public void doGet(Request req, Response resp) throws RestletException {
String taskIds = null;
try {
taskIds = URLDecoder.decode((String) req.getAttributes().get("taskids"), "UTF-8");
} catch (UnsupportedEncodingException uee) {
log.error("Exception type = " + uee.getClass().getName() + " msg = " + uee.getMessage());
throw new RestletException(uee.getMessage(), Status.SERVER_ERROR_INTERNAL);
}
ArrayList<GWCTaskStatus> taskList = new ArrayList<GWCTaskStatus>();
seeder.getStorageBroker().getTasks(taskIds, taskList);
List<String> segments = req.getResourceRef().getSegments();
String reqAction = segments.get(segments.size() - 2);
if (reqAction.equalsIgnoreCase("seedprogress")) {
handleProgress(req, resp, taskList);
} else if (reqAction.equalsIgnoreCase("seedcancel")) {
handleCancel(req, resp, taskList);
} else {
String msg = "Unsupported action: " + reqAction;
log.error(msg);
throw new RestletException(msg, Status.CLIENT_ERROR_NOT_FOUND);
}
}
private void handleCancel(Request req, Response resp, ArrayList<GWCTaskStatus> taskList)
throws RestletException {
StringBuilder strBld = new StringBuilder();
strBld.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
strBld.append("<CancelResults>");
Object[] tasks = taskList.toArray();
for (int i = 0; i < tasks.length; i++) {
GWCTaskStatus taskStatus = (GWCTaskStatus) tasks[i];
strBld.append("<Task>");
strBld.append("<dbId>" + taskStatus.getDbId() + "</dbId>");
strBld.append("<CancelResult>");
Iterator<Entry<Long, GWCTask>> iter = seeder.getRunningTasksIterator();
while (iter.hasNext()) {
Entry<Long, GWCTask> entry = iter.next();
GWCTask task = entry.getValue();
if (task.getDbId() == taskStatus.getDbId()) {
taskStatus.setThreadRunning(true);
taskStatus.setTaskId(task.getTaskId());
}
}
if (!taskStatus.getThreadRunning()) {
strBld.append("not running");
} else {
log.debug("terminating task with id = " + taskStatus.getTaskId());
if (seeder.terminateGWCTask(taskStatus.getTaskId())) {
strBld.append("true");
} else {
strBld.append("false");
}
}
strBld.append("</CancelResult>");
strBld.append("</Task>");
}
strBld.append("</CancelResults>");
resp.setEntity(strBld.toString(), MediaType.TEXT_XML);
}
@Test
public void testMinMaxCacheSeedTile() throws Exception {
WMSLayer tl = createWMSLayer("image/png", 5, 6);
MockTileSupport mock = new MockTileSupport(tl);
SeedRequest req = createRequest(tl, GWCTask.TYPE.SEED, 4, 7);
TileRange tr = TileBreeder.createTileRange(req, tl);
seedTiles(mock.storageBroker, tr, tl);
// zero transient cache attempts
assertEquals(0, mock.cacheHits.get());
assertEquals(0, mock.cacheMisses.get());
// empirical numbers
assertEquals(42, mock.wmsMetaRequestCounter.get());
assertEquals(218, mock.storagePutCounter.get());
}
/** Returns a StringRepresentation with the status of the running threads in the thread pool. */
private void handleProgress(Request req, Response resp, ArrayList<GWCTaskStatus> taskList)
throws RestletException {
Object[] tasks = taskList.toArray();
StringBuilder strBld = new StringBuilder();
strBld.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
strBld.append("<Tasks>");
XStream xs = new XStream();
xs.omitField(GWCTask.class, "parsedType");
xs.omitField(GWCTask.class, "state");
xs.omitField(GWCTask.class, "sharedThreadCount");
xs.omitField(GWCTask.class, "groupStartTime");
xs.omitField(GWCTask.class, "storageBroker");
xs.alias("GWCTaskStatus", GWCTaskStatus.class);
for (int i = 0; i < tasks.length; i++) {
GWCTaskStatus taskStatus = (GWCTaskStatus) tasks[i];
Iterator<Entry<Long, GWCTask>> iter = seeder.getRunningTasksIterator();
while (iter.hasNext()) {
Entry<Long, GWCTask> entry = iter.next();
GWCTask task = entry.getValue();
if (task.getDbId() == taskStatus.getDbId()) {
taskStatus.setTaskId(task.getTaskId());
taskStatus.setThreadRunning(true);
taskStatus.setTilesDone(task.getTilesDone());
taskStatus.setTilesTotal(task.getTilesTotal());
taskStatus.setTimeSpent(task.getTimeSpent());
taskStatus.setTimeRemaing(task.getTimeRemaining());
}
}
String task_xml = xs.toXML(taskStatus);
strBld.append(task_xml);
}
strBld.append("</Tasks>");
resp.setEntity(strBld.toString(), MediaType.TEXT_XML);
}
// ignore to fix the build until the failing assertion is worked out
@Test
@Ignore
public void testMinMaxCacheGetTile() throws Exception {
WMSLayer tl = createWMSLayer("image/png", 5, 6);
MockTileSupport mock = new MockTileSupport(tl);
// we're not really seeding, just using the range
SeedRequest req = createRequest(tl, GWCTask.TYPE.SEED, 4, 7);
TileRange tr = TileBreeder.createTileRange(req, tl);
