protected GISReply requestToGIS() {
int SIZE = 500;
double evsend_time = 0;
GISRequest request = new GISRequest(this.get_id(), this.get_id());
int requestID = request.getRequestID();
int reqrepID = request.getReqrepID();
super.send(
super.output,
GridSimTags.SCHEDULE_NOW,
Tags.GIS_REQUEST,
new IO_data(request, SIZE, super.getEntityId("GISService")));
evsend_time = GridSim.clock();
String msg =
String.format("%1$f %2$d %3$s --> GAP GIS_REQUEST", evsend_time, reqrepID, this.get_name());
this.write(msg);
Sim_event ev = new Sim_event();
Predicate predicate = new Predicate(Tags.GIS_REPLY);
super.sim_get_next(predicate, ev); // only look for this type of ack
GISReply reply = GISReply.get_data(ev);
Assert.assertEquals(requestID, reply.getRequestID());
Assert.assertEquals(Tags.GIS_REQUEST, reply.getRequestTAG());
Assert.assertEquals(Tags.GIS_REPLY, ev.get_tag());
double evrecv_time = GridSim.clock();
msg =
String.format(
"%1$f %2$d %3$s <-- GAP GIS_REPLY\n",
evrecv_time, reqrepID, this.get_name(), reply.getGIS());
this.write(msg);
return reply;
}
public AgentReply hasGridletsAgent(AgentRequest request, boolean trace) {
int requestID = request.getRequestID();
int reqrepID = request.getReqrepID();
double evsend_time = 0;
int agentType = request.getDst_entityType();
int SIZE = 500;
super.send(
super.output,
GridSimTags.SCHEDULE_NOW,
Tags.HASGRIDLETS_REQUEST,
new IO_data(request, SIZE, request.getDst_agentID()));
evsend_time = GridSim.clock();
String msg =
String.format(
"%1$f %2$d %3$s --> AM_%4$s::HASGRIDLETS_REQUEST %6$s (%7$s AID %9$d) %5$s AM_%8$s",
evsend_time,
reqrepID,
this.get_name(),
super.getEntityName(request.getDst_resID()),
EntityTypes.toString(request.getDst_entityType()),
Tags.toString(Tags.HASGRIDLETS_REQUEST),
super.getEntityName(request.getDst_agentID()),
super.getEntityName(request.getDst_moveToresID()),
request.getDst_AID());
if (trace) {
this.write(msg);
}
Sim_type_p ptag = new Sim_type_p(Tags.HASGRIDLETS_REPLY);
Sim_event ev = new Sim_event();
super.sim_get_next(ptag, ev); // only look for this type of ack
AgentReply agentReply = AgentReply.get_data(ev);
if (agentReply == null) {
Assert.fail();
}
Assert.assertEquals(requestID, agentReply.getRequestID());
Assert.assertEquals(Tags.HASGRIDLETS_REQUEST, agentReply.getRequestTAG());
Assert.assertEquals(ev.get_tag(), Tags.HASGRIDLETS_REPLY);
double evrecv_time = GridSim.clock();
msg =
String.format(
"%1$f %2$d %3$s <-- AM_%4$s::%7$s %8$s (%6$s AID %10$d) %5$s AM_%9$s",
evrecv_time,
reqrepID,
this.get_name(),
super.getEntityName(agentReply.getRequest().getDst_resID()),
EntityTypes.toString(agentType),
super.getEntityName(request.getDst_agentID()),
agentReply.isOk(),
Tags.toString(Tags.HASGRIDLETS_REPLY),
super.getEntityName(request.getDst_moveToresID()),
request.getDst_AID());
if (trace) {
this.write(msg);
}
return agentReply;
}
public GridletReply askGridletStatusToAgent(int dst_agentID, int dst_resID, Gridlet gridlet) {
GridletRequest request =
new GridletRequest(this.get_id(), this.get_id(), dst_agentID, dst_resID, gridlet);
int requestID = request.getRequestID();
int reqrepID = request.getReqrepID();
super.send(
super.output,
GridSimTags.SCHEDULE_NOW,
Tags.GRIDLET_STATUS_REQ,
new IO_data(request, gridlet.getGridletFileSize(), request.getDst_agentID()));
