MINIFICPP-2708 Controller Service C API

Extensions.md

@@ -86,8 +86,6 @@ extern "C" void MinifiInitCppExtension(MinifiExtensionContext* /*extension_conte
     .version = minifi::utils::toStringView(minifi::AgentBuild::VERSION),
     .deinit = nullptr,
     .user_data = nullptr,
-    .processors_count = 0,
-    .processors_ptr = nullptr
   };
   minifi::utils::MinifiRegisterCppExtension(extension, &extension_definition);
 }

core-framework/include/agent/agent_docs.h

@@ -16,18 +16,17 @@
  */
 #pragma once
 
-#include "minifi-cpp/agent/agent_docs.h"
-
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
-#include "utils/StringUtils.h"
 #include "core/ClassName.h"
-#include "minifi-cpp/core/OutputAttribute.h"
-#include "minifi-cpp/core/ControllerServiceApi.h"
+#include "minifi-cpp/agent/agent_docs.h"
+#include "minifi-cpp/core/ControllerServiceType.h"
 #include "minifi-cpp/core/DynamicProperty.h"
+#include "minifi-cpp/core/OutputAttribute.h"
+#include "utils/StringUtils.h"
 
 namespace org::apache::nifi::minifi {
 
@@ -44,8 +43,8 @@ inline auto toVector(std::span<const core::OutputAttributeReference> attributes)
   return std::vector<core::OutputAttribute>(attributes.begin(), attributes.end());
 }
 
-inline auto toVector(std::span<const core::ControllerServiceApiDefinition> apis) {
-  return std::vector<core::ControllerServiceApi>(apis.begin(), apis.end());
+inline auto toVector(std::span<const core::ControllerServiceTypeDefinition> apis) {
+  return std::vector<core::ControllerServiceType>(apis.begin(), apis.end());
 }
 
 inline auto toVector(std::span<const core::DynamicPropertyDefinition> properties) {

core-framework/include/core/controller/ControllerServiceBase.h

@@ -28,8 +28,8 @@
 #include "core/Connectable.h"
 #include "minifi-cpp/core/controller/ControllerServiceApi.h"
 #include "minifi-cpp/core/controller/ControllerServiceHandle.h"
-#include "minifi-cpp/core/ControllerServiceApiDefinition.h"
-#include "minifi-cpp/core/controller/ControllerServiceMetadata.h"
+#include "minifi-cpp/core/ControllerServiceTypeDefinition.h"
+#include "minifi-cpp/core/ControllerServiceMetadata.h"
 
 #define ADD_COMMON_VIRTUAL_FUNCTIONS_FOR_CONTROLLER_SERVICES \
   bool supportsDynamicProperties() const override { return SupportsDynamicProperties; }
@@ -96,7 +96,7 @@ class ControllerServiceBase : public ControllerServiceApi {
   }
 
 
-  static constexpr auto ImplementsApis = std::array<ControllerServiceApiDefinition, 0>{};
+  static constexpr auto ImplementsApis = std::array<ControllerServiceTypeDefinition, 0>{};
 
  protected:
   std::string name_;

core-framework/include/core/controller/ControllerServiceFactoryImpl.h

@@ -17,10 +17,12 @@
 
 #pragma once
 
-#include <string>
 #include <memory>
+#include <string>
 #include <utility>
+
 #include "core/ClassName.h"
+#include "minifi-cpp/core/ControllerServiceMetadata.h"
 #include "minifi-cpp/core/controller/ControllerServiceFactory.h"
 
 namespace org::apache::nifi::minifi::core::controller {

extensions/aws/tests/MultipartUploadStateStorageTest.cpp

@@ -32,7 +32,7 @@ class MultipartUploadStateStorageTestFixture {
   MultipartUploadStateStorageTestFixture() {
     LogTestController::getInstance().setDebug<minifi::aws::s3::MultipartUploadStateStorage>();
     const auto storage_uuid = minifi::utils::IdGenerator::getIdGenerator()->generate();
-    state_storage_ = std::make_unique<minifi::controllers::VolatileMapStateStorage>(core::controller::ControllerServiceMetadata{
+    state_storage_ = std::make_unique<minifi::controllers::VolatileMapStateStorage>(core::ControllerServiceMetadata{
       .uuid = storage_uuid,
       .name = "KeyValueStateStorage",
       .logger = logging::LoggerFactory<minifi::controllers::VolatileMapStateStorage>::getLogger(storage_uuid)

libminifi/include/controllers/NetworkPrioritizerService.h

@@ -51,7 +51,7 @@ class NetworkPrioritizerService : public core::controller::ControllerServiceBase
 
