Java Code Examples for java.net.Socket#getSoTimeout()

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 *
 * <p>A stream may be discarded to encourage response caching (a response
 * cannot be cached unless it is consumed completely) or to enable connection
 * reuse.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 *
 * <p>A stream may be discarded to encourage response caching (a response
 * cannot be cached unless it is consumed completely) or to enable connection
 * reuse.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 *
 * <p>A stream may be discarded to encourage response caching (a response
 * cannot be cached unless it is consumed completely) or to enable connection
 * reuse.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 *
 * <p>A stream may be discarded to encourage response caching (a response
 * cannot be cached unless it is consumed completely) or to enable connection
 * reuse.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

/**  */
@Override protected void writeToSocket(Socket sock,
    OutputStream out,
    TcpDiscoveryAbstractMessage msg,
    long timeout) throws IOException, IgniteCheckedException {
    if (writeToSocketDelay > 0) {
        try {
            U.dumpStack(log, "Before sleep [msg=" + msg + ']');

            Thread.sleep(writeToSocketDelay);
        }
        catch (InterruptedException e) {
            // Nothing to do.
        }
    }

    if (sock.getSoTimeout() >= writeToSocketDelay)
        super.writeToSocket(sock, out, msg, timeout);
    else
        throw new SocketTimeoutException("Write to socket delay timeout exception.");
}
 

/**  */
@Override protected void writeToSocket(
    Socket sock,
    TcpDiscoveryAbstractMessage msg,
    long timeout
) throws IOException, IgniteCheckedException {
    if (writeToSocketDelay > 0) {
        try {
            U.dumpStack(log, "Before sleep [msg=" + msg + ']');

            Thread.sleep(writeToSocketDelay);
        }
        catch (InterruptedException e) {
            // Nothing to do.
        }
    }

    if (sock.getSoTimeout() >= writeToSocketDelay)
        super.writeToSocket(sock, msg, timeout);
    else
        throw new SocketTimeoutException("Write to socket delay timeout exception.");
}
 

/**  */
@Override protected void writeToSocket(
    TcpDiscoveryAbstractMessage msg,
    Socket sock,
    int res,
    long timeout
) throws IOException {
    if (writeToSocketDelay > 0) {
        try {
            U.dumpStack(log, "Before sleep [msg=" + msg + ']');

            Thread.sleep(writeToSocketDelay);
        }
        catch (InterruptedException e) {
            // Nothing to do.
        }
    }

    if (sock.getSoTimeout() >= writeToSocketDelay)
        super.writeToSocket(msg, sock, res, timeout);
    else
        throw new SocketTimeoutException("Write to socket delay timeout exception.");
}
 

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 *
 * <p>A stream may be discarded to encourage response caching (a response
 * cannot be cached unless it is consumed completely) or to enable connection
 * reuse.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 *
 * <p>A stream may be discarded to encourage response caching (a response
 * cannot be cached unless it is consumed completely) or to enable connection
 * reuse.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

/**
 * Discards the response body so that the connection can be reused. This
 * needs to be done judiciously, since it delays the current request in
 * order to speed up a potential future request that may never occur.
 *
 * <p>A stream may be discarded to encourage response caching (a response
 * cannot be cached unless it is consumed completely) or to enable connection
 * reuse.
 */
private static boolean discardStream(HttpEngine httpEngine, InputStream responseBodyIn) {
  Connection connection = httpEngine.connection;
  if (connection == null) return false;
  Socket socket = connection.getSocket();
  if (socket == null) return false;
  try {
    int socketTimeout = socket.getSoTimeout();
    socket.setSoTimeout(DISCARD_STREAM_TIMEOUT_MILLIS);
    try {
      Util.skipAll(responseBodyIn);
      return true;
    } finally {
      socket.setSoTimeout(socketTimeout);
    }
  } catch (IOException e) {
    return false;
  }
}
 

@Override
public int getSocketTimeout() {
    final Socket socket = this.socketHolder.get();
    if (socket != null) {
        try {
            return socket.getSoTimeout();
        } catch (final SocketException ignore) {
            return -1;
        }
    } else {
        return -1;
    }
}
 

private int fillInputBuffer(final int timeout) throws IOException {
    final Socket socket = this.socketHolder.get();
    final int oldtimeout = socket.getSoTimeout();
    try {
        socket.setSoTimeout(timeout);
        return this.inbuffer.fillBuffer();
    } finally {
        socket.setSoTimeout(oldtimeout);
    }
}
 

/**
 * Reads bytes from the socket.
 *
 * @param buf byte buffer receiving the bytes
 * @param offset offset into the buffer
 * @param length number of bytes to read
 * @return number of bytes read or -1
 * @exception throws ClientDisconnectException if the connection is dropped
 */
@Override
public int readTimeout(byte []buf, int offset, int length, long timeout)
  throws IOException
{
  Socket s = _s;
    
  if (s == null) {
    return -1;
  }
  
  int oldTimeout = s.getSoTimeout();
  s.setSoTimeout((int) timeout);
  
  try {
    int result = read(buf, offset, length);
    
    if (result >= 0) {
      return result;
    }
    else if (_is == null || _is.available() < 0) {
      return -1;
    }
    else {
      return ReadStream.READ_TIMEOUT;
    }
  } finally {
    s.setSoTimeout(oldTimeout);
  }
}
 

public Socket connectSocket(
        final int connectTimeout,
        final Socket socket,
        final HttpHost host,
        final InetSocketAddress remoteAddress,
        final InetSocketAddress localAddress,
        final HttpContext context) throws IOException {
    Args.notNull(host, "HTTP host");
    Args.notNull(remoteAddress, "Remote address");
    final Socket sock = socket != null ? socket : createSocket(context);
    if (localAddress != null) {
        sock.bind(localAddress);
    }
    try {
        if (connectTimeout > 0 && sock.getSoTimeout() == 0) {
            sock.setSoTimeout(connectTimeout);
        }
        sock.connect(remoteAddress, connectTimeout);
    } catch (final IOException ex) {
        try {
            sock.close();
        } catch (final IOException ignore) {
        }
        throw ex;
    }
    // Setup SSL layering if necessary
    if (sock instanceof SSLSocket) {
        final SSLSocket sslsock = (SSLSocket) sock;
        sslsock.startHandshake();
        verifyHostname(sslsock, host.getHostName());
        return sock;
    } else {
        return createLayeredSocket(sock, host.getHostName(), remoteAddress.getPort(), context);
    }
}
 

private static Version readClientVersion(ServerConnection connection)
    throws IOException, VersionException {
  
