/**
* Constructor. Creates a datagram send socket and connects it to the Ganglia hypertable extension
* listen port. Initializes mPrefix to "ht." + <code>component</code> + ".".
*
* @param component Hypertable component ("fsbroker", "hyperspace, "master", "rangeserver", or
* "thriftbroker")
* @param props Configuration properties
*/
public MetricsCollectorGanglia(String component, Properties props) {
mPrefix = "ht." + component + ".";
String str = props.getProperty("Hypertable.Metrics.Ganglia.Port", "15860");
mPort = Integer.parseInt(str);
str = props.getProperty("Hypertable.Metrics.Ganglia.Disabled");
if (str != null && str.equalsIgnoreCase("true")) mDisabled = true;
try {
mAddr = InetAddress.getByName("localhost");
} catch (UnknownHostException e) {
System.out.println("UnknownHostException : 'localhost'");
e.printStackTrace();
System.exit(-1);
}
try {
mSocket = new DatagramSocket();
} catch (SocketException e) {
e.printStackTrace();
System.exit(-1);
}
mSocket.connect(mAddr, mPort);
mConnected = true;
}
public static String FindIP() {
Enumeration<NetworkInterface> interfaces = null;
try {
interfaces = NetworkInterface.getNetworkInterfaces();
} catch (SocketException e) {
e.printStackTrace();
}
while (interfaces.hasMoreElements()) {
NetworkInterface ifc = interfaces.nextElement();
if (ifc.getName().equals("ppp" + myDigit)) {
try {
if (ifc.isUp()) {
List<InterfaceAddress> ia = ifc.getInterfaceAddresses();
System.out.println("IFC ip" + ia.get(0).getAddress().toString());
return ia.get(0).getAddress().toString();
}
} catch (SocketException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
return null;
}
void empty() {
try {
rtp_socket.getDatagramSocket().setSoTimeout(1);
for (; ; ) rtp_socket.receive(rtp_packet);
} catch (SocketException e2) {
if (!Sipdroid.release) e2.printStackTrace();
} catch (IOException e) {
}
try {
rtp_socket.getDatagramSocket().setSoTimeout(SO_TIMEOUT);
} catch (SocketException e2) {
if (!Sipdroid.release) e2.printStackTrace();
}
seq = 0;
}
/** Initializes the context. */
public void init(String contextName, String serverSpecList) {
String periodStr = getAttribute(PERIOD_PROPERTY);
if (periodStr != null) {
int period = 0;
try {
period = Integer.parseInt(periodStr);
} catch (NumberFormatException nfe) {
}
if (period <= 0) {
throw new AnalyticsException("Invalid period: " + periodStr);
}
setPeriod(period);
}
metricsServers_ = parse(serverSpecList, port_);
unitsTable_ = getAttributeTable(UNITS_PROPERTY);
slopeTable_ = getAttributeTable(SLOPE_PROPERTY);
tmaxTable_ = getAttributeTable(TMAX_PROPERTY);
dmaxTable_ = getAttributeTable(DMAX_PROPERTY);
try {
datagramSocket_ = new DatagramSocket();
} catch (SocketException se) {
se.printStackTrace();
}
}
private Core() {
boolean f = false;
try {
for (Enumeration en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
NetworkInterface intf = (NetworkInterface) en.nextElement();
for (Enumeration enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
InetAddress inetAddress = (InetAddress) enumIpAddr.nextElement();
if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
String ipAddress = inetAddress.getHostAddress().toString();
this.ip = inetAddress;
f = true;
break;
}
}
if (f) break;
}
} catch (SocketException ex) {
ex.printStackTrace();
System.exit(1);
}
this.teams = new HashMap<String, Team>();
this.judges = new HashMap<String, Judge>();
this.problems = new HashMap<String, ProblemInfo>();
this.scheduler = new Scheduler();
this.timer = new ContestTimer(300 * 60);
try {
readConfigure();
} catch (FileNotFoundException e) {
e.printStackTrace();
System.exit(1);
}
this.scoreBoardHttpServer = new ScoreBoardHttpServer(this.scoreBoardPort);
}
/**
* This method created a socket and a packet. It is performed only once in
*
* <p>the constructor of JoyActivity.
*
* <p>Indeed, two objects are required for UDP communication, a socket and a
*
* <p>packet as respective class DatagramSocket and DatagramPacket (classes
*
* <p>available in the Android libraries).
