private String detectAgentUrl(
HttpServer pServer, JolokiaServerConfig pConfig, String pContextPath) {
serverAddress = pServer.getAddress();
InetAddress realAddress;
int port;
if (serverAddress != null) {
realAddress = serverAddress.getAddress();
if (realAddress.isAnyLocalAddress()) {
try {
realAddress = NetworkUtil.getLocalAddress();
} catch (IOException e) {
try {
realAddress = InetAddress.getLocalHost();
} catch (UnknownHostException e1) {
// Ok, ok. We take the original one
realAddress = serverAddress.getAddress();
}
}
}
port = serverAddress.getPort();
} else {
realAddress = pConfig.getAddress();
port = pConfig.getPort();
}
return String.format(
"%s://%s:%d%s", pConfig.getProtocol(), realAddress.getHostAddress(), port, pContextPath);
}
// Check if the datagramsocket adaptor can send with a packet
// that has not been initialized with an address; the legacy
// datagram socket will send in this case
private static void test2() throws Exception {
DatagramChannel sndChannel = DatagramChannel.open();
sndChannel.socket().bind(null);
InetSocketAddress sender =
new InetSocketAddress(InetAddress.getLocalHost(), sndChannel.socket().getLocalPort());
DatagramChannel rcvChannel = DatagramChannel.open();
rcvChannel.socket().bind(null);
InetSocketAddress receiver =
new InetSocketAddress(InetAddress.getLocalHost(), rcvChannel.socket().getLocalPort());
rcvChannel.connect(sender);
sndChannel.connect(receiver);
byte b[] = "hello".getBytes("UTF-8");
DatagramPacket pkt = new DatagramPacket(b, b.length);
sndChannel.socket().send(pkt);
ByteBuffer bb = ByteBuffer.allocate(256);
rcvChannel.receive(bb);
bb.flip();
CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb);
if (!cb.toString().startsWith("h")) throw new RuntimeException("Test failed");
// Check that the pkt got set with the target address;
// This is legacy behavior
if (!pkt.getSocketAddress().equals(receiver)) throw new RuntimeException("Test failed");
rcvChannel.close();
sndChannel.close();
}
// Check if DatagramChannel.send while connected can include
// address without throwing
private static void test1() throws Exception {
DatagramChannel sndChannel = DatagramChannel.open();
sndChannel.socket().bind(null);
InetSocketAddress sender =
new InetSocketAddress(InetAddress.getLocalHost(), sndChannel.socket().getLocalPort());
DatagramChannel rcvChannel = DatagramChannel.open();
rcvChannel.socket().bind(null);
InetSocketAddress receiver =
new InetSocketAddress(InetAddress.getLocalHost(), rcvChannel.socket().getLocalPort());
rcvChannel.connect(sender);
sndChannel.connect(receiver);
ByteBuffer bb = ByteBuffer.allocate(256);
bb.put("hello".getBytes());
bb.flip();
int sent = sndChannel.send(bb, receiver);
bb.clear();
rcvChannel.receive(bb);
bb.flip();
CharBuffer cb = Charset.forName("US-ASCII").newDecoder().decode(bb);
if (!cb.toString().startsWith("h")) throw new RuntimeException("Test failed");
rcvChannel.close();
sndChannel.close();
}
/**
* Attempts to log a client in using the authentication server. Authentication server needs to run
* on the same host as the file server.
*
* @throws IOException Error reading from socket.
*/
private void login() throws IOException {
// set up required variables
DatagramSocket clientSocket = new DatagramSocket();
InetAddress authServerIP =
InetAddress
.getLocalHost(); // because authentication server runs on same host as file server
byte[] dataToSend;
byte[] receivedData = new byte[BUFFER_SIZE];
// get username and password
String userName = inFromClient.readLine().trim(); // get username
String password = inFromClient.readLine().trim(); // get password
dataToSend = new String(userName + " " + password).getBytes();
// send the username and password for processing by authentication server
DatagramPacket packetToSend =
new DatagramPacket(dataToSend, dataToSend.length, authServerIP, AUTHENTICATION_PORT);
clientSocket.send(packetToSend);
// receive the response from the authentication server
DatagramPacket receivedPacket = new DatagramPacket(receivedData, receivedData.length);
clientSocket.receive(receivedPacket);
String receivedString = new String(receivedPacket.getData()).trim();
receivedData = receivedString.getBytes();
if (receivedString.equals("yes")) {
outToClient.writeBytes(receivedString); // successful login
} else {
outToClient.writeBytes("no"); // unsuccessful login
}
}
/**
* Creates a new Server object.