Sim_type_p ptag = new Sim_type_p(Tags.GRIDLET_STATUS_REP);
Sim_event ev = new Sim_event();
super.sim_get_next(ptag, ev); // only look for this type of ack
GridletReply gridletReply = GridletReply.get_data(ev);
Assert.assertEquals(requestID, gridletReply.getRequestID());
Assert.assertEquals(Tags.GRIDLET_STATUS_REQ, gridletReply.getRequestTAG());
Assert.assertEquals(Tags.GRIDLET_STATUS_REP, ev.get_tag());
double evrecv_time = GridSim.clock();
String msg =
String.format(
"%1$f %2$d %3$s <-- GOT GRIDLET_STATUS_REP for Gridlet %4$d of Gridlet %5$d with status %6$d",
evrecv_time,
reqrepID,
this.get_name(),
gridletReply.getReceivedGridlet().getGridletID(),
gridletReply.getRequest().getGridlet().getGridletID(),
gridletReply.getRequest().getGridlet().getGridletStatus());
this.write(msg);
return gridletReply;
}
public AgentReply testTestService() {
double evsend_time = 0;
int SIZE = 500;
AgentRequest request = null;
request =
new AgentRequest(
this.get_id(),
this.get_id(),
null,
this.getVirtualOrganization().getPlatform().getGridElement().get_id(),
Sim_system.get_entity_id("TestService"),
EntityTypes.AGENT_ZOMBIE,
SIZE,
this.getVirtualOrganization().getPlatform().getGridElement().get_id(),
EntityTypes.NOBODY);
int requestID = request.getRequestID();
int reqrepID = request.getReqrepID();
super.send(
super.output,
GridSimTags.SCHEDULE_NOW,
Tags.TEST_SERVICE_REQ,
new IO_data(request, SIZE, Sim_system.get_entity_id("TestService")));
evsend_time = GridSim.clock();
String msg =
String.format(
"%1$f %2$d %3$s --> %4$s", evsend_time, reqrepID, this.get_name(), "TestService");
this.write(msg);
Sim_type_p ptag = new Sim_type_p(Tags.TEST_SERVICE_REP);
Sim_event ev = new Sim_event();
super.sim_get_next(ptag, ev); // only look for this type of ack
AgentReply reply = AgentReply.get_data(ev);
Assert.assertEquals(requestID, reply.getRequestID());
Assert.assertEquals(Tags.TEST_SERVICE_REQ, reply.getRequestTAG());
Assert.assertEquals(Tags.TEST_SERVICE_REP, ev.get_tag());
double evrecv_time = GridSim.clock();
msg =
String.format(
"%1$f %2$d %3$s <-- %4$s", evrecv_time, reqrepID, this.get_name(), "TestService");
this.write(msg);
return reply;
}
protected DataGIS createDataGIS() throws Exception {
DataGIS gis = null;
// set the GIS into DataGIS that handles specifically for data grid
// scenarios
gis = new DataGIS("DataGIS", 1000000000.0);
GridSim.setGIS(gis);
return gis;
}
protected ServicesListReply requestServicesList() {
int SIZE = 500;
double evsend_time = 0;
ServicesListRequest request = new ServicesListRequest(this.get_id(), this.get_id());
int requestID = request.getRequestID();
int reqrepID = request.getReqrepID();
super.send(
super.output,
GridSimTags.SCHEDULE_NOW,
Tags.AP_SERVICES_LIST_REQ,
new IO_data(request, SIZE, this.getVirtualOrganization().getPlatform().get_id()));
evsend_time = GridSim.clock();
String msg =
String.format(
"%1$f %2$d %3$s --> %4$s SERVICES_LIST_REQUEST",
evsend_time,
reqrepID,
this.get_name(),
this.getVirtualOrganization().getPlatform().get_name());
this.write(msg);
Sim_event ev = new Sim_event();
Predicate predicate = new Predicate(Tags.AP_SERVICES_LIST_REP);
super.sim_get_next(predicate, ev); // only look for this type of ack
ServicesListReply reply = ServicesListReply.get_data(ev);
