1318 lines
46 KiB
Java
Executable File

/*
* Autopsy Forensic Browser
*
* Copyright 2011 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sleuthkit.autopsy.ingest;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.SwingUtilities;
import javax.swing.SwingWorker;
import org.netbeans.api.progress.ProgressHandle;
import org.netbeans.api.progress.ProgressHandleFactory;
import org.openide.util.Cancellable;
import org.openide.util.Lookup;
import org.sleuthkit.autopsy.ingest.IngestMessage.MessageType;
import org.sleuthkit.datamodel.FsContent;
import org.sleuthkit.datamodel.Image;
/**
* IngestManager sets up and manages ingest services
* runs them in a background thread
* notifies services when work is complete or should be interrupted
* processes messages from services via messenger proxy and posts them to GUI
*
*/
public class IngestManager {
private static final Logger logger = Logger.getLogger(IngestManager.class.getName());
private IngestManagerStats stats;
private volatile int updateFrequency = 15; //in minutes
//queues
private final ImageQueue imageQueue = new ImageQueue(); // list of services and images to analyze
private final FsContentQueue fsContentQueue = new FsContentQueue();
private final Object queuesLock = new Object();
//workers
private IngestFsContentThread fsContentIngester;
private List<IngestImageThread> imageIngesters;
private SwingWorker queueWorker;
//services
final List<IngestServiceImage> imageServices = enumerateImageServices();
final List<IngestServiceFsContent> fsContentServices = enumerateFsContentServices();
// service return values
private final Map<String, IngestServiceFsContent.ProcessResult> fsContentServiceResults = new HashMap<String, IngestServiceFsContent.ProcessResult>();
//manager proxy
final IngestManagerProxy managerProxy = new IngestManagerProxy(this);
//notifications
private final static PropertyChangeSupport pcs = new PropertyChangeSupport(IngestManager.class);
private enum IngestManagerEvents {
SERVICE_STARTED, SERVICE_COMPLETED, SERVICE_STOPPED, SERVICE_HAS_DATA
};
public final static String SERVICE_STARTED_EVT = IngestManagerEvents.SERVICE_STARTED.name();
public final static String SERVICE_COMPLETED_EVT = IngestManagerEvents.SERVICE_COMPLETED.name();
public final static String SERVICE_STOPPED_EVT = IngestManagerEvents.SERVICE_STOPPED.name();
public final static String SERVICE_HAS_DATA_EVT = IngestManagerEvents.SERVICE_HAS_DATA.name();
//ui
private IngestUI ui = null;
//singleton
private static IngestManager instance;
private IngestManager() {
imageIngesters = new ArrayList<IngestImageThread>();
}
public static synchronized IngestManager getDefault() {
if (instance == null) {
logger.log(Level.INFO, "creating manager instance");
instance = new IngestManager();
}
return instance;
}
void initUI() {
ui = IngestMessageTopComponent.findInstance();
}
/**
* Add property change listener to listen to ingest events
* @param l PropertyChangeListener to add
*/
public static synchronized void addPropertyChangeListener(final PropertyChangeListener l) {
pcs.addPropertyChangeListener(l);
}
public static synchronized void fireServiceEvent(String eventType, String serviceName) {
pcs.firePropertyChange(eventType, serviceName, null);
}
public static synchronized void fireServiceDataEvent(ServiceDataEvent serviceDataEvent) {
pcs.firePropertyChange(SERVICE_HAS_DATA_EVT, serviceDataEvent, null);
}
IngestServiceFsContent.ProcessResult getFsContentServiceResult(String serviceName) {
synchronized (fsContentServiceResults) {
if (fsContentServiceResults.containsKey(serviceName)) {
return fsContentServiceResults.get(serviceName);
} else {
return IngestServiceFsContent.ProcessResult.UNKNOWN;
}
}
}
/**
* Multiple image version of execute, enqueues multiple images and associated services at once
* @param services services to execute on every image
* @param images images to execute services on
*/
void execute(final List<IngestServiceAbstract> services, final List<Image> images) {
logger.log(Level.INFO, "Will enqueue number of images: " + images.size() + " to " + services.size() + " services.");
if (!isIngestRunning()) {
ui.clearMessages();
}
queueWorker = new EnqueueWorker(services, images);
queueWorker.execute();
ui.restoreMessages();
//logger.log(Level.INFO, "Queues: " + imageQueue.toString() + " " + fsContentQueue.toString());
}
/**
* IngestManager entry point, enqueues image to be processed.
