Java Code Examples for java.nio.channels.SocketChannel#setOption()

The following examples show how to use java.nio.channels.SocketChannel#setOption() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: SocketChannelStream.java From baratine with GNU General Public License v2.0

6 votes

/**
 * Initialize the SocketStream with a new Socket.
 *
 * @param s the new socket.
 */
public void init(SocketChannel s)
{
  _s = s;

  try {
    s.setOption(StandardSocketOptions.TCP_NODELAY, true);
  } catch (Exception e) {
    e.printStackTrace();;
  }
  //_is = null;
  //_os = null;
  _needsFlush = false;
  
  _readBuffer.clear().flip();
  _writeBuffer.clear();
}

Example 2

Source File: TcpCrusherSocketOptions.java From netcrusher-java with Apache License 2.0

6 votes

void setupSocketChannel(SocketChannel socketChannel) throws IOException {
    socketChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, keepAlive);
    socketChannel.setOption(StandardSocketOptions.TCP_NODELAY, tcpNoDelay);

    if (rcvBufferSize > 0) {
        socketChannel.setOption(StandardSocketOptions.SO_RCVBUF, rcvBufferSize);
    }

    if (sndBufferSize > 0) {
        socketChannel.setOption(StandardSocketOptions.SO_SNDBUF, sndBufferSize);
    }

    if (lingerMs >= 0) {
        socketChannel.setOption(StandardSocketOptions.SO_LINGER, lingerMs);
    }
}

Example 3

Source File: NetSystem.java From feeyo-redisproxy with BSD 3-Clause "New" or "Revised" License

6 votes

public void setSocketParams(ClosableConnection con, boolean isFrontChannel) throws IOException {
	int sorcvbuf = 0;
    int sosndbuf = 0;
    int soNoDelay = 0;
    
	if (isFrontChannel) {
		sorcvbuf = this.netConfig.getFrontsocketsorcvbuf();
		sosndbuf = this.netConfig.getFrontsocketsosndbuf();
		soNoDelay = this.netConfig.getFrontSocketNoDelay();
	} else {
		sorcvbuf = this.netConfig.getBacksocketsorcvbuf();
		sosndbuf = this.netConfig.getBacksocketsosndbuf();
		soNoDelay = this.netConfig.getBackSocketNoDelay();
	}
	
	SocketChannel socketChannel = con.getSocketChannel();
	socketChannel.setOption(StandardSocketOptions.SO_RCVBUF, sorcvbuf);
	socketChannel.setOption(StandardSocketOptions.SO_SNDBUF, sosndbuf);
	socketChannel.setOption(StandardSocketOptions.TCP_NODELAY, soNoDelay == 1);
    socketChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
    socketChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
}

Example 4

Source File: SimpleSocketServer.java From antsdb with GNU Lesser General Public License v3.0

6 votes

@Override
public void run() {
    try {
        for (;;) {
            SocketChannel channel = this.serverChannel.accept();
            channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
            Orca orca = this.fish.getOrca();
            if (orca == null) {
                channel.close();
                continue;
            }
            if (orca.isClosed()) {
                channel.close();
                continue;
            }
            this.pool.execute(new SimpleSocketWorker(this.fish, channel));
        }
    }
    catch (AsynchronousCloseException ignored) {}
    catch (Exception x) {
        _log.warn("", x);
    }
}

Example 5

Source File: FIXAcceptor.java From parity with Apache License 2.0

6 votes

Session accept() {
    try {
        SocketChannel fix = serverChannel.accept();
        if (fix == null)
            return null;

        try {
            fix.setOption(StandardSocketOptions.TCP_NODELAY, true);
            fix.configureBlocking(false);

            return new Session(orderEntry, fix, config, instruments);
        } catch (IOException e1) {
            fix.close();

            return null;
        }
    } catch (IOException e2) {
        return null;
    }
}

Example 6

Source File: SocketChannelTest.java From j2objc with Apache License 2.0

6 votes

public void test_setOption() throws Exception {
    SocketChannel sc = SocketChannel.open();
    sc.setOption(StandardSocketOptions.SO_LINGER, 1000);