Assert.assertEquals(requestID, reply.getRequestID());
Assert.assertEquals(Tags.AP_SERVICES_LIST_REQ, reply.getRequestTAG());
Assert.assertEquals(Tags.AP_SERVICES_LIST_REP, ev.get_tag());
double evrecv_time = GridSim.clock();
msg =
String.format(
"%1$f %2$d %3$s <-- %4$s SERVICES_LIST_REPLY %5$s",
evrecv_time,
reqrepID,
this.get_name(),
this.getVirtualOrganization().getPlatform().get_name(),
reply.getServicesList());
this.write(msg);
return reply;
}
protected PingReply requestPing(int src_id, int dst_id) {
int SIZE = 500;
double evsend_time = 0;
PingRequest request = new PingRequest(this.get_id(), this.get_id(), src_id, dst_id);
int requestID = request.getRequestID();
int reqrepID = request.getReqrepID();
super.send(
super.output, GridSimTags.SCHEDULE_NOW, Tags.PING_REQ, new IO_data(request, SIZE, src_id));
evsend_time = GridSim.clock();
String msg =
String.format(
"%1$f %2$d %3$s --> AM_%4$s PING_REQUEST AM_%5$s",
evsend_time,
reqrepID,
this.get_name(),
super.getEntityName(src_id),
super.getEntityName(dst_id));
this.write(msg);
Sim_event ev = new Sim_event();
Predicate predicate = new Predicate(Tags.PING_REP);
super.sim_get_next(predicate, ev); // only look for this type of ack
PingReply reply = PingReply.get_data(ev);
Assert.assertEquals(requestID, reply.getRequestID());
Assert.assertEquals(Tags.PING_REQ, reply.getRequestTAG());
Assert.assertEquals(Tags.PING_REP, ev.get_tag());
double evrecv_time = GridSim.clock();
msg =
String.format(
"%1$f %2$d %3$s <-- AM_%4$s PING_REQUEST AM_%5$s",
evrecv_time,
reqrepID,
this.get_name(),
super.getEntityName(src_id),
super.getEntityName(dst_id));
this.write(msg);
return reply;
}
/**
* Finalises all relevant information before <tt>exiting</tt> the GridResource entity. This method
* sets the final data of:
*
* <ul>
* <li>wall clock time, i.e. the time of this Gridlet resides in a GridResource (from arrival
* time until departure time).
* <li>actual CPU time, i.e. the total execution time of this Gridlet in a GridResource.
* <li>Gridlet's finished so far
* </ul>
*
* @pre $none
* @post $none
*/
public void finalizeGridlet() {
// Sets the wall clock time and actual CPU time
double wallClockTime = GridSim.clock() - arrivalTime;
gridlet.setExecParam(wallClockTime, totalCompletionTime);
double finished = 0;
if (gridlet.getGridletLength() < finishedSoFar) {
finished = gridlet.getGridletLength();
} else {
finished = finishedSoFar;
}
gridlet.setGridletFinishedSoFar(finished);
}
/** Reads jobs from data_set file and sends them to the Scheduler entity dynamically over time. */
public void body() {
super.gridSimHold(10.0); // hold by 10 second
while (current_gl < total_jobs) {
Sim_event ev = new Sim_event();
sim_get_next(ev);
if (ev.get_tag() == AleaSimTags.EVENT_WAKE) {
ComplexGridlet gl = readGridlet(current_gl);
current_gl++;
if (gl == null && current_gl < total_jobs) {
super.sim_schedule(this.getEntityId(this.getEntityName()), 0.0, AleaSimTags.EVENT_WAKE);
continue;
} else if (gl == null && current_gl >= total_jobs) {
continue;
}
// to synchronize job arrival wrt. the data set.
double delay = Math.max(0.0, (gl.getArrival_time() - super.clock()));
// some time is needed to transfer this job to the scheduler, i.e., delay should be delay =
// delay - transfer_time. Fix this in the future.
