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package com.sun.enterprise.v3.admin.commands;
import com.sun.enterprise.admin.remote.AdminCommandStateImpl;
import com.sun.enterprise.util.LocalStringManagerImpl;
import javax.inject.Inject;
import com.sun.enterprise.v3.admin.JobManagerService;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommandEventBroker.AdminCommandListener;
import org.glassfish.api.admin.*;
import org.glassfish.api.admin.progress.JobInfo;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.security.services.common.SubjectUtil;
import org.jvnet.hk2.annotations.Service;
import static org.glassfish.api.admin.AdminCommandState.State.PREPARED;
import static org.glassfish.api.admin.AdminCommandState.State.RUNNING;
import static org.glassfish.api.admin.AdminCommandState.State.RUNNING_RETRYABLE;
import static org.glassfish.api.admin.AdminCommandState.State.COMPLETED;
import static org.glassfish.api.admin.AdminCommandState.State.REVERTED;
/**
* Gets CommandInstance from registry based on given id and forwards all events.
*
* @author Martin Mares
* @author Bhakti Mehta
*/
@Service(name = AttachCommand.COMMAND_NAME)
@PerLookup
@CommandLock(CommandLock.LockType.NONE)
@I18n(AttachCommand.COMMAND_NAME)
@ManagedJob
@AccessRequired(resource="jobs/job/$jobID", action="attach")
public class AttachCommand implements AdminCommand, AdminCommandListener {
public static final String COMMAND_NAME = "attach";
protected final static LocalStringManagerImpl strings = new LocalStringManagerImpl(AttachCommand.class);
protected AdminCommandEventBroker eventBroker;
protected Job attached;
@Inject
JobManagerService registry;
@Param(primary=true, optional=false, multiple=false)
protected String jobID;
@Override
public void execute(AdminCommandContext context) {
eventBroker = context.getEventBroker();
attached = registry.get(jobID);
JobInfo jobInfo = null;
String jobName = null;
if (attached == null) {
//try for completed jobs
if (registry.getCompletedJobs(registry.getJobsFile()) != null) {
jobInfo = (JobInfo) registry.getCompletedJobForId(jobID);
}
if (jobInfo != null) {
jobName = jobInfo.jobName;
}
}
attach(attached,jobInfo,context,jobName);
}
@Override
public void onAdminCommandEvent(String name, Object event) {
if (name == null || name.startsWith("client.")) { //Skip nonsence or own events
return;
}
if (AdminCommandStateImpl.EVENT_STATE_CHANGED.equals(name) &&
(((Job) event).getState().equals(COMPLETED) || ((Job) event).getState().equals(REVERTED))) {
synchronized (attached) {
attached.notifyAll();
}
} else {
eventBroker.fireEvent(name, event); //Forward
}
}
protected void purgeJob(String jobid) {
try {
registry.purgeJob(jobid);
registry.purgeCompletedJobForId(jobid);
} catch (Exception ex) {
}
}
public void attach(Job attached, JobInfo jobInfo, AdminCommandContext context,String jobName) {
ActionReport ar = context.getActionReport();
String attachedUser = SubjectUtil.getUsernamesFromSubject(context.getSubject()).get(0);
if ((attached == null && jobInfo == null) || (attached != null && attached.getName().startsWith("_"))
|| (attached != null && AttachCommand.COMMAND_NAME.equals(attached.getName()))) {
ar.setActionExitCode(ActionReport.ExitCode.FAILURE);
ar.setMessage(strings.getLocalString("attach.wrong.commandinstance.id", "Job with id {0} does not exist.", jobID));
return;
}
if (attached != null) {
String jobInitiator = attached.getSubjectUsernames().get(0);
if (!attachedUser.equals( jobInitiator)) {
ar.setActionExitCode(ActionReport.ExitCode.FAILURE);
ar.setMessage(strings.getLocalString("user.not.authorized",
"User {0} not authorized to attach to job {1}", attachedUser, jobID));
return;
}
}
if (attached != null) {
//Very sensitive locking part
AdminCommandEventBroker attachedBroker = attached.getEventBroker();
CommandProgress commandProgress = attached.getCommandProgress();
if (commandProgress == null) {
synchronized (attachedBroker) {
onAdminCommandEvent(AdminCommandStateImpl.EVENT_STATE_CHANGED, attached);
attachedBroker.registerListener(".*", this);
}
} else {
synchronized (commandProgress) {
onAdminCommandEvent(AdminCommandStateImpl.EVENT_STATE_CHANGED, attached);
onAdminCommandEvent(CommandProgress.EVENT_PROGRESSSTATUS_STATE, attached.getCommandProgress());
attachedBroker.registerListener(".*", this);
}
}
synchronized (attached) {
while(attached.getState().equals(PREPARED) ||
attached.getState().equals(RUNNING) ||
attached.getState().equals(RUNNING_RETRYABLE)) {
try {
attached.wait(1000*60*5); //5000L just to be sure
} catch (InterruptedException ex) {}
}
if (attached.getState().equals(COMPLETED) || attached.getState().equals(REVERTED)) {
String commandUser = attached.getSubjectUsernames().get(0);
//In most cases if the user who attaches to the command is the same
//as one who started it then purge the job once it is completed
if ((commandUser != null && commandUser.equals(attachedUser)) && attached.isOutboundPayloadEmpty()) {
purgeJob(attached.getId());
}
ar.setActionExitCode(attached.getActionReport().getActionExitCode());
ar.appendMessage(strings.getLocalString("attach.finished", "Command {0} executed with status {1}",attached.getName(),attached.getActionReport().getActionExitCode()));
}
}
} else {
if (jobInfo != null && (jobInfo.state.equals(COMPLETED.toString()) || jobInfo.state.equals(REVERTED.toString()))) {
//In most cases if the user who attaches to the command is the same
//as one who started it then purge the job once it is completed
if (attachedUser!= null && attachedUser.equals( jobInfo.user)) {
purgeJob(jobInfo.jobId);
}
ar.setActionExitCode(ActionReport.ExitCode.SUCCESS);
ar.appendMessage(strings.getLocalString("attach.finished", "Command {0} executed{1}",jobName,jobInfo.exitCode));
}
}
}
}