Java Code Examples for java.net.Socket

The following examples show how to use java.net.Socket. These examples are extracted from open source projects. 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 want to check out the right sidebar which shows the related API usage.
Example 1
Source Project: app_process-shell-use   Source File: SocketClient.java    License: MIT License 6 votes vote down vote up
public SocketClient(String commod, onServiceSend onServiceSend) {
    cmd = commod;
    mOnServiceSend = onServiceSend;
    try {
        Log.d(TAG, "与service进行socket通讯,地址=" + HOST + ":" + port);
        /** 创建Socket*/
        // 创建一个流套接字并将其连接到指定 IP 地址的指定端口号(本处是本机)
        Socket socket = new Socket();
        socket.connect(new InetSocketAddress(HOST, port), 3000);//设置连接请求超时时间3 s
        // 接收3s超时
        socket.setSoTimeout(3000);
        Log.d(TAG, "与service进行socket通讯,超时为:" + 3000);
        /** 发送客户端准备传输的信息 */
        // 由Socket对象得到输出流,并构造PrintWriter对象
        printWriter = new PrintWriter(socket.getOutputStream(), true);
        /** 用于获取服务端传输来的信息 */
        // 由Socket对象得到输入流,并构造相应的BufferedReader对象
        bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        new CreateServerThread(socket);
        send(cmd);
    } catch (Exception e) {
        e.printStackTrace();
        Log.d(TAG, "与service进行socket通讯发生错误" + e);
        mOnServiceSend.getSend("###ShellRunError:" + e.toString());
    }
}
 
Example 2
Source Project: java-debug   Source File: JavaDebugServer.java    License: Eclipse Public License 1.0 6 votes vote down vote up
private Runnable createConnectionTask(Socket connection) {
    return new Runnable() {
        @Override
        public void run() {
            try {
                ProtocolServer protocolServer = new ProtocolServer(connection.getInputStream(), connection.getOutputStream(),
                        JdtProviderContextFactory.createProviderContext());
                // protocol server will dispatch request and send response in a while-loop.
                protocolServer.run();
            } catch (IOException e) {
                logger.log(Level.SEVERE, String.format("Socket connection exception: %s", e.toString()), e);
            } finally {
                logger.info("Debug connection closed");
            }
        }
    };
}
 
Example 3
Source Project: RDFS   Source File: TestBlockReplacement.java    License: Apache License 2.0 6 votes vote down vote up
private boolean replaceBlock( Block block, DatanodeInfo source,
    DatanodeInfo sourceProxy, DatanodeInfo destination, int namespaceId) throws IOException {
  Socket sock = new Socket();
  sock.connect(NetUtils.createSocketAddr(
      destination.getName()), HdfsConstants.READ_TIMEOUT);
  sock.setKeepAlive(true);
  // sendRequest
  DataOutputStream out = new DataOutputStream(sock.getOutputStream());
  out.writeShort(DataTransferProtocol.DATA_TRANSFER_VERSION);
  out.writeByte(DataTransferProtocol.OP_REPLACE_BLOCK);
  out.writeInt(namespaceId);
  out.writeLong(block.getBlockId());
  out.writeLong(block.getGenerationStamp());
  Text.writeString(out, source.getStorageID());
  sourceProxy.write(out);
  out.flush();
  // receiveResponse
  DataInputStream reply = new DataInputStream(sock.getInputStream());

  short status = reply.readShort();
  if(status == DataTransferProtocol.OP_STATUS_SUCCESS) {
    return true;
  }
  return false;
}
 
Example 4
Source Project: Lamp   Source File: TcpClient.java    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
@Override
public void run() {
    try {
        Socket socket = new Socket(hostIP, port);
        transceiver = new SocketTransceiver(socket) {

            @Override
            public void onReceive(InetAddress addr, String s) {
                TcpClient.this.onReceive(this, s);
            }

            @Override
            public void onDisconnect(InetAddress addr) {
                connect = false;
                TcpClient.this.onDisconnect(this);
            }
        };
        transceiver.start();
        connect = true;
        this.onConnect(transceiver);
    } catch (Exception e) {
        e.printStackTrace();
        this.onConnectFailed();
    }
}
 
