slot_num_) || (slot_count_ == FIRST_ROUND)) {
+
+ /* call the requester at the beginning of frame */
+ re_schedule();
+
+ /* call the allocator at the beginning of frame */
+ re_allocate();
+
// We should turn the radio on for the whole slot time.
radioSwitch(ON);
- makePreamble();
- slot_count_ = 0;
+ slot_count_ = -1;
return;
}
// If it is the sending slot for me.
- if (slot_count_ == slot_num_) {
- //printf("<%d>, %f, time to send.\n", index_, NOW);
- // We have to check the preamble first to avoid the packets coming in the middle.
- if (tdma_preamble_[slot_num_] != NOTHING_TO_SEND)
- send();
- else
- radioSwitch(OFF);
+ if (tdma_schedule_[slot_count_] == slot_num_) {
+
+ slot_start_time_ = NOW;
+
+ if (residue_ <= slot_packet_len_) {
+
+ /* the packet can be sent immediately since is my turn,
+ * the MAC is idle and enough space is in slot*/
+ makePreamble();
+
+ if (tdma_preamble_[slot_count_] != NOTHING_TO_SEND)
+ send();
+ else
+ radioSwitch(OFF);
- slot_count_++;
+ residue_ = 0;
+ return;
+ }
+ residue_ -= slot_packet_len_;
return;
}
-
+
// If I am supposed to listen in this slot
- if ((tdma_preamble_[slot_count_] == index_) || ((u_int32_t)tdma_preamble_[slot_count_] == MAC_BROADCAST)) {
- //printf("<%d>, %f, preamble[%d]=%d, I am supposed to receive now.\n", index_, NOW, slot_count_, tdma_preamble_[slot_count_]);
- slot_count_++;
+ if ((tdma_preamble_[slot_count_] == index_) ||
+ ((u_int32_t)tdma_preamble_[slot_count_] == MAC_BROADCAST)) {
// Wake up the receive packets.
radioSwitch(ON);
return;
}
-
+
// If I dont send / recv, do nothing.
- //printf("<%d>, %f, preamble[%d]=%d, nothing to do now.\n", index_, NOW, slot_count_, tdma_preamble_[slot_count_]);
radioSwitch(OFF);
- slot_count_++;
return;
}
void MacTdma::recvHandler(Event *e)
{
+
u_int32_t dst, src;
int size;
struct hdr_cmn *ch = HDR_CMN(pktRx_);
@@ -605,20 +817,22 @@
/* After transmission a certain packet. Turn off the radio. */
void MacTdma::sendHandler(Event *e)
{
- // printf("<%d>, %f, send a packet finished.\n", index_, NOW);
-
+
/* Once transmission is complete, drop the packet.
p is just for schedule a event. */
- SET_TX_STATE(MAC_IDLE);
Packet::free((Packet *)e);
-
- // Turn off the radio after sending the whole packet
- radioSwitch(OFF);
-
+
/* unlock IFQ. */
+ SET_TX_STATE(MAC_IDLE);
+
if(callback_) {
Handler *h = callback_;
callback_ = 0;
h->handle((Event*) 0);
- }
+ }
+
+ /* Turn off the radio after sending the whole packet */
+ radioSwitch(OFF);
}
+
+
--- ns-allinone-2.32.bak/ns-2.32/Makefile.in 2008-04-15 17:40:01.000000000 +1000
+++ ns-allinone-2.32/ns-2.32/Makefile.in 2008-04-15 17:43:11.000000000 +1000
@@ -232,7 +232,7 @@
common/Decapsulator.o common/Encapsulator.o \
common/encap.o \
mac/channel.o mac/mac.o mac/ll.o mac/mac-802_11.o \
- mac/mac-802_3.o mac/mac-tdma.o mac/smac.o \
+ mac/mac-802_3.o mac/mac-tdma.o mac/smac.o mac/mac-bod.o \
mobile/mip.o mobile/mip-reg.o mobile/gridkeeper.o \
mobile/propagation.o mobile/tworayground.o \
mobile/antenna.o mobile/omni-antenna.o \
--- ns-allinone-2.32.bak/ns-2.32/tcl/lib/ns-default.tcl 2008-04-15 17:40:05.000000000 +1000
+++ ns-allinone-2.32/ns-2.32/tcl/lib/ns-default.tcl 2008-04-15 17:43:11.000000000 +1000
@@ -654,7 +654,9 @@
God set debug_ false
Mac/Tdma set slot_packet_len_ 1500
-Mac/Tdma set max_node_num_ 64
+Mac/Tdma set num_frame_ 1
+Mac/Tdma set max_slot_num_ 64
+Mac/Tdma set dump_alloc_ 0
LL set mindelay_ 50us
LL set delay_ 25us
--- ns-allinone-2.32.bak/ns-2.32/tcl/lib/ns-sat.tcl 2008-04-15 17:40:05.000000000 +1000
+++ ns-allinone-2.32/ns-2.32/tcl/lib/ns-sat.tcl 2008-04-15 17:43:11.000000000 +1000
@@ -689,22 +689,21 @@
set toNode_ -1
set enqT_($index_) [$ns create-trace Sat/Enque $f $fromNode_ $toNode_]
- $enqT_($index_) target $ifq_($index_)
