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DCWormsUsers.java @ 1299

Revision 1299, 10.8 KB checked in by wojtekp, 11 years ago (diff)

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1	package simulator;
2
3	import dcworms.schedframe.scheduling.utils.JobDescription;
4	import dcworms.schedframe.scheduling.utils.TaskDescription;
5	import eduni.simjava.Sim_event;
6	import eduni.simjava.Sim_system;
7	import gridsim.GridSim;
8	import gridsim.GridSimTags;
9	import gridsim.IO_data;
10	import gridsim.dcworms.DCWormsTags;
11	import gridsim.net.InfoPacket;
12
13	import java.util.ArrayList;
14	import java.util.HashSet;
15	import java.util.Iterator;
16	import java.util.List;
17	import java.util.Map;
18	import java.util.Set;
19	import java.util.TreeMap;
20
21	import org.apache.commons.logging.Log;
22	import org.apache.commons.logging.LogFactory;
23	import org.joda.time.DateTime;
24
25	import qcg.shared.constants.BrokerConstants;
26	import schedframe.scheduling.tasks.Job;
27	import schedframe.scheduling.tasks.JobInterface;
28	import schedframe.scheduling.tasks.Task;
29	import schedframe.scheduling.tasks.TaskInterface;
30	import simulator.utils.XsltTransformations;
31	import simulator.workload.WorkloadLoader;
32
33	public class DCWormsUsers extends GridSim implements GenericUser {
34
35	/*A job generator, which produces jobs and tasks. These jobs are then sent by this entity /
36	protected WorkloadLoader workloadLoader;
37
38	/** The name of the entity, to which the created tasks will be sent */
39	protected String destName;
40
41	/** Indicates, that all tasks that returned to this object are finished */
42	protected boolean allTasksAreFinished;
43
44	/** Stores the list of jobs, that have been returned to this object */
45	protected List<JobInterface<?>> returnedJobs;
46	protected Set<String> sendJobsIds;
47	protected Set<String> returnedJobsIds;
48
49	protected long submissionStartTime = Long.MAX_VALUE;
50
51	protected XsltTransformations xsltTransformer;
52
53	/**
54	* Indicates, that an error has occurred - it is used for debug purposes
55	*/
56	protected boolean error;
57
58	private static Log log = LogFactory.getLog(DCWormsUsers.class);
59
60	/**
61	* Constructs the users object with the given parameters
62	* @param name the name of the users entity (must be unique across all entities in the whole simulation)
63	* @param destinationName the name of the entity, to which the created tasks will be sent
64	* @param jobGenerator the job generator, which produces jobs and tasks, that will be sent by this class
65	* @throws Exception if any occurs (see {@link GridSim#GridSim(String, double)})
66	*/
67	public DCWormsUsers(String name, String destinationName, WorkloadLoader workload) throws Exception {
68	super(name, DCWormsConstants.DEFAULT_BAUD_RATE);
69	this.workloadLoader = workload;
70	destName = destinationName;
71	allTasksAreFinished = true;
72	error = false;
73
74	sendJobsIds = new HashSet<String>();
75	returnedJobsIds = new HashSet<String>();
76	returnedJobs = new ArrayList<JobInterface<?>>();
77	this.xsltTransformer = new XsltTransformations();
78	}
79
80	@Override
81	public void body() {
82	if(workloadLoader != null){
83	sendJobs();
84	collectJobs();
85	} else {
86	submissionStartTime = 0;
87	}
88
89	//GridSim dependent code for shutting down the simulation
90	shutdownGridStatisticsEntity();
91	terminateIOEntities();
92	shutdownUserEntity();
93	}
94
95	/**
96	* Collects the jobs sent to broker(s)
97	*/
98	protected void collectJobs() {
99	final int FACTOR = Math.min(100, workloadLoader.getTaskCount() > 0 ? workloadLoader.getTaskCount() : 1); //the refresh rate of the gauge: at most 10 times
100	final int denominator = workloadLoader.getTaskCount() / FACTOR;
101	allTasksAreFinished = true;
102	int counter = 0;
103	int oldRemeinder = 0;
104	boolean hundredPercent = false;
105
106	Sim_event ev = new Sim_event();