* Spawns background thread which enumerates all sorted files and executes chosen services per file in a pre-determined order.
* Notifies services when work is complete or should be interrupted using complete() and stop() calls.
* Does not block and can be called multiple times to enqueue more work to already running background process.
* @param services services to execute on the image
* @param image image to execute services on
*/
void execute(final List<IngestServiceAbstract> services, final Image image) {
List<Image> images = new ArrayList<Image>();
images.add(image);
logger.log(Level.INFO, "Will enqueue image: " + image.getName());
execute(services, images);
}
/**
* Starts the needed worker threads.
*
* if fsContent service is still running, do nothing and allow it to consume queue
* otherwise start /restart fsContent worker
*
* image workers run per (service,image). Check if one for the (service,image) is already running
* otherwise start/restart the worker
*/
private synchronized void startAll() {
logger.log(Level.INFO, "Image queue: " + this.imageQueue.toString());
logger.log(Level.INFO, "File queue: " + this.fsContentQueue.toString());
//image ingesters
// cycle through each image in the queue
while (hasNextImage()) {
//dequeue
// get next image and set of services
final QueueUnit<Image, IngestServiceImage> qu =
this.getNextImage();
// check if each service for this image is already running
//synchronized (this) {
for (IngestServiceImage quService : qu.services) {
boolean alreadyRunning = false;
for (IngestImageThread worker : imageIngesters) {
// ignore threads that are on different images
if (!worker.getImage().equals(qu.content)) {
continue; //check next worker
}
//same image, check service (by name, not id, since different instances)
if (worker.getService().getName().equals(quService.getName())) {
alreadyRunning = true;
logger.log(Level.INFO, "Image Ingester <" + qu.content + ", " + quService.getName() + "> is already running");
break;
}
}
//checked all workers
if (alreadyRunning == false) {
logger.log(Level.INFO, "Starting new image Ingester <" + qu.content + ", " + quService.getName() + ">");
IngestImageThread newImageWorker = new IngestImageThread(this, qu.content, quService);
imageIngesters.add(newImageWorker);
//image services are now initialized per instance
quService.init(managerProxy);
newImageWorker.execute();
IngestManager.fireServiceEvent(SERVICE_STARTED_EVT, quService.getName());
}
}
}
//}
//fsContent ingester
boolean startFsContentIngester = false;
if (hasNextFsContent()) {
if (fsContentIngester
== null) {
startFsContentIngester = true;
logger.log(Level.INFO, "Starting initial FsContent ingester");
} //if worker had completed, restart it in case data is still enqueued
else if (fsContentIngester.isDone()) {
startFsContentIngester = true;
logger.log(Level.INFO, "Restarting fsContent ingester");
}
} else {
logger.log(Level.INFO, "no new FsContent enqueued, no ingester needed");
}
if (startFsContentIngester) {
stats = new IngestManagerStats();
fsContentIngester = new IngestFsContentThread();
//init all fs services, everytime new worker starts
for (IngestServiceFsContent s : fsContentServices) {
s.init(managerProxy);
}
fsContentIngester.execute();
}
}
/**
* stop currently running threads if any (e.g. when changing a case)
*/
void stopAll() {
//stop queue worker
if (queueWorker != null) {
queueWorker.cancel(true);
queueWorker = null;
}
//empty queues
emptyFsContents();
emptyImages();
//stop service workers
if (fsContentIngester != null) {
boolean cancelled = fsContentIngester.cancel(true);
if (!cancelled) {
logger.log(Level.WARNING, "Unable to cancel file ingest worker");
} else {
fsContentIngester = null;
}
}
List<IngestImageThread> toStop = new ArrayList<IngestImageThread>();
synchronized (this) {
toStop.addAll(imageIngesters);
}
for (IngestImageThread imageWorker : toStop) {
boolean cancelled = imageWorker.cancel(true);
if (!cancelled) {
logger.log(Level.WARNING, "Unable to cancel image ingest worker for service: " + imageWorker.getService().getName() + " img: " + imageWorker.getImage().getName());
}
}
logger.log(Level.INFO, "stopped all");
}
/**
