host stey in loop, until Ctrl+C. |
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;
public class host {
public static void main(String srgs[]) {
int count = 0;
//hard code to use port 8080
try (ServerSocket serverSocket = new ServerSocket(8080)) {
System.out.println("I'm waiting here: "
+ serverSocket.getLocalPort());
System.out.println(
"This program will stay monitoring port 80.");
System.out.println(
"Until user press Ctrl+C to terminate.");
while (true) {
try (Socket socket = serverSocket.accept()) {
count++;
System.out.println("#" + count + " from "
+ socket.getInetAddress() + ":"
+ socket.getPort());
OutputStream outputStream = socket.getOutputStream();
try (PrintStream printStream =
new PrintStream(outputStream)) {
printStream.print(
"Hello from Raspberry Pi, you are #"
+ count);
}
} catch (IOException ex) {
System.out.println(ex.toString());
}
}
} catch (IOException ex) {
System.out.println(ex.toString());
}
}
}
Keep using the client.java in last exercise of "client and server to communicate using Socket".
Next exercise: - Client and Server example III, run socket operation in background thread.
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