/** Starts a Client application. */
public static void main(String[] args) {
if (args.length != 3) {
System.out.println(USAGE);
System.exit(0);
}
String name = args[0];
InetAddress addr = null;
int port = 0;
Socket sock = null;
// check args[1] - the IP-adress
try {
addr = InetAddress.getByName(args[1]);
} catch (UnknownHostException e) {
System.out.println(USAGE);
System.out.println("ERROR: host " + args[1] + " unknown");
System.exit(0);
}
// parse args[2] - the port
try {
port = Integer.parseInt(args[2]);
} catch (NumberFormatException e) {
System.out.println(USAGE);
System.out.println("ERROR: port " + args[2] + " is not an integer");
// System.exit(0);
}
// try to open a Socket to the server
try {
sock = new Socket(addr, port);
} catch (IOException e) {
System.out.println("ERROR: could not create a socket on " + addr + " and port " + port);
}
// create Peer object and start the two-way communication
try {
Peer server = new Peer(name, sock);
(new Thread((Runnable) server)).start();
server.handleTerminalInput();
server.shutDown();
} catch (IOException e) {
e.printStackTrace();
}
}
/** Starts a Server-application. */
public static void main(String[] args) {
if (args.length != 2) {
System.out.println(USAGE);
System.exit(0);
}
String name = args[0];
int port = 0;
ServerSocket sock = null;
Socket clientSock = null;
try {
port = Integer.parseInt(args[1]);
} catch (NumberFormatException e) {
System.out.println(USAGE);
System.out.println("ERROR: port " + args[2] + " is not an integer");
System.exit(0);
}
try {
sock = new ServerSocket(port);
} catch (IOException e) {
System.out.println("Error: could not create a serverSocket on " + port);
}
try {
while (true) {
System.out.println("Waiting for new Client.");
clientSock = sock.accept();
System.out.println("Received new connection.");
System.out.println("socket" + clientSock.getInetAddress());
Peer server = new Peer(name, clientSock);
Thread clientHandler = new Thread(server);
clientHandler.start();
server.handleTerminalInput();
server.shutDown();
}
} catch (IOException e) {
System.out.println(e);
}
}