*
* @param sqlDriver JDBC driver
* @param dbURL JDBC connection url
* @param dbLogin database login
* @param dbPasswd database password
*/
private Server(ServerConfig config) {
Server.instance = this;
this.connections = new ArrayList();
this.services = new ArrayList();
this.port = config.getPort();
this.socket = null;
this.dbLayer = null;
try {
dbLayer = DatabaseAbstractionLayer.createLayer(config);
Logging.getLogger().finer("dbLayer : " + dbLayer);
this.store = new Store(config);
} catch (Exception ex) {
Logging.getLogger().severe("#Err > Unable to connect to the database : " + ex.getMessage());
ex.printStackTrace();
System.exit(1);
}
try {
this.serverIp = InetAddress.getLocalHost().getHostAddress();
this.socket = new ServerSocket(this.port);
} catch (IOException e) {
Logging.getLogger().severe("#Err > Unable to listen on the port " + port + ".");
e.printStackTrace();
System.exit(1);
}
loadInternalServices();
}
/*========================================================================*/
public void init() {
/*========================================================================*/
final int port = 9901;
initComponents();
try {
/*-----------------------------------*/
/* Setup the socket's target address */
/*-----------------------------------*/
// InetAddress address = InetAddress.getByName("localhost");//local
InetAddress address = InetAddress.getLocalHost(); // local
System.out.println("Local host: " + address.toString());
Socket socket = new Socket(address, port);
/*--------------------------------*/
/* Setup the input/output streams */
/*--------------------------------*/
OutputStream os = socket.getOutputStream();
dos = new DataOutputStream(os);
InputStream is = socket.getInputStream();
dis = new DataInputStream(is);
System.out.println("Setup for all streams complete");
} catch (IOException ioe) {
System.out.println("Error connecting");
}
}
/**
* Workaround for the problem encountered in certains JDKs that a thread listening on a socket
* cannot be interrupted. Therefore we just send a dummy datagram packet so that the thread 'wakes
* up' and realizes it has to terminate. Should be removed when all JDKs support
* Thread.interrupt() on reads. Uses sock t send dummy packet, so this socket has to be still
* alive.
*
* @param dest The destination host. Will be local host if null
* @param port The destination port
*/
void sendDummyPacket(InetAddress dest, int port) {
DatagramPacket packet;
byte[] buf = {0};
if (dest == null) {
try {
dest = InetAddress.getLocalHost();
} catch (Exception e) {
}
}
if (Trace.debug) {
Trace.info("UDP.sendDummyPacket()", "sending packet to " + dest + ":" + port);
}
if (sock == null || dest == null) {
Trace.warn(
"UDP.sendDummyPacket()", "sock was null or dest was null, cannot send dummy packet");
return;
}
packet = new DatagramPacket(buf, buf.length, dest, port);
try {
sock.send(packet);
} catch (Throwable e) {
Trace.error(
"UDP.sendDummyPacket()",
"exception sending dummy packet to " + dest + ":" + port + ": " + e);
}
}
/**
* 获取本机ip
*
* @return
*/
public static String GetIpAdd() {
try {
return InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) { // TODO 自动生成 catch 块
