/*
* SocketServer.java
* 07/30/2007
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Date;
/**
* class works as a socket server, listen incoming message, and reply with
* server time
*
* @author
*
*/
public class SocketServer {
private static int PORT = 9033;
private static final String CRLF = "/r/n";
// private static final String SEND = ">>";
/**
* @param args
*/
public static void main(String[] args) {
try {
entry();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* main entry method, single thread, handling the socket with incoming
* message
*
* @throws IOException
*/
private static void entry() throws IOException {
ServerSocket s = new ServerSocket(PORT);
displayMsg("Listening " + PORT);
while (true) {
Socket incoming = s.accept();
handleSocket(incoming);
incoming.close();
}
}
/**
* have something to do with the incoming socket
*
* @param incoming
* @throws IOException
*/
public static void handleSocket(Socket incoming) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(
incoming.getInputStream()));
InetAddress ip = incoming.getInetAddress();
String str = reader.readLine().trim();
displayMsg("From" + ip + ":" + str);
String obuf = new Date().toString();
PrintStream sout = new PrintStream(incoming.getOutputStream());
// write buf to client
sout.println(obuf + CRLF);
displayMsg("Sending " + obuf);
}
private static void displayMsg(String s) {
System.out.println(s);
}
}
//Socket Message Sender in JavaSE, http://blog.csdn.net/iqueen/archive/2007/07/30/1716320.aspx