java.net.SocketException Java Examples
The following examples show how to use
java.net.SocketException.
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Example #1
Source File: NetworkData.java From uuid-creator with MIT License | 8 votes |
/** * Returns a list of {@link NetworkData}. * * This method iterates over all the network interfaces to return those that * are up and running. * * NOTE: it may be VERY EXPENSIVE on Windows systems, because that OS * creates a lot of virtual network interfaces. * * @return a list of {@link NetworkData} */ public static List<NetworkData> getNetworkDataList() { try { InetAddress inetAddress = InetAddress.getLocalHost(); List<NetworkInterface> networkInterfaces = Collections.list(NetworkInterface.getNetworkInterfaces()); HashSet<NetworkData> networkDataHashSet = new HashSet<>(); for (NetworkInterface networkInterface : networkInterfaces) { NetworkData networkData = buildNetworkData(networkInterface, inetAddress); if (networkData != null) { networkDataHashSet.add(networkData); } } return new ArrayList<>(networkDataHashSet); } catch (SocketException | NullPointerException | UnknownHostException e) { return Collections.emptyList(); } }
Example #2
Source File: TcpCollectorTest.java From monsoon with BSD 3-Clause "New" or "Revised" License | 7 votes |
@Test public void connectFailed_withSocketException() throws Exception { Mockito.doThrow(new SocketException()).when(mockSocket).connect(Mockito.any()); final TcpCollector.ConnectDatum result; try (TcpCollector tcpCollector = new TcpCollector(dstAddress, GROUP)) { result = tcpCollector.tryConnect(mockSocket); } assertThat(result.getResult(), equalTo(TcpCollector.ConnectResult.CONNECT_FAILED)); Mockito.verify(mockSocket, times(1)).connect(Mockito.eq(dstAddress)); Mockito.verifyNoMoreInteractions(mockSocket); }
Example #3
Source File: HttpsClient.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
/** * The following method, createSocket, is defined in NetworkClient * and overridden here so that the socket facroty is used to create * new sockets. */ @Override protected Socket createSocket() throws IOException { try { return sslSocketFactory.createSocket(); } catch (SocketException se) { // // bug 6771432 // javax.net.SocketFactory throws a SocketException with an // UnsupportedOperationException as its cause to indicate that // unconnected sockets have not been implemented. // Throwable t = se.getCause(); if (t != null && t instanceof UnsupportedOperationException) { return super.createSocket(); } else { throw se; } } }
Example #4
Source File: TransactionTransmitter.java From ethsigner with Apache License 2.0 | 6 votes |
private boolean populateNonce() { try { transaction.updateNonce(); return true; } catch (final RuntimeException e) { LOG.warn("Unable to get nonce from web3j provider.", e); final Throwable cause = e.getCause(); if (cause instanceof SocketException || cause instanceof SocketTimeoutException || cause instanceof TimeoutException) { routingContext.fail( GATEWAY_TIMEOUT.code(), new JsonRpcException(CONNECTION_TO_DOWNSTREAM_NODE_TIMED_OUT)); } else if (cause instanceof SSLHandshakeException) { routingContext.fail(BAD_GATEWAY.code(), cause); } else { routingContext.fail(GATEWAY_TIMEOUT.code(), new JsonRpcException(INTERNAL_ERROR)); } } catch (final Throwable thrown) { LOG.debug("Failed to encode/serialize transaction: {}", transaction, thrown); routingContext.fail(BAD_REQUEST.code(), new JsonRpcException(INTERNAL_ERROR)); } return false; }
Example #5
Source File: SocketProperties.java From tomcatsrc with Apache License 2.0 | 6 votes |
public void setProperties(Socket socket) throws SocketException{ if (rxBufSize != null) socket.setReceiveBufferSize(rxBufSize.intValue()); if (txBufSize != null) socket.setSendBufferSize(txBufSize.intValue()); if (ooBInline !=null) socket.setOOBInline(ooBInline.booleanValue()); if (soKeepAlive != null) socket.setKeepAlive(soKeepAlive.booleanValue()); if (performanceConnectionTime != null && performanceLatency != null && performanceBandwidth != null) socket.setPerformancePreferences( performanceConnectionTime.intValue(), performanceLatency.intValue(), performanceBandwidth.intValue()); if (soReuseAddress != null) socket.setReuseAddress(soReuseAddress.booleanValue()); if (soLingerOn != null && soLingerTime != null) socket.setSoLinger(soLingerOn.booleanValue(), soLingerTime.intValue()); if (soTimeout != null && soTimeout.intValue() >= 0) socket.setSoTimeout(soTimeout.intValue()); if (tcpNoDelay != null) socket.setTcpNoDelay(tcpNoDelay.booleanValue()); }
