You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@nifi.apache.org by oz...@apache.org on 2017/01/25 18:25:30 UTC
[2/2] nifi git commit: NIFI-2615 Adding GetTCP processor
NIFI-2615 Adding GetTCP processor
NIFI-2615 Addressing changes from P/R. Specifically, removing .gitignore as it should not be there for a nar. Removed non-used class. Changed name in notice
Project: http://git-wip-us.apache.org/repos/asf/nifi/repo
Commit: http://git-wip-us.apache.org/repos/asf/nifi/commit/3626abd7
Tree: http://git-wip-us.apache.org/repos/asf/nifi/tree/3626abd7
Diff: http://git-wip-us.apache.org/repos/asf/nifi/diff/3626abd7
Branch: refs/heads/master
Commit: 3626abd78a807a4ff806d51e7d27194f9fb7c961
Parents: 1a6802a
Author: Andrew Psaltis <ps...@gmail.com>
Authored: Thu Jan 19 18:28:21 2017 -0500
Committer: Oleg Zhurakousky <ol...@suitcase.io>
Committed: Wed Jan 25 13:22:50 2017 -0500
----------------------------------------------------------------------
.../nifi-tcp-bundle/nifi-tcp-nar/pom.xml | 41 +++
.../src/main/resources/META-INF/LICENSE | 212 +++++++++++++
.../src/main/resources/META-INF/NOTICE | 24 ++
.../nifi-tcp-bundle/nifi-tcp-processors/pom.xml | 51 ++++
.../gettcp/AbstractSocketHandler.java | 257 ++++++++++++++++
.../apache/nifi/processors/gettcp/GetTCP.java | 302 +++++++++++++++++++
.../nifi/processors/gettcp/GetTCPUtils.java | 85 ++++++
.../nifi/processors/gettcp/MessageHandler.java | 24 ++
.../nifi/processors/gettcp/ReceivingClient.java | 166 ++++++++++
.../org.apache.nifi.processor.Processor | 15 +
.../processors/gettcp/ReceivingClientTest.java | 199 ++++++++++++
.../apache/nifi/processors/gettcp/Server.java | 91 ++++++
.../nifi/processors/gettcp/TestGetTCP.java | 118 ++++++++
.../src/test/resources/log4j.properties | 8 +
nifi-nar-bundles/nifi-tcp-bundle/pom.xml | 35 +++
nifi-nar-bundles/pom.xml | 1 +
16 files changed, 1629 insertions(+)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/pom.xml
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/pom.xml b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/pom.xml
new file mode 100644
index 0000000..5227431
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/pom.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.nifi</groupId>
+ <artifactId>nifi-tcp-bundle</artifactId>
+ <version>1.2.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>nifi-tcp-nar</artifactId>
+ <version>1.2.0-SNAPSHOT</version>
+ <packaging>nar</packaging>
+ <properties>
+ <maven.javadoc.skip>true</maven.javadoc.skip>
+ <source.skip>true</source.skip>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.nifi</groupId>
+ <artifactId>nifi-tcp-processors</artifactId>
+ <version>1.2.0-SNAPSHOT</version>
+ </dependency>
+ </dependencies>
+
+</project>
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/src/main/resources/META-INF/LICENSE
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/src/main/resources/META-INF/LICENSE b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/src/main/resources/META-INF/LICENSE
new file mode 100644
index 0000000..a57b09a
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/src/main/resources/META-INF/LICENSE
@@ -0,0 +1,212 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
+ publicly display, publicly perform, sublicense, and distribute the
+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
+ by such Contributor that are necessarily infringed by their
+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
+ identification within third-party archives.
+
+ Copyright [yyyy] [name of copyright owner]
+
+ 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.
+
+
+APACHE NIFI SUBCOMPONENTS:
+
+The Apache NiFi project contains subcomponents with separate copyright
+notices and license terms. Your use of the source code for the these
+subcomponents is subject to the terms and conditions of the following
+licenses.
+
+
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/src/main/resources/META-INF/NOTICE
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/src/main/resources/META-INF/NOTICE b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/src/main/resources/META-INF/NOTICE
new file mode 100644
index 0000000..970a1e6
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-nar/src/main/resources/META-INF/NOTICE
@@ -0,0 +1,24 @@
+nifi-tcp-nar
+Copyright 2015-2017 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+===========================================
+Apache Software License v2
+===========================================
+
+The following binary components are provided under the Apache Software License v2
+
+ (ASLv2) Apache Commons IO
+ The following NOTICE information applies:
+ Apache Commons IO
+ Copyright 2002-2017 The Apache Software Foundation
+
+ (ASLv2) Apache Commons Lang
+ The following NOTICE information applies:
+ Apache Commons Lang
+ Copyright 2001-2015 The Apache Software Foundation
+
+ This product includes software from the Spring Framework,
+ under the Apache License 2.0 (see: StringUtils.containsWhitespace())
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/pom.xml
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/pom.xml b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/pom.xml
new file mode 100644
index 0000000..5e9cad4
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/pom.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 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. -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.nifi</groupId>
+ <artifactId>nifi-tcp-bundle</artifactId>
+ <version>1.2.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>nifi-tcp-processors</artifactId>
+ <packaging>jar</packaging>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.nifi</groupId>
+ <artifactId>nifi-api</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.nifi</groupId>
+ <artifactId>nifi-processor-utils</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.nifi</groupId>
+ <artifactId>nifi-mock</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-simple</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>4.11</version>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+</project>
