Example usage for java.net SocketAddress getClass

Introduction

In this page you can find the example usage for java.net SocketAddress getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:com.buaa.cfs.utils.NetUtils.java

/**
 * Like {@link NetUtils#connect(Socket, SocketAddress, int)} but also takes a local address and port to bind the
 * socket to.// w  w  w  .  j  a  va2s. c  o m
 *
 * @param socket
 * @param endpoint  the remote address
 * @param localAddr the local address to bind the socket to
 * @param timeout   timeout in milliseconds
 */
public static void connect(Socket socket, SocketAddress endpoint, SocketAddress localAddr, int timeout)
        throws IOException {
    if (socket == null || endpoint == null || timeout < 0) {
        throw new IllegalArgumentException("Illegal argument for connect()");
    }

    SocketChannel ch = socket.getChannel();

    if (localAddr != null) {
        Class localClass = localAddr.getClass();
        Class remoteClass = endpoint.getClass();
        Preconditions.checkArgument(localClass.equals(remoteClass),
                "Local address %s must be of same family as remote address %s.", localAddr, endpoint);
        socket.bind(localAddr);
    }

    try {
        if (ch == null) {
            // let the default implementation handle it.
            socket.connect(endpoint, timeout);
        } else {
            //        SocketIOWithTimeout.connect(ch, endpoint, timeout);
        }
    } catch (SocketTimeoutException ste) {
        //      throw new ConnectTimeoutException(ste.getMessage());
    }

    // There is a very rare case allowed by the TCP specification, such that
    // if we are trying to connect to an endpoint on the local machine,
    // and we end up choosing an ephemeral port equal to the destination port,
    // we will actually end up getting connected to ourself (ie any data we
    // send just comes right back). This is only possible if the target
    // daemon is down, so we'll treat it like connection refused.
    if (socket.getLocalPort() == socket.getPort() && socket.getLocalAddress().equals(socket.getInetAddress())) {
        LOG.info("Detected a loopback TCP socket, disconnecting it");
        socket.close();
        throw new ConnectException("Localhost targeted connection resulted in a loopback. "
                + "No daemon is listening on the target port.");
    }
}

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From source file:org.apache.sshd.common.util.net.SshdSocketAddress.java

public static SshdSocketAddress toSshdSocketAddress(SocketAddress addr) {
    if (addr == null) {
        return null;
    } else if (addr instanceof SshdSocketAddress) {
        return (SshdSocketAddress) addr;
    } else if (addr instanceof InetSocketAddress) {
        InetSocketAddress isockAddress = (InetSocketAddress) addr;
        return new SshdSocketAddress(isockAddress.getHostName(), isockAddress.getPort());
    } else {/* w ww.j  a v  a  2  s. c  om*/
        throw new UnsupportedOperationException("Cannot convert " + addr.getClass().getSimpleName() + "=" + addr
                + " to " + SshdSocketAddress.class.getSimpleName());
    }
}

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