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Posted to commits@storm.apache.org by bo...@apache.org on 2014/06/09 15:48:07 UTC
[02/32] git commit: STORM-297, add thread factory and TransferDrainer
STORM-297, add thread factory and TransferDrainer
Project: http://git-wip-us.apache.org/repos/asf/incubator-storm/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-storm/commit/be8f8327
Tree: http://git-wip-us.apache.org/repos/asf/incubator-storm/tree/be8f8327
Diff: http://git-wip-us.apache.org/repos/asf/incubator-storm/diff/be8f8327
Branch: refs/heads/master
Commit: be8f8327b3c2d36e89420d62fb8ca530ba726cf3
Parents: 861a92e
Author: Sean Zhong <cl...@gmail.com>
Authored: Wed May 7 11:17:53 2014 +0800
Committer: Sean Zhong <cl...@gmail.com>
Committed: Wed May 7 11:17:53 2014 +0800
----------------------------------------------------------------------
.../netty/NettyRenameThreadFactory.java | 35 ++++++
.../backtype/storm/utils/TransferDrainer.java | 113 +++++++++++++++++++
2 files changed, 148 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-storm/blob/be8f8327/storm-core/src/jvm/backtype/storm/messaging/netty/NettyRenameThreadFactory.java
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diff --git a/storm-core/src/jvm/backtype/storm/messaging/netty/NettyRenameThreadFactory.java b/storm-core/src/jvm/backtype/storm/messaging/netty/NettyRenameThreadFactory.java
new file mode 100644
index 0000000..ea3f249
--- /dev/null
+++ b/storm-core/src/jvm/backtype/storm/messaging/netty/NettyRenameThreadFactory.java
@@ -0,0 +1,35 @@
+package backtype.storm.messaging.netty;
+
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.jboss.netty.util.ThreadNameDeterminer;
+import org.jboss.netty.util.ThreadRenamingRunnable;
+
+public class NettyRenameThreadFactory implements ThreadFactory {
+
+ static {
+ //Rename Netty threads
+ ThreadRenamingRunnable.setThreadNameDeterminer(ThreadNameDeterminer.CURRENT);
+ }
+
+ final ThreadGroup group;
+ final AtomicInteger index = new AtomicInteger(1);
+ final String name;
+
+ NettyRenameThreadFactory(String name) {
+ SecurityManager s = System.getSecurityManager();
+ group = (s != null)? s.getThreadGroup() :
+ Thread.currentThread().getThreadGroup();
+ this.name = name;
+ }
+
+ public Thread newThread(Runnable r) {
+ Thread t = new Thread(group, r, name + "-" + index.getAndIncrement(), 0);
+ if (t.isDaemon())
+ t.setDaemon(false);
+ if (t.getPriority() != Thread.NORM_PRIORITY)
+ t.setPriority(Thread.NORM_PRIORITY);
+ return t;
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/incubator-storm/blob/be8f8327/storm-core/src/jvm/backtype/storm/utils/TransferDrainer.java
----------------------------------------------------------------------
diff --git a/storm-core/src/jvm/backtype/storm/utils/TransferDrainer.java b/storm-core/src/jvm/backtype/storm/utils/TransferDrainer.java
new file mode 100644
index 0000000..c9f1b04
--- /dev/null
+++ b/storm-core/src/jvm/backtype/storm/utils/TransferDrainer.java
@@ -0,0 +1,113 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 backtype.storm.utils;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+
+import backtype.storm.messaging.IConnection;
+import backtype.storm.messaging.TaskMessage;
+
+public class TransferDrainer {
+
+ private HashMap<String, ArrayList<ArrayList<TaskMessage>>> bundles = new HashMap();
+
+ public void add(HashMap<String, ArrayList<TaskMessage>> workerTupleSetMap) {
+ for (String key : workerTupleSetMap.keySet()) {
+
+ ArrayList<ArrayList<TaskMessage>> bundle = bundles.get(key);
+ if (null == bundle) {
+ bundle = new ArrayList<ArrayList<TaskMessage>>();
+ bundles.put(key, bundle);
+ }
+
+ ArrayList tupleSet = workerTupleSetMap.get(key);
+ if (null != tupleSet && tupleSet.size() > 0) {
+ bundle.add(tupleSet);
+ }
+ }
+ }
+
+ public void send(HashMap<String, IConnection> connections) {
+ for (String hostPort : bundles.keySet()) {
+ IConnection connection = connections.get(hostPort);
+ if (null != connection) {
+ ArrayList<ArrayList<TaskMessage>> bundle = bundles.get(hostPort);
+ Iterator<TaskMessage> iter = getBundleIterator(bundle);
+ if (null != iter) {
+ connection.send(iter);
+ }
+ }
+ }
+ }
+
+ private Iterator<TaskMessage> getBundleIterator(final ArrayList<ArrayList<TaskMessage>> bundle) {
+
+ if (null == bundle) {
+ return null;
+ }
+
+ return new Iterator<TaskMessage> () {
+
+ private int offset = 0;
+ private int size = 0;
+ {
+ for (ArrayList<TaskMessage> list : bundle) {
+ size += list.size();
+ }
+ }
+
+ private int bundleOffset = 0;
+ private Iterator<TaskMessage> iter = bundle.get(bundleOffset).iterator();
+
+ @Override
+ public boolean hasNext() {
+ if (offset < size) {
+ return true;
+ }
+ return false;
+ }
+
+ @Override
+ public TaskMessage next() {
+ TaskMessage msg = null;
+ if (iter.hasNext()) {
+ msg = iter.next();
+ } else {
+ bundleOffset++;
+ iter = bundle.get(bundleOffset).iterator();
+ msg = iter.next();
+ }
+ if (null != msg) {
+ offset++;
+ }
+ return msg;
+ }
+
+ @Override
+ public void remove() {
+ throw new RuntimeException("not supported");
+ }
+ };
+ }
+
+ public void clear() {
+ bundles.clear();
+ }
+}
\ No newline at end of file