Example 5
Source Project: big-c   Source File: DFSOutputStream.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Create a socket for a write pipeline
 * @param first the first datanode 
 * @param length the pipeline length
 * @param client client
 * @return the socket connected to the first datanode
 */
static Socket createSocketForPipeline(final DatanodeInfo first,
    final int length, final DFSClient client) throws IOException {
  final String dnAddr = first.getXferAddr(
      client.getConf().connectToDnViaHostname);
  if (DFSClient.LOG.isDebugEnabled()) {
    DFSClient.LOG.debug("Connecting to datanode " + dnAddr);
  }
  final InetSocketAddress isa = NetUtils.createSocketAddr(dnAddr);
  final Socket sock = client.socketFactory.createSocket();
  final int timeout = client.getDatanodeReadTimeout(length);
  NetUtils.connect(sock, isa, client.getRandomLocalInterfaceAddr(), client.getConf().socketTimeout);
  sock.setSoTimeout(timeout);
  sock.setSendBufferSize(HdfsConstants.DEFAULT_DATA_SOCKET_SIZE);
  if(DFSClient.LOG.isDebugEnabled()) {
    DFSClient.LOG.debug("Send buf size " + sock.getSendBufferSize());
  }
  return sock;
}
 
Example 6
Source Project: logging-log4j2   Source File: TcpSocketManager.java    License: Apache License 2.0 6 votes vote down vote up
@Override
protected synchronized boolean closeOutputStream() {
    final boolean closed = super.closeOutputStream();
    if (reconnector != null) {
        reconnector.shutdown();
        reconnector.interrupt();
        reconnector = null;
    }
    final Socket oldSocket = socket;
    socket = null;
    if (oldSocket != null) {
        try {
            oldSocket.close();
        } catch (final IOException e) {
            LOGGER.error("Could not close socket {}", socket);
            return false;
        }
    }
    return closed;
}
 
Example 7
Source Project: gameserver   Source File: MockingUtils.java    License: Apache License 2.0 6 votes vote down vote up
static SocketFactory mockSocketFactory(OutputStream out, InputStream in) {
    try {
        Socket socket = mock(Socket.class);
        when(socket.getOutputStream()).thenReturn(out);
        when(socket.getInputStream()).thenReturn(in);

        SocketFactory factory = mock(SocketFactory.class);
        when(factory.createSocket()).thenReturn(socket);
        when(factory.createSocket(anyString(), anyInt())).thenReturn(socket);

        return factory;
    } catch (Exception e) {
        e.printStackTrace();
        throw new AssertionError("Cannot be here!");
    }
}
 
Example 8
Source Project: jblink   Source File: Client.java    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
/**
   Creates a client that will connect to the specified address.
   It will map messages as defined by the specified object model.

   @param addr an server address on the form 'host:port'
   @param om an object model
   @throws BlinkException if there is a schema or binding problem
   @throws IOException if there is a socket problem
 */

public Client (String addr, ObjectModel om)
   throws BlinkException, IOException
{
   String [] parts = addr.split (":");
   if (parts.length != 2)
      throw new IllegalArgumentException (
         "Address must be on the form 'host:port'");
   this.sock = new Socket (parts [0], Integer.parseInt (parts [1]));
   this.om = om;
   this.oreg = new DefaultObsRegistry (om);
   this.os = sock.getOutputStream ();
   this.wr = new CompactWriter (om, os);
   this.udpsock = null;
   this.bs = null;
}
 
Example 9
Source Project: jdk8u-jdk   Source File: ShutdownInput.java    License: GNU General Public License v2.0 6 votes vote down vote up
public static void test(Socket s1, Socket s2, String mesg) throws Exception {
    OutputStream os = s1.getOutputStream();
    os.write("This is a message".getBytes("US-ASCII"));

    InputStream in = s2.getInputStream();
    s2.shutdownInput();

    if (in.available() != 0) {
        failed = true;
        System.out.println(mesg + ":" + s2 + " in.available() should be 0, " +
                           "but returns "+ in.available());
    }

    byte[] ba = new byte[2];
    if (in.read() != -1 ||
        in.read(ba) != -1 ||
        in.read(ba, 0, ba.length) != -1) {

        failed = true;
        System.out.append(mesg + ":" + s2 + " in.read() should be -1");
    }
}
 
