Der Client nimmt offenbar eine Verbindung auf, dann kann ich in die Konsole aber nichts mehr eingeben - was kann ich da tun?
Java:
/*--- Handler ---*/
// all nessary imports
public class Handler implements Runnable {
private final Socket socket;
private long number;
public Handler(Socket socket, long number) { this.socket = socket; this.number = number;}
public void run() {
try ( Socket clientSocket = socket;
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
BufferedReader in = new BufferedReader( new InputStreamReader(clientSocket.getInputStream()));
) {
String inputLine;
while ((inputLine = in.readLine()) != null) {
if(inputLine.equals("Bye.")){
out.println("Bye.");
break;
}
out.println(number+": "+inputLine);
}
} catch (IOException e) {
System.out.println("Exception caught when trying to listen on port "
+ this.socket.getPort() + " or listening for a connection");
System.out.println(e.getMessage());
}
}
}
/*--- NetworkService ---*/
// all nessary imports
public class NetworkService implements Runnable {
private final ServerSocket serverSocket;
private final ExecutorService pool;
public NetworkService(int port, int poolSize)
throws IOException {
serverSocket = new ServerSocket(port);
pool = Executors.newFixedThreadPool(poolSize);
}
public static void main(String[] args) throws IOException {
if (args.length < 2) {
System.err.println("Usage: java NetworkServer <port number> <poolsize>");
System.exit(1);
}
int portNumber = Integer.parseInt(args[0]);
int poolsize = Integer.parseInt(args[1]);
new NetworkService(portNumber, poolsize).run();
}
public void run() { // run the service
try {
long number=1;
for (;;) {
pool.execute(new Handler(serverSocket.accept(), number++));
}
} catch (IOException ex) {
System.err.println(ex);
pool.shutdown();
}
}
}
/*----Client---*/
// all nessary imports
public class Client {
public static void main(String[] args) throws IOException {
if (args.length != 2) {
System.err.println(
"Usage: java Client <host name> <port number>");
System.exit(1);
}
String hostName = args[0];
int portNumber = Integer.parseInt(args[1]);
try (
Socket socket = new Socket(hostName, portNumber);
PrintWriter out = new PrintWriter(socket.getOutputStream(), true);
BufferedReader in = new BufferedReader(
new InputStreamReader(socket.getInputStream()));
) {
BufferedReader stdIn =
new BufferedReader(new InputStreamReader(System.in));
String fromServer;
String fromUser;
while ((fromServer = in.readLine()) != null) {
System.out.println("Server: " + fromServer);
if (fromServer.equals("Bye."))
break;
fromUser = stdIn.readLine();
if (fromUser != null) {
System.out.println("Client: " + fromUser);
out.println(fromUser);
}
}
} catch (UnknownHostException e) {
System.err.println("Don't know about host " + hostName);
System.exit(1);
} catch (IOException e) {
System.err.println("Couldn't get I/O for the connection to " +
hostName);
System.exit(1);
}
}
}