List<ConveyorTile> tiles = getTiles(mock.storageBroker, tr, tl);
// this number is determined by our tileRange minus those out of bounds
assertEquals(880, tiles.size());
// tiles at zoom 4 and 7 will have non png data
for (int i = 0; i < tiles.size(); i++) {
ConveyorTile tile = tiles.get(i);
assertNotNull(tile.getBlob());
// System.out.println(tile.getTileIndex()[2] + " " + tile.getBlob().getSize());
}
// empirical numbers
// this number is determined by the number of metarequests at level 5+6
assertEquals(218, mock.storagePutCounter.get());
// and the number of successful hits at level 5+6
assertEquals(176, mock.storageGetCounter.get());
// these last will vary - on a dual core machine, they appeared predictable
// but on a 8 core machine, the threads compete for cache and we can only
// assertain by range
// @todo
// assertTrue(Math.abs(532 - mock.cacheHits.get()) < 10);
// assertTrue(Math.abs(494 - mock.cacheMisses.get()) < 10);
// assertTrue(Math.abs(172 - mock.wmsMetaRequestCounter.get()) < 10);
// stats
System.out.println("transientCacheSize " + mock.transientCache.size());
System.out.println("transientCacheStorage " + mock.transientCache.storageSize());
}
/**
* Method responsible for handling incoming POSTs. It will parse the XML document and deserialize
* it into a SeedRequest, then create a SeedTask and forward it to the thread pool executor.
*/
public void doPost(Request req, Response resp) throws RestletException, IOException {
String formatExtension = (String) req.getAttributes().get("extension");
SeedRequest sr = null;
XStream xs = xmlConfig.getConfiguredXStream(new XStream(new DomDriver()));
try {
if (formatExtension.equalsIgnoreCase("xml")) {
String xml_body = req.getEntity().getText();
log.debug("doPost, xml = " + xml_body);
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
ByteArrayInputStream xml_bs = new ByteArrayInputStream(xml_body.getBytes());
Document doc = db.parse(xml_bs);
Node rootNode = doc.getFirstChild();
xs.alias("seedRequest", SeedRequest.class);
sr = (SeedRequest) xs.unmarshal(new DomReader((Element) rootNode));
log.debug("doPost, sr = " + sr.getLayerName());
} else if (formatExtension.equalsIgnoreCase("json")) {
sr = (SeedRequest) xs.fromXML(convertJson(req.getEntity().getText()));
} else {
throw new RestletException(
"Format extension unknown or not specified: " + formatExtension,
Status.CLIENT_ERROR_BAD_REQUEST);
}
} catch (Exception e) {
log.error("Exception type = " + e.getClass().getName() + " msg = " + e.getMessage());
e.printStackTrace();
if (e.getCause() != null) {
log.error("cause = " + e.getCause().getMessage());
}
}
StringBuilder strBld = new StringBuilder();
strBld.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
String layerName = null;
try {
layerName = URLDecoder.decode((String) req.getAttributes().get("layer"), "UTF-8");
} catch (UnsupportedEncodingException uee) {
log.error("Exception type = " + uee.getClass().getName() + " msg = " + uee.getMessage());
throw new RestletException(uee.getMessage(), Status.SERVER_ERROR_INTERNAL);
}
log.debug(
"layerName = "
+ layerName
+ " sr.GridSetId = "
+ sr.getGridSetId()
+ " type = "
+ sr.getType());
GWCTask[] tasks = null;
try {
TileLayer tl = null;
try {
tl = seeder.findTileLayer(layerName);
} catch (GeoWebCacheException e) {
strBld.append("<GeoWebCacheException>");
strBld.append(e.getMessage());
strBld.append("</GeoWebCacheException>");
resp.setEntity(strBld.toString(), MediaType.TEXT_XML);
throw new RestletException(e.getMessage(), Status.SERVER_ERROR_INTERNAL);
}
TileRange tr = TileBreeder.createTileRange(sr, tl);
tasks = seeder.createTasks(tr, tl, sr.getType(), sr.getThreadCount(), sr.getFilterUpdate());
seeder.dispatchTasks(tasks);
// Give the thread executor a chance to run
try {
Thread.sleep(500);
} catch (InterruptedException e) {
// Ok, no worries
}
} catch (IllegalArgumentException e) {
log.error("IllegalArgumentException occured: " + e.getMessage());
throw new RestletException(e.getMessage(), Status.CLIENT_ERROR_BAD_REQUEST);
} catch (GeoWebCacheException e) {
log.error("GeoWebCacheException occured: " + e.getMessage());
throw new RestletException(e.getMessage(), Status.SERVER_ERROR_INTERNAL);
}
strBld.append("<Tasks>");
if (tasks.length == 0) {
log.debug("No running tasks");
}
for (int i = 0; i < tasks.length; i++) {
if (i > 0) {
strBld.append(",");
}
strBld.append(tasks[i].getDbId());
}
strBld.append("</Tasks>\n");
log.debug("post response = " + strBld.toString());
resp.setEntity(strBld.toString(), MediaType.TEXT_XML);
}