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KQueueSocketTest Class — netty Architecture

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

Class java

Entity Profile

Dependency Diagram

graph TD
  3fa0790c_dc52_31cb_2dde_3ff6bcbc47d1["KQueueSocketTest"]
  2f15befa_10e7_f44e_e6b2_0688efbee971["KQueueSocketTest.java"]
  3fa0790c_dc52_31cb_2dde_3ff6bcbc47d1 -->|defined in| 2f15befa_10e7_f44e_e6b2_0688efbee971
  34b6e3ce_9770_dd00_4ae8_914b3edba6b5["loadJNI()"]
  3fa0790c_dc52_31cb_2dde_3ff6bcbc47d1 -->|method| 34b6e3ce_9770_dd00_4ae8_914b3edba6b5
  75da2036_9e44_a2af_dd8d_ef9970b210ed["testPeerCreds()"]
  3fa0790c_dc52_31cb_2dde_3ff6bcbc47d1 -->|method| 75da2036_9e44_a2af_dd8d_ef9970b210ed
  5b5661d5_af64_72a2_303b_b1a1e89cece5["testPeerPID()"]
  3fa0790c_dc52_31cb_2dde_3ff6bcbc47d1 -->|method| 5b5661d5_af64_72a2_303b_b1a1e89cece5
  84649cee_faad_125c_616a_f8b7d816a7e5["BsdSocket()"]
  3fa0790c_dc52_31cb_2dde_3ff6bcbc47d1 -->|method| 84649cee_faad_125c_616a_f8b7d816a7e5
  c7bc9ec0_89a2_e550_39cb_34d6826ea18c["level()"]
  3fa0790c_dc52_31cb_2dde_3ff6bcbc47d1 -->|method| c7bc9ec0_89a2_e550_39cb_34d6826ea18c
  28d81abc_715f_f06c_7256_20d52735f6a9["optname()"]
  3fa0790c_dc52_31cb_2dde_3ff6bcbc47d1 -->|method| 28d81abc_715f_f06c_7256_20d52735f6a9

Relationship Graph

Source Code

transport-native-kqueue/src/test/java/io/netty/channel/kqueue/KQueueSocketTest.java lines 31–103

public class KQueueSocketTest extends SocketTest<BsdSocket> {
    @BeforeAll
    public static void loadJNI() {
        KQueue.ensureAvailability();
    }

    @Test
    public void testPeerCreds() throws IOException {
        BsdSocket s1 = BsdSocket.newSocketDomain();
        BsdSocket s2 = BsdSocket.newSocketDomain();

        try {
            DomainSocketAddress dsa = UnixTestUtils.newDomainSocketAddress();
            s1.bind(dsa);
            s1.listen(1);

            assertTrue(s2.connect(dsa));
            byte [] addr = new byte[64];
            s1.accept(addr);
            PeerCredentials pc = s1.getPeerCredentials();
            assertNotEquals(pc.uid(), -1);
        } finally {
            s1.close();
            s2.close();
        }
    }

    @Test
    public void testPeerPID() throws IOException {
        BsdSocket s1 = BsdSocket.newSocketDomain();
        BsdSocket s2 = BsdSocket.newSocketDomain();

        try {
            DomainSocketAddress dsa = UnixTestUtils.newDomainSocketAddress();
            s1.bind(dsa);
            s1.listen(1);

            // PID of client socket is expected to be 0 before connection
            assertEquals(0, s2.getPeerCredentials().pid());
            assertTrue(s2.connect(dsa));
            byte [] addr = new byte[64];
            int clientFd = s1.accept(addr);
            assertNotEquals(-1, clientFd);
            PeerCredentials pc = new BsdSocket(clientFd).getPeerCredentials();
            assertNotEquals(0, pc.pid());
            assertNotEquals(0, s2.getPeerCredentials().pid());
            // Server socket FDs should not have pid field set:
            assertEquals(0, s1.getPeerCredentials().pid());
        } finally {
            s1.close();
            s2.close();
        }
    }

    @Override
    protected BsdSocket newSocket() {
        return BsdSocket.newSocketStream();
    }

    @Override
    protected int level() {
        // Value for SOL_SOCKET
        // See https://opensource.apple.com/source/xnu/xnu-201/bsd/sys/socket.h.auto.html
        return 0xffff;
    }

    @Override
    protected int optname() {
        // Value for SO_REUSEADDR
        // See https://opensource.apple.com/source/xnu/xnu-201/bsd/sys/socket.h.auto.html
        return 0x0004;
    }
}

Defined In

Source

Frequently Asked Questions

What is the KQueueSocketTest class?
KQueueSocketTest is a class in the netty codebase, defined in transport-native-kqueue/src/test/java/io/netty/channel/kqueue/KQueueSocketTest.java.
Where is KQueueSocketTest defined?
KQueueSocketTest is defined in transport-native-kqueue/src/test/java/io/netty/channel/kqueue/KQueueSocketTest.java at line 31.

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