Example 10
Source Project: p4ic4idea   Source File: RpcSocketInputStream.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Construct a suitable stream for the passed-in socket. No assumptions
 * are made about the passed-in socket except that a) it's not null, and
 * b) it's been initialized and set up for reading (or at least the successful
 * retrieval of a suitable input stream) by the caller.
 * 
 * @param socket non-null socket
 */
public RpcSocketInputStream(Socket socket, ServerStats stats) {
	super();
	if (socket == null) {
		throw new NullPointerError(
				"null RPC socket passed to RpcSocketInputStream constructor");
	}
	this.socket = socket;
	this.stats = stats;
	try {
		this.socketStream = socket.getInputStream();
	} catch (IOException ioexc) {
		Log.error("Unexpected I/O exception thrown during input stream retrieval"
				+ " in RpcSocketInputStream constructor: " + ioexc.getLocalizedMessage());
		Log.exception(ioexc);
		throw new P4JavaError(
				"Unexpected I/O exception thrown during input stream retrieval"
				+ " in RpcSocketInputStream constructor: " + ioexc.getLocalizedMessage());
	}
}
 
Example 11
/**
 * Creates a new instance.
 */
public DefaultSocketChannelConfig(SocketChannel channel, Socket javaSocket) {
    super(channel);
    if (javaSocket == null) {
        throw new NullPointerException("javaSocket");
    }
    this.javaSocket = javaSocket;

    // Enable TCP_NODELAY by default if possible.
    if (PlatformDependent.canEnableTcpNoDelayByDefault()) {
        try {
            setTcpNoDelay(true);
        } catch (Exception e) {
            // Ignore.
        }
    }
}
 
Example 12
Source Project: openjdk-8-source   Source File: SSLSecurity.java    License: GNU General Public License v2.0 6 votes vote down vote up
public String chooseClientAlias(String[] keyTypes, Principal[] issuers,
        Socket socket) {
    String retval;

    if (keyTypes == null) {
        return null;
    }

    /*
     * Scan the list, look for something we can pass back.
     */
    for (int i = 0; i < keyTypes.length; i++) {
        if ((retval = theX509KeyManager.chooseClientAlias(keyTypes[i],
                issuers)) != null)
            return retval;
    }
    return null;

}
 
Example 13
Source Project: jdk8u60   Source File: HttpProxy.java    License: GNU General Public License v2.0 5 votes vote down vote up
private void send200(Socket clientSocket) throws IOException {
    OutputStream out = clientSocket.getOutputStream();
    PrintWriter pout = new PrintWriter(out);

    pout.println("HTTP/1.1 200 OK");
    pout.println();
    pout.flush();
}
 
Example 14
Source Project: gameserver   Source File: ApnsConnectionImpl.java    License: Apache License 2.0 5 votes vote down vote up
public synchronized void sendMessage(ApnsNotification m) throws NetworkIOException {
    int attempts = 0;
    while (true) {
        try {
            attempts++;
            Socket socket = socket();
            socket.getOutputStream().write(m.marshall());
            socket.getOutputStream().flush();
            delegate.messageSent(m);

            logger.debug("Message \"{}\" sent", m);

            attempts = 0;
            break;
        } catch (Exception e) {
            if (attempts >= RETRIES) {
                logger.error("Couldn't send message " + m, e);
                delegate.messageSendFailed(m, e);
                Utilities.wrapAndThrowAsRuntimeException(e);
            }
            logger.warn("Failed to send message " + m + "... trying again", e);
            // The first failure might be due to closed connection
            // don't delay quite yet
            if (attempts != 1)
                Utilities.sleep(DELAY_IN_MS);
            Utilities.close(socket);
            socket = null;
        }
    }
}
 
Example 15
Source Project: BiglyBT   Source File: SETrustingManager.java    License: GNU General Public License v2.0 5 votes vote down vote up
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType,
                               Socket socket) throws CertificateException {
    if (delegate != null) {
        delegate.checkClientTrusted(chain, authType);
    }
}
 
Example 16
Source Project: jdk8u60   Source File: HttpProxy.java    License: GNU General Public License v2.0 5 votes vote down vote up
void simpleDataExchange(Socket s1, Socket s2) throws Exception {
    try (final InputStream i1 = s1.getInputStream();
         final InputStream i2 = s2.getInputStream();
         final OutputStream o1 = s1.getOutputStream();
         final OutputStream o2 = s2.getOutputStream()) {
        startSimpleWriter("simpleWriter1", o1, 100);
        startSimpleWriter("simpleWriter2", o2, 200);
        simpleRead(i2, 100);
        simpleRead(i1, 200);
    }
}
 
