| /** |
| * |
| * 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. |
| */ |
| |
| #include "provenance/Provenance.h" |
| #include <cstdint> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| #include <list> |
| #include "core/Repository.h" |
| #include "io/BufferStream.h" |
| #include "core/logging/Logger.h" |
| #include "core/Relationship.h" |
| #include "FlowController.h" |
| |
| namespace org { |
| namespace apache { |
| namespace nifi { |
| namespace minifi { |
| namespace provenance { |
| |
| std::shared_ptr<utils::IdGenerator> ProvenanceEventRecord::id_generator_ = utils::IdGenerator::getIdGenerator(); |
| std::shared_ptr<logging::Logger> ProvenanceEventRecord::logger_ = logging::LoggerFactory<ProvenanceEventRecord>::getLogger(); |
| |
| const char *ProvenanceEventRecord::ProvenanceEventTypeStr[REPLAY + 1] = { "CREATE", "RECEIVE", "FETCH", "SEND", "DOWNLOAD", "DROP", "EXPIRE", "FORK", "JOIN", "CLONE", "CONTENT_MODIFIED", |
| "ATTRIBUTES_MODIFIED", "ROUTE", "ADDINFO", "REPLAY" }; |
| |
| ProvenanceEventRecord::ProvenanceEventRecord(ProvenanceEventRecord::ProvenanceEventType event, std::string componentId, std::string componentType) |
| : core::SerializableComponent(core::getClassName<ProvenanceEventRecord>()), |
| _eventDuration(0), |
| _entryDate(0), |
| _lineageStartDate(0) { |
| _eventType = event; |
| _componentId = componentId; |
| _componentType = componentType; |
| _eventTime = utils::timeutils::getTimeMillis(); |
| } |
| |
| // DeSerialize |
| bool ProvenanceEventRecord::DeSerialize(const std::shared_ptr<core::SerializableComponent> &store) { |
| std::string value; |
| bool ret; |
| |
| const std::shared_ptr<core::Repository> repo = std::dynamic_pointer_cast<core::Repository>(store); |
| |
| if (nullptr == repo || uuid_.isNil()) { |
| logger_->log_error("Repo could not be assigned"); |
| return false; |
| } |
| ret = repo->Get(getUUIDStr(), value); |
| |
| if (!ret) { |
| logger_->log_error("NiFi Provenance Store event %s can not be found", getUUIDStr()); |
| return false; |
| } else { |
| logger_->log_debug("NiFi Provenance Read event %s", getUUIDStr()); |
| } |
| |
| org::apache::nifi::minifi::io::BufferStream stream((const uint8_t*) value.data(), value.length()); |
| |
| ret = DeSerialize(stream); |
| |
| if (ret) { |
| logger_->log_debug("NiFi Provenance retrieve event %s size %llu eventType %d success", getUUIDStr(), stream.size(), _eventType); |
| } else { |
| logger_->log_debug("NiFi Provenance retrieve event %s size %llu eventType %d fail", getUUIDStr(), stream.size(), _eventType); |
| } |
| |
| return ret; |
| } |
| |
| bool ProvenanceEventRecord::Serialize(org::apache::nifi::minifi::io::BufferStream& outStream) { |
| int ret; |
| |
| ret = outStream.write(this->uuid_); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| uint32_t eventType = this->_eventType; |
| ret = outStream.write(eventType); |
| if (ret != 4) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_eventTime); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_entryDate); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_eventDuration); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_lineageStartDate); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_componentId); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_componentType); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| ret = outStream.write(this->flow_uuid_); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_details); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| // write flow attributes |
| uint32_t numAttributes = this->_attributes.size(); |
| ret = outStream.write(numAttributes); |
| if (ret != 4) { |
| return false; |
| } |
| |
| for (const auto& itAttribute : _attributes) { |
| ret = outStream.write(itAttribute.first); |
| if (ret <= 0) { |
| return false; |
| } |
| ret = outStream.write(itAttribute.second); |
| if (ret <= 0) { |
| return false; |
| } |
| } |
| |
| ret = outStream.write(this->_contentFullPath); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_size); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_offset); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.write(this->_sourceQueueIdentifier); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| if (this->_eventType == ProvenanceEventRecord::FORK || this->_eventType == ProvenanceEventRecord::CLONE || this->_eventType == ProvenanceEventRecord::JOIN) { |
| // write UUIDs |
| uint32_t number = this->_parentUuids.size(); |
| ret = outStream.write(number); |
| if (ret != 4) { |
| return false; |
| } |
| for (const auto& parentUUID : _parentUuids) { |
| ret = outStream.write(parentUUID); |
| if (ret <= 0) { |
| return false; |
| } |
| } |
| number = this->_childrenUuids.size(); |
| ret = outStream.write(number); |
| if (ret != 4) { |
