Examples of java.net.InetSocketAddress

java.net.InetSocketAddress
This class implements an IP Socket Address (IP address + port number) It can also be a pair (hostname + port number), in which case an attempt will be made to resolve the hostname. If resolution fails then the address is said to be unresolved but can still be used on some circumstances like connecting through a proxy.
It provides an immutable object used by sockets for binding, connecting, or as returned values.
The wildcard is a special local IP address. It usually means "any" and can only be used for bind operations. @see java.net.Socket @see java.net.ServerSocket @since 1.4

    String varVal = null;


    // client ip
    if (varName.equals(CLIENT_IP)) {
      if (session.getRemoteAddress() instanceof InetSocketAddress) {
        InetSocketAddress remoteSocketAddress = (InetSocketAddress) session.getRemoteAddress();
        varVal = remoteSocketAddress.getAddress().getHostAddress();
      }


    }


    // client connection time

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    String varVal = null;


    SocketAddress localSocketAddress = session.getLocalAddress();


    if (localSocketAddress instanceof InetSocketAddress) {
      InetSocketAddress localInetSocketAddress = (InetSocketAddress) localSocketAddress;
      // server address
      if (varName.equals(SERVER_IP)) {


        InetAddress addr = localInetSocketAddress.getAddress();


        if (addr != null) {
          varVal = addr.getHostAddress();
        }
      }


      // server port
      else if (varName.equals(SERVER_PORT)) {
        varVal = String.valueOf(localInetSocketAddress.getPort());
      }
    }


    return varVal;
  }

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                                    "EPRT.invalid", null));
            return;
        }


        session.getDataConnection().initActiveDataConnection(
                new InetSocketAddress(dataAddr, dataPort));
        session.write(LocalizedFtpReply.translate(session, request, context,
                FtpReply.REPLY_200_COMMAND_OKAY, "EPRT", null));
    }

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            session.write(LocalizedFtpReply.translate(session, request, context,
                FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS, "PORT.disabled", null));
            return;
        }


        InetSocketAddress address;
        try {
            address = SocketAddressEncoder.decode(request.getArgument());
            
            // port must not be 0
            if(address.getPort() == 0) {
              throw new IllegalPortException("PORT port must not be 0");
            }
        } catch (IllegalInetAddressException e) {
            session.write(LocalizedFtpReply.translate(session, request, context,
                FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS, "PORT", null));
            return;
        } catch (IllegalPortException e) {
            LOG.debug("Invalid data port: " + request.getArgument(), e);
            session
                    .write(LocalizedFtpReply
                            .translate(
                                    session,
                                    request,
                                    context,
                                    FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS,
                                    "PORT.invalid", null));
            return;
        } catch (UnknownHostException e) {
            LOG.debug("Unknown host", e);
            session
                    .write(LocalizedFtpReply
                            .translate(
                                    session,
                                    request,
                                    context,
                                    FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS,
                                    "PORT.host", null));
            return;
        }


        // check IP
        if (dataCfg.isActiveIpCheck()) {
            if (session.getRemoteAddress() instanceof InetSocketAddress) {
                InetAddress clientAddr = ((InetSocketAddress) session
                        .getRemoteAddress()).getAddress();
                if (!address.getAddress().equals(clientAddr)) {
                    session.write(LocalizedFtpReply.translate(session, request,
                            context, FtpReply.REPLY_501_SYNTAX_ERROR_IN_PARAMETERS_OR_ARGUMENTS, "PORT.mismatch", null));
                    return;
                }
            }

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    private SocketUtils() {}


    public static Socket openSocket(InetAddress addr, int port, int connectTimeout, long pollDelay, int maxRetry)
            throws IOException {
        SocketAddress sockAddr = new InetSocketAddress(addr, port);
        return openSocket(sockAddr, connectTimeout, pollDelay, maxRetry);
    }

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        return openSocket(sockAddr, connectTimeout, pollDelay, maxRetry);
    }


    public static Socket openSocket(String host, int port, int connectTimeout, long pollDelay, int maxRetry)
            throws IOException {
        SocketAddress sockAddr = new InetSocketAddress(host, port);
        return openSocket(sockAddr, connectTimeout, pollDelay, maxRetry);
    }

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  private SocketServerConnectionFactory sscf;
  private InetSocketAddress addr;
  private MemoryStorageManager storageManager;


  @Before public void setUp() {
    addr = new InetSocketAddress(0);
  }

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    ClientServiceRegistryImpl server;
    private ResultsReceiver<Object> listener;


    public FakeClientServerInstance(ClientServiceRegistryImpl server) throws UnknownHostException {
      super(new HostInfo("foo", new InetSocketAddress(InetAddress.getLocalHost(), 1)), 1000);
      this.server = server;
    }

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    SSLConfiguration config = new SSLConfiguration();
    Properties p = new Properties();
    SocketServerConnection conn = helpEstablishConnection(false, config, p);
    assertTrue(conn.isOpen(1000));
    //restart the second instance now that we know the connection was made to the first
    listener1 = createListener(new InetSocketAddress(addr.getAddress(), listener1.getPort()), config);
    listener.stop();
    conn.isOpen(1000); //there is a chance this call can fail
    assertTrue(conn.isOpen(1000));
    listener1.stop();
    //both instances are down
    assertFalse(conn.isOpen(1000));
    //bring the first back up
    listener = createListener(new InetSocketAddress(addr.getAddress(), listener.getPort()), config);
    assertTrue(conn.isOpen(1000));
    assertEquals(3, logonAttempts);
    conn.close();
  }

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    assertEquals(expectedPayload.length()+"", response.getFirstHeader("Content-Length").getValue());
  }


  @Test
  public void sendGarbageTest() throws IOException {
    InetSocketAddress socketAddress = new InetSocketAddress(PORT);
    SocketChannel channel = SocketChannel.open(socketAddress);
    channel.write(
        ByteBuffer.wrap(
            new byte[] {1, 1, 1, 1}  // garbage
        )

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