Example 17
Source Project: stagedisplayviewer   Source File: LowerKeyHandler.java    License: MIT License 5 votes vote down vote up
@Override
public void run() {
    while (running) {
        try (Socket socket = new Socket(HOST.toString(), PORT.toInt())) {
            try (
                    PrintWriter out = new PrintWriter(socket.getOutputStream(), true);
                    BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8"))
            ) {
                activeConnection = true;
                log.info("Connection to propresenter established at " + HOST.toString() + ":" + PORT.toString());
                out.println(getLoginString());

                String loginResponse = in.readLine();
                if (SUCCESSFUL_LOGIN.equals(loginResponse) || SUCCESSFUL_LOGIN_WINDOWS.equals(loginResponse)) {
                    log.info("Login succeeded");
                } else {
                    log.error("Login failed with incorrect password: " + PASSWORD.toString() + ", with response: " + loginResponse);
                    running = false;
                }
                while (running && activeConnection && socket.isConnected()) {
                    activeConnection = update(in);
                    sleep(RESPONSE_TIME_MILLIS.toInt());
                }
                log.info("Connection lost");
            }
        } catch (IOException e) {
            log.error("Connection to propresenter failed at " + HOST.toString() + ":" + PORT.toString(), e);
        }
        sleep(500);
    }

    log.info("Closing program");
    Platform.exit();
}
 
Example 18
private void closeSocketOutput(Socket socket) {
    try {
        if (!socket.isOutputShutdown()) {
            socket.shutdownOutput();
        }
    } catch (IOException e) {
        VenvyLog.w("Failed to close socket on proxy side: {}. It seems client have already closed connection.", e.getMessage());
    }
}
 
Example 19
Source Project: canal   Source File: BioSocketChannelPool.java    License: Apache License 2.0 5 votes vote down vote up
public static BioSocketChannel open(SocketAddress address) throws Exception {
    Socket socket = new Socket();
    socket.setSoTimeout(BioSocketChannel.SO_TIMEOUT);
    socket.setTcpNoDelay(true);
    socket.setKeepAlive(true);
    socket.setReuseAddress(true);
    socket.connect(address, BioSocketChannel.DEFAULT_CONNECT_TIMEOUT);
    return new BioSocketChannel(socket);
}
 
Example 20
Source Project: openjdk-8-source   Source File: Application.java    License: GNU General Public License v2.0 5 votes vote down vote up
public static void main(String args[]) throws Exception {
    // bind to a random port
    if (args.length < 1) {
        System.err.println("First argument should be path to output file.");
    }
    String outFileName = args[0];

    ServerSocket ss = new ServerSocket(0);
    int port = ss.getLocalPort();
    int pid = ProcessTools.getProcessId();

    System.out.println("shutdownPort=" + port);
    System.out.println("pid=" + pid);
    System.out.flush();

    try (PrintWriter writer = new PrintWriter(outFileName)) {
        writer.println("shutdownPort=" + port);
        writer.println("pid=" + pid);
        writer.println("done");
        writer.flush();
    }

    // wait for test harness to connect
    Socket s = ss.accept();
    s.close();
    ss.close();
}
 
Example 21
/**
 * Starts a HTTP server to given port.<p>
 * Throws an IOException if the socket is already in use
 */

//private HTTPSession session;
public CloudStreamServer(int port, File wwwroot ) throws IOException
{
    myTcpPort = port;
    this.myRootDir = wwwroot;
    myServerSocket = new ServerSocket( myTcpPort );
    myThread = new Thread( new Runnable()
    {
        public void run()
        {
            try
            {
                while( true ){
                    //                                                      if(session!=null){
                    //                                                              session.interrupt();
                    //                                                              try {
                    //                                                                      session.join();
                    //                                                              } catch (InterruptedException e) {
                    //                                                                      e.printStackTrace();
                    //                                                              }
                    //                                                      }
                    Socket accept = myServerSocket.accept();
                    new HTTPSession(accept);
                }
            }
            catch ( IOException ioe )
            {}
        }
    });
    myThread.setDaemon( true );
    myThread.start();
}
 