return e.getMessage(); // e.printStackTrace();
}
}
public Process(String name, int pid, int n) {
this.name = name;
this.port = Utils.REGISTRAR_PORT + pid;
this.host = "UNKNOWN";
try {
this.host = (InetAddress.getLocalHost()).getHostName();
} catch (UnknownHostException e) {
String msg = String.format("Error: getHostName() failed at %s.", this.getInfo());
System.err.println(msg);
System.err.println(e.getMessage());
System.exit(1);
}
this.pid = pid;
this.n = n;
random = new Random();
/* Accepts connections from one of Registrar's worker threads */
new Thread(new Listener(this)).start();
/* Connect to registrar */
socket = connect();
init();
Utils.out(pid, "Connected.");
}
/** List file names */
public Enumeration nlst(String s) throws IOException {
InetAddress inetAddress = InetAddress.getLocalHost();
byte ab[] = inetAddress.getAddress();
serverSocket_ = new ServerSocket(0, 1);
StringBuffer sb = new StringBuffer(32);
sb.append("PORT ");
for (int i = 0; i < ab.length; i++) {
sb.append(String.valueOf(ab[i] & 255));
sb.append(",");
}
sb.append(String.valueOf(serverSocket_.getLocalPort() >>> 8 & 255));
sb.append(",");
sb.append(String.valueOf(serverSocket_.getLocalPort() & 255));
if (issueCommand(sb.toString()) != FTP_SUCCESS) {
serverSocket_.close();
throw new IOException(getResponseString());
} else if (issueCommand("NLST " + ((s == null) ? "" : s)) != FTP_SUCCESS) {
serverSocket_.close();
throw new IOException(getResponseString());
}
dataSocket_ = serverSocket_.accept();
serverSocket_.close();
serverSocket_ = null;
Vector v = readServerResponse_(dataSocket_.getInputStream());
dataSocket_.close();
dataSocket_ = null;
return (v == null) ? null : v.elements();
}
/** 启动初始化，他确定网络中有多少个其它UDPBase和相关的信息 */
public void initNet() throws UDPBaseException {
try {
mainThread = new SoleThread(this);
localIP = InetAddress.getLocalHost().getHostAddress();
int i = localIP.lastIndexOf('.');
BROADCAST_ADDR = localIP.substring(0, i) + ".255";
// System.out.println ("lip=="+localIP) ;
// sendSocket = new DatagramSocket () ;
// recvSocket = new MulticastSocket (RECV_PORT) ;
recvSocket = new DatagramSocket(RECV_PORT);
sendSocket = recvSocket;
// recvAckSocket = new MulticastSocket (RECV_ACK_PORT) ;
group = InetAddress.getByName(BROADCAST_ADDR);
// recvSocket.joinGroup (group) ;
// recvAckSocket.joinGroup (group) ;
procMsgThd = new ProcMsgThd();
procMsgThd.start();
//
mainThread.start();
} catch (Exception e) {
e.printStackTrace();
throw new UDPBaseException("UDPBase init() error=\n" + e.toString());
}
}
/** Creates the server. */
public static void main(String args[]) {
client = null;
ServerSocket server = null;
try {
System.out.print("\nCreating Server...\n");
// creates the server
server = new ServerSocket(8008);
System.out.print("Created\n");
// get the ip Address and the host name.
InetAddress localAddr = InetAddress.getLocalHost();
System.out.println("IP address: " + localAddr.getHostAddress());
System.out.println("Hostname: " + localAddr.getHostName());
} catch (IOException e) {
// sends a
System.out.println("IO" + e);
}
// constantly checks for a new aocket trying to attach itself to the trhead
while (true) {
try {
client = server.accept();
// create a new thread.