Example #6
Source File: DatagramSocketAdaptor.java From Bytecoder with Apache License 2.0 | 6 votes |
@Override public void receive(DatagramPacket p) throws IOException { // get temporary direct buffer with a capacity of p.bufLength int bufLength = DatagramPackets.getBufLength(p); ByteBuffer bb = Util.getTemporaryDirectBuffer(bufLength); try { long nanos = MILLISECONDS.toNanos(timeout); SocketAddress sender = dc.blockingReceive(bb, nanos); bb.flip(); synchronized (p) { // copy bytes to the DatagramPacket and set length int len = Math.min(bb.limit(), DatagramPackets.getBufLength(p)); bb.get(p.getData(), p.getOffset(), len); DatagramPackets.setLength(p, len); // sender address p.setSocketAddress(sender); } } catch (ClosedChannelException e) { var exc = new SocketException("Socket closed"); exc.initCause(e); throw exc; } finally { Util.offerFirstTemporaryDirectBuffer(bb); } }
Example #7
Source File: HttpsClient.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
/** * The following method, createSocket, is defined in NetworkClient * and overridden here so that the socket facroty is used to create * new sockets. */ @Override protected Socket createSocket() throws IOException { try { return sslSocketFactory.createSocket(); } catch (SocketException se) { // // bug 6771432 // javax.net.SocketFactory throws a SocketException with an // UnsupportedOperationException as its cause to indicate that // unconnected sockets have not been implemented. // Throwable t = se.getCause(); if (t != null && t instanceof UnsupportedOperationException) { return super.createSocket(); } else { throw se; } } }
Example #8
Source File: Util.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
/** * Returns a list of all the addresses on the system. * @param inclLoopback * if {@code true}, include the loopback addresses * @param ipv4Only * it {@code true}, only IPv4 addresses will be included */ static List<InetAddress> getAddresses(boolean inclLoopback, boolean ipv4Only) throws SocketException { ArrayList<InetAddress> list = new ArrayList<InetAddress>(); Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces(); for (NetworkInterface netInf : Collections.list(nets)) { Enumeration<InetAddress> addrs = netInf.getInetAddresses(); for (InetAddress addr : Collections.list(addrs)) { if (!list.contains(addr) && (inclLoopback ? true : !addr.isLoopbackAddress()) && (ipv4Only ? (addr instanceof Inet4Address) : true)) { list.add(addr); } } } return list; }
Example #9
Source File: Local.java From CSipSimple with GNU General Public License v3.0 | 6 votes |
public String getLocalIpAddresses() { ArrayList<String> addresses = new ArrayList<String>(); try { for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en .hasMoreElements();) { NetworkInterface intf = en.nextElement(); for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr .hasMoreElements();) { InetAddress inetAddress = enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress()) { addresses.add(inetAddress.getHostAddress().toString()); } } } } catch (SocketException ex) { Log.e(THIS_FILE, "Impossible to get ip address", ex); } return TextUtils.join("\n", addresses); }
Example #10
Source File: WiFiUtils.java From FimiX8-RE with MIT License | 6 votes |
public static String getPhoneIp(Context application) { WifiManager wifiManager = (WifiManager) application.getSystemService("wifi"); if (wifiManager.isWifiEnabled()) { return intToIp(wifiManager.getConnectionInfo().getIpAddress()); } try { Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); while (en.hasMoreElements()) { Enumeration<InetAddress> enumIpAddr = ((NetworkInterface) en.nextElement()).getInetAddresses(); while (enumIpAddr.hasMoreElements()) { InetAddress inetAddress = (InetAddress) enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress()) { return inetAddress.getHostAddress().toString(); } } } } catch (SocketException e) { e.printStackTrace(); } return null; }
Example #11
Source File: HostNameUtil.java From commons-jcs with Apache License 2.0 | 6 votes |
/** * On systems with multiple network interfaces and mixed IPv6/IPv4 get a valid network * interface for binding to multicast * * @return a network interface suitable for multicast * @throws SocketException if a problem occurs while reading the network interfaces */ public static NetworkInterface getMulticastNetworkInterface() throws SocketException { Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces(); while (networkInterfaces.hasMoreElements()) { NetworkInterface networkInterface = networkInterfaces.nextElement(); Enumeration<InetAddress> addressesFromNetworkInterface = networkInterface.getInetAddresses(); while (addressesFromNetworkInterface.hasMoreElements()) { InetAddress inetAddress = addressesFromNetworkInterface.nextElement(); if (inetAddress.isSiteLocalAddress() && !inetAddress.isAnyLocalAddress() && !inetAddress.isLinkLocalAddress() && !inetAddress.isLoopbackAddress() && !inetAddress.isMulticastAddress()) { return networkInterface; } } } return null; }