// System.out.println("Sending: "+gl.getGridletID());
last_delay = delay;
super.sim_schedule(
this.getEntityId("Alea_3.0_scheduler"), delay, AleaSimTags.GRIDLET_INFO, gl);
delay = Math.max(0.0, (gl.getArrival_time() - super.clock()));
if (current_gl < total_jobs) {
// use delay - next job will be loaded after the simulation time is equal to the previous
// job arrival.
super.sim_schedule(this.getEntityId(this.getEntityName()), delay, AleaSimTags.EVENT_WAKE);
}
continue;
}
}
System.out.println("Shuting down - last gridlet = " + current_gl + " of " + total_jobs);
super.sim_schedule(
this.getEntityId("Alea_3.0_scheduler"),
Math.round(last_delay + 2),
AleaSimTags.SUBMISSION_DONE,
new Integer(current_gl));
Sim_event ev = new Sim_event();
sim_get_next(ev);
if (ev.get_tag() == GridSimTags.END_OF_SIMULATION) {
System.out.println(
"Shuting down the "
+ data_set
+ "_PWALoader... with: "
+ fail
+ " failed or skipped jobs");
}
shutdownUserEntity();
super.terminateIOEntities();
}
/**
* Sets the Gridlet status.
*
* @param status the Gridlet status
* @return <code>true</code> if the new status has been set, <code>false</code> otherwise
* @pre status >= 0
* @post $none
*/
public boolean setStatus(int status) {
// gets Gridlet's previous status
int prevStatus = gridlet.getGridletStatus();
// if the status of a Gridlet is the same as last time, then ignore
if (prevStatus == status) {
return false;
}
boolean success = true;
try {
double clock = GridSim.clock(); // gets the current clock
// sets Gridlet's current status
try {
gridlet.setGridletStatus(status);
} catch (Exception e) {
// It should not happen
}
// if a previous Gridlet status is INEXEC
if (prevStatus == Gridlet.INEXEC) {
// and current status is either CANCELED, PAUSED or SUCCESS
if (status == Gridlet.CANCELED || status == Gridlet.PAUSED || status == Gridlet.SUCCESS) {
// then update the Gridlet completion time
totalCompletionTime += (clock - startExecTime);
return true;
}
}
if (prevStatus == Gridlet.RESUMED && status == Gridlet.SUCCESS) {
// then update the Gridlet completion time
totalCompletionTime += (clock - startExecTime);
return true;
}
// if a Gridlet is now in execution
if (status == Gridlet.INEXEC || (prevStatus == Gridlet.PAUSED && status == Gridlet.RESUMED)) {
startExecTime = clock;
gridlet.setExecStartTime(startExecTime);
}
} catch (IllegalArgumentException e) {
success = false;
}
return success;
}
public GridletReply submitGridletToAgent(int dst_agentID, int dst_resID, Gridlet gridlet) {
GridletRequest request =
new GridletRequest(this.get_id(), this.get_id(), dst_agentID, dst_resID, gridlet);
int requestID = request.getRequestID();
int reqrepID = request.getReqrepID();
super.send(
super.output,
GridSimTags.SCHEDULE_NOW,
Tags.GRIDLET_SUBMIT_REQ,
new IO_data(request, gridlet.getGridletFileSize(), request.getDst_agentID()));
Sim_type_p ptag = new Sim_type_p(Tags.GRIDLET_SUBMIT_REP);
Sim_event ev = new Sim_event();
super.sim_get_next(ptag, ev); // only look for this type of ack
GridletReply reply = GridletReply.get_data(ev);
Assert.assertEquals(requestID, reply.getRequestID());
Assert.assertEquals(Tags.GRIDLET_SUBMIT_REQ, reply.getRequestTAG());
Assert.assertEquals(Tags.GRIDLET_SUBMIT_REP, ev.get_tag());
double evrecv_time = GridSim.clock();
if (reply.isOk()) {
String msg =
