| /** |
| * 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.hadoop.tracing; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.ipc.ProtobufHelper; |
| import org.apache.hadoop.ipc.ProtocolTranslator; |
| import org.apache.hadoop.ipc.RPC; |
| import org.apache.hadoop.tracing.TraceAdminPB.AddSpanReceiverRequestProto; |
| import org.apache.hadoop.tracing.TraceAdminPB.AddSpanReceiverResponseProto; |
| import org.apache.hadoop.tracing.TraceAdminPB.ListSpanReceiversRequestProto; |
| import org.apache.hadoop.tracing.TraceAdminPB.ListSpanReceiversResponseProto; |
| import org.apache.hadoop.tracing.TraceAdminPB.ConfigPair; |
| import org.apache.hadoop.tracing.TraceAdminPB.RemoveSpanReceiverRequestProto; |
| import org.apache.hadoop.tracing.TraceAdminPB.SpanReceiverListInfo; |
| import org.apache.hadoop.tracing.SpanReceiverInfo.ConfigurationPair; |
| import com.google.protobuf.ServiceException; |
| |
| @InterfaceAudience.Private |
| public class TraceAdminProtocolTranslatorPB implements |
| TraceAdminProtocol, ProtocolTranslator, Closeable { |
| private final TraceAdminProtocolPB rpcProxy; |
| |
| public TraceAdminProtocolTranslatorPB(TraceAdminProtocolPB rpcProxy) { |
| this.rpcProxy = rpcProxy; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| RPC.stopProxy(rpcProxy); |
| } |
| |
| @Override |
| public SpanReceiverInfo[] listSpanReceivers() throws IOException { |
| ArrayList<SpanReceiverInfo> infos = new ArrayList<SpanReceiverInfo>(1); |
| try { |
| ListSpanReceiversRequestProto req = |
| ListSpanReceiversRequestProto.newBuilder().build(); |
| ListSpanReceiversResponseProto resp = |
| rpcProxy.listSpanReceivers(null, req); |
| for (SpanReceiverListInfo info : resp.getDescriptionsList()) { |
| infos.add(new SpanReceiverInfo(info.getId(), info.getClassName())); |
| } |
| } catch (ServiceException e) { |
| throw ProtobufHelper.getRemoteException(e); |
| } |
| return infos.toArray(new SpanReceiverInfo[infos.size()]); |
| } |
| |
| @Override |
| public long addSpanReceiver(SpanReceiverInfo info) throws IOException { |
| try { |
| AddSpanReceiverRequestProto.Builder bld = |
| AddSpanReceiverRequestProto.newBuilder(); |
| bld.setClassName(info.getClassName()); |
| for (ConfigurationPair configPair : info.configPairs) { |
| ConfigPair tuple = ConfigPair.newBuilder(). |
| setKey(configPair.getKey()). |
| setValue(configPair.getValue()).build(); |
| bld.addConfig(tuple); |
| } |
| AddSpanReceiverResponseProto resp = |
| rpcProxy.addSpanReceiver(null, bld.build()); |
| return resp.getId(); |
| } catch (ServiceException e) { |
| throw ProtobufHelper.getRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void removeSpanReceiver(long spanReceiverId) throws IOException { |
| try { |
| RemoveSpanReceiverRequestProto req = |
| RemoveSpanReceiverRequestProto.newBuilder() |
| .setId(spanReceiverId).build(); |
| rpcProxy.removeSpanReceiver(null, req); |
| } catch (ServiceException e) { |
| throw ProtobufHelper.getRemoteException(e); |
| } |
| } |
| |
| @Override |
| public Object getUnderlyingProxyObject() { |
| return rpcProxy; |
| } |
| } |