| /** |
| * 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.hdfs.server.federation.router; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.RouterFederatedStateProto; |
| import org.apache.hadoop.ipc.AlignmentContext; |
| import org.apache.hadoop.ipc.ClientId; |
| import org.apache.hadoop.ipc.RPC; |
| import org.apache.hadoop.ipc.RpcConstants; |
| import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos; |
| import org.apache.hadoop.thirdparty.protobuf.InvalidProtocolBufferException; |
| import org.apache.hadoop.util.ProtoUtil; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.*; |
| |
| |
| public class TestRouterFederatedState { |
| |
| @Test |
| public void testRpcRouterFederatedState() throws InvalidProtocolBufferException { |
| byte[] uuid = ClientId.getClientId(); |
| Map<String, Long> expectedStateIds = new HashMap<String, Long>() { |
| { |
| put("namespace1", 11L); |
| put("namespace2", 22L); |
| } |
| }; |
| |
| AlignmentContext alignmentContext = new AlignmentContextWithRouterState(expectedStateIds); |
| |
| RpcHeaderProtos.RpcRequestHeaderProto header = ProtoUtil.makeRpcRequestHeader( |
| RPC.RpcKind.RPC_PROTOCOL_BUFFER, |
| RpcHeaderProtos.RpcRequestHeaderProto.OperationProto.RPC_FINAL_PACKET, |
| 0, |
| RpcConstants.INVALID_RETRY_COUNT, |
| uuid, |
| alignmentContext); |
| |
| Map<String, Long> stateIdsFromHeader = |
| RouterFederatedStateProto.parseFrom( |
| header.getRouterFederatedState().toByteArray() |
| ).getNamespaceStateIdsMap(); |
| |
| assertEquals(expectedStateIds, stateIdsFromHeader); |
| } |
| |
| private static class AlignmentContextWithRouterState implements AlignmentContext { |
| |
| private Map<String, Long> routerFederatedState; |
| |
| AlignmentContextWithRouterState(Map<String, Long> namespaceStates) { |
| this.routerFederatedState = namespaceStates; |
| } |
| |
| @Override |
| public void updateRequestState(RpcHeaderProtos.RpcRequestHeaderProto.Builder header) { |
| RouterFederatedStateProto fedState = RouterFederatedStateProto |
| .newBuilder() |
| .putAllNamespaceStateIds(routerFederatedState) |
| .build(); |
| |
| header.setRouterFederatedState(fedState.toByteString()); |
| } |
| |
| @Override |
| public void updateResponseState(RpcHeaderProtos.RpcResponseHeaderProto.Builder header) {} |
| |
| @Override |
| public void receiveResponseState(RpcHeaderProtos.RpcResponseHeaderProto header) {} |
| |
| @Override |
| public long receiveRequestState(RpcHeaderProtos.RpcRequestHeaderProto header, long threshold) { |
| return 0; |
| } |
| |
| @Override |
| public long getLastSeenStateId() { |
| return 0; |
| } |
| |
| @Override |
| public boolean isCoordinatedCall(String protocolName, String method) { |
| return false; |
| } |
| } |
| } |