Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/107#discussion_r118830048
--- Diff: libminifi/include/ConfigurationListener.h ---
@@ -0,0 +1,121 @@
+/**
+ * ConfigurationListener 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 __CONFIGURATION_LISTENER__
+#define __CONFIGURATION_LISTENER__
+
+#include <memory>
+#include <atomic>
+#include <cstdint>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <thread>
+
+#include "yaml-cpp/yaml.h"
+#include "core/Core.h"
+#include "core/Property.h"
+#include "properties/Configure.h"
+#include "core/logging/Logger.h"
+
+namespace org {
+namespace apache {
+namespace nifi {
+namespace minifi {
+// Forwarder declaration
+class FlowController;
+// ConfigurationListener Class
+class ConfigurationListener {
+public:
+
+ // Constructor
+ /*!
+ * Create a new processor
+ */
+ ConfigurationListener(FlowController *controller,
+ std::shared_ptr<Configure> configure, std::string type) :
+ connect_timeout_(20000), read_timeout_(20000), type_(type),
configure_(
+ configure), controller_(controller),
need_client_certificate_(false) {
+ logger_ = logging::Logger::getLogger();
+ running_ = false;
+ }
+ // Destructor
+ virtual ~ConfigurationListener() {
+ stop();
+ }
+
+ // Start the thread
+ void start();
+ // Stop the thread
+ void stop();
+ // whether the thread is enable
+ bool isRunning() {
+ return running_;
+ }
+ // pull the new configuration from the remote host
+ virtual bool pullConfiguration(std::string &configuration) {
+ return false;
+ }
+
+protected:
+
+ // Run function for the thread
+ void run();
+
+ // Run function for the thread
+ void threadExecutor() {
+ run();
+ }
+
+ // Mutex for protection
+ std::mutex mutex_;
+ // thread
+ std::thread thread_;
+ // whether the thread is running
+ bool running_;
--- End diff --
^ i'm worried about cache coherency here.
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