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/AbstractSocketHandler.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/AbstractSocketHandler.java b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/AbstractSocketHandler.java
new file mode 100644
index 0000000..f275629
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/AbstractSocketHandler.java
@@ -0,0 +1,257 @@
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * 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.apache.nifi.processors.gettcp;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.NetworkChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.SocketChannel;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Base class to implement async TCP Client/Server components
+ *
+ */
+abstract class AbstractSocketHandler {
+
+ final Logger logger = LoggerFactory.getLogger(this.getClass());
+
+ private final ByteBuffer readingBuffer;
+
+ private final Runnable listenerTask;
+
+ private volatile ExecutorService listenerTaskExecutor;
+
+ final InetSocketAddress address;
+
+ volatile NetworkChannel rootChannel;
+
+ volatile Selector selector;
+
+ private final AtomicBoolean isRunning;
+
+ protected final byte endOfMessageByte;
+
+ /**
+ *
+ * @param address
+ * @param server
+ */
+ public AbstractSocketHandler(InetSocketAddress address, int readingBufferSize, byte endOfMessageByte) {
+ this.address = address;
+ this.listenerTask = new ListenerTask();
+ this.readingBuffer = ByteBuffer.allocate(readingBufferSize);
+ this.isRunning = new AtomicBoolean();
+ this.endOfMessageByte = endOfMessageByte;
+ }
+
+ /**
+ *
+ * @return
+ */
+ public void start() {
+ if (this.isRunning.compareAndSet(false, true)) {
+ try {
+ if (this.selector == null || !this.selector.isOpen()) {
+ this.selector = Selector.open();
+ InetSocketAddress connectedAddress = this.connect();
+ this.listenerTaskExecutor = Executors.newCachedThreadPool();
+ this.listenerTaskExecutor.execute(this.listenerTask);
+ if (logger.isDebugEnabled()) {
+ logger.debug("Started listener for " + AbstractSocketHandler.this.getClass().getSimpleName());
+ }
+ if (logger.isInfoEnabled()) {
+ logger.info("Successfully bound to " + connectedAddress);
+ }
+ }
+ } catch (Exception e) {
+ this.stop();
+ throw new IllegalStateException("Failed to start " + this.getClass().getName(), e);
+ }
+ }
+ }
+
+ /**
+ *
+ * @param force
+ */
+ public void stop() {
+ if (this.isRunning.compareAndSet(true, false)) {
+ try {
+ if (this.selector != null && this.selector.isOpen()) { // since stop must be idempotent, we need to check if selector is open to avoid ClosedSelectorException
+ Set<SelectionKey> selectionKeys = new HashSet<>(this.selector.keys());
+ for (SelectionKey key : selectionKeys) {
+ key.cancel();
+ try {
+ key.channel().close();
+ } catch (IOException e) {
+ logger.warn("Failure while closing channel", e);
+ }
+ }
+ try {
+ this.selector.close();
+ } catch (Exception e) {
+ logger.warn("Failure while closinig selector", e);
+ }
+ logger.info(this.getClass().getSimpleName() + " is stopped listening on " + address);
+ }
+ } finally {
+ if (this.listenerTaskExecutor != null) {
+ this.listenerTaskExecutor.shutdown();
+ }
+ }
+ }
+ }
+
+ /**
+ * Checks if this component is running.
+ */
+ public boolean isRunning() {
+ return this.isRunning.get();
+ }
+
+ /**
+ *
+ * @throws Exception
+ */
+ abstract InetSocketAddress connect() throws Exception;
+
+ /**
+ * Will process the data received from the channel
+ * @param selectionKey key for the channel the data came from
+ * @param buffer buffer of received data
+ * @throws IOException
+ */
+ abstract void processData(SelectionKey selectionKey, ByteBuffer buffer) throws IOException;
+
+ /**
+ *
+ * @param selectionKey
+ * @throws IOException
+ */
+ void doAccept(SelectionKey selectionKey) throws IOException {
+ // noop
+ }
+
+ /**
+ * Main listener task which will process delegate {@link SelectionKey}
+ * selected from the {@link Selector} to the appropriate processing method
+ * (e.g., accept, read, write etc.)
+ */
+ private class ListenerTask implements Runnable {
+ @Override
+ public void run() {
+ try {
+ while (AbstractSocketHandler.this.rootChannel != null && AbstractSocketHandler.this.rootChannel.isOpen() && AbstractSocketHandler.this.selector.isOpen()) {
+ if (AbstractSocketHandler.this.selector.isOpen() && AbstractSocketHandler.this.selector.select(10) > 0) {
+ Iterator<SelectionKey> keys = AbstractSocketHandler.this.selector.selectedKeys().iterator();
+ while (keys.hasNext()) {
+ SelectionKey selectionKey = keys.next();
+ keys.remove();
+ if (selectionKey.isValid()) {
+ if (selectionKey.isAcceptable()) {
+ this.accept(selectionKey);
+ } else if (selectionKey.isReadable()) {
+ this.read(selectionKey);
+ } else if (selectionKey.isConnectable()) {
+ this.connect(selectionKey);
+ }
+ }
+ }
+ }
+ }
+ } catch (Exception e) {
+ logger.error("Exception in socket listener loop", e);
+ }
+
+ logger.debug("Exited Listener loop.");
+ AbstractSocketHandler.this.stop();
+ }
+
+ /**
+ *
+ */
+ private void accept(SelectionKey selectionKey) throws IOException {
+ AbstractSocketHandler.this.doAccept(selectionKey);
+ }
+
+ /**
+ *
+ */
+ private void connect(SelectionKey selectionKey) throws IOException {
+ SocketChannel clientChannel = (SocketChannel) selectionKey.channel();
+ if (clientChannel.isConnectionPending()) {
+ clientChannel.finishConnect();
+ }
+ clientChannel.register(AbstractSocketHandler.this.selector, SelectionKey.OP_READ);
+ }
+
+ /**
+ * The main read loop which reads packets from the channel and sends
+ * them to implementations of
+ * {@link AbstractSocketHandler#processData(SelectionKey, ByteBuffer)}.
+ * So if a given implementation is a Server it is probably going to
+ * broadcast received message to all connected sockets (e.g., chat
+ * server). If such implementation is the Client, then it is most likely
+ * the end of the road where message is processed.
