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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* Licensed 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.so;
import io.grpc.ServerBuilder;
import io.grpc.stub.StreamObserver;
import io.grpc.testing.GrpcCleanupRule;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicReference;
import javax.annotation.PostConstruct;
import org.junit.Rule;
import org.onap.ccsdk.cds.controllerblueprints.common.api.EventType;
import org.onap.ccsdk.cds.controllerblueprints.common.api.Status;
import org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc.BluePrintProcessingServiceImplBase;
import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput;
import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
@Component
public class GrpcNettyServer extends BluePrintProcessingServiceImplBase {
private static final Logger logger = LoggerFactory.getLogger(GrpcNettyServer.class);
@Value("${cds.endpoint}")
private String host;
@Value("${cds.port}")
private String port;
@Rule
public final GrpcCleanupRule grpcCleanup = new GrpcCleanupRule();
private final List<String> messagesDelivered = new ArrayList<>();
private final CountDownLatch allRequestsDelivered = new CountDownLatch(1);
private final AtomicReference<StreamObserver<ExecutionServiceOutput>> responseObserverRef = new AtomicReference<>();
@PostConstruct
public void start() throws IOException {
final BluePrintProcessingServiceImplBase blueprintPrcessorImpl =
new BluePrintProcessingServiceImplBase() {
@Override
public StreamObserver<ExecutionServiceInput> process(
StreamObserver<ExecutionServiceOutput> responseObserver) {
responseObserverRef.set(responseObserver);
StreamObserver<ExecutionServiceInput> requestObserver = new StreamObserver<ExecutionServiceInput>() {
@Override
public void onNext(ExecutionServiceInput message) {
messagesDelivered.add(message.getActionIdentifiers().getActionName());
logger.info("Message received: {}", message);
ExecutionServiceOutput executionServiceOutput = ExecutionServiceOutput.newBuilder()
.setActionIdentifiers(message.getActionIdentifiers())
.setStatus(Status.newBuilder().setEventType(
EventType.EVENT_COMPONENT_EXECUTED).build()).build();
responseObserverRef.get().onNext(executionServiceOutput);
logger.info("Message sent: {}", executionServiceOutput);
}
@Override
public void onError(Throwable t) {
responseObserverRef.get().onError(t);
}
@Override
public void onCompleted() {
allRequestsDelivered.countDown();
responseObserverRef.get().onCompleted();
}
};
return requestObserver;
}
};
grpcCleanup.register(
ServerBuilder.forPort(Integer.valueOf(port)).directExecutor().addService(blueprintPrcessorImpl).build()
.start());
}
public List<String> getMessagesDelivered() {
return this.messagesDelivered;
}
}
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