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https://issues.apache.org/jira/browse/STORM-1406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15085769#comment-15085769
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ASF GitHub Bot commented on STORM-1406:
---------------------------------------
Github user ptgoetz commented on a diff in the pull request:
https://github.com/apache/storm/pull/991#discussion_r48976364
--- Diff:
external/storm-mqtt/core/src/main/java/org/apache/storm/mqtt/MqttLogger.java ---
@@ -0,0 +1,45 @@
+/**
+ * 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.storm.mqtt;
+
+import org.fusesource.mqtt.client.Tracer;
+import org.fusesource.mqtt.codec.MQTTFrame;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Wrapper around SLF4J logger that allows MQTT messages to be logged.
+ */
+public class MqttLogger extends Tracer {
+ private static final Logger LOG =
LoggerFactory.getLogger(MqttLogger.class);
+
+ @Override
+ public void debug(String message, Object... args) {
+ LOG.debug(String.format(message, args));
+ }
+
+ @Override
+ public void onSend(MQTTFrame frame) {
+ super.onSend(frame);
--- End diff --
Will do.
> MQTT Support
> ------------
>
> Key: STORM-1406
> URL: https://issues.apache.org/jira/browse/STORM-1406
> Project: Apache Storm
> Issue Type: Improvement
> Reporter: P. Taylor Goetz
> Assignee: P. Taylor Goetz
>
> MQTT is a lightweight publish/subscribe protocol frequently used in IoT
> applications.
> Further information can be found at http://mqtt.org
> Initial features include:
> * Full MQTT support (e.g. last will, QoS 0-2, retain, etc.)
> * Spout implementation(s) for subscribing to MQTT topics
> * A bolt implementation for publishing MQTT messages
> * A trident function implementation for publishing MQTT messages
> * Authentication and TLS/SSL support
> * User-defined "mappers" for converting MQTT messages to tuples (subscribers)
> * User-defined "mappers" for converting tuples to MQTT messages (publishers)
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