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PrivilegedSocketOperationsBenchmark Class — netty Architecture

Architecture documentation for the PrivilegedSocketOperationsBenchmark class in PrivilegedSocketOperationsBenchmark.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  f3db0f7f_b7c4_a21d_9362_5d141ce5d00d["PrivilegedSocketOperationsBenchmark"]
  28118feb_7948_ce3a_e892_3715590e8432["PrivilegedSocketOperationsBenchmark.java"]
  f3db0f7f_b7c4_a21d_9362_5d141ce5d00d -->|defined in| 28118feb_7948_ce3a_e892_3715590e8432
  7357d5d7_0023_f448_dcea_1e08668a5f82["ServerSocketChannel()"]
  f3db0f7f_b7c4_a21d_9362_5d141ce5d00d -->|method| 7357d5d7_0023_f448_dcea_1e08668a5f82

Relationship Graph

Source Code

microbench/src/main/java/io/netty/microbench/internal/PrivilegedSocketOperationsBenchmark.java lines 40–193

@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
public class PrivilegedSocketOperationsBenchmark extends AbstractMicrobenchmark {

    @State(Scope.Benchmark)
    public static class SecurityManagerInstalled {

        @Setup
        public void setup() throws IOException, NoSuchAlgorithmException, URISyntaxException {
            final URI policyFile = PrivilegedSocketOperationsBenchmark.class.getResource("/jmh-security.policy")
                    .toURI();
            Policy.setPolicy(Policy.getInstance("JavaPolicy", new URIParameter(policyFile)));
            System.setSecurityManager(new SecurityManager());
        }

        @TearDown
        public void tearDown() throws IOException {
            System.setSecurityManager(null);
        }
    }

    @State(Scope.Benchmark)
    public static class SecurityManagerEmpty {

        @Setup
        public void setup() throws IOException, NoSuchAlgorithmException, URISyntaxException {
            System.setSecurityManager(null);
        }
    }

    @Benchmark
    public ServerSocketChannel testWithSMNoPrivileged(final SecurityManagerInstalled sm) throws IOException {
        final ServerSocketChannel ssc = ServerSocketChannel.open();
        ssc.socket().bind(null);
        ssc.configureBlocking(false);
        ssc.accept();
        ssc.close();
        return ssc;
    }

    @Benchmark
    public ServerSocketChannel testWithSM(final SecurityManagerInstalled sm) throws IOException {
        try {
            final ServerSocketChannel ssc = AccessController.doPrivileged(
                    new PrivilegedExceptionAction<ServerSocketChannel>() {
                        @Override
                        public ServerSocketChannel run() throws Exception {
                            final ServerSocketChannel ssc = ServerSocketChannel.open();
                            ssc.socket().bind(null);
                            ssc.configureBlocking(false);
                            ssc.accept();
                            return ssc;
                        }
                    });
            ssc.close();
            return ssc;
        } catch (final PrivilegedActionException e) {
            throw (IOException) e.getCause();
        }
    }

    @Benchmark
    public ServerSocketChannel testWithSMWithNullCheck(final SecurityManagerInstalled sm) throws IOException {
        if (System.getSecurityManager() != null) {
            try {
                final ServerSocketChannel ssc = AccessController.doPrivileged(
                        new PrivilegedExceptionAction<ServerSocketChannel>() {
                            @Override
                            public ServerSocketChannel run() throws Exception {
                                final ServerSocketChannel ssc = ServerSocketChannel.open();
                                ssc.socket().bind(null);
                                ssc.configureBlocking(false);
                                ssc.accept();
                                return ssc;
                            }
                        });
                ssc.close();
                return ssc;
            } catch (final PrivilegedActionException e) {
                throw (IOException) e.getCause();
            }

Defined In

Source

Frequently Asked Questions

What is the PrivilegedSocketOperationsBenchmark class?
PrivilegedSocketOperationsBenchmark is a class in the netty codebase, defined in microbench/src/main/java/io/netty/microbench/internal/PrivilegedSocketOperationsBenchmark.java.
Where is PrivilegedSocketOperationsBenchmark defined?
PrivilegedSocketOperationsBenchmark is defined in microbench/src/main/java/io/netty/microbench/internal/PrivilegedSocketOperationsBenchmark.java at line 40.

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