*
* @param ComandeUDP start command
* @param port The Port to use
* @param host The Address IP target
*/
public DatagramSocket CreationSocketPacket(String ComandeUDP, int port, String host) {
buffer = new byte[512];
try { // TRY CREATION SOCKET
udp_socket = new DatagramSocket();
} catch (SocketException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try { // INSERTION TRAME
buffer = ComandeUDP.concat("\r").getBytes("ASCII");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try { // INSERTION ADRESSE
adresse = InetAddress.getByName(host);
} catch (UnknownHostException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
udp_packet = new DatagramPacket(buffer, buffer.length, adresse, port);
return udp_socket;
}
@Override
protected Void doInBackground(Void... params) {
try {
Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
while (networkInterfaces.hasMoreElements()) {
NetworkInterface thisInterface = networkInterfaces.nextElement();
Enumeration<InetAddress> inetAddresses = thisInterface.getInetAddresses();
if (inetAddresses.hasMoreElements()) {
String niInfo = thisInterface.getDisplayName() + "\n";
while (inetAddresses.hasMoreElements()) {
InetAddress thisAddress = inetAddresses.nextElement();
niInfo += "---\n";
niInfo += "Address: " + thisAddress.getAddress() + "\n";
niInfo += "CanonicalHostName: " + thisAddress.getCanonicalHostName() + "\n";
niInfo += "HostAddress: " + thisAddress.getHostAddress() + "\n";
niInfo += "HostName: " + thisAddress.getHostName() + "\n";
}
publishProgress(niInfo);
}
}
} catch (SocketException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取本地Ip地址
*
* @param context
* @return
*/
public static String getLocalIpAddress(Context context) {
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
if (wifiInfo != null && wifiInfo.getIpAddress() != 0) {
return android.text.format.Formatter.formatIpAddress(wifiInfo.getIpAddress());
} else {
try {
Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
while (en.hasMoreElements()) {
NetworkInterface intf = en.nextElement();
Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses();
while (enumIpAddr.hasMoreElements()) {
InetAddress inetAddress = enumIpAddr.nextElement();
if (!inetAddress.isLoopbackAddress()
&& inetAddress.getHostAddress().indexOf(":") == -1) {
String ipAddress = inetAddress.getHostAddress();
if (!TextUtils.isEmpty(ipAddress) && !ipAddress.contains(":")) {
return ipAddress;
}
}
}
}
} catch (SocketException e) {
e.printStackTrace();
}
}
return null;
}
public void sendToClient(byte[] buffer, String ip) {
String[] strings = ip.split(":");
try {
DatagramPacket packet =
new DatagramPacket(
buffer,
buffer.length,
new InetSocketAddress(strings[0], Integer.parseInt(strings[1])));
if (PearCtrl.localUrl.contains(strings[0])) {
socket.send(packet);
} else {
Burrow burrow = new Burrow(socket, packet);
hashMap.put(ip, burrow);
}
} catch (SocketException e) {
e
.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
} catch (IOException e) {
e
.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
}
}
public static void main(String argv[]) throws Exception {
ServerSocket serverSocket = new ServerSocket(3333);
Runtime.getRuntime()
.addShutdownHook(
new Thread() {
public void run() {
try {
serverSocket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
});
try {
Socket connectionSocket = serverSocket.accept();
BufferedReader inFromClient =
new BufferedReader(new InputStreamReader(connectionSocket.getInputStream()));
while (true) {
System.out.println(inFromClient.readLine());
}
} catch (SocketException se) {
System.out.println("Socket error");
se.printStackTrace();
}
}
public static String getLocalIpAddress2() {
String networkIp = null;
try {
List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
for (NetworkInterface iface : interfaces) {
if (iface.getDisplayName().equals("eth0")) {
List<InetAddress> addresses = Collections.list(iface.getInetAddresses());
