alluxio.master.file.FileSystemMasterWorkerServiceHandler Maven / Gradle / Ivy
/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.master.file;
import alluxio.RpcUtils;
import alluxio.grpc.FileSystemHeartbeatPOptions;
import alluxio.grpc.FileSystemHeartbeatPRequest;
import alluxio.grpc.FileSystemHeartbeatPResponse;
import alluxio.grpc.FileSystemMasterWorkerServiceGrpc;
import alluxio.grpc.GetFileInfoPOptions;
import alluxio.grpc.GetFileInfoPRequest;
import alluxio.grpc.GetFileInfoPResponse;
import alluxio.grpc.GetPinnedFileIdsPOptions;
import alluxio.grpc.GetPinnedFileIdsPRequest;
import alluxio.grpc.GetPinnedFileIdsPResponse;
import alluxio.grpc.GetUfsInfoPOptions;
import alluxio.grpc.GetUfsInfoPRequest;
import alluxio.grpc.GetUfsInfoPResponse;
import alluxio.master.file.contexts.WorkerHeartbeatContext;
import alluxio.grpc.GrpcUtils;
import com.google.common.base.Preconditions;
import io.grpc.stub.StreamObserver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
/**
* This class is a gRPC handler for file system master RPCs invoked by an Alluxio worker.
*/
public final class FileSystemMasterWorkerServiceHandler
extends FileSystemMasterWorkerServiceGrpc.FileSystemMasterWorkerServiceImplBase {
private static final Logger LOG =
LoggerFactory.getLogger(FileSystemMasterWorkerServiceHandler.class);
private final FileSystemMaster mFileSystemMaster;
/**
* Creates a new instance of {@link FileSystemMasterWorkerServiceHandler}.
*
* @param fileSystemMaster the {@link FileSystemMaster} the handler uses internally
*/
public FileSystemMasterWorkerServiceHandler(FileSystemMaster fileSystemMaster) {
Preconditions.checkNotNull(fileSystemMaster, "fileSystemMaster");
mFileSystemMaster = fileSystemMaster;
}
@Override
public void fileSystemHeartbeat(FileSystemHeartbeatPRequest request,
StreamObserver responseObserver) {
final long workerId = request.getWorkerId();
final List persistedFiles = request.getPersistedFilesList();
FileSystemHeartbeatPOptions options = request.getOptions();
RpcUtils.call(LOG,
(RpcUtils.RpcCallableThrowsIOException)
() -> FileSystemHeartbeatPResponse
.newBuilder()
.setCommand(GrpcUtils.toProto(mFileSystemMaster.workerHeartbeat(workerId,
persistedFiles, WorkerHeartbeatContext.create(options.toBuilder()))))
.build(),
"workerHeartbeat", "workerId=%s, persistedFiles=%s, options=%s", responseObserver, workerId,
persistedFiles, options);
}
@Override
public void getFileInfo(GetFileInfoPRequest request,
StreamObserver responseObserver) {
final long fileId = request.getFileId();
GetFileInfoPOptions options = request.getOptions();
RpcUtils.call(LOG,
(RpcUtils.RpcCallableThrowsIOException) () -> GetFileInfoPResponse
.newBuilder().setFileInfo(GrpcUtils.toProto(mFileSystemMaster.getFileInfo(fileId)))
.build(),
"getFileInfo", "fileId=%s, options=%s", responseObserver, fileId, options);
}
@Override
public void getPinnedFileIds(GetPinnedFileIdsPRequest request,
StreamObserver responseObserver) {
GetPinnedFileIdsPOptions options = request.getOptions();
RpcUtils.call(LOG,
(RpcUtils.RpcCallableThrowsIOException)
() -> GetPinnedFileIdsPResponse
.newBuilder().addAllPinnedFileIds(mFileSystemMaster.getPinIdList()).build(),
"getPinnedFileIds", "options=%s", responseObserver, options);
}
@Override
public void getUfsInfo(GetUfsInfoPRequest request,
StreamObserver responseObserver) {
final long mountId = request.getMountId();
GetUfsInfoPOptions options = request.getOptions();
RpcUtils.call(LOG,
(RpcUtils.RpcCallableThrowsIOException) () -> GetUfsInfoPResponse
.newBuilder().setUfsInfo(GrpcUtils.toProto(mFileSystemMaster.getUfsInfo(mountId)))
.build(),
"getUfsInfo", "mountId=%s, options=%s", responseObserver, mountId, options);
}
}
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