| return false; |
| } |
| for (const auto& childUUID : _childrenUuids) { |
| ret = outStream.write(childUUID); |
| if (ret <= 0) { |
| return false; |
| } |
| } |
| } else if (this->_eventType == ProvenanceEventRecord::SEND || this->_eventType == ProvenanceEventRecord::FETCH) { |
| ret = outStream.write(this->_transitUri); |
| if (ret <= 0) { |
| return false; |
| } |
| } else if (this->_eventType == ProvenanceEventRecord::RECEIVE) { |
| ret = outStream.write(this->_transitUri); |
| if (ret <= 0) { |
| return false; |
| } |
| ret = outStream.write(this->_sourceSystemFlowFileIdentifier); |
| if (ret <= 0) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| bool ProvenanceEventRecord::Serialize(const std::shared_ptr<core::SerializableComponent> &repo) { |
| org::apache::nifi::minifi::io::BufferStream outStream; |
| |
| Serialize(outStream); |
| |
| // Persist to the DB |
| if (!repo->Serialize(getUUIDStr(), const_cast<uint8_t*>(outStream.getBuffer()), outStream.size())) { |
| logger_->log_error("NiFi Provenance Store event %s size %llu fail", getUUIDStr(), outStream.size()); |
| } |
| return true; |
| } |
| |
| bool ProvenanceEventRecord::DeSerialize(const uint8_t *buffer, const size_t bufferSize) { |
| int ret; |
| |
| org::apache::nifi::minifi::io::BufferStream outStream(buffer, bufferSize); |
| |
| ret = outStream.read(uuid_); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| uint32_t eventType; |
| ret = outStream.read(eventType); |
| if (ret != 4) { |
| return false; |
| } |
| this->_eventType = (ProvenanceEventRecord::ProvenanceEventType) eventType; |
| |
| ret = outStream.read(this->_eventTime); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_entryDate); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_eventDuration); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_lineageStartDate); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_componentId); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_componentType); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| ret = outStream.read(this->flow_uuid_); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_details); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| // read flow attributes |
| uint32_t numAttributes = 0; |
| ret = outStream.read(numAttributes); |
| if (ret != 4) { |
| return false; |
| } |
| |
| for (uint32_t i = 0; i < numAttributes; i++) { |
| std::string key; |
| ret = outStream.read(key); |
| if (ret <= 0) { |
| return false; |
| } |
| std::string value; |
| ret = outStream.read(value); |
| if (ret <= 0) { |
| return false; |
| } |
| this->_attributes[key] = value; |
| } |
| |
| ret = outStream.read(this->_contentFullPath); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_size); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_offset); |
| if (ret != 8) { |
| return false; |
| } |
| |
| ret = outStream.read(this->_sourceQueueIdentifier); |
| if (ret <= 0) { |
| return false; |
| } |
| |
| if (this->_eventType == ProvenanceEventRecord::FORK || this->_eventType == ProvenanceEventRecord::CLONE || this->_eventType == ProvenanceEventRecord::JOIN) { |
| // read UUIDs |
| uint32_t number = 0; |
| ret = outStream.read(number); |
| if (ret != 4) { |
| return false; |
| } |
| |
| for (uint32_t i = 0; i < number; i++) { |
| utils::Identifier parentUUID; |
| ret = outStream.read(parentUUID); |
| if (ret <= 0) { |
| return false; |
| } |
| this->addParentUuid(parentUUID); |
| } |
| number = 0; |
| ret = outStream.read(number); |
| if (ret != 4) { |
| return false; |
| } |
| for (uint32_t i = 0; i < number; i++) { |
| utils::Identifier childUUID; |
| ret = outStream.read(childUUID); |
| if (ret <= 0) { |
| return false; |
| } |
| this->addChildUuid(childUUID); |
| } |
| } else if (this->_eventType == ProvenanceEventRecord::SEND || this->_eventType == ProvenanceEventRecord::FETCH) { |
| ret = outStream.read(this->_transitUri); |
| if (ret <= 0) { |
| return false; |
| } |
| } else if (this->_eventType == ProvenanceEventRecord::RECEIVE) { |
| ret = outStream.read(this->_transitUri); |
| if (ret <= 0) { |
| return false; |
| } |
| ret = outStream.read(this->_sourceSystemFlowFileIdentifier); |
| if (ret <= 0) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| void ProvenanceReporter::commit() { |
| if (repo_->isNoop()) { |
| return; |
| } |
| |
| if (repo_->isFull()) { |
| logger_->log_debug("Provenance Repository is full"); |
| return; |
| } |
| |
| std::vector<std::pair<std::string, std::unique_ptr<io::BufferStream>>> flowData; |
| |
| for (auto& event : _events) { |
| std::unique_ptr<io::BufferStream> stramptr(new io::BufferStream()); |
| event->Serialize(*stramptr.get()); |
| |
| flowData.emplace_back(event->getUUIDStr(), std::move(stramptr)); |
| } |
| repo_->MultiPut(flowData); |
| } |
| |