* test if any of image of fscontent ingesters are running
* @return true if any service is running, false otherwise
*/
public synchronized boolean isIngestRunning() {
if (isEnqueueRunning()) {
return true;
} else if (isFileIngestRunning()) {
return true;
} else if (isImageIngestRunning()) {
return true;
} else {
return false;
}
}
public synchronized boolean isEnqueueRunning() {
if (queueWorker != null && !queueWorker.isDone()) {
return true;
}
return false;
}
public synchronized boolean isFileIngestRunning() {
if (fsContentIngester != null && !fsContentIngester.isDone()) {
return true;
}
return false;
}
public synchronized boolean isImageIngestRunning() {
if (imageIngesters.isEmpty()) {
return false;
}
//in case there are still image ingesters in the queue but already done
boolean allDone = true;
for (IngestImageThread ii : imageIngesters) {
if (ii.isDone() == false) {
allDone = false;
break;
}
}
if (allDone) {
return false;
} else {
return true;
}
}
/**
* check if the service is running (was started and not yet complete/stopped)
* give a complete answer, i.e. it's already consumed all files
* but it might have background threads running
*
*/
public boolean isServiceRunning(final IngestServiceAbstract service) {
if (service.getType() == IngestServiceAbstract.ServiceType.FsContent) {
synchronized (queuesLock) {
if (fsContentQueue.hasServiceEnqueued((IngestServiceFsContent) service)) {
//has work enqueued, so running
return true;
} else {
//not in the queue, but could still have bkg work running
return service.hasBackgroundJobsRunning();
}
}
} else {
//image service
synchronized (this) {
if (imageIngesters.isEmpty()) {
return false;
}
IngestImageThread imt = null;
for (IngestImageThread ii : imageIngesters) {
if (ii.getService().equals(service)) {
imt = ii;
break;
}
}
if (imt == null) {
return false;
}
if (imt.isDone() == false) {
return true;
} else {
return false;
}
}
}
}
/**
* returns the current minimal update frequency setting in minutes
* Services should call this at init() to get current setting
* and use the setting to change notification and data refresh intervals
*/
int getUpdateFrequency() {
return updateFrequency;
}
/**
* set new minimal update frequency services should use
* @param frequency to use in minutes
*/
void setUpdateFrequency(int frequency) {
this.updateFrequency = frequency;
}
/**
* returns ingest summary report (how many files ingested, any errors, etc)
*/
String getReport() {
return stats.toString();
}
/**
* Service publishes message using InegestManager handle
* Does not block.
* The message gets enqueued in the GUI thread and displayed in a widget
* IngestService should make an attempt not to publish the same message multiple times.
* Viewer will attempt to identify duplicate messages and filter them out (slower)
*/
synchronized void postMessage(final IngestMessage message) {
if (stats != null) {
//record the error for stats, if stats are running
if (message.getMessageType() == MessageType.ERROR) {
stats.addError(message.getSource());
}
}
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
ui.displayMessage(message);
}
});
}
/**
* helper to return all image services managed (using Lookup API) sorted in Lookup position order
*/
public static List<IngestServiceImage> enumerateImageServices() {
List<IngestServiceImage> ret = new ArrayList<IngestServiceImage>();
for (IngestServiceImage list : Lookup.getDefault().lookupAll(IngestServiceImage.class)) {
ret.add(list);
}
return ret;
}
/**
* helper to return all file/dir services managed (using Lookup API) sorted in Lookup position order
*/
public static List<IngestServiceFsContent> enumerateFsContentServices() {
List<IngestServiceFsContent> ret = new ArrayList<IngestServiceFsContent>();
for (IngestServiceFsContent list : Lookup.getDefault().lookupAll(IngestServiceFsContent.class)) {
ret.add(list);
}
return ret;
}
/**
* Queue up an image to be processed by a given service.
* @param service Service to analyze image
* @param image Image to analyze
*/
private void addImage(IngestServiceImage service, Image image) {
synchronized (queuesLock) {
imageQueue.enqueue(image, service);
}
}
/**
* Queue up an image to be processed by a given File service.
