/**
* ***************************************************************
*
* @param ip
* @param port
* @return
*/
public ChordMessageInterface rmiChord(String ip, int port) {
ChordMessageInterface chord = null;
try {
Registry registry = LocateRegistry.getRegistry(ip, port);
chord = (ChordMessageInterface) (registry.lookup("Chord"));
return chord;
} catch (RemoteException e) {
e.printStackTrace();
} catch (NotBoundException e) {
e.printStackTrace();
}
return null;
}
public static void main(String[] args) {
try {
String serverAddress = args[0];
int port = Integer.parseInt(args[1]);
String localAddress = args[2];
/** create a httpServer */
System.out.println("Starting HTTP server");
HttpServer httpServer = HttpServer.create(new InetSocketAddress(80), 0);
httpServer.createContext("/", new HttpFileHandler());
httpServer.setExecutor(null);
httpServer.start();
System.out.println("Creating RMI Registry");
Registry registry = LocateRegistry.createRegistry(1099);
Reference reference =
new javax.naming.Reference(
"client.ExportObject", "client.ExportObject", "http://" + localAddress + "/");
ReferenceWrapper referenceWrapper = new com.sun.jndi.rmi.registry.ReferenceWrapper(reference);
registry.bind("Object", referenceWrapper);
System.out.println("Connecting to server " + serverAddress + ":" + port);
Socket socket = new Socket(serverAddress, port);
System.out.println("Connected to server");
String jndiAddress = "rmi://" + localAddress + ":1099/Object";
org.springframework.transaction.jta.JtaTransactionManager object =
new org.springframework.transaction.jta.JtaTransactionManager();
object.setUserTransactionName(jndiAddress);
System.out.println("Sending object to server...");
ObjectOutputStream objectOutputStream = new ObjectOutputStream(socket.getOutputStream());
objectOutputStream.writeObject(object);
objectOutputStream.flush();
/*
while(true) {
Thread.sleep(1000);
}
*/
} catch (Exception e) {
e.printStackTrace();
}
}
public RmiServer() throws RemoteException {
try {
address = (InetAddress.getLocalHost()).toString();
} catch (Exception e) {
System.out.println("can't get inet address.");
}
int port1 = 3232;
System.out.println("this address=" + address + ",port=" + port1);
try {
registry1 = LocateRegistry.createRegistry(port1);
registry1.rebind("rmiServer1", this);
} catch (RemoteException e) {
System.out.println("remote exception" + e);
}
}
/**
* @param _port
* @param id
* @throws RemoteException
* @throws UnknownHostException
*/
public Chord(int _port, int id) throws RemoteException, UnknownHostException {
finger = new Finger[(1 << M)]; // 1 << M = 2^(M)
// TODO: set the fingers in the array to null
i = id;
port = _port;
// TODO: determine the current IP of the machine
predecessor = null;
InetAddress ip = InetAddress.getLocalHost();
successor = new Finger(ip.getHostAddress(), i, i);
Timer timer = new Timer();
timer.scheduleAtFixedRate(
new TimerTask() {
@Override
public void run() {
try {
stabilize();
} catch (RemoteException | UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
fixFingers();
checkPredecessor();
}
},
500,
500);
try {
// create the registry and bind the name and object.
System.out.println("Starting RMI at port=" + port);
registry = LocateRegistry.createRegistry(port);
registry.rebind("Chord", this);
} catch (RemoteException e) {
throw e;
}
}