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WormsUsers.java @ 477

Revision 477, 9.6 KB checked in by wojtekp, 13 years ago (diff)

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1	package simulator;
2
3	import eduni.simjava.Sim_event;
4	import eduni.simjava.Sim_system;
5	import gridsim.GridSim;
6	import gridsim.GridSimTags;
7	import gridsim.Gridlet;
8	import gridsim.IO_data;
9	import gridsim.net.InfoPacket;
10	import gssim.schedframe.scheduling.utils.JobDescription;
11	import gssim.schedframe.scheduling.utils.TaskDescription;
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 WormsUsers 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 XsltTransformations xsltTransformer;
50
51	/**
52	* Indicates, that an error has occurred - it is used for debug purposes
53	*/
54	protected boolean error;
55
56	private static Log log = LogFactory.getLog(WormsUsers.class);
57
58	/**
59	* Constructs the users object with the given parameters
60	* @param name the name of the users entity (must be unique across all entities in the whole simulation)
61	* @param destinationName the name of the entity, to which the created tasks will be sent
62	* @param jobGenerator the job generator, which produces jobs and tasks, that will be sent by this class
63	* @throws Exception if any occurs (see {@link GridSim#GridSim(String, double)})
64	*/
65	public WormsUsers(String name, String destinationName, WorkloadLoader workload) throws Exception {
66	super(name, WormsConstants.DEFAULT_BAUD_RATE);
67	this.workloadLoader = workload;
68	destName = destinationName;
69	allTasksAreFinished = true;
70	error = false;
71
72	sendJobsIds = new HashSet<String>();
73	returnedJobsIds = new HashSet<String>();
74
75	this.xsltTransformer = new XsltTransformations();
76	}
77
78	@Override
79	public void body() {
80	sendJobs();
81	collectJobs();
82
83	//GridSim dependent code for shutting down the simulation
84	shutdownGridStatisticsEntity();
85	terminateIOEntities();
86	shutdownUserEntity();
87	}
88
89	/**
90	* Collects the jobs sent to broker(s)
91	*/
92	protected void collectJobs() {
93	final int FACTOR = Math.min(10, workloadLoader.getTaskCount()); //the refresh rate of the gauge: at most 10 times
94	final int denominator = workloadLoader.getTaskCount() / FACTOR;
95	allTasksAreFinished = true;
96	returnedJobs = new ArrayList<JobInterface<?>>();
97	int counter = 0;
98	int oldRemeinder = 0;
99	boolean hundredPercent = false;
100
101	Sim_event ev = new Sim_event();
102	sim_get_next(ev);
103	while (Sim_system.running()) {
104	switch (ev.get_tag()) {
105	case GridSimTags.END_OF_SIMULATION:
106	//no action
107	break;
108
109	case GridSimTags.INFOPKT_SUBMIT:
110	processPingRequest(ev);
111	break;
112
113	case GridSimTags.GRIDLET_RETURN:
114	JobInterface<?> returnedJob = (JobInterface<?>) ev.get_data();
115
116	String jobId = null;
117	try {
118	jobId = returnedJob.getId();
119	} catch (NoSuchFieldException e) {
120	// TODO Auto-generated catch block
121	e.printStackTrace();
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	List<Job> list = jobTimes.get(submissionTime);
233	for(int i = 0; i < list.size(); i++){
234	this.sendJobsIds.add(list.get(i).getId());
235	send(destID, submissionTime, GridSimTags.GRIDLET_SUBMIT, list.get(i));
236	}
237
238	//send(output, submissionTime, GridSimTags.GRIDLET_SUBMIT, new IO_data(list, GssConstants.DEFAULT_GRIDLET_SIZE, destID));
239	//send(destID, submissionTime, GridSimTags.GRIDLET_SUBMIT, list);
240
241	}
242	System.out.println("finished sending jobs");
243	}
244
245	public List<JobDescription> getAllSentJobs() {
246	return (List<JobDescription>) workloadLoader.getJobs();
247	}
248
249	public List<TaskDescription> getAllSentTasks() {
250	List<TaskDescription> result = new ArrayList<TaskDescription>();
251	List<JobDescription> sentJobs = getAllSentJobs();
252	for (JobDescription job : sentJobs) {
253	result.addAll(job);
254	}
255	return result;
256	}
257
258	public List<JobInterface<?>> getAllReceivedJobs() {
259	return returnedJobs;
260	}
261
262	public int getFinishedTasksCount() {
263	int result = 0;
264	for (JobInterface<?> job : returnedJobs) {
265	for (TaskInterface<?> task: job.getTask()) {
266	if(task.getStatus() == Gridlet.SUCCESS)
267	result++;
268	}
269	}
270	return result;
271	}
272
273	public String getUserName() {
274	return get_name();
275	}
276
277	public boolean isError() {
278	return error;
279	}
280
281	/**
282	* Performs action concerning a ping request to this entity
283	* @param ev the event object
284	*/
285	protected void processPingRequest(Sim_event ev) {
286	InfoPacket pkt = (InfoPacket) ev.get_data();
287	pkt.setTag(GridSimTags.INFOPKT_RETURN);
288	pkt.setDestID(pkt.getSrcID());
289
290	// sends back to the sender
291	send(output, GridSimTags.SCHEDULE_NOW, GridSimTags.INFOPKT_RETURN,
292	new IO_data(pkt, pkt.getSize(), pkt.getSrcID()));
293	}
294
295	protected Job prepareJob(JobDescription jobDescription, long submissionTime){
296
297	Job newJob = new Job(jobDescription.getJobId());
298	DateTime submitionTime = new DateTime();
299	submitionTime = submitionTime.plusMillis((int)submissionTime*1000);
300	try {
301
302	// transform job description to resource requirements
303
304	newJob.setSenderId(this.get_id());
305
306	for (TaskDescription taskDescription : jobDescription) {
307
308	String xmlResReq = this.xsltTransformer.taskToResourceRequirements(
309	taskDescription.getDocument(),
310	jobDescription.getJobId(),
311	taskDescription.getUserDn(),
312	submitionTime);
313
314	Task newTask = new Task(xmlResReq);
315	newTask.setSenderId(this.get_id());
316	newTask.setStatus((int)BrokerConstants.TASK_STATUS_UNSUBMITTED);
317	newTask.setLength(taskDescription.getTaskLength());
318	newTask.setWorkloadLogWaitTime(taskDescription.getWorkloadLogWaitTime());
319	// newTask.setSubmissionTime(taskDescription.getSubmissionTime());
320
321	newJob.add(newTask);
322	}
323
324	jobDescription.discardUnused();
325
326	} catch (Exception e){
327	log.error(e.getMessage());
328	e.printStackTrace();
329	}
330
331	return newJob;
332	}
333	}

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