| /* |
| * 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.ratis; |
| |
| import org.apache.log4j.Level; |
| import org.apache.ratis.RaftTestUtil.SimpleMessage; |
| import org.apache.ratis.client.RaftClient; |
| import org.apache.ratis.client.RaftClientConfigKeys; |
| import org.apache.ratis.client.api.MessageOutputStream; |
| import org.apache.ratis.conf.RaftProperties; |
| import org.apache.ratis.protocol.Message; |
| import org.apache.ratis.protocol.RaftClientReply; |
| import org.apache.ratis.server.RaftServer; |
| import org.apache.ratis.server.impl.MiniRaftCluster; |
| import org.apache.ratis.statemachine.SimpleStateMachine4Testing; |
| import org.apache.ratis.statemachine.StateMachine; |
| import org.apache.ratis.thirdparty.com.google.protobuf.ByteString; |
| import org.apache.ratis.util.Log4jUtils; |
| import org.apache.ratis.util.SizeInBytes; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.nio.charset.StandardCharsets; |
| |
| public abstract class MessageStreamApiTests<CLUSTER extends MiniRaftCluster> extends BaseTest |
| implements MiniRaftCluster.Factory.Get<CLUSTER> { |
| { |
| Log4jUtils.setLogLevel(RaftServer.Division.LOG, Level.DEBUG); |
| Log4jUtils.setLogLevel(RaftClient.LOG, Level.DEBUG); |
| } |
| |
| public static final int NUM_SERVERS = 3; |
| |
| @Test |
| public void testStream() throws Exception { |
| final RaftProperties p = getProperties(); |
| p.setClass(MiniRaftCluster.STATEMACHINE_CLASS_KEY, |
| SimpleStateMachine4Testing.class, StateMachine.class); |
| |
| runWithNewCluster(NUM_SERVERS, this::runTestStream); |
| } |
| |
| void runTestStream(CLUSTER cluster) throws Exception { |
| RaftTestUtil.waitForLeader(cluster); |
| |
| // stream multiple parts |
| final int numParts = 9; |
| final int endOfRequest = 6; |
| final StringBuilder key = new StringBuilder(); |
| try(RaftClient client = cluster.createClient(); |
| MessageOutputStream out = client.getMessageStreamApi().stream()) { |
| for (int i = 1; i <= numParts; i++) { |
| key.append(i); |
| out.sendAsync(new SimpleMessage(i + ""), i == endOfRequest); |
| } |
| } |
| |
| // check if all the parts are streamed as a single message. |
| final String k = key.toString(); |
| try(RaftClient client = cluster.createClient()) { |
| final String k1 = k.substring(0, endOfRequest); |
| final RaftClientReply r1= client.io().sendReadOnly(new SimpleMessage(k1)); |
| Assert.assertTrue(r1.isSuccess()); |
| |
| final String k2 = k.substring(endOfRequest); |
| final RaftClientReply r2 = client.io().sendReadOnly(new SimpleMessage(k2)); |
| Assert.assertTrue(r2.isSuccess()); |
| } |
| } |
| |
| private static final SizeInBytes SUBMESSAGE_SIZE = SizeInBytes.ONE_KB; |
| |
| @Test |
| public void testStreamAsync() throws Exception { |
| final RaftProperties p = getProperties(); |
| RaftClientConfigKeys.MessageStream.setSubmessageSize(p, SUBMESSAGE_SIZE); |
| p.setClass(MiniRaftCluster.STATEMACHINE_CLASS_KEY, |
| SimpleStateMachine4Testing.class, StateMachine.class); |
| |
| runWithNewCluster(NUM_SERVERS, this::runTestStreamAsync); |
| RaftClientConfigKeys.MessageStream.setSubmessageSize(p); |
| } |
| |
| void runTestStreamAsync(CLUSTER cluster) throws Exception { |
| RaftTestUtil.waitForLeader(cluster); |
| |
| ByteString bytes = ByteString.EMPTY; |
| for(int i = 0; i < 10; ) { |
| final String s = (char)('A' + i) + "1234567"; |
| LOG.info("s=" + s); |
| final ByteString b = ByteString.copyFrom(s, StandardCharsets.UTF_8); |
| Assert.assertEquals(8, b.size()); |
| for(int j = 0; j < 128; j++) { |
| bytes = bytes.concat(b); |
| } |
| i++; |
| Assert.assertEquals(i*SUBMESSAGE_SIZE.getSizeInt(), bytes.size()); |
| } |
| |
| try(RaftClient client = cluster.createClient()) { |
| final RaftClientReply reply = client.getMessageStreamApi().streamAsync(Message.valueOf(bytes)).get(); |
| Assert.assertTrue(reply.isSuccess()); |
| } |
| |
| |
| // check if all the parts are streamed as a single message. |
| try(RaftClient client = cluster.createClient()) { |
| final RaftClientReply reply = client.io().sendReadOnly(new SimpleMessage(bytes.toString(StandardCharsets.UTF_8))); |
| Assert.assertTrue(reply.isSuccess()); |
| } |
| } |
| } |