Example 22
@Override
public String chooseClientAlias(String[] keyType, Principal[] issuers,
        Socket socket) {
    String nap = ((SSLSocket) socket).getHandshakeApplicationProtocol();
    checkALPN(nap);

    return akm.chooseClientAlias(keyType, issuers, socket);
}
 
Example 23
Source Project: gemfirexd-oss   Source File: sockserver.java    License: Apache License 2.0 5 votes vote down vote up
public void prefill(final int numberOfSocketSets) throws Exception {
  final Object[] socketSets = new Object[numberOfSocketSets];

  logForInfo("pre-filling socket pool with " + numberOfSocketSets + " connections per server");

  for (int index = 0; index < numberOfSocketSets; index++) {
    socketSets[index] = getFromPool(true);
  }

  for (int index = 0; index < numberOfSocketSets; index++) {
    returnToPool((Socket[]) socketSets[index]);
  }
}
 
Example 24
Source Project: FoxTelem   Source File: ServerProcess.java    License: GNU General Public License v3.0 5 votes vote down vote up
public ServerProcess(String u, String p, String db, Socket socket, int seq) {
	sequence = seq;
	this.socket = socket;
	this.u = u;
	this.p = p;
	this.db = db;
}
 
Example 25
static List<SNIServerName> getRequestedServerNames(Socket socket) {
    if (socket != null && socket.isConnected() &&
                                    socket instanceof SSLSocket) {

        return getRequestedServerNames(
                ((SSLSocket)socket).getHandshakeSession());
    }

    return Collections.<SNIServerName>emptyList();
}
 
Example 26
Source Project: rxjava-extras   Source File: ObservableServerSocketTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testAcceptSocketRejectsAlways()
        throws UnknownHostException, IOException, InterruptedException {
    reset();
    TestSubscriber<Object> ts = TestSubscriber.create();
    try {
        int bufferSize = 4;
        AtomicInteger port = new AtomicInteger();
        IO.serverSocketAutoAllocatePort(Actions.setAtomic(port)) //
                .readTimeoutMs(10000) //
                .acceptTimeoutMs(200) //
                .bufferSize(bufferSize) //
                .acceptSocketIf(Functions.alwaysFalse()) //
                .create() //
                .subscribeOn(scheduler) //
                .subscribe(ts);
        Thread.sleep(300);
        Socket socket = new Socket("localhost", port.get());
        OutputStream out = socket.getOutputStream();
        out.write("12345678901234567890".getBytes());
        out.close();
        socket.close();
        Thread.sleep(1000);
        ts.assertNoValues();
    } finally {
        // will close server socket
        ts.unsubscribe();
    }
}
 
Example 27
/**
 * send quit command to server and close socket
 *
 * @param sock the Socket object
 */
public static void closeSocket(Socket sock) throws IOException {
    byte[] header;
    header = packHeader(FDFS_PROTO_CMD_QUIT, 0, (byte) 0);
    sock.getOutputStream().write(header);
    sock.close();
}
 
Example 28
@Override
public Socket createSocket(InetAddress ia, int i, InetAddress localAddress, int localPort) throws IOException {
    Socket socket = new Socket(proxy);
    socket.bind(new InetSocketAddress(localAddress, localPort));
    socket.connect(new InetSocketAddress(ia, i));
    return socket;
}
 
Example 29
Source Project: big-c   Source File: StandardSocketFactory.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public Socket createSocket(String host, int port) throws IOException,
    UnknownHostException {

  Socket socket = createSocket();
  socket.connect(new InetSocketAddress(host, port));
  return socket;
}
 
Example 30
Source Project: testcontainers-java   Source File: FixedHostPortContainerTest.java    License: MIT License 5 votes vote down vote up
/**
 * Simple socket content reader from given container:port
 *
 * @param container to query
 * @param port      to send request to
 * @return socket reader content
 * @throws IOException if any
 */
private String readResponse(GenericContainer container, Integer port) throws IOException {
    try (
        final BufferedReader reader = Unreliables.retryUntilSuccess(10, TimeUnit.SECONDS,
            () -> {
                Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
                final Socket socket = new Socket(container.getHost(), port);
                return new BufferedReader(new InputStreamReader(socket.getInputStream()));
            }
        )
    ) {
        return reader.readLine();
    }
}