mock-collector/src/main/java/org/apache/skywalking/plugin/test/mockcollector/mock/MockTraceSegmentService.java

/*
 * 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.plugin.test.mockcollector.mock;

import io.grpc.stub.StreamObserver;
import lombok.extern.slf4j.Slf4j;
import org.apache.skywalking.apm.network.common.v3.Commands;
import org.apache.skywalking.apm.network.language.agent.v3.SegmentObject;
import org.apache.skywalking.apm.network.language.agent.v3.TraceSegmentReportServiceGrpc;
import org.apache.skywalking.plugin.test.mockcollector.util.TraceSegmentHandler;

@Slf4j
public class MockTraceSegmentService extends TraceSegmentReportServiceGrpc.TraceSegmentReportServiceImplBase {

    @Override
    public StreamObserver<SegmentObject> collect(StreamObserver<Commands> responseObserver) {
        return new StreamObserver<SegmentObject>() {
            @Override
            public void onNext(SegmentObject segmentObject) {
                if (segmentObject.getSpansList().size() == 0) {
                    return;
                }

                TraceSegmentHandler.parseSegment(segmentObject);
            }

            @Override
            public void onError(Throwable throwable) {
                log.error(throwable.getMessage(), throwable);
                responseObserver.onCompleted();
            }

            @Override
            public void onCompleted() {
                responseObserver.onNext(Commands.newBuilder().build());
                responseObserver.onCompleted();
            }
        };
    }

}