+ */
+ private void read(SelectionKey selectionKey) throws IOException {
+ SocketChannel socketChannel = (SocketChannel) selectionKey.channel();
+
+ int count = -1;
+ boolean finished = false;
+ while (!finished && (count = socketChannel.read(AbstractSocketHandler.this.readingBuffer)) > 0){
+ byte lastByte = AbstractSocketHandler.this.readingBuffer.get(AbstractSocketHandler.this.readingBuffer.position() - 1);
+ if (AbstractSocketHandler.this.readingBuffer.remaining() == 0 || lastByte == AbstractSocketHandler.this.endOfMessageByte) {
+ this.processBuffer(selectionKey);
+ if (lastByte == AbstractSocketHandler.this.endOfMessageByte) {
+ finished = true;
+ }
+ }
+ }
+
+ if (count == -1) {
+ if (AbstractSocketHandler.this.readingBuffer.position() > 0) {// flush remainder, since nothing else is coming
+ this.processBuffer(selectionKey);
+ }
+ selectionKey.cancel();
+ socketChannel.close();
+ if (logger.isInfoEnabled()) {
+ logger.info("Connection closed by: " + socketChannel.socket());
+ }
+ }
+ }
+
+ private void processBuffer(SelectionKey selectionKey) throws IOException {
+ AbstractSocketHandler.this.readingBuffer.flip();
+ byte[] message = new byte[AbstractSocketHandler.this.readingBuffer.limit()];
+ AbstractSocketHandler.this.readingBuffer.get(message);
+ AbstractSocketHandler.this.processData(selectionKey, ByteBuffer.wrap(message));
+ AbstractSocketHandler.this.readingBuffer.clear();
+ }
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/GetTCP.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/GetTCP.java b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/GetTCP.java
new file mode 100644
index 0000000..c366929
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/GetTCP.java
@@ -0,0 +1,302 @@
+/*
+ * 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 org.apache.nifi.processors.gettcp;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.net.InetSocketAddress;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.SideEffectFree;
+import org.apache.nifi.annotation.behavior.TriggerSerially;
+import org.apache.nifi.annotation.behavior.WritesAttribute;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.annotation.lifecycle.OnStopped;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.AbstractSessionFactoryProcessor;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.ProcessSessionFactory;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.io.OutputStreamCallback;
+import org.apache.nifi.processor.util.StandardValidators;
+
+@TriggerSerially
+@SideEffectFree
+@Tags({"get", "fetch", "poll", "tcp", "ingest", "source", "input"})
+@InputRequirement(InputRequirement.Requirement.INPUT_FORBIDDEN)
+@CapabilityDescription("Connects over TCP to the provided endpoint(s). Received data will be written as content to the FlowFile")
+@WritesAttribute(attribute = "source.endpoint", description = "The address of the source endpoint the message came from")
+public class GetTCP extends AbstractSessionFactoryProcessor {
+
+ private static String SOURCE_ENDPOINT_ATTRIBUTE = "source.endpoint";
+
+ public static final PropertyDescriptor ENDPOINT_LIST = new PropertyDescriptor.Builder()
+ .name("endpoint-list")
+ .displayName("Endpoint List")
+ .description("A comma delimited list of the endpoints to connect to. The format should be " +
+ "<server_address>:<port>. Only one server will be connected to at a time, the others " +
+ "will be used as fail overs.")
+ .required(true)
+ .addValidator(GetTCPUtils.ENDPOINT_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor CONNECTION_ATTEMPT_COUNT = new PropertyDescriptor.Builder()
+ .name("connection-attempt-timeout")
+ .displayName("Connection Attempt Count")
+ .description("The number of times to try and establish a connection, before using a backup host if available." +
+ " This same attempt count would be used for a backup host as well.")
+ .required(true)
+ .addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
+ .defaultValue("3")
+ .build();
+
+ public static final PropertyDescriptor RECONNECT_INTERVAL = new PropertyDescriptor.Builder()
+ .name("reconnect-interval")
+ .displayName("Reconnect interval")
+ .description("The number of seconds to wait before attempting to reconnect to the endpoint.")
+ .required(true)
+ .addValidator(StandardValidators.TIME_PERIOD_VALIDATOR)
+ .defaultValue("5 sec")
+ .build();
+
+ public static final PropertyDescriptor RECEIVE_BUFFER_SIZE = new PropertyDescriptor.Builder()
+ .name("receive-buffer-size")
+ .displayName("Receive Buffer Size")
+ .description("The size of the buffer to receive data in")
+ .required(false)
+ .defaultValue("2048")
+ .addValidator(StandardValidators.createLongValidator(1, 2048, true))
+ .build();
+
+ public static final PropertyDescriptor END_OF_MESSAGE_BYTE = new PropertyDescriptor.Builder()
+ .name("end-of-message-byte")
+ .displayName("End of message delimiter byte")
+ .description("Byte value which denotes end of message. Must be specified as integer within "
+ + "the valid byte range (-128 thru 127). For example, '13' = Carriage return and '10' = New line. Default '13'.")
+ .required(true)
+ .defaultValue("13")
+ .addValidator(StandardValidators.createLongValidator(-128, 127, true))
+ .build();
+
+
+ public static final Relationship REL_SUCCESS = new Relationship.Builder()
+ .name("Success")
+ .description("The relationship that all sucessful messages from the endpoint will be sent to.")
+ .build();
+
+ public static final Relationship REL_PARTIAL = new Relationship.Builder()
+ .name("Partial")
+ .description("The relationship that all incomplete messages from the endpoint will be sent to. "
+ + "Incomplete message is the message that doesn't end with 'End of message delimiter byte'. "
+ + "This can happen when 'Receive Buffer Size' is smaller then the incoming message. If that happens that "
+ + "the subsequent message that completes the previous incomplete message will also end up in this "
+ + "relationship, after which subsequent 'complete' messages will go to 'success'.")
+ .build();
+
+ private final static List<PropertyDescriptor> DESCRIPTORS;
+
+ private final static Set<Relationship> RELATIONSHIPS;
+
+ /*
+ * Will ensure that the list of property descriptors is build only once.