for (InetAddress address : addresses) {
if (address instanceof Inet4Address) {
networkIp = address.getHostAddress();
}
}
} else if (iface.getDisplayName().equals("wlan0")) {
List<InetAddress> addresses = Collections.list(iface.getInetAddresses());
for (InetAddress address : addresses) {
if (address instanceof Inet4Address) {
networkIp = address.getHostAddress();
}
}
}
}
} catch (SocketException e) {
e.printStackTrace();
}
return networkIp;
}
private void run() throws UnknownHostException {
while (true) {
try {
serverSocket = new DatagramSocket(new Random().nextInt(1000) + 8000);
break;
} catch (SocketException e) {
e.printStackTrace();
}
}
portListener = new PortListener();
portListener.start();
periodicConnectionCheck = new PeriodicConnectionCheck();
periodicConnectionCheck.start();
parent = new JFrame("Chat");
parent.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
parent.setMinimumSize(new Dimension(300, 400));
parent.setLocationRelativeTo(null);
this.gui = new GUI();
parent.getContentPane().add(this.gui, BorderLayout.CENTER);
parent.pack();
parent.setVisible(true);
showLoginDialog();
while (parent.isVisible()) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
private static LinkedList<InetAddress> getNetworkAddresses() {
final LinkedList<InetAddress> addrList = new LinkedList<InetAddress>();
try {
final Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
while (nis.hasMoreElements()) {
final NetworkInterface ni = nis.nextElement();
if (!ni.isLoopback()) {
final Enumeration<InetAddress> addresses = ni.getInetAddresses();
while (addresses.hasMoreElements()) {
final InetAddress addr = addresses.nextElement();
if (!addr.isLoopbackAddress() && addr instanceof Inet4Address) {
addrList.add(addr);
}
}
}
}
} catch (final SocketException e) {
e.printStackTrace();
}
return addrList;
}
public static void main(String[] args) {
InetAddress ip;
try {
ip = InetAddress.getLocalHost();
System.out.println("Current IP address : " + ip.getHostAddress());
NetworkInterface network = NetworkInterface.getByInetAddress(ip);
byte[] mac = network.getHardwareAddress();
System.out.print("Current MAC address : ");
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {
sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
}
System.out.println(sb.toString());
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (SocketException e) {
e.printStackTrace();
}
}
/**
* Sets the 'java.rmi.server.hostname' system property. <br>
* WARNING: Call it before creating rmi registry else it is of no use. </br>
*/
private void setRmiRegistryIpAddress() {
StringBuilder bf = new StringBuilder();
try {
NetworkInterface iface;
for (Enumeration ifaces = NetworkInterface.getNetworkInterfaces();
ifaces.hasMoreElements(); ) {
iface = (NetworkInterface) ifaces.nextElement();
InetAddress ia;
Enumeration ips = iface.getInetAddresses();
while (ips.hasMoreElements()) {
ia = (InetAddress) ips.nextElement();
// get all the ip aliases from all the network cards except for
// loopback addresses. loop back addresses are not included because, then rmi registry
// would
// export objects on 127.0.0.1 or localhost => hence server would be accessible to clients
// present only on localhost i.e the same machine as server!!!!
if (ia instanceof Inet4Address && !ia.isLoopbackAddress()) {
String ip = ia.getHostAddress();
bf.append(ip);
bf.append(',');
}
}
}
String hosts = bf.toString();
if (hosts.endsWith(",")) // hosts="a,b,c,"
hosts = hosts.substring(0, hosts.lastIndexOf(",")); // hosts="a,b,c"
// Note: if network card is disabled=>hosts is empty, rmi runtimes uses localhost/127.0.0.1.
System.setProperty("java.rmi.server.hostname", hosts);
} catch (SocketException e) {
e.printStackTrace();
}
}
/**
* Name: getIPAddress Description: Iterates through the device's IPAddresses and returns first
* non-local IPAddress
*
* @return String containing the first non-local IPAddress of the device.