  public:
   using ControllerServiceBase::ControllerServiceBase;
-  explicit NetworkPrioritizerService(core::controller::ControllerServiceMetadata metadata,
+  explicit NetworkPrioritizerService(core::ControllerServiceMetadata metadata,
                                      std::shared_ptr<utils::timeutils::Clock> clock)
       : ControllerServiceBase(std::move(metadata)),
         clock_(std::move(clock)) {

libminifi/include/core/controller/ControllerService.h

@@ -27,7 +27,7 @@
 #include "core/ConfigurableComponentImpl.h"
 #include "core/Connectable.h"
 #include "minifi-cpp/core/controller/ControllerServiceApi.h"
-#include "minifi-cpp/core/ControllerServiceApiDefinition.h"
+#include "minifi-cpp/core/ControllerServiceTypeDefinition.h"
 
 namespace org::apache::nifi::minifi::core::controller {
 
@@ -44,6 +44,7 @@ class ControllerService : public ConfigurableComponentImpl, public CoreComponent
    public:
     explicit ControllerServiceDescriptorImpl(ControllerService& impl): impl_(impl) {}
     void setSupportedProperties(std::span<const PropertyReference> properties) override;
+    void setSupportedProperties(std::span<const Property> properties) override;
 
    private:
     ControllerService& impl_;
@@ -130,7 +131,7 @@ class ControllerService : public ConfigurableComponentImpl, public CoreComponent
     return impl_->supportsDynamicProperties();
   }
 
-  static constexpr auto ImplementsApis = std::array<ControllerServiceApiDefinition, 0>{};
+  static constexpr auto ImplementsApis = std::array<ControllerServiceTypeDefinition, 0>{};
 
  protected:
   std::unique_ptr<ControllerServiceApi> impl_;
@@ -146,6 +147,10 @@ inline void ControllerService::ControllerServiceDescriptorImpl::setSupportedProp
   impl_.setSupportedProperties(properties);
 }
 
+inline void ControllerService::ControllerServiceDescriptorImpl::setSupportedProperties(std::span<const Property> properties) {
+  impl_.setSupportedProperties(properties);
+}
+
 inline std::expected<std::string, std::error_code> ControllerService::ControllerServiceContextImpl::getProperty(std::string_view name) const {
   return impl_.getProperty(name);
 }

libminifi/include/utils/CControllerService.h

@@ -0,0 +1,114 @@
+/**
+* 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.
+ */
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "minifi-c/minifi-c.h"
+#include "minifi-cpp/Exception.h"
+#include "minifi-cpp/core/ControllerServiceMetadata.h"
+#include "minifi-cpp/core/Property.h"
+#include "minifi-cpp/core/controller/ControllerServiceApi.h"
+
+namespace org::apache::nifi::minifi::utils {
+class CControllerService;
+
+
+struct CControllerServiceClassDescription {
+  std::string full_name;
+  std::vector<core::Property> class_properties;
+  MinifiControllerServiceCallbacks callbacks;
+};
+
+class CControllerService final : public core::controller::ControllerServiceApi, public core::controller::ControllerServiceHandle {
+ public:
+  CControllerService(CControllerServiceClassDescription class_description, core::ControllerServiceMetadata metadata)
+    : class_description_(std::move(class_description)),
+      metadata_(std::move(metadata)) {
+    MinifiControllerServiceMetadata c_metadata;
+    auto uuid_str = metadata_.uuid.to_string();
+    c_metadata.uuid = MinifiStringView{.data = uuid_str.data(), .length = uuid_str.length()};
+    c_metadata.name = MinifiStringView{.data = metadata_.name.data(), .length = metadata_.name.length()};
+    c_metadata.logger = reinterpret_cast<MinifiLogger*>(&metadata_.logger);
+    impl_ = class_description_.callbacks.create(c_metadata);
+  }
+  CControllerService(CControllerServiceClassDescription class_description, core::ControllerServiceMetadata metadata, gsl::owner<void*> impl)
+      : class_description_(std::move(class_description)),
+        impl_(impl),
+        metadata_(std::move(metadata)) {}
+  CControllerService(const CControllerService&) = delete;
+  CControllerService& operator=(const CControllerService&) = delete;
+  CControllerService(CControllerService&&) = delete;
+  CControllerService& operator=(CControllerService&&) = delete;
+  ~CControllerService() override {
+    class_description_.callbacks.destroy(impl_);
+  }
+
+  [[nodiscard]] bool supportsDynamicProperties() const override {
+    return false;
+  }
+
+  void initialize(core::controller::ControllerServiceDescriptor& descriptor) override {
+    descriptor.setSupportedProperties(std::span(class_description_.class_properties));
+  }
+
+  void onEnable(core::controller::ControllerServiceContext& controller_service_context,
+      const std::shared_ptr<Configure>&,
+      const std::vector<std::shared_ptr<core::controller::ControllerServiceHandle>>&) override {
+    const auto enable_status = class_description_.callbacks.enable(impl_, reinterpret_cast<MinifiControllerServiceContext*>(&controller_service_context));
+    if (enable_status != MINIFI_STATUS_SUCCESS) {
+      throw Exception(PROCESS_SCHEDULE_EXCEPTION, "Could not enable controller service");
+    }
+  }
+
+  void notifyStop() override {
+    class_description_.callbacks.disable(impl_);
+  }
+
+  ControllerServiceHandle* getControllerServiceHandle() override {
+    return this;
+  }
+
+  [[nodiscard]] std::string getName() const {
+    return metadata_.name;
+  }
+
+  [[nodiscard]] Identifier getUUID() const {
+    return metadata_.uuid;
+  }
+
+  [[nodiscard]] void* getImpl() const {
+    return this->impl_;
+  }
+
+  [[nodiscard]] const CControllerServiceClassDescription& getClassDescription() const {
+    return class_description_;
+  }
+
+ private:
+  CControllerServiceClassDescription class_description_;
+  gsl::owner<void*> impl_;
+  minifi::core::ControllerServiceMetadata metadata_;
+};
+
+void useCControllerServiceClassDescription(const MinifiControllerServiceClassDefinition& class_description,
+    const BundleIdentifier& bundle_id,
+    const std::function<void(ClassDescription, CControllerServiceClassDescription)>& fn);
+
+}  // namespace org::apache::nifi::minifi::utils