    // Assert that we can read back the option from the channel...
    assertEquals(1000, (int) sc.<Integer>getOption(StandardSocketOptions.SO_LINGER));
    // ... and its socket adaptor.
    assertEquals(1000, sc.socket().getSoLinger());

    sc.close();
    try {
        sc.setOption(StandardSocketOptions.SO_LINGER, 2000);
        fail();
    } catch (ClosedChannelException expected) {
    }
}

Example 7

Source File: SocketSettings.java From datakernel with Apache License 2.0

6 votes

public void applySettings(@NotNull SocketChannel channel) throws IOException {
	if (sendBufferSize != 0) {
		channel.setOption(SO_SNDBUF, sendBufferSize);
	}
	if (receiveBufferSize != 0) {
		channel.setOption(SO_RCVBUF, receiveBufferSize);
	}
	if (keepAlive != DEF_BOOL) {
		channel.setOption(SO_KEEPALIVE, keepAlive != FALSE);
	}
	if (reuseAddress != DEF_BOOL) {
		channel.setOption(SO_REUSEADDR, reuseAddress != FALSE);
	}
	if (tcpNoDelay != DEF_BOOL) {
		channel.setOption(TCP_NODELAY, tcpNoDelay != FALSE);
	}
}

Example 8

Source File: OrderEntryFactory.java From parity with Apache License 2.0

5 votes

SoupBinTCPClient create(POEClientListener listener,
        SoupBinTCPClientStatusListener statusListener) throws IOException {
    SocketChannel channel = SocketChannel.open();

    channel.connect(address);

    channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
    channel.configureBlocking(false);

    return new SoupBinTCPClient(channel, POE.MAX_OUTBOUND_MESSAGE_LENGTH,
            new POEClientParser(listener), statusListener);
}

Example 9

Source File: Server.java From nassau with Apache License 2.0

5 votes

public Session accept() throws IOException {
    SocketChannel channel = serverChannel.accept();
    channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
    channel.configureBlocking(false);

    return new Session(channel);
}

Example 10

Source File: TestClient.java From nassau with Apache License 2.0

5 votes

private static TestClient connect(SocketAddress address) throws IOException {
    SocketChannel channel = SocketChannel.open();

    channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
    channel.connect(address);
    channel.configureBlocking(false);

    return new TestClient(channel);
}

Example 11

Source File: DownstreamServer.java From nassau with Apache License 2.0

5 votes

public Session accept() throws IOException {
    SocketChannel downstream = serverChannel.accept();
    if (downstream == null)
        return null;

    downstream.setOption(StandardSocketOptions.TCP_NODELAY, true);
    downstream.configureBlocking(false);

    return new Session(upstream, downstream);
}

Example 12

Source File: EchoServerOld.java From netty.book.kor with MIT License

5 votes

private void accept(SelectionKey key) throws IOException {
    ServerSocketChannel serverSocketChannel = (ServerSocketChannel) key.channel();

    SocketChannel socketChannel = serverSocketChannel.accept();
    socketChannel.configureBlocking(false);
    socketChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
    socketChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
    socketChannel.register(selector, SelectionKey.OP_READ);

    System.out.println("Client is connected");
}

Example 13

Source File: PingPongWithMains.java From Chronicle-Network with Apache License 2.0

5 votes

private void testClient() throws IOException {

        SocketChannel sc = TCPRegistry.createSocketChannel(serverHostPort);
        sc.setOption(StandardSocketOptions.SO_REUSEADDR, true);
        sc.configureBlocking(false);

        //       testThroughput(sc);
        testLatency(serverHostPort, WireType.BINARY, sc);

        TcpChannelHub.closeAllHubs();
        TCPRegistry.reset();
    }

Example 14

Source File: Initiator.java From philadelphia with Apache License 2.0

5 votes

static Initiator open(SocketAddress address) throws IOException {
    SocketChannel channel = SocketChannel.open();

    channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
    channel.connect(address);
    channel.configureBlocking(false);

    return new Initiator(channel);
}

Example 15

Source File: Acceptor.java From philadelphia with Apache License 2.0

5 votes

Session accept() throws IOException {
    SocketChannel channel = serverChannel.accept();

    channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
    channel.configureBlocking(false);

    return new Session(channel);
}

Example 16

Source File: DefaultTcpChannelSupplier.java From artio with Apache License 2.0

5 votes

private void configure(final SocketChannel channel) throws IOException
{
    channel.setOption(TCP_NODELAY, true);
    if (configuration.receiverSocketBufferSize() > 0)
    {
        channel.setOption(SO_RCVBUF, configuration.receiverSocketBufferSize());
    }
    if (configuration.senderSocketBufferSize() > 0)
    {
        channel.setOption(SO_SNDBUF, configuration.senderSocketBufferSize());
    }
}

