| /** |
| * @file FocusArchiveEntry.h |
| * FocusArchiveEntry 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 LIBMINIFI_INCLUDE_PROCESSORS_FOCUSARCHIVEENTRY_H_ |
| #define LIBMINIFI_INCLUDE_PROCESSORS_FOCUSARCHIVEENTRY_H_ |
| |
| #include <list> |
| #include <memory> |
| #include <string> |
| |
| #include <archive.h> |
| |
| #include "ArchiveMetadata.h" |
| #include "FlowFileRecord.h" |
| #include "core/Processor.h" |
| #include "core/ProcessSession.h" |
| #include "core/Core.h" |
| #include "core/logging/LoggerConfiguration.h" |
| #include "core/Resource.h" |
| #include "utils/file/FileManager.h" |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace processors { |
| |
| //! FocusArchiveEntry Class |
| class FocusArchiveEntry : public core::Processor { |
| public: |
| //! Constructor |
| /*! |
| * Create a new processor |
| */ |
| explicit FocusArchiveEntry(std::string name, utils::Identifier uuid = utils::Identifier()) |
| : core::Processor(name, uuid), |
| logger_(logging::LoggerFactory<FocusArchiveEntry>::getLogger()) { |
| } |
| //! Destructor |
| virtual ~FocusArchiveEntry() { |
| } |
| //! Processor Name |
| static constexpr char const* ProcessorName = "FocusArchiveEntry"; |
| //! Supported Properties |
| static core::Property Path; |
| //! Supported Relationships |
| static core::Relationship Success; |
| |
| bool set_or_update_attr(std::shared_ptr<core::FlowFile>, const std::string&, const std::string&) const; |
| |
| //! OnTrigger method, implemented by NiFi FocusArchiveEntry |
| virtual void onTrigger(core::ProcessContext *context, |
| core::ProcessSession *session); |
| //! Initialize, over write by NiFi FocusArchiveEntry |
| virtual void initialize(void); |
| |
| class ReadCallback : public InputStreamCallback { |
| public: |
| explicit ReadCallback(core::Processor*, fileutils::FileManager *file_man, ArchiveMetadata *archiveMetadata); |
| ~ReadCallback(); |
| virtual int64_t process(std::shared_ptr<io::BaseStream> stream); |
| bool isRunning() {return proc_->isRunning();} |
| |
| private: |
| fileutils::FileManager *file_man_; |
| core::Processor * const proc_; |
| std::shared_ptr<logging::Logger> logger_; |
| ArchiveMetadata *_archiveMetadata; |
| static int ok_cb(struct archive *, void *d) { return ARCHIVE_OK; } |
| static ssize_t read_cb(struct archive * a, void *d, const void **buf); |
| }; |
| |
| private: |
| //! Logger |
| std::shared_ptr<logging::Logger> logger_; |
| static std::shared_ptr<utils::IdGenerator> id_generator_; |
| }; |
| |
| REGISTER_RESOURCE(FocusArchiveEntry, "Allows manipulation of entries within an archive (e.g. TAR) by focusing on one entry within the archive at a time. " |
| "When an archive entry is focused, that entry is treated as the content of the FlowFile and may be manipulated independently of the rest of the archive." |
| " To restore the FlowFile to its original state, use UnfocusArchiveEntry."); |
| |
| } /* namespace processors */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |
| |
| #endif // LIBMINIFI_INCLUDE_PROCESSORS_FOCUSARCHIVEENTRY_H_ |