*/
public InetAddress getIPAddress() {
try {
for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
en.hasMoreElements(); ) {
NetworkInterface networkInterface = en.nextElement();
for (Enumeration<InetAddress> enumIpAddr = networkInterface.getInetAddresses();
enumIpAddr.hasMoreElements(); ) {
InetAddress inetAddress = enumIpAddr.nextElement();
if (!inetAddress.isLoopbackAddress()
&& InetAddressUtils.isIPv4Address(inetAddress.getHostAddress())) {
return inetAddress;
}
}
}
return InetAddress.getByName("127.0.0.1");
} catch (SocketException ex) {
ex.printStackTrace();
} catch (UnknownHostException e) {
e.printStackTrace();
}
return null;
}
public static String getLocalAddress() {
try {
// 遍历网卡，查找一个非回路ip地址并返回
Enumeration<NetworkInterface> enumeration = NetworkInterface.getNetworkInterfaces();
InetAddress ipv6Address = null;
while (enumeration.hasMoreElements()) {
final NetworkInterface networkInterface = enumeration.nextElement();
final Enumeration<InetAddress> en = networkInterface.getInetAddresses();
while (en.hasMoreElements()) {
final InetAddress address = en.nextElement();
if (!address.isLoopbackAddress()) {
if (address instanceof Inet6Address) {
ipv6Address = address;
} else {
// 优先使用ipv4
return normalizeHostAddress(address);
}
}
}
}
// 没有ipv4，再使用ipv6
if (ipv6Address != null) {
return normalizeHostAddress(ipv6Address);
}
final InetAddress localHost = InetAddress.getLocalHost();
return normalizeHostAddress(localHost);
} catch (SocketException e) {
e.printStackTrace();
} catch (UnknownHostException e) {
e.printStackTrace();
}
return null;
}
public void init() {
try {
localAddress = InetAddress.getLocalHost();
if (localAddress.isLoopbackAddress()) {
System.out.println("get local ip error!");
return;
}
NetworkInterface networkInterface = NetworkInterface.getByInetAddress(localAddress);
List<InterfaceAddress> addresses = networkInterface.getInterfaceAddresses();
for (InterfaceAddress address : addresses) {
if (address.getAddress() instanceof Inet6Address) {
continue;
}
if (address.getBroadcast() != null) {
broadcastAddress = address.getBroadcast();
break;
} else {
System.out.println("get broadcast address error!");
}
}
System.out.println("local ip address is " + localAddress.getHostAddress());
System.out.println("broadcast address is " + broadcastAddress.getHostAddress());
socket = new DatagramSocket(2000);
socket.setBroadcast(true);
} catch (UnknownHostException ue) {
ue.printStackTrace();
} catch (SocketException se) {
se.printStackTrace();
}
}
static {
try {
mClient = new DatagramSocket();
} catch (SocketException e) {
e.printStackTrace();
}
}
// on linux system
public void init2() {
try {
NetworkInterface networkInterface = NetworkInterface.getByName("eth0");
Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses();
while (inetAddresses.hasMoreElements()) {
InetAddress address = inetAddresses.nextElement();
if (!address.isLinkLocalAddress()) { // just get IPv4 address
localAddress = address;
}
}
// get broadcast address
List<InterfaceAddress> addresses = networkInterface.getInterfaceAddresses();
for (InterfaceAddress address : addresses) {
if (address.getBroadcast() != null) {
broadcastAddress = address.getBroadcast();
break;
}
}
if (broadcastAddress == null) {
System.out.println("get broadcast address error!");
}
System.out.println("local ip address is " + localAddress.getHostAddress());
System.out.println("broadcast address is " + broadcastAddress.getHostAddress());
socket = new DatagramSocket();
socket.setBroadcast(true);
} catch (SocketException se) {
se.printStackTrace();
}
}
public void setSoTimeout(int timeout) {
try {
_socket.setSoTimeout(timeout);
} catch (SocketException e) {
e.printStackTrace();
}
}
public static void main(String[] argu) {
try {
new PureDNSListener().run();
} catch (SocketException e) {
e.printStackTrace();
}
}
private static String getNetworkInterface() {
String networkInterfaceName =
">>>> modify networkInterface in us.codecraft.webmagic.utils.ProxyUtils";
Enumeration<NetworkInterface> enumeration = null;
try {
enumeration = NetworkInterface.getNetworkInterfaces();
} catch (SocketException e1) {
e1.printStackTrace();
}
while (enumeration.hasMoreElements()) {
NetworkInterface networkInterface = enumeration.nextElement();
Enumeration<InetAddress> addr = networkInterface.getInetAddresses();
while (addr.hasMoreElements()) {
String s = addr.nextElement().getHostAddress();
Pattern IPV4_PATTERN =
Pattern.compile(
"^(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}$");
if (s != null && IPV4_PATTERN.matcher(s).matches()) {
networkInterfaceName += networkInterface.toString() + "IP:" + s + "\n\n";
}
}
}
return networkInterfaceName;
}
public static void main(String[] args) {
if (args.length == 0) {
System.err.println("Usage: ntp.NTPClient <hostname-or-address-list>");