+ * Will also create a Set of relationships
+ */
+ static {
+ List<PropertyDescriptor> _propertyDescriptors = new ArrayList<>();
+ _propertyDescriptors.add(ENDPOINT_LIST);
+ _propertyDescriptors.add(CONNECTION_ATTEMPT_COUNT);
+ _propertyDescriptors.add(RECONNECT_INTERVAL);
+ _propertyDescriptors.add(RECEIVE_BUFFER_SIZE);
+ _propertyDescriptors.add(END_OF_MESSAGE_BYTE);
+
+ DESCRIPTORS = Collections.unmodifiableList(_propertyDescriptors);
+
+ Set<Relationship> _relationships = new HashSet<>();
+ _relationships.add(REL_SUCCESS);
+ _relationships.add(REL_PARTIAL);
+ RELATIONSHIPS = Collections.unmodifiableSet(_relationships);
+ }
+
+ private final Map<String, String> dynamicAttributes = new HashMap<>();
+
+ private final Map<String, ReceivingClient> liveTcpClients = new HashMap<>();
+
+ private volatile NiFiDelegatingMessageHandler delegatingMessageHandler;
+
+ private volatile ScheduledThreadPoolExecutor clientScheduler;
+
+ private volatile String originalServerAddressList;
+
+ private volatile int receiveBufferSize;
+
+ private volatile int connectionAttemptCount;
+
+ private volatile long reconnectInterval;
+
+ private volatile byte endOfMessageByte;
+
+ @Override
+ public Set<Relationship> getRelationships() {
+ return RELATIONSHIPS;
+ }
+
+ @Override
+ public final List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+ return DESCRIPTORS;
+ }
+
+ @OnScheduled
+ public void onScheduled(final ProcessContext context) throws ProcessException {
+ this.receiveBufferSize = context.getProperty(RECEIVE_BUFFER_SIZE).asInteger();
+ this.originalServerAddressList = context.getProperty(ENDPOINT_LIST).getValue();
+ this.endOfMessageByte = ((byte) context.getProperty(END_OF_MESSAGE_BYTE).asInteger().intValue());
+ this.connectionAttemptCount = context.getProperty(CONNECTION_ATTEMPT_COUNT).asInteger();
+ this.reconnectInterval = context.getProperty(RECONNECT_INTERVAL).asTimePeriod(TimeUnit.MILLISECONDS);
+
+ this.clientScheduler = new ScheduledThreadPoolExecutor(originalServerAddressList.split(",").length + 1);
+ this.clientScheduler.setKeepAliveTime(10, TimeUnit.SECONDS);
+ this.clientScheduler.allowCoreThreadTimeOut(true);
+
+ for (final Map.Entry<PropertyDescriptor, String> entry : context.getProperties().entrySet()) {
+ final PropertyDescriptor descriptor = entry.getKey();
+ if (descriptor.isDynamic()) {
+ this.dynamicAttributes.put(descriptor.getName(), entry.getValue());
+ }
+ }
+ }
+
+ @Override
+ public void onTrigger(ProcessContext context, ProcessSessionFactory sessionFactory) throws ProcessException {
+ if (this.delegatingMessageHandler == null) {
+ this.delegatingMessageHandler = new NiFiDelegatingMessageHandler(sessionFactory);
+ }
+ this.run(context);
+ context.yield();
+ }
+
+ @OnStopped
+ public void tearDown() throws ProcessException {
+ for (ReceivingClient client : this.liveTcpClients.values()) {
+ try {
+ client.stop();
+ } catch (Exception e) {
+ this.getLogger().warn("Failure while stopping client '" + client + "'", e);
+ }
+ }
+ this.liveTcpClients.clear();
+ this.clientScheduler.shutdown();
+ try {
+ if (!this.clientScheduler.awaitTermination(10000, TimeUnit.MILLISECONDS)) {
+ this.getLogger().info("Failed to stop client scheduler in 10 sec. Terminating");
+ this.clientScheduler.shutdownNow();
+ }
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ }
+ this.getLogger().info("Processor has successfully shut down");
+ }
+
+ @Override
+ protected PropertyDescriptor getSupportedDynamicPropertyDescriptor(final String propertyDescriptorName) {
+ return new PropertyDescriptor.Builder().required(false).name(propertyDescriptorName)
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR).dynamic(true).expressionLanguageSupported(true)
+ .build();
+ }
+
+ private void run(ProcessContext context) {
+ String[] serverAddresses = this.originalServerAddressList.split(",");
+ for (String hostPortPair : serverAddresses) {
+ ReceivingClient client;
+ if (!this.liveTcpClients.containsKey(hostPortPair)) {
+ String[] hostAndPort = hostPortPair.split(":");
+ InetSocketAddress address = new InetSocketAddress(hostAndPort[0], Integer.parseInt(hostAndPort[1]));
+ client = new ReceivingClient(address, this.clientScheduler, this.receiveBufferSize, this.endOfMessageByte);
+ client.setReconnectAttempts(this.connectionAttemptCount);
+ client.setDelayMillisBeforeReconnect(this.reconnectInterval);
+ client.setMessageHandler(this.delegatingMessageHandler);
+ this.liveTcpClients.put(hostPortPair, client);
+ this.startClient(client);
+ } else {
+ client = this.liveTcpClients.get(hostPortPair);
+ if (!client.isRunning()) {
+ client.stop(); // primarily for cleanup in the event of abnormal termination
+ this.startClient(client);
+ }
+ }
+ }
+ }
+
+ private void startClient(ReceivingClient client) {
+ this.clientScheduler.execute(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ client.start();
+ } catch (Exception e) {
+ getLogger().warn("Failed to start listening client. Will attempt to start on another trigger cycle.", e);
+ }
+ }
+ });
+ }
+
+ /**
+ *
+ */
+ private class NiFiDelegatingMessageHandler implements MessageHandler {
+ private final ProcessSessionFactory sessionFactory;
+
+ NiFiDelegatingMessageHandler(ProcessSessionFactory sessionFactory) {
+ this.sessionFactory = sessionFactory;
+ }
+
+ @Override
+ public void handle(InetSocketAddress sourceAddress, byte[] message, boolean partialMessage) {
+ ProcessSession session = this.sessionFactory.createSession();
+ FlowFile flowFile = session.create();
+ flowFile = session.write(flowFile, new OutputStreamCallback() {
+ @Override
+ public void process(OutputStream out) throws IOException {
+ out.write(message);
+ }
+ });
+ flowFile = session.putAttribute(flowFile, SOURCE_ENDPOINT_ATTRIBUTE, sourceAddress.toString());
+ if (!GetTCP.this.dynamicAttributes.isEmpty()) {
+ flowFile = session.putAllAttributes(flowFile, GetTCP.this.dynamicAttributes);
+ }
+ if (partialMessage) {
+ session.transfer(flowFile, REL_PARTIAL);
+ } else {
+ session.transfer(flowFile, REL_SUCCESS);
+ }
+ session.commit();
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/GetTCPUtils.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/GetTCPUtils.java b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/GetTCPUtils.java
new file mode 100644
index 0000000..845dda8
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/GetTCPUtils.java
@@ -0,0 +1,85 @@
+/*
+ * 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 org.apache.nifi.processors.gettcp;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.nifi.components.ValidationContext;
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.components.Validator;
