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Adding basic GRPC code for writes with disruptor (#67)
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178 changes: 178 additions & 0 deletions
178
cluster/src/main/java/com/srotya/sidewinder/cluster/rpc/ReplicationServiceImpl.java
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| /** | ||
| * Copyright 2017 Ambud Sharma | ||
| * | ||
| * 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. | ||
| */ | ||
| package com.srotya.sidewinder.cluster.rpc; | ||
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|
||
| import java.nio.ByteBuffer; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map.Entry; | ||
| import java.util.SortedMap; | ||
| import java.util.concurrent.TimeUnit; | ||
|
|
||
| import com.google.protobuf.ByteString; | ||
| import com.google.protobuf.ProtocolStringList; | ||
| import com.srotya.sidewinder.cluster.rpc.ListTimeseriesOffsetResponse.OffsetEntry; | ||
| import com.srotya.sidewinder.cluster.rpc.ListTimeseriesOffsetResponse.OffsetEntry.Bucket; | ||
| import com.srotya.sidewinder.cluster.rpc.ReplicationServiceGrpc.ReplicationServiceImplBase; | ||
| import com.srotya.sidewinder.core.storage.Measurement; | ||
| import com.srotya.sidewinder.core.storage.StorageEngine; | ||
| import com.srotya.sidewinder.core.storage.TimeSeries; | ||
| import com.srotya.sidewinder.core.storage.TimeSeriesBucket; | ||
|
|
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| import io.grpc.stub.StreamObserver; | ||
|
|
||
| /** | ||
| * @author ambud | ||
| */ | ||
| public class ReplicationServiceImpl extends ReplicationServiceImplBase { | ||
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| private StorageEngine engine; | ||
|
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| public ReplicationServiceImpl(StorageEngine engine) { | ||
| this.engine = engine; | ||
| } | ||
|
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| @Override | ||
| public void listBatchTimeseriesOffsetList(ListTimeseriesOffsetRequest request, | ||
| StreamObserver<ListTimeseriesOffsetResponse> responseObserver) { | ||
| String dbName = request.getDbName(); | ||
| String measurementName = request.getMeasurementName(); | ||
| try { | ||
| Measurement measurement = engine.getOrCreateMeasurement(dbName, measurementName); | ||
|
|
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| ListTimeseriesOffsetResponse.Builder builder = ListTimeseriesOffsetResponse.newBuilder(); | ||
| for (TimeSeries timeSeries : measurement.getTimeSeries()) { | ||
| OffsetEntry.Builder offsetBuilder = OffsetEntry.newBuilder(); | ||
|
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| String seriesId = timeSeries.getSeriesId(); | ||
| String[] keys = seriesId.split(Measurement.FIELD_TAG_SEPARATOR); | ||
| String valueFieldName = keys[0]; | ||
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| List<String> tags = Measurement.decodeStringToTags(measurement.getTagIndex(), keys[1]); | ||
| offsetBuilder.setValueFieldName(valueFieldName); | ||
| offsetBuilder.addAllTags(tags); | ||
|
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| SortedMap<String, List<TimeSeriesBucket>> bucketRawMap = timeSeries.getBucketRawMap(); | ||
| for (Entry<String, List<TimeSeriesBucket>> entry : bucketRawMap.entrySet()) { | ||
| for (int i = 0; i < entry.getValue().size(); i++) { | ||
| TimeSeriesBucket timeSeriesBucket = entry.getValue().get(i); | ||
| OffsetEntry.Bucket.Builder bucket = Bucket.newBuilder(); | ||
| bucket.setIndex(i); | ||
| bucket.setOffset(timeSeriesBucket.getWriter().currentOffset()); | ||
| bucket.setBucketTs(entry.getKey()); | ||
| offsetBuilder.addBuckets(bucket.build()); | ||
| } | ||
| } | ||
| builder.addEntries(offsetBuilder.build()); | ||
| } | ||
| responseObserver.onNext(builder.build()); | ||
| responseObserver.onCompleted(); | ||
| } catch (Exception e) { | ||
| responseObserver.onError(e); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void batchFetchTimeseriesDataAtOffset(BatchRawTimeSeriesOffsetRequest request, | ||
| StreamObserver<BatchRawTimeSeriesOffsetResponse> responseObserver) { | ||
| BatchRawTimeSeriesOffsetResponse.Builder rawBuilder = BatchRawTimeSeriesOffsetResponse.newBuilder(); | ||
