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.browser.provider;
  
  import com.linecorp.armeria.common.HttpMethod;
  import java.util.Collections;
  import org.apache.skywalking.oap.server.configuration.api.ConfigurationModule;
  import org.apache.skywalking.oap.server.core.CoreModule;
  import org.apache.skywalking.oap.server.core.oal.rt.OALEngineLoaderService;
  import org.apache.skywalking.oap.server.core.server.GRPCHandlerRegister;
  import org.apache.skywalking.oap.server.core.server.HTTPHandlerRegister;
  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.receiver.browser.module.BrowserModule;
  import org.apache.skywalking.oap.server.receiver.browser.provider.handler.grpc.BrowserPerfServiceHandler;
  import org.apache.skywalking.oap.server.receiver.browser.provider.handler.grpc.BrowserPerfServiceHandlerCompat;
  import org.apache.skywalking.oap.server.receiver.browser.provider.handler.rest.BrowserPerfServiceHTTPHandler;
  import org.apache.skywalking.oap.server.receiver.browser.provider.parser.errorlog.ErrorLogParserListenerManager;
  import org.apache.skywalking.oap.server.receiver.browser.provider.parser.errorlog.listener.ErrorLogRecordListener;
  import org.apache.skywalking.oap.server.receiver.browser.provider.parser.errorlog.listener.MultiScopesErrorLogAnalysisListener;
  import org.apache.skywalking.oap.server.receiver.browser.provider.parser.performance.PerfDataParserListenerManager;
  import org.apache.skywalking.oap.server.receiver.browser.provider.parser.performance.listener.MultiScopesPerfDataAnalysisListener;
  import org.apache.skywalking.oap.server.receiver.sharing.server.SharingServerModule;
  import org.apache.skywalking.oap.server.telemetry.TelemetryModule;
  
  public class BrowserModuleProvider extends ModuleProvider {
      private BrowserServiceModuleConfig moduleConfig;
  
      @Override
      public String name() {
          return "default";
      }
  
      @Override
      public Class<? extends ModuleDefine> module() {
          return BrowserModule.class;
      }
  
      @Override
      public ConfigCreator newConfigCreator() {
          return new ConfigCreator<BrowserServiceModuleConfig>() {
              @Override
              public Class type() {
                  return BrowserServiceModuleConfig.class;
              }
  
              @Override
              public void onInitialized(final BrowserServiceModuleConfig initialized) {
                  moduleConfig = initialized;
              }
          };
      }
  
      @Override
      public void prepare() throws ServiceNotProvidedException, ModuleStartException {
  
      }
  
      @Override
      public void start() throws ServiceNotProvidedException, ModuleStartException {
          // load browser analysis
          getManager().find(CoreModule.NAME)
                      .provider()
                      .getService(OALEngineLoaderService.class)
                      .load(BrowserOALDefine.INSTANCE);
  
          GRPCHandlerRegister grpcHandlerRegister = getManager().find(SharingServerModule.NAME)
                                                                .provider().getService(GRPCHandlerRegister.class);
          // grpc
          BrowserPerfServiceHandler browserPerfServiceHandler = new BrowserPerfServiceHandler(
              getManager(), moduleConfig, perfDataListenerManager(), errorLogListenerManager());
          grpcHandlerRegister.addHandler(browserPerfServiceHandler);
          grpcHandlerRegister.addHandler(new BrowserPerfServiceHandlerCompat(browserPerfServiceHandler));
  
          // rest
          HTTPHandlerRegister httpHandlerRegister = getManager().find(SharingServerModule.NAME)
                                                                .provider()
                                                                .getService(HTTPHandlerRegister.class);
  
          ErrorLogParserListenerManager errorLogParserListenerManager = errorLogListenerManager();
          httpHandlerRegister.addHandler(
              new BrowserPerfServiceHTTPHandler(getManager(), moduleConfig,
                                                errorLogParserListenerManager,
                                                perfDataListenerManager()), Collections.singletonList(HttpMethod.POST));
      }
  
      @Override
      public void notifyAfterCompleted() throws ServiceNotProvidedException, ModuleStartException {
  
      }
  
      @Override
      public String[] requiredModules() {
          return new String[] {
              TelemetryModule.NAME,
              CoreModule.NAME,
              SharingServerModule.NAME,
              ConfigurationModule.NAME
          };
      }
  
      private PerfDataParserListenerManager perfDataListenerManager() {
          PerfDataParserListenerManager listenerManager = new PerfDataParserListenerManager();
          listenerManager.add(new MultiScopesPerfDataAnalysisListener.Factory(getManager(), moduleConfig));
  
          return listenerManager;
      }
  
      private ErrorLogParserListenerManager errorLogListenerManager() {
          ErrorLogParserListenerManager listenerManager = new ErrorLogParserListenerManager();
          listenerManager.add(new MultiScopesErrorLogAnalysisListener.Factory(getManager(), moduleConfig));
          listenerManager.add(new ErrorLogRecordListener.Factory(getManager(), moduleConfig));
  
          return listenerManager;
      }
  }
  