  Socket socket = connection.getSocket();
  int timeout = connection.getHandShakeTimeout();

  int soTimeout = -1;
  try {
    soTimeout = socket.getSoTimeout();
    socket.setSoTimeout(timeout);
    InputStream is = socket.getInputStream();
    short clientVersionOrdinal = Version.readOrdinalFromInputStream(is);
    if (clientVersionOrdinal == -1) {
      throw new EOFException(
        LocalizedStrings.ServerHandShakeProcessor_HANDSHAKEREADER_EOF_REACHED_BEFORE_CLIENT_VERSION_COULD_BE_READ.toLocalizedString()); 
    }
    Version clientVersion = null;      
    try{
      clientVersion = Version.fromOrdinal(clientVersionOrdinal, true);
    }
    catch (UnsupportedGFXDVersionException uve) {
      // Allows higher version of wan site to connect to server
      if(connection.getCommunicationMode() == Acceptor.GATEWAY_TO_GATEWAY 
          && ! (clientVersionOrdinal == Version.NOT_SUPPORTED_ORDINAL)) {
        return Acceptor.VERSION;
      } else {
        SocketAddress sa = socket.getRemoteSocketAddress();
        String sInfo = "";
        if (sa != null) {
          sInfo = " Client: " + sa.toString() + ".";
        }
        throw new UnsupportedVersionException(uve.getMessage() + sInfo);
      }
    }
  
    if (!clientVersion.compatibleWith(Acceptor.VERSION)) {
      throw new IncompatibleVersionException(clientVersion, Acceptor.VERSION);//we can throw this to restrict
    }                                                 // Backward Compatibilty Support to limited no of versions          
    return clientVersion;                             
  } finally {
    if (soTimeout != -1) {
      try {        
        socket.setSoTimeout(soTimeout);
      }
      catch (IOException ignore) {
      }
    }
  }
}
 

private static Version readClientVersion(ServerConnection connection)
    throws IOException, VersionException {
  
  Socket socket = connection.getSocket();
  int timeout = connection.getHandShakeTimeout();

  int soTimeout = -1;
  try {
    soTimeout = socket.getSoTimeout();
    socket.setSoTimeout(timeout);
    InputStream is = socket.getInputStream();
    short clientVersionOrdinal = Version.readOrdinalFromInputStream(is);
    if (clientVersionOrdinal == -1) {
      throw new EOFException(
        LocalizedStrings.ServerHandShakeProcessor_HANDSHAKEREADER_EOF_REACHED_BEFORE_CLIENT_VERSION_COULD_BE_READ.toLocalizedString()); 
    }
    Version clientVersion = null;      
    try{
      clientVersion = Version.fromOrdinal(clientVersionOrdinal, true);
    }
    catch (UnsupportedGFXDVersionException uve) {
      // Allows higher version of wan site to connect to server
      if(connection.getCommunicationMode() == Acceptor.GATEWAY_TO_GATEWAY 
          && ! (clientVersionOrdinal == Version.NOT_SUPPORTED_ORDINAL)) {
        return Acceptor.VERSION;
      } else {
        SocketAddress sa = socket.getRemoteSocketAddress();
        String sInfo = "";
        if (sa != null) {
          sInfo = " Client: " + sa.toString() + ".";
        }
        throw new UnsupportedVersionException(uve.getMessage() + sInfo);
      }
    }
  
    if (!clientVersion.compatibleWith(Acceptor.VERSION)) {
      throw new IncompatibleVersionException(clientVersion, Acceptor.VERSION);//we can throw this to restrict
    }                                                 // Backward Compatibilty Support to limited no of versions          
    return clientVersion;                             
  } finally {
    if (soTimeout != -1) {
      try {        
        socket.setSoTimeout(soTimeout);
      }
      catch (IOException ignore) {
      }
    }
  }
}
 

/**
 * Same as SocketInputStream(socket.getChannel(), socket.getSoTimeout())
 * :<br><br>
 * 
 * Create a new input stream with the given timeout. If the timeout
 * is zero, it will be treated as infinite timeout. The socket's
 * channel will be configured to be non-blocking.
 * @see SocketInputStream#SocketInputStream(ReadableByteChannel, long)
 *  
 * @param socket should have a channel associated with it.
 * @throws IOException
 */
public SocketInputStream(Socket socket) throws IOException {
  this(socket.getChannel(), socket.getSoTimeout());
}
 

/**
 * Same as SocketInputStream(socket.getChannel(), socket.getSoTimeout())
 * :<br>
 * <br>
 * Create a new input stream with the given timeout. If the timeout
 * is zero, it will be treated as infinite timeout. The socket's
 * channel will be configured to be non-blocking.
 * 
 * @see SocketInputStream#SocketInputStream(ReadableByteChannel, long)
 * @param socket
 *        should have a channel associated with it.
 * @throws IOException
 */
public SocketInputStream(Socket socket)
										throws IOException {
	this(socket.getChannel(), socket.getSoTimeout());
}