| void ProvenanceReporter::create(std::shared_ptr<core::FlowFile> flow, std::string detail) { |
| auto event = allocate(ProvenanceEventRecord::CREATE, flow); |
| |
| if (event) { |
| event->setDetails(detail); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::route(std::shared_ptr<core::FlowFile> flow, core::Relationship relation, std::string detail, uint64_t processingDuration) { |
| auto event = allocate(ProvenanceEventRecord::ROUTE, flow); |
| |
| if (event) { |
| event->setDetails(detail); |
| event->setRelationship(relation.getName()); |
| event->setEventDuration(processingDuration); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::modifyAttributes(std::shared_ptr<core::FlowFile> flow, std::string detail) { |
| auto event = allocate(ProvenanceEventRecord::ATTRIBUTES_MODIFIED, flow); |
| |
| if (event) { |
| event->setDetails(detail); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::modifyContent(std::shared_ptr<core::FlowFile> flow, std::string detail, uint64_t processingDuration) { |
| auto event = allocate(ProvenanceEventRecord::CONTENT_MODIFIED, flow); |
| |
| if (event) { |
| event->setDetails(detail); |
| event->setEventDuration(processingDuration); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::clone(std::shared_ptr<core::FlowFile> parent, std::shared_ptr<core::FlowFile> child) { |
| auto event = allocate(ProvenanceEventRecord::CLONE, parent); |
| |
| if (event) { |
| event->addChildFlowFile(child); |
| event->addParentFlowFile(parent); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::join(std::vector<std::shared_ptr<core::FlowFile> > parents, std::shared_ptr<core::FlowFile> child, std::string detail, uint64_t processingDuration) { |
| auto event = allocate(ProvenanceEventRecord::JOIN, child); |
| |
| if (event) { |
| event->addChildFlowFile(child); |
| std::vector<std::shared_ptr<core::FlowFile> >::iterator it; |
| for (it = parents.begin(); it != parents.end(); it++) { |
| std::shared_ptr<core::FlowFile> record = *it; |
| event->addParentFlowFile(record); |
| } |
| event->setDetails(detail); |
| event->setEventDuration(processingDuration); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::fork(std::vector<std::shared_ptr<core::FlowFile> > child, std::shared_ptr<core::FlowFile> parent, std::string detail, uint64_t processingDuration) { |
| auto event = allocate(ProvenanceEventRecord::FORK, parent); |
| |
| if (event) { |
| event->addParentFlowFile(parent); |
| std::vector<std::shared_ptr<core::FlowFile> >::iterator it; |
| for (it = child.begin(); it != child.end(); it++) { |
| std::shared_ptr<core::FlowFile> record = *it; |
| event->addChildFlowFile(record); |
| } |
| event->setDetails(detail); |
| event->setEventDuration(processingDuration); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::expire(std::shared_ptr<core::FlowFile> flow, std::string detail) { |
| auto event = allocate(ProvenanceEventRecord::EXPIRE, flow); |
| |
| if (event) { |
| event->setDetails(detail); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::drop(std::shared_ptr<core::FlowFile> flow, std::string reason) { |
| auto event = allocate(ProvenanceEventRecord::DROP, flow); |
| |
| if (event) { |
| std::string dropReason = "Discard reason: " + reason; |
| event->setDetails(dropReason); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::send(std::shared_ptr<core::FlowFile> flow, std::string transitUri, std::string detail, uint64_t processingDuration, bool force) { |
| auto event = allocate(ProvenanceEventRecord::SEND, flow); |
| |
| if (event) { |
| event->setTransitUri(transitUri); |
| event->setDetails(detail); |
| event->setEventDuration(processingDuration); |
| if (!force) { |
| add(event); |
| } else { |
| if (!repo_->isFull()) |
| event->Serialize(repo_); |
| } |
| } |
| } |
| |
| void ProvenanceReporter::receive(std::shared_ptr<core::FlowFile> flow, std::string transitUri, std::string sourceSystemFlowFileIdentifier, std::string detail, uint64_t processingDuration) { |
| auto event = allocate(ProvenanceEventRecord::RECEIVE, flow); |
| |
| if (event) { |
| event->setTransitUri(transitUri); |
| event->setDetails(detail); |
| event->setEventDuration(processingDuration); |
| event->setSourceSystemFlowFileIdentifier(sourceSystemFlowFileIdentifier); |
| add(event); |
| } |
| } |
| |
| void ProvenanceReporter::fetch(std::shared_ptr<core::FlowFile> flow, std::string transitUri, std::string detail, uint64_t processingDuration) { |
| auto event = allocate(ProvenanceEventRecord::FETCH, flow); |
| |
| if (event) { |
| event->setTransitUri(transitUri); |
| event->setDetails(detail); |
| event->setEventDuration(processingDuration); |
| add(event); |
| } |
| } |
| |
| } /* namespace provenance */ |
| } /* namespace minifi */ |
| } /* namespace nifi */ |
| } /* namespace apache */ |
| } /* namespace org */ |