public Peer() {
try {
share = new PeerImpl();
// check usable port and register the port
for (int i = 0; i < PeerInfo.rmi.portList.length; i++) {
if (checkPort(i)) {
// register
PeerInfo.rmi.port = PeerInfo.rmi.portList[i];
PeerInfo.rmi.fileSharing = "rmi://localhost:" + PeerInfo.rmi.port + "/share";
LocateRegistry.createRegistry(PeerInfo.rmi.port);
break;
}
if (i == 2) {
System.out.println("All ports are occupied!");
System.exit(-1);
}
}
// bind
Naming.bind(PeerInfo.rmi.fileSharing, share);
System.out.println("File sharing service start!");
} catch (RemoteException e) {
e.printStackTrace();
System.out.println("Fail to create remote object!");
} catch (MalformedURLException e) {
e.printStackTrace();
System.out.println("URL error!");
} catch (AlreadyBoundException e) {
e.printStackTrace();
System.out.println("Service already bound!");
}
}
private static void startServerMode() {
System.out.println("start server mode - initializing rmi...");
try {
localServer.initRMI();
activeServerIndex = ClientConnection.getServerIndex(localServer.getServerName());
System.out.println("Server[" + activeServerIndex + "] is listening...");
} catch (RemoteException ex) {
System.out.println("RMI creation remote exception occured");
System.out.println(ex.getMessage());
} catch (AlreadyBoundException ex) {
System.out.println("Already Bound");
System.out.println(ex.getMessage());
}
}
public static void main(String[] args) {
try {
// 创建一个远程对象
IHello rhello = new HelloImpl();
// 生成远程对象注册表Registry的实例，并指定端口为8888（默认端口是1099）
LocateRegistry.createRegistry(6789);
// 把远程对象注册到RMI注册服务器上，并命名为RHello
// 绑定的URL标准格式为：rmi://host:port/name(协议名可以省略）
Naming.bind("rmi://localhost:6789/RHello", rhello);
System.out.println(">>INFO:远程IHello对象绑定成功！");
} catch (RemoteException e) {
System.out.println("创建远程对象发生异常！");
e.printStackTrace();
} catch (MalformedURLException e) {
System.out.println("发生重复绑定对象异常！");
e.printStackTrace();
} catch (AlreadyBoundException e) {
System.out.println("发生URL畸形异常！");
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
// Creation d'un "annuaire" des services
// remote qu'on va fournir
LocateRegistry.createRegistry(1099);
if (System.getSecurityManager() == null) {
System.setSecurityManager(new RMISecurityManager());
}
// J'instancie mon fournisseur de service meteo
MeteoServiceImpl meteoserv = new MeteoServiceImpl();
// Je construis l'url de mon service
String adresse = "rmi://" + InetAddress.getLocalHost().getHostAddress() + "/meteoRMI";
System.out.println("url = " + adresse);
Naming.bind(adresse, meteoserv);
} catch (RemoteException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (AlreadyBoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* Initialize this service exporter, registering the service as RMI object.
*
* <p>Creates an RMI registry on the specified port if none exists.
*
* @throws RemoteException if service registration failed
*/
public void prepare() throws RemoteException {
checkService();
if (this.serviceName == null) {
throw new IllegalArgumentException("Property 'serviceName' is required");
}
// Check socket factories for exported object.
if (this.clientSocketFactory instanceof RMIServerSocketFactory) {
this.serverSocketFactory = (RMIServerSocketFactory) this.clientSocketFactory;
}
if ((this.clientSocketFactory != null && this.serverSocketFactory == null)
|| (this.clientSocketFactory == null && this.serverSocketFactory != null)) {
throw new IllegalArgumentException(
"Both RMIClientSocketFactory and RMIServerSocketFactory or none required");
}
// Check socket factories for RMI registry.
if (this.registryClientSocketFactory instanceof RMIServerSocketFactory) {
this.registryServerSocketFactory = (RMIServerSocketFactory) this.registryClientSocketFactory;
}
if (this.registryClientSocketFactory == null && this.registryServerSocketFactory != null) {
throw new IllegalArgumentException(
"RMIServerSocketFactory without RMIClientSocketFactory for registry not supported");
}
// Determine RMI registry to use.
if (this.registry == null) {
this.registry =
getRegistry(
this.registryHost,
this.registryPort,
this.registryClientSocketFactory,
this.registryServerSocketFactory);
}
// Initialize and cache exported object.
this.exportedObject = getObjectToExport();
if (logger.isInfoEnabled()) {
logger.info("Binding service '" + this.serviceName + "' to RMI registry: " + this.registry);
}
// Export RMI object.
if (this.clientSocketFactory != null) {
UnicastRemoteObject.exportObject(
this.exportedObject,
this.servicePort,
this.clientSocketFactory,
this.serverSocketFactory);
} else {
UnicastRemoteObject.exportObject(this.exportedObject, this.servicePort);
}
// Bind RMI object to registry.
try {
if (this.replaceExistingBinding) {
this.registry.rebind(this.serviceName, this.exportedObject);
} else {
this.registry.bind(this.serviceName, this.exportedObject);
}
} catch (AlreadyBoundException ex) {
// Already an RMI object bound for the specified service name...
unexportObjectSilently();
throw new IllegalStateException(
"Already an RMI object bound for name '" + this.serviceName + "': " + ex.toString());
} catch (RemoteException ex) {
// Registry binding failed: let's unexport the RMI object as well.
unexportObjectSilently();
throw ex;
}
}