Example #12
Source File: SSLSocketImpl.java From openjsse with GNU General Public License v2.0 | 6 votes |
/** * Layer SSL traffic over an existing connection, rather than * creating a new connection. * * The existing connection may be used only for SSL traffic (using this * SSLSocket) until the SSLSocket.close() call returns. However, if a * protocol error is detected, that existing connection is automatically * closed. * <p> * This particular constructor always uses the socket in the * role of an SSL client. It may be useful in cases which start * using SSL after some initial data transfers, for example in some * SSL tunneling applications or as part of some kinds of application * protocols which negotiate use of a SSL based security. */ SSLSocketImpl(SSLContextImpl sslContext, Socket sock, String peerHost, int port, boolean autoClose) throws IOException { super(sock); // We always layer over a connected socket if (!sock.isConnected()) { throw new SocketException("Underlying socket is not connected"); } this.sslContext = sslContext; HandshakeHash handshakeHash = new HandshakeHash(); this.conContext = new TransportContext(sslContext, this, new SSLSocketInputRecord(handshakeHash), new SSLSocketOutputRecord(handshakeHash), true); this.peerHost = peerHost; this.autoClose = autoClose; doneConnect(); }
Example #13
Source File: FolderLoadThread.java From davmail with GNU General Public License v2.0 | 6 votes |
/** * Load folder in a separate thread. * * @param folder current folder * @param outputStream client connection * @throws InterruptedException on error * @throws IOException on error */ public static void loadFolder(ExchangeSession.Folder folder, OutputStream outputStream) throws InterruptedException, IOException { FolderLoadThread folderLoadThread = new FolderLoadThread(currentThread().getName(), folder); folderLoadThread.start(); while (!folderLoadThread.isComplete) { folderLoadThread.join(20000); LOGGER.debug("Still loading " + folder.folderPath + " (" + folder.count() + " messages)"); if (Settings.getBooleanProperty("davmail.enableKeepAlive", false)) { try { outputStream.write(' '); outputStream.flush(); } catch (SocketException e) { folderLoadThread.interrupt(); throw e; } } } if (folderLoadThread.exception != null) { throw folderLoadThread.exception; } }
Example #14
Source File: NetworkHelper.java From orWall with GNU General Public License v3.0 | 6 votes |
public static String getMask(String intf){ try { NetworkInterface ntwrk = NetworkInterface.getByName(intf); Iterator<InterfaceAddress> addrList = ntwrk.getInterfaceAddresses().iterator(); while (addrList.hasNext()) { InterfaceAddress addr = addrList.next(); InetAddress ip = addr.getAddress(); if (ip instanceof Inet4Address) { String mask = ip.getHostAddress() + "/" + addr.getNetworkPrefixLength(); return mask; } } } catch (SocketException e) { e.printStackTrace(); } return null; }
Example #15
Source File: RemoteEndpointTest.java From lsp4j with Eclipse Public License 2.0 | 6 votes |
@Test public void testOutputStreamClosed() throws Exception { LogMessageAccumulator logMessages = new LogMessageAccumulator(); try { logMessages.registerTo(RemoteEndpoint.class); TestEndpoint endp = new TestEndpoint(); MessageConsumer consumer = new MessageConsumer() { @Override public void consume(Message message) throws JsonRpcException { throw new JsonRpcException(new SocketException("Socket closed")); } }; RemoteEndpoint endpoint = new RemoteEndpoint(consumer, endp); endpoint.notify("foo", null); logMessages.await(Level.INFO, "Failed to send notification message."); } finally { logMessages.unregister(); } }
Example #16
Source File: UDP.java From myqq with MIT License | 6 votes |
/** * 获取可用的端口号 */ public void getMyUsefulPort() { while(true) { try { // 实例化一个DatagramSocket socket = new DatagramSocket(myPort); break; } catch (SocketException e) { myPort++; } } }
Example #17
Source File: IPUtil.java From radar with Apache License 2.0 | 6 votes |