| List<RawTimeSeriesOffsetRequest> requestsList = request.getRequestsList(); | ||
| for (RawTimeSeriesOffsetRequest rawRequest : requestsList) { | ||
| RawTimeSeriesOffsetResponse.Builder builder = RawTimeSeriesOffsetResponse.newBuilder(); | ||
|
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| String dbName = rawRequest.getDbName(); | ||
| String measurementName = rawRequest.getMeasurementName(); | ||
| String valueFieldName = rawRequest.getValueFieldName(); | ||
| ProtocolStringList tags = rawRequest.getTagsList(); | ||
| long blockTimestamp = rawRequest.getBlockTimestamp(); | ||
| int index = rawRequest.getIndex(); | ||
| int offset = rawRequest.getOffset(); | ||
| int bucketSize = rawRequest.getBucketSize(); | ||
| try { | ||
| TimeSeries timeSeries = engine.getTimeSeries(dbName, measurementName, valueFieldName, | ||
| new ArrayList<>(tags)); | ||
| String timeBucket = TimeSeries.getTimeBucket(TimeUnit.MILLISECONDS, blockTimestamp, bucketSize); | ||
| SortedMap<String, List<TimeSeriesBucket>> bucketRawMap = timeSeries.getBucketRawMap(); | ||
| List<TimeSeriesBucket> list = bucketRawMap.get(timeBucket); | ||
| TimeSeriesBucket timeSeriesBucket = list.get(index); | ||
| builder.setBlockTimestamp(blockTimestamp); | ||
| builder.setDbName(dbName); | ||
| builder.setMeasurementName(measurementName); | ||
| builder.setBucketSize(bucketSize); | ||
| builder.setMessageId(request.getMessageId()); | ||
| builder.setFp(timeSeries.isFp()); | ||
| builder.setValueFieldName(valueFieldName); | ||
| builder.addAllTags(tags); | ||
| builder.setIndex(index); | ||
|
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| builder.setCount(timeSeriesBucket.getCount()); | ||
| ByteBuffer buf = timeSeriesBucket.getWriter().getRawBytes(); | ||
| buf.position(offset); | ||
| builder.setData(ByteString.copyFrom(buf)); | ||
| rawBuilder.addResponses(builder.build()); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| responseObserver.onError(e); | ||
| } | ||
| } | ||
| responseObserver.onNext(rawBuilder.build()); | ||
| responseObserver.onCompleted(); | ||
| } | ||
|
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| @Override | ||
| public void fetchTimeseriesDataAtOffset(RawTimeSeriesOffsetRequest request, | ||
| StreamObserver<RawTimeSeriesOffsetResponse> responseObserver) { | ||
| RawTimeSeriesOffsetResponse.Builder builder = RawTimeSeriesOffsetResponse.newBuilder(); | ||
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| String dbName = request.getDbName(); | ||
| String measurementName = request.getMeasurementName(); | ||
| String valueFieldName = request.getValueFieldName(); | ||
| ProtocolStringList tags = request.getTagsList(); | ||
| long blockTimestamp = request.getBlockTimestamp(); | ||
| int index = request.getIndex(); | ||
| int offset = request.getOffset(); | ||
| int bucketSize = request.getBucketSize(); | ||
| try { | ||
| TimeSeries timeSeries = engine.getTimeSeries(dbName, measurementName, valueFieldName, | ||
| new ArrayList<>(tags)); | ||
| String timeBucket = TimeSeries.getTimeBucket(TimeUnit.MILLISECONDS, blockTimestamp, bucketSize); | ||
| SortedMap<String, List<TimeSeriesBucket>> bucketRawMap = timeSeries.getBucketRawMap(); | ||
| List<TimeSeriesBucket> list = bucketRawMap.get(timeBucket); | ||
| TimeSeriesBucket timeSeriesBucket = list.get(index); | ||
|
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| builder.setBlockTimestamp(blockTimestamp); | ||
| builder.setDbName(dbName); | ||
| builder.setMeasurementName(measurementName); | ||
| builder.setBucketSize(bucketSize); | ||
| builder.setMessageId(request.getMessageId()); | ||
| builder.setFp(timeSeries.isFp()); | ||
| builder.setValueFieldName(valueFieldName); | ||
| builder.addAllTags(tags); | ||
| builder.setIndex(index); | ||
| builder.setCount(timeSeriesBucket.getCount()); | ||
| ByteBuffer buf = timeSeriesBucket.getWriter().getRawBytes(); | ||
| buf.position(offset); | ||
| builder.setData(ByteString.copyFrom(buf)); | ||
|
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| responseObserver.onNext(builder.build()); | ||
| responseObserver.onCompleted(); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| responseObserver.onError(e); | ||
| } | ||
| } | ||
|
|
||
| } |
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