Examples with SocketChannel java.nio.channels.SocketChannel used on opensource projects

Example 46 with SocketChannel

use of java.nio.channels.SocketChannel in project CloudStack-archive by CloudStack-extras.

the class NioConnection method closeConnection.

protected void closeConnection(SelectionKey key) {
    if (key != null) {
        SocketChannel channel = (SocketChannel) key.channel();
        key.cancel();
        try {
            if (channel != null) {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("Closing socket " + channel.socket());
                }
                channel.close();
            }
        } catch (IOException ignore) {
        }
    }
}

Example 47 with SocketChannel

use of java.nio.channels.SocketChannel in project CloudStack-archive by CloudStack-extras.

the class NioConnection method logTrace.

protected void logTrace(Exception e, SelectionKey key, int loc) {
    if (s_logger.isTraceEnabled()) {
        Socket socket = null;
        if (key != null) {
            SocketChannel ch = (SocketChannel) key.channel();
            if (ch != null) {
                socket = ch.socket();
            }
        }
        s_logger.trace("Location " + loc + ": Socket " + socket + " closed on read.  Probably -1 returned.");
    }
}

Example 48 with SocketChannel

use of java.nio.channels.SocketChannel in project CloudStack-archive by CloudStack-extras.

the class NioConnection method connect.

protected void connect(SelectionKey key) throws IOException {
    SocketChannel socketChannel = (SocketChannel) key.channel();
    try {
        socketChannel.finishConnect();
        key.interestOps(SelectionKey.OP_READ);
        Socket socket = socketChannel.socket();
        if (!socket.getKeepAlive()) {
            socket.setKeepAlive(true);
        }
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Connected to " + socket);
        }
        Link link = new Link((InetSocketAddress) socket.getRemoteSocketAddress(), this);
        link.setKey(key);
        key.attach(link);
        Task task = _factory.create(Task.Type.CONNECT, link, null);
        _executor.execute(task);
    } catch (IOException e) {
        logTrace(e, key, 2);
        terminate(key);
    }
}

Example 49 with SocketChannel

use of java.nio.channels.SocketChannel in project CloudStack-archive by CloudStack-extras.

the class NioConnection method logDebug.

protected void logDebug(Exception e, SelectionKey key, int loc) {
    if (s_logger.isDebugEnabled()) {
        Socket socket = null;
        if (key != null) {
            SocketChannel ch = (SocketChannel) key.channel();
            if (ch != null) {
                socket = ch.socket();
            }
        }
        s_logger.debug("Location " + loc + ": Socket " + socket + " closed on read.  Probably -1 returned: " + e.getMessage());
    }
}

Example 50 with SocketChannel

use of java.nio.channels.SocketChannel in project jeromq by zeromq.

the class TcpListener method acceptEvent.

@Override
public void acceptEvent() {
    SocketChannel fd = null;
    try {
        fd = accept();
        Utils.tuneTcpSocket(fd);
        Utils.tuneTcpKeepalives(fd, options.tcpKeepAlive, options.tcpKeepAliveCnt, options.tcpKeepAliveIdle, options.tcpKeepAliveIntvl);
    } catch (IOException e) {
        //  If connection was reset by the peer in the meantime, just ignore it.
        //  TODO: Handle specific errors like ENFILE/EMFILE etc.
        socket.eventAcceptFailed(endpoint, ZError.exccode(e));
        return;
    }
    //  Create the engine object for this connection.
    StreamEngine engine = null;
    try {
        engine = new StreamEngine(fd, options, endpoint);
    } catch (ZError.InstantiationException e) {
        socket.eventAcceptFailed(endpoint, ZError.EINVAL);
        return;
    }
    //  Choose I/O thread to run connecter in. Given that we are already
    //  running in an I/O thread, there must be at least one available.
    IOThread ioThread = chooseIoThread(options.affinity);
    //  Create and launch a session object.
    SessionBase session = SessionBase.create(ioThread, false, socket, options, new Address(fd.socket().getRemoteSocketAddress()));
    session.incSeqnum();
    launchChild(session);
    sendAttach(session, engine, false);
    socket.eventAccepted(endpoint, fd);
}