FinalMultiThread thr = new FinalMultiThread(client);
System.out.print(client.getInetAddress() + " : " + thr.getUserName() + "\n");
CliList.add(thr);
current++;
thr.start();
} catch (IOException e) {
System.out.println(e);
}
}
}
// 获得IP地址
public static String getIpAddr(HttpServletRequest request) {
String ipAddress = null;
ipAddress = request.getHeader("x-forwarded-for");
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("WL-Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getRemoteAddr();
if (ipAddress.equals("127.0.0.1")) {
// 根据网卡取本机配置的IP
InetAddress inet = null;
try {
inet = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
e.printStackTrace();
}
ipAddress = inet.getHostAddress();
}
}
// 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()
// = 15
if (ipAddress.indexOf(",") > 0) {
ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
}
}
return ipAddress;
}
public InetAddress localHost() {
try {
return InetAddress.getLocalHost();
} catch (UnknownHostException e) {
return null;
}
}
public static String ip() {
try {
return InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
e.printStackTrace();
return null;
}
}
public static void main(String[] args) {
try {
host = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
System.out.println("Host ID not found!");
System.exit(1);
}
userProgram();
}
// constructor
public GameClient_(JFrame oldWindow, MultiPlayerMenuWindow multiPlayerMenu, boolean localHost) {
m_MultiPlayerMenu = multiPlayerMenu;
m_OldWindow = oldWindow;
try {
m_IP = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
System.err.println(e);
}
m_Port = 8000;
}
/**
* Creates a SimpleResolver that will query the specified host
*
* @exception UnknownHostException Failure occurred while finding the host
*/
public SimpleResolver(String hostname) throws UnknownHostException {
if (hostname == null) {
hostname = ResolverConfig.getCurrentConfig().server();
if (hostname == null) hostname = defaultResolver;
}
InetAddress addr;
if (hostname.equals("0")) addr = InetAddress.getLocalHost();
else addr = InetAddress.getByName(hostname);
address = new InetSocketAddress(addr, DEFAULT_PORT);
}
/**
* @throws RemoteException
* @throws UnknownHostException
*/
public void stabilize() throws RemoteException, UnknownHostException {
ChordMessageInterface succ = rmiChord(successor.getIp(), successor.getPort());
Finger x = succ.getPredecessor();
if (ino(x.getId(), i, successor.getId())) {
successor = x;
}
InetAddress ip = InetAddress.getLocalHost();
succ = rmiChord(successor.getIp(), successor.getPort());
succ.notify(new Finger(ip.getHostAddress(), port, i));
}
/** Return the hostname of the local machine. */
public static String getLocalAddress() {
String address = null;
try {
InetAddress ia = InetAddress.getLocalHost();
address = ia.getHostAddress();
} catch (UnknownHostException e) {
return "127.0.0.1";
}
return address;
}
/** Return the hostname of the local machine. */
public static String getLocalHost() {
String hostname = null;
try {
InetAddress ia = InetAddress.getLocalHost();
hostname = ia.getHostName();
} catch (UnknownHostException e) {
return "localhost";
}
return hostname;
}
/** Attach to the specified address with optional attach and handshake timeout. */
public Connection attach(String address, long attachTimeout, long handshakeTimeout)
throws IOException {
if (address == null) {
throw new NullPointerException("address is null");
}
if (attachTimeout < 0 || handshakeTimeout < 0) {
throw new IllegalArgumentException("timeout is negative");
}
int splitIndex = address.indexOf(':');
String host;
String portStr;
if (splitIndex < 0) {
host = InetAddress.getLocalHost().getHostName();
portStr = address;
} else {
host = address.substring(0, splitIndex);
portStr = address.substring(splitIndex + 1);
}
int port;
try {
port = Integer.decode(portStr).intValue();
} catch (NumberFormatException e) {
throw new IllegalArgumentException("unable to parse port number in address");
}
// open TCP connection to VM
InetSocketAddress sa = new InetSocketAddress(host, port);
Socket s = new Socket();
try {
s.connect(sa, (int) attachTimeout);
} catch (SocketTimeoutException exc) {
try {