+ $enqT_($index_) target [$ll_($index_) down-target]
$ll_($index_) down-target $enqT_($index_)
set deqT_($index_) [$ns create-trace Sat/Deque $f $fromNode_ $toNode_]
- $deqT_($index_) target $mac_($index_)
+ $deqT_($index_) target [$ifq_($index_) target]
$ifq_($index_) target $deqT_($index_)
set drpT_($index_) [$ns create-trace Sat/Drop $f $fromNode_ $toNode_]
$drpT_($index_) target [$drophead_($index_) target]
$drophead_($index_) target $drpT_($index_)
- $ifq_($index_) drop-target $drpT_($index_)
}
# Trace element between mac and ll tracing packets between node and node
Node/SatNode instproc trace-inlink-queue {f {index_ 0} } {
- $self instvar id_ rcvT_ mac_ ll_ phy_rx_ em_ errT_
+ $self instvar id_ rcvT_ mac_ ll_ phy_rx_ em_ errT_
set ns [Simulator instance]
set toNode_ $id_
@@ -725,9 +724,92 @@
$rcvT_($index_) target [$mac_($index_) up-target]
$mac_($index_) up-target $rcvT_($index_)
}
-
}
+Node/SatNode instproc insert-monitor { {index_ 0}} {
+ $self instvar qMonitor_ snoopIn_ snoopOut_ snoopDrop_
+ $self instvar ll_ ifq_ drophead_ bytesInt_ pktsInt_ requester_
+
+ set snoopIn_($index_) [new SnoopQueue/In]
+ set snoopOut_($index_) [new SnoopQueue/Out]
+ set snoopDrop_($index_) [new SnoopQueue/Drop]
+
+ $snoopIn_($index_) target [$ll_($index_) down-target]
+ $ll_($index_) down-target $snoopIn_($index_)
+
+ $snoopOut_($index_) target [$ifq_($index_) target]
+ $ifq_($index_) target $snoopOut_($index_)
+
+ $snoopDrop_($index_) target [$drophead_($index_) target]
+ $drophead_($index_) target $snoopDrop_($index_)
+
+ set bytesInt_($index_) [new Integrator]
+ $qMonitor_($index_) set-bytes-integrator $bytesInt_($index_)
+
+ set pktsInt_($index_) [new Integrator]
+ $qMonitor_($index_) set-pkts-integrator $pktsInt_($index_)
+
+ $requester_ set qMonitor_ $qMonitor_($index_)
+
+ $snoopIn_($index_) set-monitor $qMonitor_($index_)
+ $snoopOut_($index_) set-monitor $qMonitor_($index_)
+ $snoopDrop_($index_) set-monitor $qMonitor_($index_)
+}
+
+
+Node/SatNode instproc install-requester { type {index_ 0} } {
+ $self instvar mac_ requester_ ifq_ qMonitor_ id_
+
+ set qMonitor_($index_) [new QueueMonitor]
+ if {[info exist mac_($index_)]} {
+ set requester_ [new $type]
+ $requester_ attach $mac_($index_)
+ $requester_ setifq $ifq_($index_)
+ $requester_ set ifq_ $ifq_($index_)
+ $requester_ set id_ $id_
+ $requester_ set node_ $self
+ $self insert-monitor $index_
+ }
+ $requester_ setmon $qMonitor_($index_)
+ return $requester_
+}
+
+Node/SatNode instproc install-allocator {type {index_ 0} } {
+ $self instvar mac_ allocator_
+ if {[info exist mac_($index_)]} {
+ set allocator_ [new $type]
+ $allocator_ attach $mac_($index_)
+ }
+ return $allocator_
+}
+
+Node/SatNode instproc trace-event { filedes {index_ 0}} {
+ $self instvar mac_ et_
+ if {[info exist mac_($index_)]} {
+ set et_ [new BaseTrace/Event]
+ $et_ attach $filedes
+ $mac_($index_) eventtrace $et_
+ }
+ return $et_
+}
+
+Allocator/Tcl instproc initvar { } {
+ # nothing
+}
+
+Allocator/Tcl instproc allocation { } {
+ puts stderr "warning: allocation function undefined"
+ exit
+}
+
+Requester/Tcl instproc initvar { } {
+ #nothing
+}
+
+Requester/Tcl instproc dorequest { } {
+ puts stderr "warning: dorequest function undefined"
+ exit
+}
###########
# TRACE MODIFICATIONS
@@ -804,3 +886,15 @@
Agent/SatRoute set myaddr_ 0 ;# My address
Mac/Sat set bandwidth_ 2Mb
+Allocator/Proportional set delay_ 1.6
+Allocator/Proportional set active_node_ 0
+Allocator/Proportional set max_slot_num_ 64
+
+Allocator/Tcl set delay_ 1.6
+Allocator/Tcl set active_node_ 0
+Allocator/Tcl set max_slot_num_ 64
+
+Requester/Constant set request_ 1;
+Requester/RBDC set request_ 1;
+Requester/VBDC set request_ 1;
+Requester/Tcl set request_ 1;
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