+import org.apache.nifi.processor.util.StandardValidators;
+
+class GetTCPUtils {
+
+ private static final Pattern validIpAddressRegex = Pattern.compile(
+ "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$");
+
+ private static final Pattern validHostnameRegex = Pattern.compile(
+ "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]*[a-zA-Z0-9])\\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\\-]*[A-Za-z0-9])$");
+
+ private static final Pattern looksLikeIpRegex = Pattern.compile("^(\\d+)\\.(\\d+)\\.(\\d+)\\.(\\d+)$");
+
+ public static final Validator ENDPOINT_VALIDATOR = new Validator() {
+ @Override
+ public ValidationResult validate(final String subject, final String value, final ValidationContext context) {
+ if (null == value || value.isEmpty()) {
+ return new ValidationResult.Builder().subject(subject).input(value).valid(false)
+ .explanation(subject + " cannot be empty").build();
+ }
+ // The format should be <host>:<port>{,<host>:<port>}
+ // first split on ,
+ final String[] hostPortPairs = value.split(",");
+ boolean validHostPortPairs = true;
+ String reason = "";
+ String offendingSubject = subject;
+
+ if (0 == hostPortPairs.length) {
+ return new ValidationResult.Builder().subject(subject).input(value).valid(false)
+ .explanation(offendingSubject + " cannot be empty").build();
+ }
+
+ for (int i = 0; i < hostPortPairs.length && validHostPortPairs; i++) {
+ String[] parts = hostPortPairs[i].split(":");
+
+ if (parts.length != 2) {
+ validHostPortPairs = false;
+ reason = " of malformed URL '" + hostPortPairs[i] + "'";
+ } else {
+ Matcher validHost = validHostnameRegex.matcher(parts[0]);
+ Matcher validIp = validIpAddressRegex.matcher(parts[0]);
+ Matcher looksLikeValidIp = looksLikeIpRegex.matcher(parts[0]);
+ if (!validHost.find()) {
+ validHostPortPairs = false;
+ reason = " it contains invalid characters '" + parts[0] + "'";
+ } else if (looksLikeValidIp.find() && !validIp.find()) {
+ validHostPortPairs = false;
+ reason = " it appears to be represented as an IP address which is out of legal range '" + parts[0] + "'";
+ }
+ ValidationResult result = StandardValidators.PORT_VALIDATOR.validate(parts[1], parts[1], context);
+ if (!result.isValid()) {
+ validHostPortPairs = false;
+ reason = result.getExplanation();
+ }
+ }
+ }
+
+ return new ValidationResult.Builder().subject(offendingSubject).input(value).explanation(reason)
+ .valid(validHostPortPairs).build();
+ }
+ };
+}
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/MessageHandler.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/MessageHandler.java b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/MessageHandler.java
new file mode 100644
index 0000000..c6a6fea
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/MessageHandler.java
@@ -0,0 +1,24 @@
+/*
+ * 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 org.apache.nifi.processors.gettcp;
+
+import java.net.InetSocketAddress;
+
+public interface MessageHandler {
+
+ void handle(InetSocketAddress sourceAddress, byte[] message, boolean partialMessage);
+}
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/ReceivingClient.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/ReceivingClient.java b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/ReceivingClient.java
new file mode 100644
index 0000000..94c2d27
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/java/org/apache/nifi/processors/gettcp/ReceivingClient.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * 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.apache.nifi.processors.gettcp;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.SocketChannel;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * Implementation of receiving network client.
+ */
+public class ReceivingClient extends AbstractSocketHandler {
+
+ private final ScheduledExecutorService connectionScheduler;
+
+ private volatile InetSocketAddress backupAddress;
+
+ private volatile int reconnectAttempts;
+
+ private volatile long delayMillisBeforeReconnect;
+
+ private volatile MessageHandler messageHandler;
+
+ private volatile InetSocketAddress connectedAddress;
+
+ public ReceivingClient(InetSocketAddress address, ScheduledExecutorService connectionScheduler, int readingBufferSize, byte endOfMessageByte) {
+ super(address, readingBufferSize, endOfMessageByte);
+ this.connectionScheduler = connectionScheduler;
+ }
+
+ public void setBackupAddress(InetSocketAddress backupAddress) {
+ this.backupAddress = backupAddress;
+ }
+
+ public void setReconnectAttempts(int reconnectAttempts) {
+ this.reconnectAttempts = reconnectAttempts;
+ }
+
+ public void setDelayMillisBeforeReconnect(long delayMillisBeforeReconnect) {
+ this.delayMillisBeforeReconnect = delayMillisBeforeReconnect;
+ }
+
+ public void setMessageHandler(MessageHandler messageHandler) {
+ this.messageHandler = messageHandler;
+ }
+
+ /**
+ *
+ */
+ @Override
+ InetSocketAddress connect() throws Exception {
+ CountDownLatch latch = new CountDownLatch(1);
+ AtomicInteger attempt = new AtomicInteger();
+ AtomicReference<Exception> connectionError = new AtomicReference<Exception>();
+ this.connectionScheduler.execute(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ rootChannel = doConnect(address);
+ latch.countDown();
+ connectedAddress = address;
+ } catch (Exception e) {
+ if (logger.isInfoEnabled()) {
+ logger.info("Failed to connect to primary endpoint '" + address + "'.");
+ }
+ if (attempt.incrementAndGet() <= reconnectAttempts) {
+ if (logger.isInfoEnabled()) {
+ logger.info("Will attempt to reconnect to '" + address + "'.");
+ }
+ connectionScheduler.schedule(this, delayMillisBeforeReconnect, TimeUnit.MILLISECONDS);
+ } else {
+ if (backupAddress == null) {
+ connectionError.set(e);
+ } else {
+ try {
+ if (logger.isInfoEnabled()) {
+ logger.info("Every attempt to connect to '" + address + "' has failed.");
+ logger.info("Attempting to conect to secondary endppoint '" + backupAddress + "'.");
+ }
+ rootChannel = doConnect(backupAddress);
+ connectedAddress = backupAddress;
+ } catch (Exception re) {
+ logger.error("Failed to connect to secondary endpoint.");
+ connectionError.set(re);
+ }
+ }
+ latch.countDown();
+ }
+ }
+ }
+ });
+
+ try {
+ boolean finishedTask = latch.await(this.reconnectAttempts * delayMillisBeforeReconnect + 2000, TimeUnit.MILLISECONDS);
+ if (finishedTask){
+ if (connectionError.get() != null) {
+ throw connectionError.get();
+ }
+ } else {
+ logger.error("Exceeded wait time to connect. Possible deadlock, please report!. Interrupting."); // should never happen!
