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SocketUtils Class — netty Architecture

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

Class java

Entity Profile

Dependency Diagram

graph TD
  be85935f_8b01_e8ee_e605_a1107ff9f20b["SocketUtils"]
  c885357c_1c37_6824_932c_7438089cbba5["SocketUtils.java"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|defined in| c885357c_1c37_6824_932c_7438089cbba5
  01365944_0781_258f_9b83_4bc1320f7df4["SocketUtils()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 01365944_0781_258f_9b83_4bc1320f7df4
  98b08588_cbd3_49ce_3bf4_695aa1541bff["empty()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 98b08588_cbd3_49ce_3bf4_695aa1541bff
  0fe2f92c_9f55_7188_021c_c9e1c492cb7a["connect()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 0fe2f92c_9f55_7188_021c_c9e1c492cb7a
  3010be84_cc50_c372_296c_1daccb3b0e16["bind()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 3010be84_cc50_c372_296c_1daccb3b0e16
  e777642f_56c7_1a5d_abdf_3c8278933ef2["SocketChannel()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| e777642f_56c7_1a5d_abdf_3c8278933ef2
  63b7ae04_e253_3967_63ab_9ceb10ffdbd6["SocketAddress()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 63b7ae04_e253_3967_63ab_9ceb10ffdbd6
  1243e019_a86a_e1a9_f8c1_8ee8df87bded["InetAddress()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 1243e019_a86a_e1a9_f8c1_8ee8df87bded
  78e6daa9_4ac1_c532_0360_7bf9500aff8c["allAddressesByName()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 78e6daa9_4ac1_c532_0360_7bf9500aff8c
  d95ef88b_63a7_85a6_b79c_f26f06981332["InetSocketAddress()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| d95ef88b_63a7_85a6_b79c_f26f06981332
  6610bda8_3d4a_2dca_7d80_e7a45d0ba855["addressesFromNetworkInterface()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 6610bda8_3d4a_2dca_7d80_e7a45d0ba855
  6fc24333_7795_7aeb_f537_f172589f460d["hardwareAddressFromNetworkInterface()"]
  be85935f_8b01_e8ee_e605_a1107ff9f20b -->|method| 6fc24333_7795_7aeb_f537_f172589f460d

Relationship Graph

Source Code

common/src/main/java/io/netty/util/internal/SocketUtils.java lines 44–222

public final class SocketUtils {

    private static final Enumeration<Object> EMPTY = Collections.enumeration(Collections.emptyList());

    private SocketUtils() {
    }

    @SuppressWarnings("unchecked")
    private static <T> Enumeration<T> empty() {
        return (Enumeration<T>) EMPTY;
    }

    public static void connect(final Socket socket, final SocketAddress remoteAddress, final int timeout)
            throws IOException {
        try {
            AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
                @Override
                public Void run() throws IOException {
                    socket.connect(remoteAddress, timeout);
                    return null;
                }
            });
        } catch (PrivilegedActionException e) {
            throw (IOException) e.getCause();
        }
    }

    public static void bind(final Socket socket, final SocketAddress bindpoint) throws IOException {
        try {
            AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
                @Override
                public Void run() throws IOException {
                    socket.bind(bindpoint);
                    return null;
                }
            });
        } catch (PrivilegedActionException e) {
            throw (IOException) e.getCause();
        }
    }

    public static boolean connect(final SocketChannel socketChannel, final SocketAddress remoteAddress)
            throws IOException {
        try {
            return AccessController.doPrivileged(new PrivilegedExceptionAction<Boolean>() {
                @Override
                public Boolean run() throws IOException {
                    return socketChannel.connect(remoteAddress);
                }
            });
        } catch (PrivilegedActionException e) {
            throw (IOException) e.getCause();
        }
    }

    public static void bind(final SocketChannel socketChannel, final SocketAddress address) throws IOException {
        try {
            AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() {
                @Override
                public Void run() throws IOException {
                    socketChannel.bind(address);
                    return null;
                }
            });
        } catch (PrivilegedActionException e) {
            throw (IOException) e.getCause();
        }
    }

    public static SocketChannel accept(final ServerSocketChannel serverSocketChannel) throws IOException {
        try {
            return AccessController.doPrivileged(new PrivilegedExceptionAction<SocketChannel>() {
                @Override
                public SocketChannel run() throws IOException {
                    return serverSocketChannel.accept();
                }
            });
        } catch (PrivilegedActionException e) {
            throw (IOException) e.getCause();
        }
    }

Defined In

Source

Frequently Asked Questions

What is the SocketUtils class?
SocketUtils is a class in the netty codebase, defined in common/src/main/java/io/netty/util/internal/SocketUtils.java.
Where is SocketUtils defined?
SocketUtils is defined in common/src/main/java/io/netty/util/internal/SocketUtils.java at line 44.

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