X-Git-Url: https://gerrit.onap.org/r/gitweb?p=dmaap%2Fdatarouter.git;a=blobdiff_plain;f=datarouter-node%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fnode%2FDeliveryQueue.java;h=4d336b733aebf7f2943c16baa5f2ab79e4027751;hp=8cdafd6f9b4f01ebc0eb09e4ed36030344239c8f;hb=8280a5e1a6cfd155edfafe882439b8c04c6a4509;hpb=52c5c5ab9ba33755e26f06f41de608f825866a53 diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/DeliveryQueue.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/DeliveryQueue.java index 8cdafd6f..4d336b73 100644 --- a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/DeliveryQueue.java +++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/DeliveryQueue.java @@ -27,51 +27,60 @@ package org.onap.dmaap.datarouter.node; import com.att.eelf.configuration.EELFLogger; import com.att.eelf.configuration.EELFManager; import java.io.File; +import java.util.ArrayList; import java.util.Arrays; -import java.util.Hashtable; -import java.util.Vector; +import java.util.HashMap; +import java.util.List; import org.jetbrains.annotations.Nullable; /** * Mechanism for monitoring and controlling delivery of files to a destination. * - *

The DeliveryQueue class maintains lists of DeliveryTasks for a single destination (a subscription or another data - * router node) and assigns delivery threads to try to deliver them. It also maintains a delivery status that causes it - * to back off on delivery attempts after a failure. + *

The DeliveryQueue class maintains lists of DeliveryTasks for a single + * destination (a subscription or another data router node) and assigns + * delivery threads to try to deliver them. It also maintains a delivery + * status that causes it to back off on delivery attempts after a failure. * - *

If the most recent delivery result was a failure, then no more attempts will be made for a period of time. - * Initially, and on the first failure following a success, this delay will be DeliveryQueueHelper.getInitFailureTimer() - * (milliseconds). If, after this delay, additional failures occur, each failure will multiply the delay by - * DeliveryQueueHelper.getFailureBackoff() up to a maximum delay specified by DeliveryQueueHelper.getMaxFailureTimer(). - * Note that this behavior applies to the delivery queue as a whole and not to individual files in the queue. If - * multiple files are being delivered and one fails, the delay will be started. If a second delivery fails while the - * delay was active, it will not change the delay or change the duration of any subsequent delay. If, however, it - * succeeds, it will cancel the delay. + *

If the most recent delivery result was a failure, then no more attempts + * will be made for a period of time. Initially, and on the first failure + * following a success, this delay will be DeliveryQueueHelper.getInitFailureTimer() (milliseconds). + * If, after this delay, additional failures occur, each failure will + * multiply the delay by DeliveryQueueHelper.getFailureBackoff() up to a + * maximum delay specified by DeliveryQueueHelper.getMaxFailureTimer(). + * Note that this behavior applies to the delivery queue as a whole and not + * to individual files in the queue. If multiple files are being + * delivered and one fails, the delay will be started. If a second + * delivery fails while the delay was active, it will not change the delay + * or change the duration of any subsequent delay. + * If, however, it succeeds, it will cancel the delay. + * The queue maintains 3 collections of files to deliver: A todoList of + * files that will be attempted, a working set of files that are being + * attempted, and a retry set of files that were attempted and failed. + * Whenever the todoList is empty and needs to be refilled, a scan of the + * spool directory is made and the file names sorted. Any files in the working set are ignored. + * If a DeliveryTask for the file is in the retry set, then that delivery + * task is placed on the todoList. Otherwise, a new DeliveryTask for the + * file is created and placed on the todoList. + * If, when a DeliveryTask is about to be removed from the todoList, its + * age exceeds DeliveryQueueHelper.getExpirationTimer(), then it is instead + * marked as expired. * - *

The queue maintains 3 collections of files to deliver: A to do list of files that will be attempted, a working - * set of files that are being attempted, and a retry set of files that were attempted and failed. Whenever the to do - * list is empty and needs to be refilled, a scan of the spool directory is made and the file names sorted. Any files - * in the working set are ignored. If a DeliveryTask for the file is in the retry set, then that delivery task is placed - * on the to do list. Otherwise, a new DeliveryTask for the file is created and placed on the to do list. If, when a - * DeliveryTask is about to be removed from the to do list, its age exceeds DeliveryQueueHelper.getExpirationTimer(), - * then it is instead marked as expired. - * - *

A delivery queue also maintains a skip flag. This flag is true if the failure timer is active or if no files are - * found in a directory scan. + *