* @param service
* @param image
*/
private void addFsContent(IngestServiceFsContent service, Image image) {
Collection<FsContent> fsContents = new GetAllFilesContentVisitor().visit(image);
logger.log(Level.INFO, "Adding image " + image.getName() + " with " + fsContents.size() + " number of fsContent to service " + service.getName());
synchronized (queuesLock) {
for (FsContent fsContent : fsContents) {
fsContentQueue.enqueue(fsContent, service);
}
}
}
/**
* get next file/dir and associated list of services to process
* the queue of FsContent to process is maintained internally
* and could be dynamically sorted as data comes in
*/
private QueueUnit<FsContent, IngestServiceFsContent> getNextFsContent() {
QueueUnit<FsContent, IngestServiceFsContent> ret = null;
synchronized (queuesLock) {
ret = fsContentQueue.dequeue();
}
return ret;
}
private boolean hasNextFsContent() {
boolean ret = false;
synchronized (queuesLock) {
ret = fsContentQueue.hasNext();
}
return ret;
}
private int getNumFsContents() {
int ret = 0;
synchronized (queuesLock) {
ret = fsContentQueue.getCount();
}
return ret;
}
private void emptyFsContents() {
synchronized (queuesLock) {
fsContentQueue.empty();
}
}
private void sortFsContents() {
logger.log(Level.INFO, "Sorting fscontents");
synchronized (queuesLock) {
fsContentQueue.sort();
}
logger.log(Level.INFO, "Done sorting fscontents");
}
private void emptyImages() {
synchronized (queuesLock) {
imageQueue.empty();
}
}
/**
* get next Image/Service pair to process
* the queue of Images to process is maintained internally
* and could be dynamically sorted as data comes in
*/
private QueueUnit<Image, IngestServiceImage> getNextImage() {
QueueUnit<Image, IngestServiceImage> ret = null;
synchronized (queuesLock) {
ret = imageQueue.dequeue();
}
return ret;
}
private boolean hasNextImage() {
boolean ret = false;
synchronized (queuesLock) {
ret = imageQueue.hasNext();
}
return ret;
}
private int getNumImages() {
int ret = 0;
synchronized (queuesLock) {
ret = imageQueue.getCount();
}
return ret;
}
private void initMainProgress(final int maximum) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
ui.initProgress(maximum);
}
});
}
//image worker to remove itself when complete or interrupted
void removeImageIngestWorker(IngestImageThread worker) {
//remove worker
synchronized (this) {
imageIngesters.remove(worker);
}
}
/**
* Priority determination for FsContent
*/
private static class FsContentPriotity {
enum Priority {
LOW, MEDIUM, HIGH
};
static final List<Pattern> lowPriorityPaths = new ArrayList<Pattern>();
static final List<Pattern> mediumPriorityPaths = new ArrayList<Pattern>();
static final List<Pattern> highPriorityPaths = new ArrayList<Pattern>();
static {
lowPriorityPaths.add(Pattern.compile("^\\/Windows", Pattern.CASE_INSENSITIVE));
mediumPriorityPaths.add(Pattern.compile("^\\/Program Files", Pattern.CASE_INSENSITIVE));
highPriorityPaths.add(Pattern.compile("^\\/Users", Pattern.CASE_INSENSITIVE));
highPriorityPaths.add(Pattern.compile("^\\/Documents and Settings", Pattern.CASE_INSENSITIVE));
highPriorityPaths.add(Pattern.compile("^\\/home", Pattern.CASE_INSENSITIVE));
highPriorityPaths.add(Pattern.compile("^\\/ProgramData", Pattern.CASE_INSENSITIVE));
highPriorityPaths.add(Pattern.compile("^\\/Windows\\/Temp", Pattern.CASE_INSENSITIVE));
}
static Priority getPriority(final FsContent fsContent) {
final String path = fsContent.getParentPath();
for (Pattern p : highPriorityPaths) {
Matcher m = p.matcher(path);
if (m.find()) {
return Priority.HIGH;
}
}
for (Pattern p : mediumPriorityPaths) {
Matcher m = p.matcher(path);
if (m.find()) {
return Priority.MEDIUM;
}
}
for (Pattern p : lowPriorityPaths) {
Matcher m = p.matcher(path);
if (m.find()) {
return Priority.LOW;
}
}
//default is medium
return Priority.MEDIUM;
}
}
/**
* manages queue of pending FsContent and list of associated IngestServiceFsContent to use on that content
* sorted based on FsContentPriotity
*/
private class FsContentQueue {
final List<QueueUnit<FsContent, IngestServiceFsContent>> fsContentUnits = new ArrayList<QueueUnit<FsContent, IngestServiceFsContent>>();
final Comparator<QueueUnit<FsContent, IngestServiceFsContent>> sorter = new Comparator<QueueUnit<FsContent, IngestServiceFsContent>>() {
@Override
