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

Example 41 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 42 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 43 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 44 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);
}

Example 45 with SocketChannel

use of java.nio.channels.SocketChannel in project http-kit by http-kit.

the class HttpClient method doWrite.

private void doWrite(SelectionKey key) {
    Request req = (Request) key.attachment();
    SocketChannel ch = (SocketChannel) key.channel();
    try {
        if (req instanceof HttpsRequest) {
            HttpsRequest httpsReq = (HttpsRequest) req;
            if (httpsReq.handshaken) {
                // will flip to OP_READ
                httpsReq.writeWrappedRequest();
            } else {
                buffer.clear();
                if (httpsReq.doHandshake(buffer) < 0) {
                    // will be a No status exception
                    req.finish();
                }
            }
        } else {
            ByteBuffer[] buffers = req.request;
            ch.write(buffers);
            if (!buffers[buffers.length - 1].hasRemaining()) {
                key.interestOps(OP_READ);
            }
        }
    } catch (IOException e) {
        if (!cleanAndRetryIfBroken(key, req)) {
            req.finish(e);
        }
    } catch (Exception e) {
        // rarely happen
        req.finish(e);
    }
}