String.format(
"%1$f %2$d %3$s <-- GOT GRIDLET_REPLY for Gridlet %4$d of Gridlet %5$d with result TRUE on AM_%6$s",
evrecv_time,
reqrepID,
this.get_name(),
reply.getReceivedGridlet().getGridletID(),
reply.getRequest().getGridlet().getGridletID(),
super.getEntityName(reply.getRequest().getDst_resID()));
this.write(msg);
} else {
String msg =
String.format(
"%1$f %2$d %3$s <-- GOT GRIDLET_REPLY for Gridlet %4$d of Gridlet %5$d with result FALSE on AM_%6$s",
evrecv_time,
reqrepID,
this.get_name(),
reply.getReceivedGridlet().getGridletID(),
reply.getRequest().getGridlet().getGridletID(),
super.getEntityName(reply.getRequest().getDst_resID()));
this.write(msg);
}
return reply;
}
/*
* Initialises all local attributes
* @pre $none
* @post $none
*/
private void init() {
this.arrivalTime = GridSim.clock();
this.gridlet.setSubmissionTime(arrivalTime);
// default values
this.actualFinishTime = NOT_FOUND; // Cannot finish in this hourly slot.
this.expectedFinishTime = NOT_FOUND;
this.startTime = NOT_FOUND;
this.totalCompletionTime = 0L;
this.startExecTime = 0L;
this.partition = NOT_FOUND;
this.priority = NOT_FOUND;
// In case a Gridlet has been executed partially by some other grid
// resources.
this.finishedSoFar = gridlet.getGridletFinishedSoFar();
}
/**
* Simple Local Search optimization. Avg. start time, avg. wait time and avg. slowdown are used as
* decision maker. Jobs are moved to gaps.
*/
@Override
public void execute(int rounds, int time_limit) {
// System.out.println(GridSim.clock() + ": executing Gap Search...");
rounds = rounds * ExperimentSetup.multiplicator;
time_limit = time_limit * ExperimentSetup.multiplicator;
double current_time = GridSim.clock();
Date dd = new Date();
long start = dd.getTime();
// empty schedule cannot be optimized
if (Scheduler.getScheduleSize() > 1) {
for (int i = 0; i < rounds; i++) {
double previous_resp = CommonObjectives.predictAvgResponseTime(current_time);
double previous_fair = CommonObjectives.predictFairness(current_time);
double previous_wait = CommonObjectives.predictAvgWaitTime(current_time);
double previous_sd = CommonObjectives.predictAvgSlowdown(current_time);
int index_prev = findRandonResource();
ResourceInfo prev_res = (ResourceInfo) Scheduler.resourceInfoList.get(index_prev);
int gridlet_index = findRandomGridletInfo(index_prev);
// this schedule has no gridlets
if (gridlet_index == -1) {
continue;
}
// remove the gridlet and update the resource internal information
GridletInfo gi = (GridletInfo) prev_res.removeGInfoIndex(gridlet_index);
prev_res.update(current_time);
boolean succ = false;
// we will test schedules in random order
int permutation[] = Scheduler.permute(Scheduler.resourceInfoList.size());
for (int j = 0; j < permutation.length; j++) {
ResourceInfo ri = (ResourceInfo) Scheduler.resourceInfoList.get(permutation[j]);
if (!Scheduler.isSuitable(ri, gi)) {
continue;
}
// find new placement for a job
boolean found = ri.findHoleForGridlet(gi);
if (found) {
double new_decision = 0.0;
// double current_usage = predictMachineUsage(current_time);
// double current_start = predictAvgStartTime(current_time);
// double us = Math.max(0.0000000000001, previous_usage);
// double diff_u = (current_usage - previous_usage) / us;
double current_fair = CommonObjectives.predictFairness(current_time);