Example 17

Source File: AbstractBenchmarkClient.java From artio with Apache License 2.0

5 votes

protected SocketChannel open() throws IOException
{
    final SocketChannel socketChannel = SocketChannel.open(new InetSocketAddress(HOST, PORT));
    socketChannel.configureBlocking(false);
    socketChannel.setOption(TCP_NODELAY, true);
    socketChannel.setOption(SO_RCVBUF, 1024 * 1024);
    socketChannel.setOption(SO_RCVBUF, 1024 * 1024);
    return socketChannel;
}

Example 18

Source File: OrderEntry.java From parity-extras with Apache License 2.0

5 votes

public static OrderEntry open(InetSocketAddress address) throws IOException {
    SocketChannel channel = SocketChannel.open();

    channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
    channel.connect(address);
    channel.configureBlocking(false);

    MessageListener listener = new POEClientParser(new Listener());

    SoupBinTCPClient transport = new SoupBinTCPClient(channel, POE.MAX_OUTBOUND_MESSAGE_LENGTH,
            listener, new StatusListener());

    return new OrderEntry(transport);
}

Example 19

Source File: ConnectionFactory.java From Mycat-NIO with Apache License 2.0

5 votes

@SuppressWarnings("unchecked")
public Connection make(SocketChannel channel) throws IOException {
	channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
	// 子类完成具体连接创建工作
	Connection c = makeConnection(channel);
	// 设置连接的参数
	NetSystem.getInstance().setSocketParams(c,true);
	// 设置NIOHandler
	c.setHandler(getNIOHandler());
	return c;
}

Example 20

Source File: NetworkHandler.java From RipplePower with Apache License 2.0

4 votes

/**
 * Processes an OP_ACCEPT selection event
 *
 * We will accept the connection if we haven't reached the maximum number of
 * connections. The new socket channel will be placed in non-blocking mode
 * and the selection key enabled for read events. We will not add the peer
 * address to the peer address list since we only want nodes that have
 * advertised their availability on the list.
 */
private void processAccept(SelectionKey acceptKey) {
	try {
		SocketChannel channel = listenChannel.accept();
		if (channel != null) {
			InetSocketAddress remoteAddress = (InetSocketAddress) channel.getRemoteAddress();
			PeerAddress address = new PeerAddress(remoteAddress);
			if (connections.size() >= maxConnections) {
				channel.close();
				BTCLoader.info(String.format("Max connections reached: Connection rejected from %s", address));
			} else if (isBlacklisted(address.getAddress())) {
				channel.close();
				BTCLoader.info(String.format("Connection rejected from banned address %s", address));
			} else if (connectionMap.get(address.getAddress()) != null) {
				channel.close();
				BTCLoader.info(String.format("Duplicate connection rejected from %s", address));
			} else {
				address.setTimeConnected(System.currentTimeMillis() / 1000);
				channel.configureBlocking(false);
				channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
				SelectionKey key = channel.register(networkSelector, SelectionKey.OP_READ | SelectionKey.OP_WRITE);
				Peer peer = new Peer(address, channel, key);
				key.attach(peer);
				peer.setConnected(true);
				address.setConnected(true);
				BTCLoader.info(String.format("Connection accepted from %s", address));
				Message msg = VersionMessage.buildVersionMessage(peer, BTCLoader.listenAddress,
						BTCLoader.blockStore.getChainHeight());
				synchronized (connections) {
					connections.add(peer);
					connectionMap.put(address.getAddress(), peer);
					peer.getOutputList().add(msg);
				}
				BTCLoader.info(String.format("Sent 'version' message to %s", address));
			}
		}
	} catch (IOException exc) {
		BTCLoader.error("Unable to accept connection", exc);
		networkShutdown = true;
	}
}