public int compare(QueueUnit<FsContent, IngestServiceFsContent> q1, QueueUnit<FsContent, IngestServiceFsContent> q2) {
FsContentPriotity.Priority p1 = FsContentPriotity.getPriority(q1.content);
FsContentPriotity.Priority p2 = FsContentPriotity.getPriority(q2.content);
if (p1 == p2) {
return (int) (q2.content.getId() - q1.content.getId());
} else {
return p2.ordinal() - p1.ordinal();
}
}
};
void enqueue(FsContent fsContent, IngestServiceFsContent service) {
QueueUnit<FsContent, IngestServiceFsContent> found = findFsContent(fsContent);
if (found != null) {
//FsContent already enqueued
//merge services to use with already enqueued image
found.add(service);
} else {
//enqueue brand new FsContent with the services
found = new QueueUnit<FsContent, IngestServiceFsContent>(fsContent, service);
fsContentUnits.add(found);
}
}
void enqueue(FsContent fsContent, List<IngestServiceFsContent> services) {
QueueUnit<FsContent, IngestServiceFsContent> found = findFsContent(fsContent);
if (found != null) {
//FsContent already enqueued
//merge services to use with already enqueued FsContent
found.addAll(services);
} else {
//enqueue brand new FsContent with the services
found = new QueueUnit<FsContent, IngestServiceFsContent>(fsContent, services);
fsContentUnits.add(found);
}
}
boolean hasNext() {
return !fsContentUnits.isEmpty();
}
int getCount() {
return fsContentUnits.size();
}
void empty() {
fsContentUnits.clear();
}
void sort() {
Collections.sort(fsContentUnits, sorter);
}
/**
* Returns next FsContent and list of associated services
* @return
*/
QueueUnit<FsContent, IngestServiceFsContent> dequeue() {
if (!hasNext()) {
throw new UnsupportedOperationException("FsContent processing queue is empty");
}
QueueUnit<FsContent, IngestServiceFsContent> remove = fsContentUnits.remove(0);
//logger.log(Level.INFO, "DEQUE: " + remove.content.getParentPath() + " SIZE: " + toString());
return (remove);
}
/**
* checks if the service has any work enqueued
* @param service to check for
* @return true if the service is enqueued to do work
*/
boolean hasServiceEnqueued(IngestServiceFsContent service) {
boolean found = false;
for (QueueUnit<FsContent, IngestServiceFsContent> unit : fsContentUnits) {
for (IngestServiceFsContent s : unit.services) {
if (s.equals(service)) {
found = true;
break;
}
}
if (found == true) {
break;
}
}
return found;
}
private QueueUnit<FsContent, IngestServiceFsContent> findFsContent(FsContent fsContent) {
QueueUnit<FsContent, IngestServiceFsContent> found = null;
for (QueueUnit<FsContent, IngestServiceFsContent> unit : fsContentUnits) {
if (unit.content.equals(fsContent)) {
found = unit;
break;
}
}
return found;
}
@Override
public synchronized String toString() {
return "FsContentQueue, size: " + Integer.toString(fsContentUnits.size());
}
public String printQueue() {
StringBuilder sb = new StringBuilder();
for (QueueUnit<FsContent, IngestServiceFsContent> u : fsContentUnits) {
sb.append(u.toString());
sb.append("\n");
}
return sb.toString();
}
}
/**
* manages queue of pending Images and IngestServiceImage to use on that image.
* image / service pairs are added one at a time and internally, it keeps track of all
* services for a given image.
*/
private class ImageQueue {
private List<QueueUnit<Image, IngestServiceImage>> imageUnits = new ArrayList<QueueUnit<Image, IngestServiceImage>>();
void enqueue(Image image, IngestServiceImage service) {
QueueUnit<Image, IngestServiceImage> found = findImage(image);
if (found != null) {
//image already enqueued
//merge services to use with already enqueued image
found.add(service);
} else {
//enqueue brand new image with the services
found = new QueueUnit<Image, IngestServiceImage>(image, service);
imageUnits.add(found);
}
}
void enqueue(Image image, List<IngestServiceImage> services) {
QueueUnit<Image, IngestServiceImage> found = findImage(image);
if (found != null) {
//image already enqueued
//merge services to use with already enqueued image
found.addAll(services);
} else {
//enqueue brand new image with the services
found = new QueueUnit<Image, IngestServiceImage>(image, services);
imageUnits.add(found);
}
}
boolean hasNext() {
return !imageUnits.isEmpty();
}
int getCount() {
return imageUnits.size();
}
void empty() {
imageUnits.clear();
}
/**
* Return a QueueUnit that contains an image and set of services to run on it.