double fair = Math.max(0.0000000000001, previous_fair);
double diff_fair = (previous_fair - current_fair) / fair;
double current_resp = CommonObjectives.predictAvgResponseTime(current_time);
double rt = Math.max(0.0000000000001, previous_resp);
double diff_rt = (previous_resp - current_resp) / rt;
double current_wait = CommonObjectives.predictAvgWaitTime(current_time);
double wt = Math.max(0.0000000000001, previous_wait);
double diff_wt = (previous_wait - current_wait) / wt;
double current_sd = CommonObjectives.predictAvgSlowdown(current_time);
double sd = Math.max(1.0, previous_sd);
double diff_sd = (previous_sd - current_sd) / sd;
new_decision =
(diff_fair * ExperimentSetup.fair_weight)
+ (diff_rt * 1.0)
+ (diff_wt * 1.0)
+ (diff_sd * 1.0);
if (new_decision <= 0.0) {
/*if (new_decision == 0.0) {
succ_eq++;
} else {
succ_less++;
}*/
ri.removeGInfo(gi);
continue;
} else {
succ = true;
break;
}
}
}
// no better placement was found - return the gridlet to the previous position
// and make another round of LocalSearch
if (!succ) {
prev_res.addGInfo(gridlet_index, gi);
}
Date d_end = new Date();
long is_end = d_end.getTime();
if ((is_end - start) >= time_limit) {
Scheduler.updateResourceInfos(current_time);
return;
}
}
}
Scheduler.updateResourceInfos(current_time);
}
AgentReply requestToAgent(AgentRequest request, int tag) {
int requestID = request.getRequestID();
int reqrepID = request.getReqrepID();
double evsend_time = 0;
int agentType = request.getDst_entityType();
int SIZE;
if (tag == Tags.AGENT_RUN_REQ) {
SIZE = request.getDst_agentSize();
} else {
SIZE = 500;
}
if ((tag == Tags.AGENT_RUN_REQ)
|| (tag == Tags.AGENT_KILL_REQ)
|| (tag == Tags.AGENT_KILLAWAIT_REQ)
|| (tag == Tags.AGENT_PAUSE_REQ)
|| (tag == Tags.AGENT_RESUME_REQ)) {
super.send(
super.output,
GridSimTags.SCHEDULE_NOW,
tag,
new IO_data(request, SIZE, request.getDst_resID()));
} else {
super.send(
super.output,
GridSimTags.SCHEDULE_NOW,
tag,
new IO_data(request, SIZE, request.getDst_agentID()));
}
evsend_time = GridSim.clock();
String msg =
String.format(
"%1$f %2$d %3$s --> AM_%4$s::REQUEST %6$s (%7$s AID %9$d) %5$s AM_%8$s",
evsend_time,
reqrepID,
this.get_name(),
super.getEntityName(request.getDst_resID()),
EntityTypes.toString(request.getDst_entityType()),
Tags.toString(tag),
super.getEntityName(request.getDst_agentID()),
super.getEntityName(request.getDst_moveToresID()),
request.getDst_AID());
this.write(msg);
Sim_type_p ptag = new Sim_type_p(tag + 1);
Sim_event ev = new Sim_event();
super.sim_get_next(ptag, ev); // only look for this type of ack
AgentReply agentReply = AgentReply.get_data(ev);
if (agentReply != null) {
Assert.assertEquals(requestID, agentReply.getRequestID());
Assert.assertEquals(tag, agentReply.getRequestTAG());
Assert.assertEquals(ev.get_tag(), tag + 1);
double evrecv_time = GridSim.clock();
msg =
String.format(
"%1$f %2$d %3$s <-- AM_%4$s::%7$s %8$s (%6$s AID %10$d) %5$s AM_%9$s",
evrecv_time,
reqrepID,
this.get_name(),
super.getEntityName(agentReply.getRequest().getDst_resID()),
EntityTypes.toString(agentType),
super.getEntityName(request.getDst_agentID()),
agentReply.isOk(),
Tags.toString(tag),
super.getEntityName(request.getDst_moveToresID()),
request.getDst_AID());
this.write(msg);
}
return agentReply;
}
/**
* This method returns the current time.