s.close();
} catch (IOException x) {
}
throw new TransportTimeoutException("timed out trying to establish connection");
}
// handshake with the target VM
try {
handshake(s, handshakeTimeout);
} catch (IOException exc) {
try {
s.close();
} catch (IOException x) {
}
throw exc;
}
return new SocketConnection(s);
}
/** Copy the new fsimage into the NameNode */
private void putFSImage(CheckpointSignature sig) throws IOException {
String fileid =
"putimage=1&port="
+ infoPort
+ "&machine="
+ InetAddress.getLocalHost().getHostAddress()
+ "&token="
+ sig.toString();
LOG.info("Posted URL " + fsName + fileid);
TransferFsImage.getFileClient(fsName, fileid, (File[]) null, false);
}
private Descrittore contatta_server(String nome) {
// variabili per l'RMI
RMIServerInt serv = null; // server
Descrittore descr_rit = null; // descrittore ritornato
if (nome == null) {
System.out.println("## contatta_server di Download ha ricevuto parametro null ! ");
return null;
}
System.out.println("@ provo a contattare il server RMI ");
// ################ RMI ################
if (System.getSecurityManager() == null) {
System.setSecurityManager(new SecurityManager());
}
Object o = null;
try {
// o = Naming.lookup("rmi://192.168.0.10:1099/srmi");
Registry registry = LocateRegistry.getRegistry(server.getHostAddress());
o = registry.lookup("srmi");
} catch (RemoteException e) {
System.out.println("## Problemi nell'RMI di Download - contatta_server di " + nome);
e.printStackTrace();
} catch (NotBoundException e) {
System.out.println("## Problemi nell'RMI di Download - contatta_server di " + nome);
e.printStackTrace();
}
if (o == null) {
System.out.println(
"## l'RMI di Download - contatta_server di " + nome + " ha ritornato l'oggetto o null");
return null;
}
serv = (RMIServerInt) o;
try {
descr_rit = serv.lookup(nome, InetAddress.getLocalHost());
} catch (RemoteException e) {
e.printStackTrace();
System.out.println("## Problemi con Lookup di " + nome);
return null;
} catch (UnknownHostException e) {
e.printStackTrace();
System.out.println("## Problemi con Lookup di " + nome);
return null;
}
return descr_rit;
}
// constructor
public GameClient_(JFrame oldWindow, MultiPlayerMenuWindow multiPlayerMenu) {
m_MultiPlayerMenu = multiPlayerMenu;
m_OldWindow = oldWindow;
try {
m_IP = InetAddress.getLocalHost().getHostAddress();
JOptionPane.showMessageDialog(oldWindow, "Server's IP: " + m_IP);
} catch (UnknownHostException e) {
System.err.println(e);
}
m_Port = 8000;
}
static {
DATE_FORMAT = new SimpleDateFormat("EEE MMM dd hh:mm:ss yyyy z", Locale.US);
// detect host name
String hostName = "";
try {
hostName = InetAddress.getLocalHost().getHostName();
} catch (Exception ex) {
ex.printStackTrace();
}
HOST_NAME = hostName;
}
/** 启动初始化，不接受任何信息包，也不发送任何信息包 */
public void initNull() throws UDPBaseException {
try {
localIP = InetAddress.getLocalHost().getHostAddress();
int i = localIP.lastIndexOf('.');
BROADCAST_ADDR = localIP.substring(0, i) + ".255";
bInitNull = true;
} catch (Exception e) {
e.printStackTrace();
throw new UDPBaseException("UDPBase init() error=\n" + e.toString());
}
}
protected String getHostName() {
String res = ConfigManager.getPlatformHostname();
if (res == null) {
try {
InetAddress inet = InetAddress.getLocalHost();
return inet.getHostName();
} catch (UnknownHostException e) {
log.warning("Can't get hostname", e);
return "unknown";
}
}
return res;
}
/**
* Returns the name of the localhost. If that cannot be found it will return <code>localhost
* </code>.
*
* @return my host
*/
public static String myHost() {
String str = null;
try {
InetAddress inetA = InetAddress.getLocalHost();
str = inetA.getHostName();
} catch (UnknownHostException exc) {
}
if (str == null) {
str = "localhost";
}
return str;
}
public static void setup() throws Exception {
client = DatagramChannel.open();
server = DatagramChannel.open();
client.socket().bind((SocketAddress) null);
server.socket().bind((SocketAddress) null);
client.configureBlocking(false);
server.configureBlocking(false);
InetAddress address = InetAddress.getLocalHost();
int port = client.socket().getLocalPort();
isa = new InetSocketAddress(address, port);
}