+ }
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ throw new IllegalStateException("Current thread is interrupted");
+ }
+ return this.connectedAddress;
+ }
+
+ private SocketChannel doConnect(InetSocketAddress addressToConnect) throws IOException {
+ SocketChannel channel = SocketChannel.open();
+ if (channel.connect(addressToConnect)) {
+ channel.configureBlocking(false);
+ channel.register(this.selector, SelectionKey.OP_READ);
+ } else {
+ throw new IllegalStateException("Failed to connect to Server at: " + addressToConnect);
+ }
+ return channel;
+ }
+
+ /**
+ *
+ */
+ @Override
+ void processData(SelectionKey selectionKey, ByteBuffer messageBuffer) throws IOException {
+ byte[] message = new byte[messageBuffer.limit()];
+ logger.debug("Received message(size=" + message.length + ")");
+ messageBuffer.get(message);
+ byte lastByteValue = message[message.length - 1];
+ boolean partialMessage = false;
+ if (lastByteValue != this.endOfMessageByte) {
+ partialMessage = true;
+ selectionKey.attach(1);
+ } else {
+ Integer wasLastPartial = (Integer) selectionKey.attachment();
+ if (wasLastPartial != null) {
+ if (wasLastPartial.intValue() == 1) {
+ partialMessage = true;
+ selectionKey.attach(0);
+ }
+ }
+ }
+ if (this.messageHandler != null) {
+ this.messageHandler.handle(this.connectedAddress, message, partialMessage);
+ }
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/resources/META-INF/services/org.apache.nifi.processor.Processor
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/resources/META-INF/services/org.apache.nifi.processor.Processor b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/resources/META-INF/services/org.apache.nifi.processor.Processor
new file mode 100644
index 0000000..a836893
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/main/resources/META-INF/services/org.apache.nifi.processor.Processor
@@ -0,0 +1,15 @@
+# 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.
+org.apache.nifi.processors.gettcp.GetTCP
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/ReceivingClientTest.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/ReceivingClientTest.java b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/ReceivingClientTest.java
new file mode 100644
index 0000000..fa0dd75
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/ReceivingClientTest.java
@@ -0,0 +1,199 @@
+package org.apache.nifi.processors.gettcp;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.PrintWriter;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class ReceivingClientTest {
+
+ private final static byte EOM = '\r';
+
+ private ScheduledExecutorService scheduler;
+
+ @Before
+ public void before() {
+ this.scheduler = Executors.newScheduledThreadPool(1);
+ }
+
+ @After
+ public void after() {
+ this.scheduler.shutdownNow();
+ }
+
+ @Test
+ public void validateSuccessfullConnectionAndCommunication() throws Exception {
+ String msgToSend = "Hello from validateSuccessfullConnectionAndCommunication";
+ InetSocketAddress address = new InetSocketAddress(9999);
+ Server server = new Server(address, 1024, EOM);
+ server.start();
+
+ ReceivingClient client = new ReceivingClient(address, this.scheduler, 1024, EOM);
+ StringBuilder stringBuilder = new StringBuilder();
+ client.setMessageHandler((fromAddress, message, partialMessage) -> stringBuilder.append(new String(message, StandardCharsets.UTF_8)));
+ client.start();
+ assertTrue(client.isRunning());
+
+ this.sendToSocket(address, msgToSend);
+ Thread.sleep(200);
+ assertEquals("", stringBuilder.toString());
+ this.sendToSocket(address, "\r");
+ Thread.sleep(200);
+ assertEquals(msgToSend + "\r", stringBuilder.toString());
+
+ client.stop();
+ server.stop();
+ assertFalse(client.isRunning());
+ assertFalse(server.isRunning());
+ }
+
+ @Test
+ public void validateSuccessfullConnectionAndCommunicationWithClientBufferSmallerThenMessage() throws Exception {
+ String msgToSend = "Hello from validateSuccessfullConnectionAndCommunicationWithClientBufferSmallerThenMessage";
+ InetSocketAddress address = new InetSocketAddress(9999);
+ Server server = new Server(address, 1024, EOM);
+ server.start();
+
+ ReceivingClient client = new ReceivingClient(address, this.scheduler, 64, EOM);
+ List<String> messages = new ArrayList<>();
+ client.setMessageHandler((fromAddress, message, partialMessage) -> messages.add(new String(message, StandardCharsets.UTF_8)));
+ client.start();
+ assertTrue(client.isRunning());
+
+ this.sendToSocket(address, msgToSend);
+ this.sendToSocket(address, "\r");
+ Thread.sleep(200);
+ assertEquals("Hello from validateSuccessfullConnectionAndCommunicationWithClie", messages.get(0));
+ assertEquals("ntBufferSmallerThenMessage\r", messages.get(1));
+
+ client.stop();
+ server.stop();
+ assertFalse(client.isRunning());
+ assertFalse(server.isRunning());
+ }
+
+ @Test
+ public void validateMessageSendBeforeAfterClientConnectDisconnectNoEndOfMessageByte() throws Exception {
+ String msgToSend = "Hello from validateMessageSendBeforeAfterClientConnectDisconnectNoEndOfMessageByte";