*
* @return the current time.
* @see Profile#currentTime()
*/
protected double currentTime() {
return GridSim.clock();
}
/** The core method that handles communications among GridSim entities. */
public void body() {
// wait for a little while for about 3 seconds.
// This to give a time for GridResource entities to register their
// services to GIS (GridInformationService) entity.
super.gridSimHold(3.0);
LinkedList resList = super.getGridResourceList();
// initialises all the containers
int totalResource = resList.size();
int resourceID[] = new int[totalResource];
String resourceName[] = new String[totalResource];
// a loop to get all the resources available
int i = 0;
for (i = 0; i < totalResource; i++) {
// Resource list contains list of resource IDs
resourceID[i] = ((Integer) resList.get(i)).intValue();
// get their names as well
resourceName[i] = GridSim.getEntityName(resourceID[i]);
}
////////////////////////////////////////////////
// SUBMIT Gridlets
// determines which GridResource to send to
int index = myId_ % totalResource;
if (index >= totalResource) {
index = 0;
}
// sends all the Gridlets
Gridlet gl = null;
boolean success;
for (i = 0; i < list_.size(); i++) {
gl = (Gridlet) list_.get(i);
// For even number of Gridlets, send with an acknowledgement
if (i % 2 == 0) {
success = super.gridletSubmit(gl, resourceID[index], 0.0, true);
System.out.println(
name_
+ ": Sending Gridlet #"
+ gl.getGridletID()
+ " with status = "
+ success
+ " to "
+ resourceName[index]);
}
// For odd number of Gridlets, send without an acknowledgement
else {
success = super.gridletSubmit(gl, resourceID[index], 0.0, false);
System.out.println(
name_
+ ": Sending Gridlet #"
+ gl.getGridletID()
+ " with NO ACK so status = "
+ success
+ " to "
+ resourceName[index]);
}
}
//////////////////////////////////////////
// CANCELING Gridlets
// hold for few period -- 100 seconds
super.gridSimHold(15);
System.out.println("<<<<<<<<< pause for 15 >>>>>>>>>>>");
// a loop that cancels an even number of Gridlet
for (i = 0; i < list_.size(); i++) {
if (i % 2 == 0) {
gl = super.gridletCancel(i, myId_, resourceID[index], 0.0);
System.out.print(name_ + ": Canceling Gridlet #" + i + " at time = " + GridSim.clock());
if (gl == null) {
System.out.println(" result = NULL");
} else // if Cancel is successful, then add it into the list
{
System.out.println(" result = NOT null");
receiveList_.add(gl);
}
}
}
////////////////////////////////////////////////////////
// RECEIVES Gridlets back
// hold for few period - 1000 seconds since the Gridlets length are
// quite huge for a small bandwidth
super.gridSimHold(1000);
System.out.println("<<<<<<<<< pause for 1000 >>>>>>>>>>>");
// receives the gridlet back
int size = list_.size() - receiveList_.size();
for (i = 0; i < size; i++) {
gl = (Gridlet) super.receiveEventObject(); // gets the Gridlet
receiveList_.add(gl); // add into the received list
System.out.println(
name_ + ": Receiving Gridlet #" + gl.getGridletID() + " at time = " + GridSim.clock());
}
System.out.println(this.name_ + ":%%%% Exiting body() at time " + GridSim.clock());
// shut down I/O ports
shutdownUserEntity();
terminateIOEntities();
// Prints the simulation output
printGridletList(receiveList_, name_);
}