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/*
* Copyright (c) 2018 Cisco and/or its affiliates.
*
* 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 io.fd.hc2vpp.it.jvpp.benchmark;
import static io.fd.hc2vpp.it.jvpp.benchmark.AclUpdateBenchmark.InterfaceMode.L2;
import static io.fd.hc2vpp.it.jvpp.benchmark.AclUpdateBenchmark.InterfaceMode.L3;
import com.google.common.io.CharStreams;
import io.fd.vpp.jvpp.JVppRegistryImpl;
import io.fd.vpp.jvpp.acl.JVppAclImpl;
import io.fd.vpp.jvpp.acl.dto.AclInterfaceSetAclList;
import io.fd.vpp.jvpp.acl.future.FutureJVppAclFacade;
import io.fd.vpp.jvpp.core.JVppCoreImpl;
import io.fd.vpp.jvpp.core.dto.BridgeDomainAddDel;
import io.fd.vpp.jvpp.core.dto.CreateLoopback;
import io.fd.vpp.jvpp.core.dto.CreateLoopbackReply;
import io.fd.vpp.jvpp.core.dto.SwInterfaceAddDelAddress;
import io.fd.vpp.jvpp.core.dto.SwInterfaceSetFlags;
import io.fd.vpp.jvpp.core.dto.SwInterfaceSetL2Bridge;
import io.fd.vpp.jvpp.core.future.FutureJVppCoreFacade;
import io.fd.vpp.jvpp.dto.JVppReply;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.annotations.Threads;
import org.openjdk.jmh.annotations.Timeout;
import org.openjdk.jmh.annotations.Warmup;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@BenchmarkMode(Mode.AverageTime)
@State(Scope.Thread)
@Fork(1)
@Threads(1)
@Timeout(time = 5)
@Warmup(iterations = 20, time = 2)
@Measurement(iterations = 100, time = 2)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public class AclUpdateBenchmark {
private static final Logger LOG = LoggerFactory.getLogger(AclUpdateBenchmark.class);
@Param( {"100"})
private int aclSize;
@Param( {"100"})
private int aclSetSize;
@Param( {"L3"})
private InterfaceMode mode;
private AclProvider aclProvider;
private JVppRegistryImpl registry;
private FutureJVppAclFacade jvppAcl;
private FutureJVppCoreFacade jvppCore;
@Benchmark
public void testMethod() throws Exception {
jvppAcl.aclAddReplace(aclProvider.next()).toCompletableFuture().get();
}
@Setup(Level.Iteration)
public void setup() throws Exception {
initAclProvider();
startVpp();
connect();
initAcl();
}
@TearDown(Level.Iteration)
public void tearDown() throws Exception {
disconnect();
stopVpp();
}
private void initAclProvider() {
aclProvider = new AclProviderImpl(aclSetSize, aclSize);
}
private void startVpp() throws Exception {
LOG.info("Starting VPP ...");
final String[] cmd = {"/bin/sh", "-c", "sudo service vpp start"};
exec(cmd);
LOG.info("VPP started successfully");
}
private void stopVpp() throws Exception {
LOG.info("Stopping VPP ...");
final String[] cmd = {"/bin/sh", "-c", "sudo service vpp stop"};
exec(cmd);
// Wait to be sure VPP was stopped.
// Prevents VPP start failure: "vpp.service: Start request repeated too quickly".
Thread.sleep(1500);
LOG.info("VPP stopped successfully");
}
private static void exec(String[] command) throws IOException, InterruptedException {
Process process = Runtime.getRuntime().exec(command);
process.waitFor();
if (process.exitValue() != 0) {
String error_msg = "Failed to execute " + Arrays.toString(command) + ": " +
CharStreams.toString(new InputStreamReader(process.getErrorStream(), StandardCharsets.UTF_8));
throw new IllegalStateException(error_msg);
}
}
private void connect() throws IOException {
LOG.info("Connecting to JVPP ...");
registry = new JVppRegistryImpl("ACLUpdateBenchmark");
jvppCore = new FutureJVppCoreFacade(registry, new JVppCoreImpl());
jvppAcl = new FutureJVppAclFacade(registry, new JVppAclImpl());
LOG.info("Successfully connected to JVPP");
}
private void disconnect() throws Exception {
LOG.info("Disconnecting ...");
jvppAcl.close();
jvppCore.close();
registry.close();
LOG.info("Successfully disconnected ...");
}
/**
* Initializes loopback interface, creates ACL and assigns it to loop0.
*/
private void initAcl()
throws ExecutionException, InterruptedException {
// Create loopback interface
final CreateLoopbackReply loop0 = invoke(jvppCore.createLoopback(new CreateLoopback()));
// Enable loop0
final SwInterfaceSetFlags flags = new SwInterfaceSetFlags();
flags.adminUpDown = 1;
flags.swIfIndex = loop0.swIfIndex;
invoke(jvppCore.swInterfaceSetFlags(flags));
if (L3.equals(mode)) {
// Assign IP to loop0
final SwInterfaceAddDelAddress address = new SwInterfaceAddDelAddress();
address.address = new byte[]{1,0,0,0};
address.addressLength = 8;
address.isAdd = 1;
address.swIfIndex = loop0.swIfIndex;
invoke(jvppCore.swInterfaceAddDelAddress(address));
} else if (L2.equals(mode)) {
// Create bridge domain 1
final BridgeDomainAddDel bd = new BridgeDomainAddDel();
bd.bdId = 1;
bd.isAdd = 1;
invoke(jvppCore.bridgeDomainAddDel(bd));
// Assign loop0 to BD1:
final SwInterfaceSetL2Bridge loop0Bridge = new SwInterfaceSetL2Bridge();
loop0Bridge.bdId = bd.bdId;
loop0Bridge.rxSwIfIndex = loop0.swIfIndex;
loop0Bridge.enable = 1; // set L2 mode
invoke(jvppCore.swInterfaceSetL2Bridge(loop0Bridge));
}
// Create ACL
final int aclId = invoke(jvppAcl.aclAddReplace(aclProvider.next())).aclIndex;
// Assign the ACL to loop0 interface
final AclInterfaceSetAclList aclList = new AclInterfaceSetAclList();
aclList.swIfIndex = loop0.swIfIndex;
aclList.count = 1;
aclList.nInput = 1;
aclList.acls = new int[] {aclId};
invoke(jvppAcl.aclInterfaceSetAclList(aclList));
// Use ACL index in subsequent executions of aclProvider.next() method
aclProvider.setAclIndex(aclId);
}
public enum InterfaceMode {
L2, L3
}
private static <R extends JVppReply<?>> R invoke(final CompletionStage<R> completionStage)
throws ExecutionException, InterruptedException {
return completionStage.toCompletableFuture().get();
}
}
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