A delivery queue also maintains a skip flag. This flag is true if the + * failure timer is active or if no files are found in a directory scan. */ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { - private static EELFLogger logger = EELFManager.getInstance().getLogger(DeliveryQueue.class); private DeliveryQueueHelper deliveryQueueHelper; + private DestInfo destinationInfo; - private Hashtable working = new Hashtable<>(); - private Hashtable retry = new Hashtable<>(); + private HashMap working = new HashMap<>(); + private HashMap retry = new HashMap<>(); private int todoindex; private boolean failed; private long failduration; private long resumetime; private File dir; - private Vector todo = new Vector<>(); + private List todoList = new ArrayList<>(); /** * Create a delivery queue for a given destination info. @@ -94,8 +103,8 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { } DeliveryTask dt = retry.get(pubid); if (dt == null) { - for (int i = todoindex; i < todo.size(); i++) { - DeliveryTask xdt = todo.get(i); + for (int i = todoindex; i < todoList.size(); i++) { + DeliveryTask xdt = todoList.get(i); if (xdt.getPublishId().equals(pubid)) { dt = xdt; break; @@ -111,8 +120,8 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { if (dt.isCleaned()) { return (0); } - StatusLog.logExp(dt.getPublishId(), dt.getFeedId(), dt.getSubId(), dt.getURL(), dt.getMethod(), dt.getCType(), - dt.getLength(), "diskFull", dt.getAttempts()); + StatusLog.logExp(dt.getPublishId(), dt.getFeedId(), dt.getSubId(), dt.getURL(), + dt.getMethod(), dt.getCType(), dt.getLength(), "diskFull", dt.getAttempts()); dt.clean(); return (dt.getLength()); } @@ -122,6 +131,7 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { */ private synchronized void markSuccess(DeliveryTask task) { working.remove(task.getPublishId()); + logger.info(task.getPublishId() + " marked as success."); task.clean(); failed = false; failduration = 0; @@ -131,6 +141,7 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { * Mark that a delivery task has expired. */ private synchronized void markExpired(DeliveryTask task) { + logger.info(task.getPublishId() + " marked as expired."); task.clean(); } @@ -139,6 +150,7 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { */ private synchronized void markFailNoRetry(DeliveryTask task) { working.remove(task.getPublishId()); + logger.info(task.getPublishId() + " marked as failed permanently"); task.clean(); failed = false; failduration = 0; @@ -168,6 +180,7 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { */ private synchronized void markRedirect(DeliveryTask task) { working.remove(task.getPublishId()); + logger.info(task.getPublishId() + " marked as redirected."); retry.put(task.getPublishId(), task); } @@ -176,6 +189,7 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { */ private synchronized void markFailWithRetry(DeliveryTask task) { working.remove(task.getPublishId()); + logger.info(task.getPublishId() + " marked as temporarily failed."); retry.put(task.getPublishId(), task); fdupdate(); } @@ -206,19 +220,20 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { } } while (true) { - if (todoindex >= todo.size()) { + if (todoindex >= todoList.size()) { todoindex = 0; - todo = new Vector<>(); + todoList = new ArrayList<>(); String[] files = dir.list(); Arrays.sort(files); scanForNextTask(files); - retry = new Hashtable<>(); + retry = new HashMap<>(); } DeliveryTask dt = getDeliveryTask(mindate); if (dt != null) { return dt; } return null; + } } @@ -267,8 +282,8 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { StatusLog.logDel(task.getPublishId(), task.getFeedId(), task.getSubId(), task.getURL(), task.getMethod(), task.getCType(), task.getLength(), destinationInfo.getAuthUser(), status, xpubid); if (destinationInfo.isPrivilegedSubscriber()) { - task.setResumeTime( - System.currentTimeMillis() + deliveryQueueHelper.getWaitForFileProcessFailureTimer()); + task.setResumeTime(System.currentTimeMillis() + + deliveryQueueHelper.getWaitForFileProcessFailureTimer()); markFailWithRetry(task); } else { markSuccess(task); @@ -279,9 +294,8 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { if (deliveryQueueHelper.handleRedirection(destinationInfo, location, task.getFileId())) { markRedirect(task); } else { - StatusLog - .logExp(task.getPublishId(), task.getFeedId(), task.getSubId(), task.getURL(), task.getMethod(), - task.getCType(), task.getLength(), "notRetryable", task.getAttempts()); + StatusLog.logExp(task.getPublishId(), task.getFeedId(), task.getSubId(), task.getURL(), + task.getMethod(), task.getCType(), task.getLength(), "notRetryable", task.getAttempts()); markFailNoRetry(task); } } else if (status < 500 && status != 429) { @@ -327,13 +341,15 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { } /** - * Deliver files until there's a failure or there are no more files to deliver. + * Deliver files until there's a failure or there are no more. + * files to deliver */ public void run() { DeliveryTask task; long endtime = System.currentTimeMillis() + deliveryQueueHelper.getFairTimeLimit(); int filestogo = deliveryQueueHelper.getFairFileLimit(); while ((task = getNext()) != null) { + logger.info("Processing file: " + task.getPublishId()); task.run(); if (--filestogo <= 0 || System.currentTimeMillis() > endtime) { break; @@ -342,7 +358,7 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { } /** - * Is there no work to do for this queue right now. + * Is there no work to do for this queue right now?. */ synchronized boolean isSkipSet() { return (peekNext() == null); @@ -385,14 +401,14 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { if (dt == null) { dt = new DeliveryTask(this, pubId); } - todo.add(dt); + todoList.add(dt); } } @Nullable private DeliveryTask getDeliveryTask(long mindate) { - if (todoindex < todo.size()) { - DeliveryTask dt = todo.get(todoindex); + if (todoindex < todoList.size()) { + DeliveryTask dt = todoList.get(todoindex); if (dt.isCleaned()) { todoindex++; } @@ -433,4 +449,4 @@ public class DeliveryQueue implements Runnable, DeliveryTaskHelper { } return fname2; } -} +} \ No newline at end of file