Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/228#discussion_r159793508
--- Diff: extensions/mqtt/AbstractMQTTProcessor.h ---
@@ -0,0 +1,154 @@
+/**
+ * @file AbstractMQTTProcessor.h
+ * AbstractMQTTProcessor class declaration
+ *
+ * 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.
+ */
+#ifndef __ABSTRACTMQTT_H__
+#define __ABSTRACTMQTT_H__
+
+#include "FlowFileRecord.h"
+#include "core/Processor.h"
+#include "core/ProcessSession.h"
+#include "core/Core.h"
+#include "core/Resource.h"
+#include "core/logging/LoggerConfiguration.h"
+#include "MQTTClient.h"
+
+#define MQTT_QOS_0 "0"
+#define MQTT_QOS_1 "1"
+#define MQTT_QOS_2 "2"
+
+namespace org {
+namespace apache {
+namespace nifi {
+namespace minifi {
+namespace processors {
+
+// AbstractMQTTProcessor Class
+class AbstractMQTTProcessor : public core::Processor {
+ public:
+ // Constructor
+ /*!
+ * Create a new processor
+ */
+ explicit AbstractMQTTProcessor(std::string name, uuid_t uuid = NULL)
+ : core::Processor(name, uuid),
+
logger_(logging::LoggerFactory<AbstractMQTTProcessor>::getLogger()) {
+ client_ = nullptr;
+ cleanSession_ = false;
+ keepAliveInterval_ = 60;
+ connectionTimeOut_ = 30;
+ qos_ = 0;
+ isSubscriber_ = false;
+ }
+ // Destructor
+ virtual ~AbstractMQTTProcessor() {
+ if (isSubscriber_) {
+ MQTTClient_unsubscribe(client_, topic_.c_str());
--- End diff --
what happens if unsubscribe is not called due to failure? Is that
eventually okay?
---