Github user achristianson commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/134#discussion_r137861024
--- Diff: libminifi/include/c2/C2Protocol.h ---
@@ -0,0 +1,119 @@
+/**
+ *
+ * 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 LIBMINIFI_INCLUDE_C2_C2PROTOCOL_H_
+#define LIBMINIFI_INCLUDE_C2_C2PROTOCOL_H_
+
+#include "C2Payload.h"
+#include "core/controller/ControllerServiceProvider.h"
+#include "properties/Configure.h"
+#include "core/Connectable.h"
+namespace org {
+namespace apache {
+namespace nifi {
+namespace minifi {
+namespace c2 {
+
+/**
+ * Defines a protocol to perform state management of the minifi agent.
+ */
+class C2Protocol : public core::Connectable {
+ public:
+
+ C2Protocol(std::string name, uuid_t uuid)
+ : core::Connectable(name, uuid),
+ running_(true) {
+
+ }
+
+ virtual void initialize(const
std::shared_ptr<core::controller::ControllerServiceProvider> &controller, const
std::shared_ptr<Configure> &configure) {
+ controller_ = controller;
+ configuration_ = configure;
+ }
+ virtual ~C2Protocol() {
+
+ }
+
+ /**
+ * Update the configuration.
+ */
+ virtual void update(const std::shared_ptr<Configure> &configure)=0;
+
+ /**
+ * Send a C2 payload to the provided URI. The direction indicates to the
protocol whether or not this a transmit or receive operatin.
+ * Depending on the protocol this may mean different things.
+ *
+ * @param url url.
+ * @param operation payload to perform and/or send
+ * @param direction direction of the C2 operation.
+ * @param async whether or not this is an asynchronous operation
+ * @return payload from the response or a response to come back in the
face of an asynchronous operation.
+ */
+ virtual C2Payload consumePayload(const std::string &url, const C2Payload
&operation, Direction direction = TRANSMIT, bool async = false) = 0;
+
+ /**
+ * Send a C2 payload . The direction indicates to the protocol whether
or not this a transmit or receive operatin.
--- End diff --
Minor typo.
---