private static String getLinuxLocalIP() { String ip = ""; try { Enumeration<NetworkInterface> e1 = (Enumeration<NetworkInterface>) NetworkInterface.getNetworkInterfaces(); while (e1.hasMoreElements()) { NetworkInterface ni = e1.nextElement(); if (netWorkCard.equals(ni.getName()) || NETWORK_CARD.equals(ni.getName()) || NETWORK_CARD_BAND.equals(ni.getName())) { Enumeration<InetAddress> e2 = ni.getInetAddresses(); while (e2.hasMoreElements()) { InetAddress ia = e2.nextElement(); if (ia instanceof Inet6Address) { continue; } ip = ia.getHostAddress(); } break; } else { continue; } } } catch (SocketException e) { e.printStackTrace(); } return ip; }
Example #18
Source File: RipperServiceSocket.java From AndroidRipper with GNU Affero General Public License v3.0 | 6 votes |
/** * Send a DESCRIBE Message. * * Call describe(MAX_RETRY = 5) * * @return * @throws SocketException */ public String describe() throws SocketException { String desc = null; try { desc = describe(3); } catch (RuntimeException rex) { if( desc == null ){ //single retry desc = describe(3); } } return desc; }
Example #19
Source File: AbstractTestBenchTest.java From flow with Apache License 2.0 | 6 votes |
/** * Returns host address that can be targeted from the outside, like from a * test hub. * * @return host address * @throws RuntimeException * if host name could not be determined or * {@link SocketException} was caught during the determination. */ protected String getCurrentHostAddress() { try { Enumeration<NetworkInterface> interfaces = NetworkInterface .getNetworkInterfaces(); while (interfaces.hasMoreElements()) { NetworkInterface nwInterface = interfaces.nextElement(); if (!nwInterface.isUp() || nwInterface.isLoopback() || nwInterface.isVirtual()) { continue; } Optional<String> address = getHostAddress(nwInterface); if (address.isPresent()) { return address.get(); } } } catch (SocketException e) { throw new RuntimeException("Could not find the host name", e); } throw new RuntimeException( "No compatible (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16) ip address found."); }
Example #20
Source File: ResourceSchedulerUtils.java From twister2 with Apache License 2.0 | 6 votes |
/** * get ipv4 address of first matching network interface in the given list * network interface can not be loop back and it has to be up * @param interfaceNames * @return */ public static String getLocalIPFromNetworkInterfaces(List<String> interfaceNames) { try { for (String nwInterfaceName: interfaceNames) { NetworkInterface networkInterface = NetworkInterface.getByName(nwInterfaceName); if (networkInterface != null && !networkInterface.isLoopback() && networkInterface.isUp()) { List<InterfaceAddress> addressList = networkInterface.getInterfaceAddresses(); for (InterfaceAddress adress: addressList) { if (isValidIPv4(adress.getAddress().getHostAddress())) { return adress.getAddress().getHostAddress(); } } } } } catch (SocketException e) { LOG.log(Level.SEVERE, "Error retrieving network interface list", e); } return null; }
Example #21
Source File: SctpChannelImpl.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
@Override public Set<SocketAddress> getRemoteAddresses() throws IOException { synchronized (stateLock) { if (!isOpen()) throw new ClosedChannelException(); if (!isConnected() || isShutdown) return Collections.emptySet(); try { return SctpNet.getRemoteAddresses(fdVal, 0/*unused*/); } catch (SocketException unused) { /* an open connected channel should always have remote addresses */ return remoteAddresses; } } }
Example #22
Source File: NetworkUtil.java From HaoReader with GNU General Public License v3.0 | 6 votes |
/** * Get local Ip address. */ public static InetAddress getLocalIPAddress() { Enumeration<NetworkInterface> enumeration = null; try { enumeration = NetworkInterface.getNetworkInterfaces(); } catch (SocketException e) { e.printStackTrace(); } if (enumeration != null) { while (enumeration.hasMoreElements()) { NetworkInterface nif = enumeration.nextElement(); Enumeration<InetAddress> inetAddresses = nif.getInetAddresses(); if (inetAddresses != null) { while (inetAddresses.hasMoreElements()) { InetAddress inetAddress = inetAddresses.nextElement(); if (!inetAddress.isLoopbackAddress() && isIPv4Address(inetAddress.getHostAddress())) { return inetAddress; } } } } } return null; }
Example #23
Source File: ResourceManager.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
public static void beforeUdpCreate() throws SocketException { if (System.getSecurityManager() != null) { if (numSockets.incrementAndGet() > maxSockets) { numSockets.decrementAndGet(); throw new SocketException("maximum number of DatagramSockets reached"); } } }