107	sim_get_next(ev);
108	while (Sim_system.running()) {
109	switch (ev.get_tag()) {
110	case GridSimTags.END_OF_SIMULATION:
111	//no action
112	break;
113
114	case GridSimTags.INFOPKT_SUBMIT:
115	processPingRequest(ev);
116	break;
117
118	case GridSimTags.GRIDLET_RETURN:
119	JobInterface<?> returnedJob = (JobInterface<?>) ev.get_data();
120
121	String jobId = returnedJob.getId();
122
123
124	if (returnedJobs.contains(returnedJob)) {
125	if(log.isErrorEnabled())
126	log.error("Received the same job twice (job ID " + jobId + ")");
127	error = true;
128	break;
129	}
130
131	returnedJobs.add(returnedJob);
132	returnedJobsIds.add(jobId);
133
134	if(returnedJob.getStatus() == BrokerConstants.JOB_STATUS_FINISHED) {
135	if(log.isDebugEnabled())
136	log.debug("Received finished job " + jobId);
137
138	} else {
139	if(returnedJob.getStatus() == BrokerConstants.JOB_STATUS_CANCELED) {
140	if(log.isWarnEnabled()){
141	String str = "Warning! An uncomplished job (Job ID: "+jobId+") has returned to users. Job was canceled.";
142	log.warn(str);
143	}
144	}
145
146	allTasksAreFinished = false;
147	}
148
149	counter += returnedJob.getTaskCount();
150	int remainder = (counter / denominator);
151	if (remainder != oldRemeinder) {
152	int gauge = ((counter * 100) / (workloadLoader.getTaskCount()));
153	if(log.isInfoEnabled())
154	log.info(gauge + "% ");
155
156	oldRemeinder = remainder;
157	if (gauge == 100)
158	hundredPercent = true;
159	}
160
161	break;
162	}
163
164	//if all the Gridlets have been collected
165	if (counter == workloadLoader.getTaskCount()) {
166	break;
167	}
168
169	sim_get_next(ev);
170	}
171
172	//if all the Gridlets have been collected
173	if (counter == workloadLoader.getTaskCount()) {
174	if (! hundredPercent) {
175	if(log.isInfoEnabled())
176	log.info("100%");
177	}
178	if(log.isInfoEnabled())
179	log.info(get_name() + ": Received all "+workloadLoader.getJobCount()+" jobs and " + counter + " tasks");
180	} else {
181	if(log.isErrorEnabled())
182	log.error(get_name() + ": ERROR DID NOT RECEIVED all tasks - some tasks were not finished! (received "+counter+" of "+workloadLoader.getTaskCount()+")");
183	}
184
185	Iterator <String> itr = sendJobsIds.iterator();
186	String jobId;
187	if(log.isInfoEnabled()){
188	log.info("Missing tasks: ");
189	while(itr.hasNext()){
190	jobId = itr.next();
191	if(!returnedJobsIds.contains(jobId)){
192	log.info(jobId + ", ");
193	}
194	}
195	}
196
197	}
198
199	/**
200	* Sends jobs to broker entities
201	*/
202	protected void sendJobs() {
203
204	Map<Long, List<Job>> jobTimes = new TreeMap<Long, List<Job>>();
205	int destID = GridSim.getEntityId(destName);
206	//destID=GridSim.getEntityId("BROKER@COMPUTING_GRID_0");
207	List<JobDescription> jobs = workloadLoader.getJobs();
208	//TaskRequirements taskReq = new TaskRequirementsImpl();
209	//double values[] = null;
210
211	for (JobDescription job : jobs) {
212	long l_submissionTime = Long.MAX_VALUE;
213	//pick the lowest submission time
214	for (TaskDescription task : job) {
215	if (task.getSubmissionTime() < l_submissionTime)
216	l_submissionTime = task.getSubmissionTime();
217	}
218
219	//store the submission time expressed in seconds after the simulation start time
220	long submissionTime = l_submissionTime;
221
222	Job newJob = prepareJob(job, submissionTime);
223
224	List<Job> list = jobTimes.get(submissionTime);
225	if (list == null) {
226	list = new ArrayList<Job>();
227	jobTimes.put(submissionTime, list);
228	}
229	list.add(newJob);
230	}
231	for (Long submissionTime : jobTimes.keySet()) {
232
233	if(submissionTime < submissionStartTime)
234	submissionStartTime = submissionTime;
235
236	List<Job> list = jobTimes.get(submissionTime);
237	for(int i = 0; i < list.size(); i++){
238	this.sendJobsIds.add(list.get(i).getId());
239	send(destID, submissionTime, GridSimTags.GRIDLET_SUBMIT, list.get(i));
240	}
241
