| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.net.telnet; |
| |
| import java.net.ServerSocket; |
| import java.net.Socket; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.IOException; |
| |
| /*** |
| * Simple TCP server. |
| * Waits for connections on a TCP port in a separate thread. |
| * <p> |
| * @author Bruno D'Avanzo |
| ***/ |
| public class TelnetTestSimpleServer implements Runnable |
| { |
| ServerSocket serverSocket = null; |
| Socket clientSocket = null; |
| Thread listener = null; |
| |
| /*** |
| * test of client-driven subnegotiation. |
| * <p> |
| * @param port - server port on which to listen. |
| ***/ |
| public TelnetTestSimpleServer(int port) throws IOException |
| { |
| serverSocket = new ServerSocket(port); |
| |
| listener = new Thread (this); |
| |
| listener.start(); |
| } |
| |
| /*** |
| * Run for the thread. Waits for new connections |
| ***/ |
| public void run() |
| { |
| boolean bError = false; |
| while(!bError) |
| { |
| try |
| { |
| clientSocket = serverSocket.accept(); |
| synchronized (clientSocket) |
| { |
| try |
| { |
| clientSocket.wait(); |
| } |
| catch (Exception e) |
| { |
| System.err.println("Exception in wait, "+ e.getMessage()); |
| } |
| try |
| { |
| clientSocket.close(); |
| } |
| catch (Exception e) |
| { |
| System.err.println("Exception in close, "+ e.getMessage()); |
| } |
| } |
| } |
| catch (IOException e) |
| { |
| bError = true; |
| } |
| } |
| |
| try |
| { |
| serverSocket.close(); |
| } |
| catch (Exception e) |
| { |
| System.err.println("Exception in close, "+ e.getMessage()); |
| } |
| } |
| |
| |
| /*** |
| * Disconnects the client socket |
| ***/ |
| public void disconnect() |
| { |
| synchronized (clientSocket) |
| { |
| try |
| { |
| clientSocket.notify(); |
| } |
| catch (Exception e) |
| { |
| System.err.println("Exception in notify, "+ e.getMessage()); |
| } |
| } |
| } |
| |
| /*** |
| * Stop the listener thread |
| ***/ |
| public void stop() |
| { |
| listener.interrupt(); |
| try |
| { |
| serverSocket.close(); |
| } |
| catch (Exception e) |
| { |
| System.err.println("Exception in close, "+ e.getMessage()); |
| } |
| } |
| |
| /*** |
| * Gets the input stream for the client socket |
| ***/ |
| public InputStream getInputStream() throws IOException |
| { |
| if(clientSocket != null) |
| { |
| return(clientSocket.getInputStream()); |
| } |
| else |
| { |
| return(null); |
| } |
| } |
| |
| /*** |
| * Gets the output stream for the client socket |
| ***/ |
| public OutputStream getOutputStream() throws IOException |
| { |
| if(clientSocket != null) |
| { |
| return(clientSocket.getOutputStream()); |
| } |
| else |
| { |
| return(null); |
| } |
| } |
| } |