Example #24
Source File: GelfTCPSender.java From xian with Apache License 2.0 | 5 votes |
protected void write(ByteBuffer buffer) throws IOException { while (buffer.hasRemaining()) { int written = channel().write(buffer); if (written < 0 || !isConnected()) { // indicator the socket was closed Closer.close(channel()); throw new SocketException("Cannot write buffer to channel"); } } }
Example #25
Source File: HostAvailabilityListener.java From java-client-api with Apache License 2.0 | 5 votes |
/** * Manages refreshing the forests and hosts and retrying events after a host * becomes unavailable. * @param moveMgr the DataMovementManager (used to call readForestConfig to reset after black-listing an unavailable host) */ public HostAvailabilityListener(DataMovementManager moveMgr) { if (moveMgr == null) throw new IllegalArgumentException("moveMgr must not be null"); this.moveMgr = moveMgr; if (moveMgr.getConnectionType() == DatabaseClient.ConnectionType.DIRECT) { hostUnavailableExceptions.add(SocketException.class); hostUnavailableExceptions.add(SSLException.class); hostUnavailableExceptions.add(UnknownHostException.class); } }
Example #26
Source File: NamedPipeSocketFactory.java From Komondor with GNU General Public License v3.0 | 5 votes |
/** * @see com.mysql.jdbc.SocketFactory#connect(String, Properties) */ public Socket connect(String host, int portNumber /* ignored */, Properties props) throws SocketException, IOException { String namedPipePath = props.getProperty(NAMED_PIPE_PROP_NAME); if (namedPipePath == null) { namedPipePath = "\\\\.\\pipe\\MySQL"; } else if (namedPipePath.length() == 0) { throw new SocketException(Messages.getString("NamedPipeSocketFactory.2") + NAMED_PIPE_PROP_NAME + Messages.getString("NamedPipeSocketFactory.3")); } this.namedPipeSocket = new NamedPipeSocket(namedPipePath); return this.namedPipeSocket; }
Example #27
Source File: HiveService.java From kite with Apache License 2.0 | 5 votes |
@Override protected TSocket acceptImpl() throws TTransportException { TSocket ts = super.acceptImpl(); try { ts.getSocket().setKeepAlive(true); } catch (SocketException e) { throw new TTransportException(e); } return ts; }
Example #28
Source File: ClientConnection.java From gemfirexd-oss with Apache License 2.0 | 5 votes |
private void setTimeout(int milliseconds) throws SQLException { // input and output protocol are identical in our usage TTransport socket = this.clientService.getInputProtocol().getTransport(); if (socket instanceof SocketTimeout) { try { ((SocketTimeout)socket).setSoTimeout(milliseconds); } catch (SocketException se) { throw ThriftExceptionUtil.newSQLException(SQLState.SOCKET_EXCEPTION, se, se.getMessage()); } } }
Example #29
Source File: SnmpAdaptorServer.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
/** * Open informSocket if it's not already done. */ synchronized void openInformSocketIfNeeded() throws SocketException { if (informSession == null) { informSession = new SnmpSession(this) ; if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) { SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag, "openInformSocketIfNeeded", "to send inform requests and receive inform responses"); } } }
Example #30
Source File: ModbusTCPListener.java From openhab1-addons with Eclipse Public License 2.0 | 5 votes |
/** * Accepts incoming connections and handles then with * <tt>TCPConnectionHandler</tt> instances. */ @Override public void run() { try { /* * A server socket is opened with a connectivity queue of a size specified * in int floodProtection. Concurrent login handling under normal circumstances * should be allright, denial of service attacks via massive parallel * program logins can probably be prevented. */ m_ServerSocket = new ServerSocket(m_Port, m_FloodProtection, m_Address); logger.debug("Listenening to {} (Port {})", m_ServerSocket.toString(), m_Port); // Infinite loop, taking care of resources in case of a lot of parallel logins do { Socket incoming = m_ServerSocket.accept(); logger.debug("Making new connection {}", incoming.toString()); if (m_Listening) { // FIXME: Replace with object pool due to resource issues m_ThreadPool.execute(new TCPConnectionHandler(m_ConnectionFactory.create(incoming))); count(); } else { // just close the socket incoming.close(); } } while (m_Listening); } catch (SocketException iex) { if (!m_Listening) { return; } else { iex.printStackTrace(); } } catch (IOException e) { // FIXME: this is a major failure, how do we handle this } }