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.log.provider.handler.rest;
  
  import com.linecorp.armeria.server.annotation.Post;
  import java.util.List;
  import lombok.extern.slf4j.Slf4j;
  import org.apache.skywalking.apm.network.common.v3.Commands;
  import org.apache.skywalking.apm.network.logging.v3.LogData;
  import org.apache.skywalking.oap.log.analyzer.module.LogAnalyzerModule;
  import org.apache.skywalking.oap.log.analyzer.provider.log.ILogAnalyzerService;
  import org.apache.skywalking.oap.server.library.module.ModuleManager;
  import org.apache.skywalking.oap.server.telemetry.TelemetryModule;
  import org.apache.skywalking.oap.server.telemetry.api.CounterMetrics;
  import org.apache.skywalking.oap.server.telemetry.api.HistogramMetrics;
  import org.apache.skywalking.oap.server.telemetry.api.MetricsCreator;
  import org.apache.skywalking.oap.server.telemetry.api.MetricsTag;
  
  @Slf4j
  public class LogReportServiceHTTPHandler {
      private final HistogramMetrics histogram;
  
      private final CounterMetrics errorCounter;
  
      private final ILogAnalyzerService logAnalyzerService;
  
      public LogReportServiceHTTPHandler(final ModuleManager moduleManager) {
          final MetricsCreator metricsCreator = moduleManager.find(TelemetryModule.NAME)
                                                             .provider()
                                                             .getService(MetricsCreator.class);
  
          logAnalyzerService = moduleManager.find(LogAnalyzerModule.NAME)
                                            .provider()
                                            .getService(ILogAnalyzerService.class);
  
          histogram = metricsCreator.createHistogramMetric(
              "log_in_latency", "The process latency of log",
              new MetricsTag.Keys("protocol"), new MetricsTag.Values("http")
          );
          errorCounter = metricsCreator.createCounter(
              "log_analysis_error_count", "The error number of log analysis",
              new MetricsTag.Keys("protocol"), new MetricsTag.Values("http")
          );
      }
  
      @Post("/v3/logs")
      public Commands collectLogs(final List<LogData> logs) {
          try (final HistogramMetrics.Timer ignored = histogram.createTimer()) {
              logs.forEach(it -> logAnalyzerService.doAnalysis(it, null));
              return Commands.newBuilder().build();
          } catch (final Throwable e) {
              errorCounter.inc();
              throw e;
          }
      }
  }
  