Github user mattyb149 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1418#discussion_r103596545
--- Diff:
nifi-nar-bundles/nifi-beats-bundle/nifi-beats-processors/src/main/java/org/apache/nifi/processors/beats/ListenBeats.java
---
@@ -0,0 +1,216 @@
+/*
+ * 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.beats;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.BlockingQueue;
+
+import javax.net.ssl.SSLContext;
+
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.WritesAttribute;
+import org.apache.nifi.annotation.behavior.WritesAttributes;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.ValidationContext;
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.flowfile.attributes.CoreAttributes;
+import org.apache.nifi.flowfile.attributes.FlowFileAttributeKey;
+import org.apache.nifi.processor.DataUnit;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import
org.apache.nifi.processor.util.listen.AbstractListenEventBatchingProcessor;
+import
org.apache.nifi.processor.util.listen.dispatcher.AsyncChannelDispatcher;
+import org.apache.nifi.processor.util.listen.dispatcher.ChannelDispatcher;
+import
org.apache.nifi.processor.util.listen.dispatcher.SocketChannelDispatcher;
+import org.apache.nifi.processor.util.listen.event.EventFactory;
+import org.apache.nifi.processor.util.listen.handler.ChannelHandlerFactory;
+import org.apache.nifi.processor.util.listen.response.ChannelResponder;
+import org.apache.nifi.processor.util.listen.response.ChannelResponse;
+import org.apache.nifi.processors.beats.event.BeatsEvent;
+import org.apache.nifi.processors.beats.event.BeatsEventFactory;
+import org.apache.nifi.processors.beats.frame.BeatsEncoder;
+import
org.apache.nifi.processors.beats.handler.BeatsSocketChannelHandlerFactory;
+import org.apache.nifi.processors.beats.response.BeatsChannelResponse;
+import org.apache.nifi.processors.beats.response.BeatsResponse;
+import org.apache.nifi.ssl.SSLContextService;
+
+@InputRequirement(InputRequirement.Requirement.INPUT_FORBIDDEN)
+@Tags({"listen", "beats", "tcp", "logs"})
+@CapabilityDescription("Listens for messages sent by libbeat compatible
clients (e.g. filebeats, metricbeats, etc) being sent to a given port over TCP,
writing its contents in" +
+ "JSON format to the content of the message to a FlowFile." +
+ "This processor replaces the now deprecated ListenLumberjack")
+@WritesAttributes({
+ @WritesAttribute(attribute = "beats.sender", description = "The
sending host of the messages."),
+ @WritesAttribute(attribute = "beats.port", description = "The sending
port the messages were received over."),
+ @WritesAttribute(attribute = "beats.sequencenumber", description =
"The sequence number of the message. Only included if <Batch Size> is 1."),
+ @WritesAttribute(attribute = "mime.type", description = "The mime.type
of the content which is application/json")
+})
+@SeeAlso(classNames = {"org.apache.nifi.processors.standard.ParseSyslog"})
+public class ListenBeats extends
AbstractListenEventBatchingProcessor<BeatsEvent> {
--- End diff --
Inheriting the RECV_BUFFER_SIZE property from the other
"AbstractListenEventProcessor" properties might be a little confusing here as
it is not a "round" number like a power of 2. @bbende any thoughts here?
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