libminifi/include/utils/CProcessor.h

@@ -18,6 +18,7 @@
 #pragma once
 
 #include <string>
+#include <utility>
 
 #include "minifi-cpp/core/Annotation.h"
 #include "core/ProcessorMetrics.h"
@@ -62,19 +63,19 @@ class CProcessor : public minifi::core::ProcessorApi {
  public:
   CProcessor(CProcessorClassDescription class_description, minifi::core::ProcessorMetadata metadata)
       : class_description_(std::move(class_description)),
+        metadata_(std::move(metadata)),
         metrics_extension_(std::make_shared<CProcessorMetricsWrapper>(*this)) {
-    metadata_ = metadata;
     MinifiProcessorMetadata c_metadata;
-    auto uuid_str = metadata.uuid.to_string();
+    const auto uuid_str = metadata.uuid.to_string();
     c_metadata.uuid = MinifiStringView{.data = uuid_str.data(), .length = uuid_str.length()};
-    c_metadata.name = MinifiStringView{.data = metadata.name.data(), .length = metadata.name.length()};
+    c_metadata.name = MinifiStringView{.data = metadata_.name.data(), .length = metadata_.name.length()};
     c_metadata.logger = reinterpret_cast<MinifiLogger*>(&metadata_.logger);
     impl_ = class_description_.callbacks.create(c_metadata);
   }
   CProcessor(CProcessorClassDescription class_description, minifi::core::ProcessorMetadata metadata, gsl::owner<void*> impl)
       : class_description_(std::move(class_description)),
         impl_(impl),
-        metadata_(metadata),
+        metadata_(std::move(metadata)),
         metrics_extension_(std::make_shared<CProcessorMetricsWrapper>(*this)) {}
   ~CProcessor() override {
     class_description_.callbacks.destroy(impl_);

libminifi/src/controllers/SSLContextService.cpp

@@ -596,7 +596,7 @@ void SSLContextService::verifyCertificateExpiration() {
 std::shared_ptr<SSLContextService> SSLContextService::createAndEnable(std::string_view name, const std::shared_ptr<Configure>& configuration) {
   auto uuid = utils::IdGenerator::getIdGenerator()->generate();
   auto logger = core::logging::LoggerFactory<SSLContextService>::getLogger(uuid);
-  auto service = std::make_shared<core::controller::ControllerService>(name, uuid, std::make_unique<SSLContextService>(core::controller::ControllerServiceMetadata{
+  auto service = std::make_shared<core::controller::ControllerService>(name, uuid, std::make_unique<SSLContextService>(core::ControllerServiceMetadata{
     .uuid = uuid,
     .name = std::string{name},
     .logger = logger,