+ InetSocketAddress address = new InetSocketAddress(9999);
+ Server server = new Server(address, 1024, EOM);
+ server.start();
+ this.sendToSocket(address, "foo"); // validates no unexpected errors
+
+ ReceivingClient client = new ReceivingClient(address, this.scheduler, 30, EOM);
+ List<String> messages = new ArrayList<>();
+ client.setMessageHandler((fromAddress, message, partialMessage) -> messages.add(new String(message, StandardCharsets.UTF_8)));
+ client.start();
+ assertTrue(client.isRunning());
+
+ this.sendToSocket(address, msgToSend);
+ Thread.sleep(200);
+ assertEquals(2, messages.size());
+ assertEquals("Hello from validateMessageSend", messages.get(0));
+ assertEquals("BeforeAfterClientConnectDiscon", messages.get(1));
+ messages.clear();
+
+ client.stop();
+ this.sendToSocket(address, msgToSend);
+ Thread.sleep(200);
+ assertEquals(0, messages.size());
+
+ this.sendToSocket(address, msgToSend);
+
+ server.stop();
+ assertFalse(client.isRunning());
+ assertFalse(server.isRunning());
+ }
+
+ @Test
+ public void validateReconnectDuringReceive() throws Exception {
+ String msgToSend = "Hello from validateReconnectDuringReceive\r";
+ InetSocketAddress addressMain = new InetSocketAddress(9998);
+ Server server = new Server(addressMain, 1024, EOM);
+ server.start();
+
+ ExecutorService sendingExecutor = Executors.newSingleThreadExecutor();
+
+ ReceivingClient client = new ReceivingClient(addressMain, this.scheduler, 1024, EOM);
+ client.setBackupAddress(addressMain);
+ client.setReconnectAttempts(10);
+ client.setDelayMillisBeforeReconnect(1000);
+ client.setMessageHandler((fromAddress, message, partialMessage) -> System.out.println(new String(message)));
+ client.start();
+ assertTrue(client.isRunning());
+
+ sendingExecutor.execute(new Runnable() {
+ @Override
+ public void run() {
+ for (int i = 0; i < 10; i++) {
+ try {
+ sendToSocket(addressMain, msgToSend);
+ Thread.sleep(100);
+ } catch (Exception e) {
+ try {
+ Thread.sleep(1000);
+ } catch (Exception ex) {
+ // ignore
+ }
+ }
+
+ }
+ }
+ });
+
+ Thread.sleep(500);
+ server.stop();
+
+ Thread.sleep(500);
+
+ server.start();
+ Thread.sleep(1000);
+
+ client.stop();
+ server.stop();
+
+ assertFalse(client.isRunning());
+ assertFalse(server.isRunning());
+ }
+
+ @Test
+ public void validateConnectionFailureAfterRetries() throws Exception {
+ ReceivingClient client = null;
+ try {
+ InetSocketAddress addressMain = new InetSocketAddress(9998);
+ InetSocketAddress addressSecondary = new InetSocketAddress(9999);
+
+ client = new ReceivingClient(addressMain, this.scheduler, 1024, EOM);
+ client.setBackupAddress(addressSecondary);
+ client.setReconnectAttempts(5);
+ client.setDelayMillisBeforeReconnect(200);
+ client.start();
+ fail();
+ } catch (Exception e) {
+ assertTrue(e instanceof IllegalStateException);
+ }
+ assertFalse(client.isRunning());
+ }
+
+ private void sendToSocket(InetSocketAddress address, String message) throws Exception {
+ Socket socket = new Socket(address.getAddress(), address.getPort());
+ PrintWriter out = new PrintWriter(socket.getOutputStream(), true);
+ out.write(message);
+ out.flush();
+ socket.close();
+ }
+}
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/Server.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/Server.java b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/Server.java
new file mode 100644
index 0000000..550d2cb
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/Server.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2014 the original author or authors.
+ *
+ * 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.apache.nifi.processors.gettcp;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+
+/**
+ *
+ */
+public class Server extends AbstractSocketHandler {
+
+ public static void main(String[] args) throws Exception {
+ InetSocketAddress address = new InetSocketAddress(9999);
+ Server server = new Server(address, 4096, (byte) '\r');
+ server.start();
+ System.in.read();
+ }
+
+ /**
+ *
+ * @param address
+ * @param readingBufferSize
+ */
+ public Server(InetSocketAddress address, int readingBufferSize, byte endOfMessageByte) {
+ super(address, readingBufferSize, endOfMessageByte);
+ }
+
+ /**
+ *
+ */
+ @Override
+ InetSocketAddress connect() throws IOException {
+ this.rootChannel = ServerSocketChannel.open();
+ ServerSocketChannel channel = (ServerSocketChannel) rootChannel;
+ channel.configureBlocking(false);
+ channel.socket().bind(this.address);
+ channel.register(this.selector, SelectionKey.OP_ACCEPT);
+ return this.address;
+ }
+
+ /**
+ *
+ */
+ @Override
+ void doAccept(SelectionKey selectionKey) throws IOException {
+ ServerSocketChannel serverChannel = (ServerSocketChannel) selectionKey.channel();
+ SocketChannel channel = serverChannel.accept();
+ if (logger.isInfoEnabled()) {
+ logger.info("Accepted connection from: " + channel.socket());
+ }
+ channel.configureBlocking(false);
+ channel.register(this.selector, SelectionKey.OP_READ);
+ }
+
+ /**
+ * Unlike the client side the read on the server will happen using receiving
+ * thread.