* @return
*/
QueueUnit<Image, IngestServiceImage> dequeue() {
if (!hasNext()) {
throw new UnsupportedOperationException("Image processing queue is empty");
}
return imageUnits.remove(0);
}
/**
* Search existing list to see if an image already has a set of
* services associated with it
* @param image
* @return
*/
private QueueUnit<Image, IngestServiceImage> findImage(Image image) {
QueueUnit<Image, IngestServiceImage> found = null;
for (QueueUnit<Image, IngestServiceImage> unit : imageUnits) {
if (unit.content.equals(image)) {
found = unit;
break;
}
}
return found;
}
@Override
public synchronized String toString() {
return "ImageQueue, size: " + Integer.toString(imageUnits.size());
}
}
/**
* generic representation of queued content (Image or FsContent) and its services
*/
private class QueueUnit<T, S> {
T content;
LinkedHashSet<S> services; //ordering matters (Lookup order)
QueueUnit(T content, S service) {
this.content = content;
this.services = new LinkedHashSet<S>();
add(service);
}
QueueUnit(T content, List<S> services) {
this.content = content;
this.services = new LinkedHashSet<S>();
addAll(services);
}
//merge services with the current collection of services per image
//this assumes singleton instances of every service type for correct merge
//in case of multiple instances, they need to be handled correctly after dequeue()
final void addAll(List<S> services) {
this.services.addAll(services);
}
//this assumes singleton instances of every service type for correct merge
//in case of multiple instances, they need to be handled correctly after dequeue()
final void add(S service) {
this.services.add(service);
}
@Override
@SuppressWarnings("unchecked")
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final QueueUnit<T, S> other = (QueueUnit<T, S>) obj;
if (this.content != other.content && (this.content == null || !this.content.equals(other.content))) {
return false;
}
if (this.services != other.services && (this.services == null || !this.services.equals(other.services))) {
return false;
}
return true;
}
@Override
public int hashCode() {
int hash = 7;
hash = 37 * hash + (this.content != null ? this.content.hashCode() : 0);
hash = 37 * hash + (this.services != null ? this.services.hashCode() : 0);
return hash;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("content: ");
sb.append(content.toString());
sb.append("\nservices: ");
for (S service : services) {
sb.append(service.toString()).append(" ");
}
return sb.toString();
}
}
/**
* collects IngestManager statistics during runtime
*/
private static class IngestManagerStats {
Date startTime;
Date endTime;
int errorsTotal;
Map<IngestServiceAbstract, Integer> errors;
private static DateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
IngestManagerStats() {
errors = new HashMap<IngestServiceAbstract, Integer>();
}
@Override
public String toString() {
final String EOL = System.getProperty("line.separator");
StringBuilder sb = new StringBuilder();
if (startTime != null) {
sb.append("Start time: ").append(dateFormatter.format(startTime)).append(EOL);
}
if (endTime != null) {
sb.append("End time: ").append(dateFormatter.format(endTime)).append(EOL);
}
sb.append("Total ingest time: ").append(getTotalTimeString()).append(EOL);
sb.append("Total errors: ").append(errorsTotal).append(EOL);
if (errorsTotal > 0) {
sb.append("Errors per service:");
for (IngestServiceAbstract service : errors.keySet()) {
final int errorsService = errors.get(service);
sb.append("\t").append(service.getName()).append(": ").append(errorsService).append(EOL);
}
}
return sb.toString();
}
public String toHtmlString() {
StringBuilder sb = new StringBuilder();
sb.append("<html>");
sb.append("Ingest time: ").append(getTotalTimeString()).append("<br />");
sb.append("Total errors: ").append(errorsTotal).append("<br />");
/*
if (errorsTotal > 0) {
sb.append("Errors per service:");
for (IngestServiceAbstract service : errors.keySet()) {
final int errorsService = errors.get(service);
sb.append("\t").append(service.getName()).append(": ").append(errorsService).append("<br />");
}
}
* */
sb.append("</html>");
return sb.toString();
}
void start() {
startTime = new Date();
}