System.exit(1);
}
NTPUDPClient client = new NTPUDPClient();
// We want to timeout if a response takes longer than 10 seconds
client.setDefaultTimeout(10000);
try {
client.open();
for (String arg : args) {
System.out.println();
try {
InetAddress hostAddr = InetAddress.getByName(arg);
System.out.println("> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress());
TimeInfo info = client.getTime(hostAddr);
processResponse(info);
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
} catch (SocketException e) {
e.printStackTrace();
}
client.close();
}
public void run() {
while (!isThreadRunning) {
byte[] ack_byte = new byte[2];
DatagramPacket packet_ack = new DatagramPacket(ack_byte, ack_byte.length);
try {
socketAck.setSoTimeout(5);
} catch (SocketException e) {
e.printStackTrace();
}
try {
socketAck.receive(packet_ack);
} catch (IOException e) {
e.printStackTrace();
}
byte[] ackData = packet_ack.getData();
int packet_ack_num = getAckPaket(ackData);
num_acked = Math.max(num_acked, packet_ack_num);
Thread.yield();
}
socketAck.close();
}
public DroneSocketClient(String serverAddress, int clientPort, int serverPort, int pingPort)
throws DroneSocketClientException {
this.serverAddress = serverAddress;
this.clientPort = clientPort;
this.pingPort = pingPort;
this.serverPort = serverPort;
try {
srvAddr = InetAddress.getByName(serverAddress);
} catch (UnknownHostException e) {
if (DEBUG) {
e.printStackTrace();
Log.d(TAG, "ERROR: UNKNOWN HOST!");
throw new DroneSocketClientException("");
}
}
try {
clientSocket = new DatagramSocket(clientPort);
clientSocket.setSoTimeout(packetTIMEOUT);
} catch (SocketException e) {
if (DEBUG) {
e.printStackTrace();
Log.d(TAG, "CLIENTSOCKET BIND ERROR!");
throw new DroneSocketClientException("");
}
}
inData = new byte[1024];
outData = new byte[1024];
outPacket = new DatagramPacket(outData, outData.length, srvAddr, serverPort);
inPacket = new DatagramPacket(inData, inData.length);
}
public void run() {
System.out.println("ExeUDPServer开始监听..." + UDP_PORT);
DatagramSocket ds = null;
try {
ds = new DatagramSocket(UDP_PORT);
} catch (BindException e) {
System.out.println("UDP端口使用中...请重关闭程序启服务器");
} catch (SocketException e) {
e.printStackTrace();
}
while (ds != null) {
DatagramPacket dp = new DatagramPacket(buf, buf.length);
try {
ds.receive(dp);
// 得到把该数据包发来的端口和Ip
int rport = dp.getPort();
InetAddress addr = dp.getAddress();
String recvStr = new String(dp.getData(), 0, dp.getLength());
System.out.println("Server receive：" + recvStr + " from " + addr + " " + rport);
// 给客户端回应
String sendStr = "echo of " + recvStr;
byte[] sendBuf;
sendBuf = sendStr.getBytes();
DatagramPacket sendPacket = new DatagramPacket(sendBuf, sendBuf.length, addr, rport);
ds.send(sendPacket);
} catch (IOException e) {
e.printStackTrace();
}
}
}
public void send(DatagramSocket ds, String IP, int port) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(baos);
try {
dos.writeInt(msgType); // 消息类型
dos.writeUTF(id); // 用户id
dos.writeUTF(name); // 用户名
dos.writeUTF(token); // 用户名
} catch (IOException e1) {
e1.printStackTrace();
}
byte[] buffer = baos.toByteArray();
try {
DatagramPacket dp =
new DatagramPacket(buffer, buffer.length, new InetSocketAddress(IP, port));
ds.send(dp);
} catch (SocketException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void run() {
Log.d(TAG, "Starting keep alive...");
DatagramSocket socket = null;
try {
socket = new DatagramSocket(PORT);
try {
InetAddress host = InetAddress.getByName(mAddress);
while (mTransmit) {
byte[] buffer = {0x66};
DatagramPacket out = new DatagramPacket(buffer, buffer.length, host, PORT);
socket.send(out);
sleep(mInterval);
}
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
} catch (SocketException e) {
e.printStackTrace();
} finally {
if (socket != null) {
socket.close();
}
}
}
public void startServer() {
try {
serverSocket = MyUtil.getSocket();
log.info(MyUtil.getMyIPAddress());
log.info(MyUtil.getPort());
byte[] receiveData = new byte[1024];
byte[] sendData = new byte[1024];
while (true) {
log.info("RPCServer.main() Running");
DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
serverSocket.receive(receivePacket);
InetAddress IPAddress = receivePacket.getAddress();
int port = receivePacket.getPort();
log.info(
"============================================Packet Received from :"
+ IPAddress.getHostAddress());
log.info("=============================================Packet Recieved from Port:" + port);
sendData = proccessRequest(receiveData);
log.info(
"=============================================Sending Response :"
+ new String(sendData));
DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, port);
serverSocket.send(sendPacket);
}
} catch (SocketException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}