code: /*
   * 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.
   *
   */
  
  package org.apache.skywalking.oap.server.receiver.aws.firehose;
  
  import com.linecorp.armeria.common.HttpMethod;
  import java.util.Collections;
  import lombok.extern.slf4j.Slf4j;
  import org.apache.skywalking.oap.server.library.module.ModuleDefine;
  import org.apache.skywalking.oap.server.library.module.ModuleProvider;
  import org.apache.skywalking.oap.server.library.module.ModuleStartException;
  import org.apache.skywalking.oap.server.library.module.ServiceNotProvidedException;
  import org.apache.skywalking.oap.server.library.server.http.HTTPServer;
  import org.apache.skywalking.oap.server.library.server.http.HTTPServerConfig;
  import org.apache.skywalking.oap.server.receiver.otel.OtelMetricReceiverModule;
  import org.apache.skywalking.oap.server.receiver.otel.otlp.OpenTelemetryMetricRequestProcessor;
  
  @Slf4j
  public class AWSFirehoseReceiverModuleProvider extends ModuleProvider {
      public static final String NAME = "default";
  
      private AWSFirehoseReceiverModuleConfig moduleConfig;
      private HTTPServer httpServer;
  
      @Override
      public String name() {
          return NAME;
      }
  
      @Override
      public Class<? extends ModuleDefine> module() {
          return AWSFirehoseReceiverModule.class;
      }
  
      @Override
      public ConfigCreator<AWSFirehoseReceiverModuleConfig> newConfigCreator() {
          return new ConfigCreator<AWSFirehoseReceiverModuleConfig>() {
              @Override
              public Class<AWSFirehoseReceiverModuleConfig> type() {
                  return AWSFirehoseReceiverModuleConfig.class;
              }
  
              @Override
              public void onInitialized(final AWSFirehoseReceiverModuleConfig initialized) {
                  moduleConfig = initialized;
              }
          };
      }
  
      @Override
      public void prepare() throws ServiceNotProvidedException {
          final HTTPServerConfig httpServerConfig = HTTPServerConfig.builder().host(moduleConfig.getHost())
                                                                    .port(moduleConfig.getPort())
                                                                    .contextPath(moduleConfig.getContextPath())
                                                                    .maxThreads(moduleConfig.getMaxThreads())
                                                                    .idleTimeOut(moduleConfig.getIdleTimeOut())
                                                                    .acceptQueueSize(
                                                                        moduleConfig.getAcceptQueueSize())
                                                                    .maxRequestHeaderSize(
                                                                        moduleConfig.getMaxRequestHeaderSize())
                                                                    //set acceptProxyRequest same with enableTLS
                                                                    .acceptProxyRequest(
                                                                        moduleConfig.isEnableTLS())
                                                                    .enableTLS(moduleConfig.isEnableTLS())
                                                                    .tlsKeyPath(moduleConfig.getTlsKeyPath())
                                                                    .tlsCertChainPath(moduleConfig.getTlsCertChainPath())
                                                                    .build();
          httpServer = new HTTPServer(httpServerConfig);
          httpServer.initialize();
      }
  
      @Override
      public void start() throws ServiceNotProvidedException, ModuleStartException {
          final OpenTelemetryMetricRequestProcessor processor = getManager().find(OtelMetricReceiverModule.NAME)
                                                                            .provider()
                                                                            .getService(
                                                                                OpenTelemetryMetricRequestProcessor.class);
          httpServer.addHandler(
              new FirehoseHTTPHandler(processor, moduleConfig.getFirehoseAccessKey()),
              Collections.singletonList(HttpMethod.POST)
          );
      }
  
      @Override
      public void notifyAfterCompleted() throws ServiceNotProvidedException, ModuleStartException {
          httpServer.start();
      }
  
      @Override
      public String[] requiredModules() {
          return new String[] {
              OtelMetricReceiverModule.NAME
          };
      }
  }
  