void end() {
endTime = new Date();
}
long getTotalTime() {
if (startTime == null || endTime == null) {
return 0;
}
return endTime.getTime() - startTime.getTime();
}
String getStartTimeString() {
return dateFormatter.format(startTime);
}
String getEndTimeString() {
return dateFormatter.format(endTime);
}
String getTotalTimeString() {
long ms = getTotalTime();
long hours = TimeUnit.MILLISECONDS.toHours(ms);
ms -= TimeUnit.HOURS.toMillis(hours);
long minutes = TimeUnit.MILLISECONDS.toMinutes(ms);
ms -= TimeUnit.MINUTES.toMillis(minutes);
long seconds = TimeUnit.MILLISECONDS.toSeconds(ms);
final StringBuilder sb = new StringBuilder();
sb.append(hours < 10 ? "0" : "").append(hours).append(':').append(minutes < 10 ? "0" : "").append(minutes).append(':').append(seconds < 10 ? "0" : "").append(seconds);
return sb.toString();
}
synchronized void addError(IngestServiceAbstract source) {
++errorsTotal;
Integer curServiceErrorI = errors.get(source);
if (curServiceErrorI == null) {
errors.put(source, 1);
} else {
errors.put(source, curServiceErrorI + 1);
}
}
}
//ingester worker for fsContent queue
//worker runs until fsContent queue is consumed
//and if needed, new instance is created and started when data arrives
private class IngestFsContentThread extends SwingWorker {
private Logger logger = Logger.getLogger(IngestFsContentThread.class.getName());
private ProgressHandle progress;
@Override
protected Object doInBackground() throws Exception {
logger.log(Level.INFO, "Starting background processing");
stats.start();
//notify main thread services started
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
for (IngestServiceFsContent s : fsContentServices) {
IngestManager.fireServiceEvent(SERVICE_STARTED_EVT, s.getName());
}
}
});
progress = ProgressHandleFactory.createHandle("File Ingest", new Cancellable() {
@Override
public boolean cancel() {
return IngestFsContentThread.this.cancel(true);
}
});
progress.start();
progress.switchToIndeterminate();
int numFsContents = getNumFsContents();
progress.switchToDeterminate(numFsContents);
int processedFiles = 0;
initMainProgress(numFsContents);
//process fscontents queue
while (hasNextFsContent()) {
QueueUnit<FsContent, IngestServiceFsContent> unit = getNextFsContent();
//clear return values from services for last file
synchronized (fsContentServiceResults) {
fsContentServiceResults.clear();
}
for (IngestServiceFsContent service : unit.services) {
if (isCancelled()) {
return null;
}
try {
IngestServiceFsContent.ProcessResult result = service.process(unit.content);
//handle unconditional stop
if (result == IngestServiceFsContent.ProcessResult.STOP) {
break;
//will skip other services and start to process next file
}
//store the result for subsequent services for this file
synchronized (fsContentServiceResults) {
fsContentServiceResults.put(service.getName(), result);
}
} catch (Exception e) {
logger.log(Level.INFO, "Exception from service: " + service.getName(), e);
stats.addError(service);
}
}
int newFsContents = getNumFsContents();
if (newFsContents > numFsContents) {
//update progress bar if new enqueued
numFsContents = newFsContents + processedFiles + 1;
progress.switchToIndeterminate();
progress.switchToDeterminate(numFsContents);
initMainProgress(numFsContents);
}
progress.progress(unit.content.getName(), ++processedFiles);
--numFsContents;
} //end of this fsContent
logger.log(Level.INFO, "Done background processing");
return null;
}
@Override
protected void done() {
try {
super.get(); //block and get all exceptions thrown while doInBackground()
//notify services of completion
if (!this.isCancelled()) {
for (IngestServiceFsContent s : fsContentServices) {
s.complete();
IngestManager.fireServiceEvent(SERVICE_COMPLETED_EVT, s.getName());
}
}
} catch (CancellationException e) {
//task was cancelled
handleInterruption();
} catch (InterruptedException ex) {
handleInterruption();
} catch (ExecutionException ex) {
handleInterruption();
logger.log(Level.SEVERE, "Fatal error during ingest.", ex);
} catch (Exception ex) {
handleInterruption();
logger.log(Level.SEVERE, "Fatal error during ingest.", ex);
} finally {
//stats.end();
progress.finish();