242	//send(output, submissionTime, GridSimTags.GRIDLET_SUBMIT, new IO_data(list, GssConstants.DEFAULT_GRIDLET_SIZE, destID));
243	//send(destID, submissionTime, GridSimTags.GRIDLET_SUBMIT, list);
244
245	}
246	}
247
248	public List<JobDescription> getAllSentJobs() {
249	if (workloadLoader == null)
250	return new ArrayList<JobDescription>();
251	return (List<JobDescription>) workloadLoader.getJobs();
252	}
253
254	public List<TaskDescription> getAllSentTasks() {
255	List<TaskDescription> result = new ArrayList<TaskDescription>();
256	List<JobDescription> sentJobs = getAllSentJobs();
257	for (JobDescription job : sentJobs) {
258	result.addAll(job);
259	}
260	return result;
261	}
262
263	public List<JobInterface<?>> getAllReceivedJobs() {
264	return returnedJobs;
265	}
266
267	public int getFinishedTasksCount() {
268	int result = 0;
269	for (JobInterface<?> job : returnedJobs) {
270	for (TaskInterface<?> task: job.getTask()) {
271	if(task.getStatus() == DCWormsTags.SUCCESS)
272	result++;
273	}
274	}
275	return result;
276	}
277
278	public String getUserName() {
279	return get_name();
280	}
281
282	public boolean isError() {
283	return error;
284	}
285
286	/**
287	* Performs action concerning a ping request to this entity
288	* @param ev the event object
289	*/
290	protected void processPingRequest(Sim_event ev) {
291	InfoPacket pkt = (InfoPacket) ev.get_data();
292	pkt.setTag(GridSimTags.INFOPKT_RETURN);
293	pkt.setDestID(pkt.getSrcID());
294
295	// sends back to the sender
296	send(output, GridSimTags.SCHEDULE_NOW, GridSimTags.INFOPKT_RETURN,
297	new IO_data(pkt, pkt.getSize(), pkt.getSrcID()));
298	}
299
300	protected Job prepareJob(JobDescription jobDescription, long submissionTime){
301
302	Job newJob = new Job(jobDescription.getJobId());
303	DateTime submitionTime = new DateTime();
304	submitionTime = submitionTime.plusMillis((int)submissionTime*1000);
305	try {
306
307	// transform job description to resource requirements
308
309	newJob.setSenderId(this.get_id());
310
311	for (TaskDescription taskDescription : jobDescription) {
312
313	String xmlResReq = this.xsltTransformer.taskToResourceRequirements(
314	taskDescription.getDocument(),
315	jobDescription.getJobId(),
316	taskDescription.getUserDn(),
317	submitionTime);
318
319	Task newTask = new Task(xmlResReq);
320	newTask.setSenderId(this.get_id());
321	newTask.setStatus((int)BrokerConstants.TASK_STATUS_UNSUBMITTED);
322	newTask.setLength(taskDescription.getTaskLength());
323	newTask.setWorkloadLogWaitTime(taskDescription.getWorkloadLogWaitTime());
324	// newTask.setSubmissionTime(taskDescription.getSubmissionTime());
325
326	//ENABLES MERGING PRECEDING CONSTRAINST COMING BOTH FROM SWF AND XML FILES
327	/*if(taskDescription.getDescription().getWorkflow() != null){
328	String precTaskId = taskDescription.getDescription().getWorkflow().getParent(0).getContent();
329	if( newTask.getDescription().getWorkflow() == null){
330	org.qcg.broker.schemas.resreqs.Workflow workflow = new org.qcg.broker.schemas.resreqs.Workflow();
331	org.qcg.broker.schemas.resreqs.ParentType parent = new org.qcg.broker.schemas.resreqs.ParentType();
332	parent.setTriggerState(org.qcg.broker.schemas.resreqs.types.TaskStatesName.FINISHED);
333	parent.setContent(precTaskId);
334	workflow.addParent(parent);
335	newTask.getDescription().setWorkflow(workflow);
336	}
337	}*/
338	newJob.add(newTask);
339	}
340	newJob.setStatus((int)BrokerConstants.JOB_STATUS_UNSUBMITTED);
341	jobDescription.discardUnused();
342
343	} catch (Exception e){
344	log.error(e.getMessage());
345	e.printStackTrace();
346	}
347
348	return newJob;
349	}
350
351	public long getSubmissionStartTime() {
352	return submissionStartTime;
353	}
354
355	public boolean isSimStartTimeDefined(){
356	if(workloadLoader == null){
357	return false;
358	}
359	return workloadLoader.isSimStartTimeDefined();
360	}
361	}

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