62 lines
2.0 KiB
Java
62 lines
2.0 KiB
Java
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DateServer
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import java.net.*;
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import java.io.*;
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import java.util.Date;
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public class DateServe {
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static final int LISTENING_PORT = 32007;
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public static void main(String[] args) {
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ServerSocket listener; // Listens for incoming connections.
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Socket connection; // For communication with the
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// connecting program.
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/* Accept and process connections forever, or until
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some error occurs. (Note that errors that occur
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while communicating with a connected program are
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caught and handled in the sendDate() routine, so
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they will not crash the server.)
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*/
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try {
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listener = new ServerSocket(LISTENING_PORT);
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TextIO.putln("Listening on port " + LISTENING_PORT);
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while (true) {
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connection = listener.accept();
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sendDate(connection);
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}
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}
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catch (Exception e) {
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TextIO.putln("Sorry, the server has shut down.");
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TextIO.putln("Error: " + e);
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return;
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}
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} // end main()
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static void sendDate(Socket client) {
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// The parameter, client, is a socket that is
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// already connected to another program. Get
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// an output stream for the connection, send the
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// current date, and close the connection.
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try {
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System.out.println("Connection from " +
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client.getInetAddress().toString() );
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Date now = new Date(); // The current data and time.
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PrintWriter outgoing; // Stream for sending data.
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outgoing = new PrintWriter( client.getOutputStream() );
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outgoing.println( now.toString() );
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outgoing.flush(); // Make sure the data is actually sent!
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client.close();
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}
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catch (Exception e){
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System.out.println("Error: " + e);
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}
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} // end sendDate()
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} //end class DateServe
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