if (!this.isCancelled()) {
//logger.log(Level.INFO, "Summary Report: " + stats.toString());
//ui.displayReport(stats.toHtmlString());
new FsServicesComplete(stats);
}
initMainProgress(0);
}
}
/**
* Ensures that all background threads are done
* then finalize the stats and show dialog
*/
private class FsServicesComplete {
private IngestManagerStats stats; //ongoing stats
private List<IngestServiceAbstract> running = new ArrayList<IngestServiceAbstract>();
FsServicesComplete(IngestManagerStats stats) {
this.stats = stats;
for (IngestServiceAbstract s : fsContentServices) {
if (s.backgroundJobsCompleteListener(new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName().equals(IngestServiceAbstract.BCKGRND_JOBS_COMPLETED_EVT)) {
IngestServiceAbstract service = (IngestServiceAbstract) evt.getNewValue();
running.remove(service);
if (running.isEmpty()) {
showStats();
}
}
}
})) {
running.add(s);
}
}
//no listeners registered since no services running any longer
if (running.isEmpty()) {
showStats();
}
}
void showStats() {
stats.end();
logger.log(Level.INFO, "Summary Report: " + stats.toString());
ui.displayReport(stats.toHtmlString());
}
}
private void handleInterruption() {
for (IngestServiceFsContent s : fsContentServices) {
s.stop();
IngestManager.fireServiceEvent(SERVICE_STOPPED_EVT, s.getName());
}
//empty queues
emptyFsContents();
//reset main progress bar
initMainProgress(0);
}
}
/* Thread that adds image/file and service pairs to queues */
private class EnqueueWorker extends SwingWorker {
List<IngestServiceAbstract> services;
final List<Image> images;
int total;
EnqueueWorker(final List<IngestServiceAbstract> services, final List<Image> images) {
this.services = services;
this.images = images;
}
private ProgressHandle progress;
@Override
protected Object doInBackground() throws Exception {
progress = ProgressHandleFactory.createHandle("Queueing Ingest", new Cancellable() {
@Override
public boolean cancel() {
return EnqueueWorker.this.cancel(true);
}
});
total = services.size() * images.size();
progress.start(total);
//progress.switchToIndeterminate();
queueAll(services, images);
return null;
}
/* clean up or start the worker threads */
@Override
protected void done() {
try {
super.get(); //block and get all exceptions thrown while doInBackground()
} catch (CancellationException e) {
//task was cancelled
handleInterruption();
} catch (InterruptedException ex) {
handleInterruption();
} catch (ExecutionException ex) {
handleInterruption();
} catch (Exception ex) {
handleInterruption();
} finally {
//queing end
if (this.isCancelled()) {
//empty queues
handleInterruption();
} else {
//start ingest workers
startAll();
}
progress.finish();
}
}
private void queueAll(List<IngestServiceAbstract> services, final List<Image> images) {
int processed = 0;
for (Image image : images) {
final String imageName = image.getName();
for (IngestServiceAbstract service : services) {
if (isCancelled()) {
return;
}
final String serviceName = service.getName();
progress.progress(serviceName + " " + imageName, processed);
switch (service.getType()) {
case Image:
//enqueue a new instance of image service
try {
final IngestServiceImage newServiceInstance = (IngestServiceImage) (service.getClass()).newInstance();
addImage(newServiceInstance, image);
logger.log(Level.INFO, "Added image " + image.getName() + " with service " + service.getName());
} catch (InstantiationException e) {
logger.log(Level.SEVERE, "Cannot instantiate service: " + service.getName(), e);
} catch (IllegalAccessException e) {
logger.log(Level.SEVERE, "Cannot instantiate service: " + service.getName(), e);
}
//addImage((IngestServiceImage) service, image);
break;
case FsContent:
//enqueue the same singleton fscontent service
addFsContent((IngestServiceFsContent) service, image);
break;
default:
logger.log(Level.SEVERE, "Unexpected service type: " + service.getType().name());
}
progress.progress(serviceName + " " + imageName, ++processed);
}
}
//logger.log(Level.INFO, fsContentQueue.printQueue());
progress.progress("Sorting files", processed);
sortFsContents();
}
private void handleInterruption() {
//empty queues
emptyFsContents();
emptyImages();
}
}
}