+ */
+ @Override
+ void processData(SelectionKey selectionKey, ByteBuffer readBuffer) throws IOException {
+ logger.info("Server received message of " + readBuffer.limit() + " bytes in size and will delegate to all registered clients.");
+ for (SelectionKey key : selector.keys()) {
+ if (key.isValid() && key.channel() instanceof SocketChannel && !selectionKey.equals(key)) {
+ if (logger.isDebugEnabled()) {
+ logger.debug("Distributing incoming message to " + key.channel());
+ }
+ SocketChannel sch = (SocketChannel) key.channel();
+ sch.write(readBuffer);
+ readBuffer.rewind();
+ }
+ }
+ }
+}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/TestGetTCP.java
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/TestGetTCP.java b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/TestGetTCP.java
new file mode 100644
index 0000000..60868d0
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/java/org/apache/nifi/processors/gettcp/TestGetTCP.java
@@ -0,0 +1,118 @@
+/*
+ * 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 org.apache.nifi.processors.gettcp;
+
+import java.io.PrintWriter;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.Before;
+import org.junit.Test;
+
+public final class TestGetTCP {
+ private TestRunner testRunner;
+ private GetTCP processor;
+
+ @Before
+ public void setup() {
+ processor = new GetTCP();
+ testRunner = TestRunners.newTestRunner(processor);
+ }
+
+ @Test
+ public void testSelectPropertiesValidation() {
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "!@;;*blah:9999");
+ testRunner.assertNotValid();
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "localhost:9999");
+ testRunner.assertValid();
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "localhost:-1");
+ testRunner.assertNotValid();
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, ",");
+ testRunner.assertNotValid();
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, ",localhost:9999");
+ testRunner.assertNotValid();
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "999,localhost:123");
+ testRunner.assertNotValid();
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "localhost:abc_port");
+ testRunner.assertNotValid();
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "localhost:9999;localhost:1234");
+ testRunner.assertNotValid();
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "localhost:9999,localhost:1234");
+ testRunner.assertValid();
+ testRunner.setProperty(GetTCP.END_OF_MESSAGE_BYTE, "354");
+ testRunner.assertNotValid();
+ testRunner.setProperty(GetTCP.END_OF_MESSAGE_BYTE, "13");
+ testRunner.assertValid();
+ }
+
+ @Test
+ public void testDynamicProperty() {
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "localhost:9999,localhost:1234");
+ testRunner.setProperty("MyCustomProperty", "abc");
+ testRunner.assertValid();
+ }
+
+ @Test
+ public void testSuccessInteraction() throws Exception {
+ Server server = setupTCPServer(9999);
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "localhost:" + 9999);
+ testRunner.run(1000, false);
+ this.sendToSocket(new InetSocketAddress(9999), "Hello\r");
+ Thread.sleep(200);
+ testRunner.assertAllFlowFilesTransferred(GetTCP.REL_SUCCESS, 1);
+ testRunner.clearTransferState();
+ testRunner.shutdown();
+ server.stop();
+ }
+
+ @Test
+ public void testPartialInteraction() throws Exception {
+ Server server = setupTCPServer(9999);
+ testRunner.setProperty(GetTCP.ENDPOINT_LIST, "localhost:" + 9999);
+ testRunner.setProperty(GetTCP.RECEIVE_BUFFER_SIZE, "2");
+ testRunner.run(1000, false);
+ this.sendToSocket(new InetSocketAddress(9999), "Hello\r");
+ Thread.sleep(200);
+ testRunner.assertAllFlowFilesTransferred(GetTCP.REL_PARTIAL, 3);
+ testRunner.clearTransferState();
+
+ this.sendToSocket(new InetSocketAddress(9999), "H\r");
+ Thread.sleep(200);
+ testRunner.assertAllFlowFilesTransferred(GetTCP.REL_SUCCESS, 1);
+ testRunner.clearTransferState();
+ testRunner.shutdown();
+ server.stop();
+ }
+
+ private Server setupTCPServer(int port) {
+ InetSocketAddress address = new InetSocketAddress(port);
+ Server server = new Server(address, 1024, (byte) '\r');
+ server.start();
+ return server;
+ }
+
+ private void sendToSocket(InetSocketAddress address, String message) throws Exception {
+ Socket socket = new Socket(address.getAddress(), address.getPort());
+ PrintWriter out = new PrintWriter(socket.getOutputStream(), true);
+ out.write(message);
+ out.flush();
+ socket.close();
+ }
+}
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/resources/log4j.properties
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/resources/log4j.properties b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/resources/log4j.properties
new file mode 100644
index 0000000..19965ab
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/nifi-tcp-processors/src/test/resources/log4j.properties
@@ -0,0 +1,8 @@
+log4j.rootCategory=DEBUG, stdout
+
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %t %c{2}:%L - %m%n
+
+#log4j.category.com.hortonworks.minicluster=INFO
+log4j.category.org.apache.tez.runtime=WARN
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/nifi-tcp-bundle/pom.xml
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/nifi-tcp-bundle/pom.xml b/nifi-nar-bundles/nifi-tcp-bundle/pom.xml
new file mode 100644
index 0000000..bf8821d
--- /dev/null
+++ b/nifi-nar-bundles/nifi-tcp-bundle/pom.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.nifi</groupId>
+ <artifactId>nifi-nar-bundles</artifactId>
+ <version>1.2.0-SNAPSHOT</version>
+ </parent>
+
+
+ <artifactId>nifi-tcp-bundle</artifactId>
+ <version>1.2.0-SNAPSHOT</version>
+ <packaging>pom</packaging>
+
+ <modules>
+ <module>nifi-tcp-processors</module>
+ <module>nifi-tcp-nar</module>
+ </modules>
+
+</project>
http://git-wip-us.apache.org/repos/asf/nifi/blob/3626abd7/nifi-nar-bundles/pom.xml
----------------------------------------------------------------------
diff --git a/nifi-nar-bundles/pom.xml b/nifi-nar-bundles/pom.xml
index 8f4f7e2..df3aa7d 100755
--- a/nifi-nar-bundles/pom.xml
+++ b/nifi-nar-bundles/pom.xml
@@ -72,6 +72,7 @@
<module>nifi-email-bundle</module>
<module>nifi-ranger-bundle</module>
<module>nifi-websocket-bundle</module>
+ <module>nifi-tcp-bundle</module>
</modules>
<dependencyManagement>