Github user arpadboda commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/445#discussion_r235734574
--- Diff: libminifi/src/processors/ContentHash.cpp ---
@@ -0,0 +1,100 @@
+/**
+ * @file ContentHash.cpp
+ * ContentHash class implementation
+ *
+ * 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.
+ */
+
+#ifdef OPENSSL_SUPPORT
+
+#include <algorithm>
+#include <iostream>
+#include <memory>
+#include <string>
+#include "processors/ContentHash.h"
+#include "core/ProcessContext.h"
+#include "core/ProcessSession.h"
+#include "core/FlowFile.h"
+
+namespace org {
+namespace apache {
+namespace nifi {
+namespace minifi {
+namespace processors {
+
+core::Property ContentHash::HashAttribute("Hash Attribute", "Attribute to
store checksum to", "Checksum");
+core::Property ContentHash::HashAlgorithm("Hash Algorithm", "Name of the
algorithm used to generate checksum", "MD5");
+core::Relationship ContentHash::Success("success", "success operational on
the flow record");
+
+void ContentHash::initialize() {
+ //! Set the supported properties
+ std::set<core::Property> properties;
+ properties.insert(HashAttribute);
+ properties.insert(HashAlgorithm);
+ setSupportedProperties(properties);
+ //! Set the supported relationships
+ std::set<core::Relationship> relationships;
+ relationships.insert(Success);
+ setSupportedRelationships(relationships);
+}
+
+void ContentHash::onTrigger(core::ProcessContext *context,
core::ProcessSession *session) {
+ std::shared_ptr<core::FlowFile> flowFile = session->get();
+
+ if (!flowFile) {
+ return;
+ }
+
+ ReadCallback cb(flowFile, context);
+ session->read(flowFile, &cb);
+ session->transfer(flowFile, Success);
+}
+
+int64_t ContentHash::ReadCallback::process(std::shared_ptr<io::BaseStream>
stream) {
+ std::string attrKey, algoName;
+ ctx_->getProperty(HashAttribute.getName(), attrKey);
--- End diff --
Moved
---
